This file contains 3 serial number specific manuals. REF4-ADA, REF5 and REF5-BB Series Undercounter Refrigerator Installation, Operation and Service Manual Serial numbers D707 and above REF4-ADA, REF5 REF5-BB U L U L C U L U L C Following installation, please forward this manual to the appropriate operations person. 80 Church Lane Easton, PA 8040, USA Toll free (877) 6-5086 + (60) 5-730 www.follettice.com Order parts online: www.follettice.com 00978890R0
Contents Welcome to Follett.............................................................................. 3 Before you Begin............................................................................ 3 Specifications................................................................................. 3 Series Specifications......................................................................... 3 Refrigeration Specifications.................................................................... 3 Installation Specifications...................................................................... 4 Installation.................................................................................... 4 Installing Legs Required..................................................................... 4 Installing Shelves Required for REF4-ADA, REF5 only*............................................ 4 Changing Temperature Controller Settings Optional................................................ 4 Reversing the Door Swing Optional............................................................ 5 Install Glycerine Solution in Product Simulation Bottle - REF5-BB only.................................. 5 Controller Operation............................................................................ 6 Controller Security........................................................................... 7 Changing Temperature Display................................................................. 7 Sleep Function............................................................................. 7 Alarming Functions............................................................................. 8 To Change the Alarm Delay.................................................................... 8 Operation..................................................................................... 9 Temperature Control.......................................................................... 9 Defrosting.................................................................................. 9 Cleaning...................................................................................... 9 Annual Cleaning............................................................................. 9 Service...................................................................................... 0 Latch Adjustment........................................................................... 0 Door Gasket Replacement.................................................................... 0 Slide-out Compressor Tray.................................................................... 0 Removing Drawers (REF5-BB only)............................................................. 0 Removing Slides (REF5-BB only).............................................................. 0 Controller Replacement...................................................................... Wiring Diagram............................................................................. Refrigeration System........................................................................ Checking Refrigeration System Pressures........................................................ Troubleshooting Guide......................................................................... 4 Accessory Installation......................................................................... 5 Temperature Surveillance Module Accessory..................................................... 5 Temperature Alarm Accessory................................................................. 5 Pedestal Base.............................................................................. 5 Stacking Kit................................................................................ 5 Replacement Parts for REF4-ADA, REF5.......................................................... 6 Hardware................................................................................. 7 Electrical Components....................................................................... 8 Temperature Alarm Accessory................................................................. 8 Door Brackets for Automated Medication Dispensing Systems Compatibility............................. 8 Replacement Parts for REF5-BB................................................................. 9 Evaporator................................................................................ 9 Condensing Unit............................................................................ 0 Hardware................................................................................. Hardware and Electrical Components........................................................... REF4-ADA, REF5, REF5-BB Undercounter Refrigerator
Welcome to Follett Follett equipment enjoys a well-deserved reputation for excellent performance, long-term reliability and outstanding after-the-sale support. To ensure that this product delivers that same degree of service, we ask that you take a moment to review this manual before beginning the installation. Should you have any questions or require technical help at any point, please call our technical service group at (877) 6-5086 or (60) 5-730. Before you Begin After uncrating and removing all packing material, inspect the equipment for concealed shipping damage. If damage is found, notify the shipper immediately and contact Follett Corporation so that we can help in the fi ling of a claim, if necessary. Check your paperwork to determine which item number you have. Follett item numbers are designed to provide information about the type of refrigerator you are receiving. Following is an explanation of the different item numbers. REF5 Model Number Item Number Keypad REF4-ADA REF5-BB Stackable/Use with Pedestal REF5-00000 REF5-KP0000 X REF5-00SP00 X REF5-KPSP00 X X REF4-000000 REF4-KP0000 X REF4-00SP00 X REF4-KPSP00 X X With Chart Recorder REF5-BB-00SPCR X X X REF5-BB-KPSPCR X X X Specifications Series Specifications REF4-ADA 3.5" (79.4 cm) height Fits below 34" (86.4 cm) high ADA-compatible 4.0 cu ft capacity counter REF5 34.00" height (86.4 cm) height Fits below standard 36" (9.4 cm) high counter 4.8 cu ft capacity REF5-BB 36.00" (9.4 cm) height Fits below standard 36" (9.4 cm) high counter drawers with total storage of 50 bags (450 ml/bag); max. drawer load of 35 lb (6 kg) each Electrical Specifications 5 V, 60 Hz, phase Full load: 8A Minimum circuit ampacity: 5A Maximum size of branch circuit overcurrent device: 5A Refrigeration Specifications Maximum Design Pressures (psi) Model Number Refrigerant Charge Size (oz) High Side Low Side REF4-ADA, REF5 R404A 7.9 375 74 REF5-BB R404A 0 4 75 3 REF4-ADA, REF5, REF5-BB Undercounter Refrigerator
Installation Specifications Ambient temperature must not exceed 00 F (38 C). The front louvered panel must be kept free of any cabinet trim or obstructions to ensure proper ventilation of the refrigeration system. CAUTION! Equipment must be wired according to local and national electrical codes. Always disconnect power before servicing refrigerator. Installation Installing Legs Required Fig.. Remove legs from plastic bag packed inside refrigerator.. Tip refrigerator back and screw legs in all the way to stop (they will extend /8" below base of REF). 3. Adjust legs as needed to level REF in both directions. To access legs, remove the lower front panel. Turn legs clockwise to extend legs. Installing Shelves Required for REF4-ADA, REF5 only* Fig.. Remove shelves and shelf brackets packed inside refrigerator. (If ordered, fi nd cut-out shelf accessory in separate box.). Install shelf brackets in pilasters (insert top tab, squeeze and push in lower tab). 3. If ordered, position cut-out shelf accessory below evaporator with cut-out around drain. * REF5-BB equipped with drawers. 3 Changing Temperature Controller Settings Optional Follett s temperature controller is pre-programmed with a 38 F (3.3 C for REF5-BB) set point and degrees F display*. The 38 F set point delivers a temperature range of 38 4 F (3.3 5.5 C for REF5-BB) that may not meet the needs of your specifi c application. Follett s controller set point can be changed to deliver the required range in either F or C. Refer to page 6 for instructions on changing set point and/or temperature display. Fig. 3 * REF5-BB is factory set in degrees C and displays in degrees C. 4 REF4-ADA, REF5, REF5-BB Undercounter Refrigerator
Reversing the Door Swing Optional Fig. 4 CAUTION! When reinstalling latch and hinge screws, 4 blue Loctite* MUST be applied to screws. Torque screws to 5 in-lbs. Remove screws and latch from refrigerator cabinet (Fig. 4.). * Loctite is a registered trademark of Henkel Corporation in the United States and other countries.. Use fl at screwdriver to carefully remove (do not scratch) hinge covers (Fig. 5.). 3. Support door and remove screws attaching hinge to refrigerator cabinet (Fig. 5.). 4. Cover hinge screw holes with screw hole plugs removed from opposite side. 5. Reverse door. Apply 4 blue Loctite to hinge screws and reinstall torqued to 5 in-lbs. 6. Reinstall latch on opposite side. Fig. 5 7. Remove screws and handle from door (Fig. 6.). 8. Rotate handle (Fig. 6.). 9. Apply 4 blue Loctite to latch screws and reinstall torqued to 5 in-lbs. Note: Refer to Keypad Lock operation and service manual (0063345R00) for reversing a door equipped with a keypad lock. Fig. 6 Install Glycerine Solution in Product Simulation Bottle - REF5-BB only. Remove the bottle from the bracket located in the upper left corner of the refrigerator.. Remove the top and fi ll the bottle with a 50/50 solution of glycerine and water. 3. Replace the top (and probe). 4. Reinsert bottle into the bracket. Note: Refer to Temperature Alarm Accessory for REF and FZR Series installation instructions (0005) for more information. 5 REF4-ADA, REF5, REF5-BB Undercounter Refrigerator
Controller Operation In normal operation, the controller displays cabinet temperatures in degrees F or user-selected degrees C*. F temperatures are displayed to the nearest degree, C temperatures are displayed to one decimal point. * REF5-BB default is degrees C. The controller is pre-programmed with a 38 F (3.3 C) set point, which provides a compressor cut-in at 4 F (5.5 C) and cut-out at 38 F (3.3 C). A snowfl ake LED displays when the compressor is running. If these set points do not meet your specifi c application needs, instructions for changing the set point are found below. Note: Follett presets its refrigeration system to hold product temperature at approximately 39 F (3.8 C). If you are storing prepacked food in this unit, NSF requires that the set point be changed to 36 F (. C) with a 3 F (.7 C) differential (HY) to maintain food below 40 F (4.4 C). Refer to the chart below for the set point for your application s required temperature range: Set Point F (C) Cut-In/Cut-Out F Cut-In/Cut-Out C 34 (.) 38/34 3.3/. 3 38 (0 3.3) 35 (.7) 39/35 3.9/.7 33 39 (0.6 3.9) 36 (.) 40/36 4.4/. 34 40 (. 4.4) 37 (.8) 4/37 5/.8 35 4 (.7 5) 38 (3.3) 4/38 5.6/3.3 36 4 (. 5.6) 39 (3.9) 43/39 6./3.9 37 43 (.8 6.) 40 (4.4) 44/40 6.7/4.4 38 44 (3.3 6.7) 4 (5) 45/4 7./5 39 45 (3.9 7.) Normal Display Range Temperature F (C) All set points have a 4 F (. C) differential (HY setting on the controller). The 4 F (. C) differential means that with a 38 F (3.3 C) set point, for example, the compressor will turn off at 38 F (3.3 C) and turn on when it reaches 4 F (5.5 C). Because refrigerant remains in the evaporator, there can be an additional.5 F (.8.0 C) of downward drift in temperature after the compressor turns off. The temperature may momentarily display as low as 36 F (36.9 F and below rounds down to 36 F) before beginning to rise again. In degrees C, the temperature may momentarily display as low as.3 C before beginning to rise. To display temperature cut-out Step Input Display Press and release SET Current cut-out temperature will display for approximately 5 seconds. Display will return to current refrigerator temperature. To change temperature cut-out Step Input Display Press and hold SET for 3 seconds Current cut-out temperature displayed and F or C will fl ash. Press UP or DOWN arrows to desired cut-out temperature per above table New cut-out temperature displayed. 3 Press and release SET New cut-out temperature blinks three times, then current refrigerator temperature will display. 6 REF4-ADA, REF5, REF5-BB Undercounter Refrigerator
Controller Security The controller panel can be locked to prevent inadvertent or unintentional programming changes. In locked mode, the controller will display cabinet temperature and cut-out set point only. To lock the controller. Press the UP and DOWN ARROW buttons together for 3 seconds, until PoF displays (will fl ash three times).. Programmer is now locked. To unlock the controller. Press UP and DOWN ARROW buttons together for 3 seconds, until Pon displays (will fl ash 3 times).. Programmer is now unlocked Changing Temperature Display NOTICE! It is important that you review the temperature cut-out settings after you change the temperature display. The controller contains two separate temperature channels; F and C. Changes made to the factory default settings while displaying temperatures in F will not automatically transfer when you change the temperature display to C. To change the temperature display, follow these steps:. Move the power switch to OFF and unplug the refrigerator.. Remove the front lower panel cover (Fig. 7) to access the controller. Fig. 7 3. Locate jumper wires #9 and # (Fig. 8). To display the temperature in F: Disconnect jumper wires. To display the temperature in C: Connect jumper wires. 4. Reinstall the front lower panel cover. 5. Plug in the refrigerator and return the power switch to ON. 6. Verify settings. Sleep Function You may not want the Follett temperature display when using a thirdparty temperature monitoring system with its own temperature display. You can put the Follett controller to sleep to avoid confusion. The compressor icon remains illuminated when the compressor is running (Fig. 9).. Press BOTTOM RIGHT button to put display to sleep.. Press BOTTOM RIGHT button to return to display mode. Fig. 8 F/C Jumper Wire 3 4 5 6 7 8 Fig. 9 Comp Supply Line Probe 90! Controller programming key (accessory) 7 REF4-ADA, REF5, REF5-BB Undercounter Refrigerator
Alarming Functions Follett s controller provides local high and low air temperature alarming. If air temperature goes above or below the set temperature range, an audible alarm sounds and the display fl ashes. Alarming automatically stops when the temperature returns to normal values. Most refrigerated medications should be stored between 36 F and 46 F ( C and 8 C). The controller is factoryset to maintain product temperature at 39 F (4 C). If you want to change temperature to display in degrees C or degrees F, follow the instructions in Changing Temperature Display - Optional on page 7 and make that change before setting your alarm values. Note: The alarm function has no battery backup. If your refrigerator is not on a "red circuit" with generator backup, you may want to consider Follett s alarm module with battery backup (Item# 0085) for maximum product security. Controller is factory-set with a high-alarm default setting of 00 F (38 C) and a low-alarm default of -0 F (-30 C) with a 5 min delay on alarm. The REF5-BB includes a temperature surveillance module. Because the module provides high and low product temperature alarms and product temperature display, Follett recommends that you disable the controller alarming and put the controller display to 'sleep' (see Sleep Function on page 7). Refer to the Temperature Surveillance Module Accessory instruction (0068609) shipped with the product for set-up and operation instructions. To Set Low-Temperature Alarm Value. Press SET and DOWN ARROW and hold for 3 seconds, until HY appears.. Press DOWN ARROW, until ALL appears. 3. Press SET to display current setting. 4. Press UP or DOWN ARROW to change to desired temperature. 5. Press SET to accept new value. Fig. 0 To Set High-Temperature Alarm Value. Press SET and DOWN ARROW and hold for 3 seconds, until HY appears.. Press DOWN ARROW, until ALU appears. 3. Press SET to display current setting. 4. Press UP or DOWN ARROW to change to desired temperature. 5. Press SET to accept new value. To Mute the Alarm. Press any key to mute the alarm.. The alarm will not sound until another alarm occurs. To Change the Alarm Delay The alarming feature is factory-set with a 5-min delay to avoid nuisance alarming. Follow these steps to program the delay interval from 0 to 55 min.. Press SET and DOWN ARROW and hold for 3 seconds, until HY appears.. Press DOWN ARROW, until ALd appears 3. Press SET to display current delay setting. 4. Press UP or DOWN ARROW to change to desired delay interval. 5. Press SET to accept new value. 8 REF4-ADA, REF5, REF5-BB Undercounter Refrigerator
Operation The temperature control board and probe indicate when the refrigeration system is required to turn on and off. The refrigeration system removes heat from the cabinet interior and rejects it to the surrounding room air. When the cabinet interior temperature reaches 4 F (. C) above the controller set point, the probe signals the controller to turn the refrigeration system on. The normally open controller contacts close and energize the evaporator and control relay which energizes the condensing unit. The compressor uses a current-style starting relay and a starting capacitor to start the compressor motor. When the cabinet interior temperature falls to the set point, the probe signals the controller to turn the refrigeration system off. The controller contacts reopen, which de-energizes the evaporator fan motor and control relay which de-energizes the condensing unit (compressor and condenser fan motor). REF5-BB only: The evaporator fan runs continuously. Any accumulated frost on the evaporator coils melts during the off cycle. The condensate drains to a plastic drain pan mounted above the condensing unit on REF4-ADA, REF5 units and next to the condensing unit on REF5-BB units. The heat from the condensing unit evaporates any condensate in the drain pan. Temperature Control The temperature control system is preset by the factory to maintain a cabinet temperature of 38 4 F (3.3 5.5 C). If desired, the cut-out temperature can be raised as high as 55 F (3 C) by following the instructions in Controller Operation on page 6 for changing the temperature set point. The 4 F cut-out differential will be maintained regardless of the controller set point. Defrosting REF Series undercounter refrigerators do not require manual defrosting. The unit cooler defrosts automatically when the condensing unit is in the OFF cycle. Cleaning Interior: Using a sponge or soft cloth, clean unit with a non-abrasive, non-chlorinated, all-purpose detergent. Exterior: Wipe exterior with a soft cloth in the direction of grain as needed. Stainless steel polish may be used to enhance the fi nish of the unit. Annual Cleaning Removal of dust and other particulates from air intake areas and the condenser is important for proper operation. Environments with large amounts of dust may require more frequent cleaning. Use only non-chlorine-based cleaners. Cleaners containing chlorine can cause staining and pitting of the stainless steel.. Disconnect power to unit by turning switch on the lower front panel to the OFF position, switching circuit breaker to OFF position, and removing power cord from receptacle.. Remove lower front and rear panels (Fig..). Note: Front louvered panel may be removed for more frequent cleaning of the condenser as needed. 3. Remove drain pan (Fig..). (REF4-ADA, REF5 drain pan location shown.) 4. Clean drain pan with a non-abrasive, non-chlorinated allpurpose detergent. 5. Reinstall drain pan. 6. Use a vacuum cleaner with brush attachment to clean condenser through lower front panel and compressor motor and related parts through lower rear panel. 7. Reinstall lower rear and lower front panels. Fig. 9 REF4-ADA, REF5, REF5-BB Undercounter Refrigerator
MODEL REFRIGERANT Product Module No. Service No. 0864 PART NO VOLTS HZ CHARGE LOW SIDE AMPS U U AMPS L R C R NS F MADE IN SINGLE PHASE OZ PSIG Service Latch Adjustment Fig. To adjust for proper latch engagement. Loosen striker plate mounting screws (Fig..).. Move striker plate up or down as required and tighten screws. 3. Test operation of latch. To adjust for proper gasket seal. Loosen striker depth adjustment screw (Fig..).. Adjust stop in or out and tighten screws. 3. Test operation of latch. Door Gasket Replacement. Remove existing gasket from mounting track.. Verify mounting track is free of any remaining gasket material. 3. Align new gasket with mounting track and press firmly in place. 4. Open and close door, checking for proper gasket seal without pinching against freezer. 5. Adjust latch and or striker as necessary for proper door closure. Slide-out Compressor Tray Follett s slide-out compressor tray allows technicians to partially slide the condensing unit from the freezer back without cutting refrigerant lines.. Remove rear panel (Fig. 3.).. Remove two screws and spacers securing condensate pan, and set pan aside (Fig. 3.). (REF4-ADA, REF5 drain pan location shown.) 3. Remove two bolts securing condensing unit to freezer base (Fig. 3.3). 4. Carefully slide out condensing unit (Fig. 3.4). Note: Do not put strain on the refrigerant lines. Fig. 3 CORPORATION Easton Pennsylvania SERIAL NO FULL LOAD AMPS MOTOR COMPRESSOR THERMALLY PROTECTED DESIGN PRESSURE HIGH SIDE MIN. BRANCH CIRCUIT AMPACITY MAX. BRANCH CIRCUIT FUSE SIZE L THE USA 3 4 Removing Drawers (REF5-BB only). Pull drawer forward to stop.. Lift drawer front to free front rollers from sides. 3. Still lifted, pull drawer forward to free back rollers from sides. Removing Slides (REF5-BB only). Push slides all the way back.. Swing bottom of slide away from refrigerator wall and lift slide off of rollers. 0 REF4-ADA, REF5, REF5-BB Undercounter Refrigerator
Controller Replacement. Shut down unit by moving rocker switch on the lower front panel to the OFF position and removing power cord from receptacle.. Remove 6 screws from front panel and slide panel forward to access back of controller. 3. Disconnect front panel and wiring harness at the 4-, and 5-pin connectors. 4. Push in on center of side brackets (on controller) to release and slide brackets back and off controller. 5. Push controller and wires out through front of front panel. 6. Using the wiring diagram attached to front panel as a guide, remove wires one at a time from back of existing controller and connect to corresponding terminals on replacement controller. 7. Insert replacement controller back through front of panel. 8. Slide brackets onto sides of controller and push against back of front panel. 9. Reconnect 4-, and 5-pin connectors of wiring harness. 0. Keeping wiring clear of condenser, replace front panel.. Restore power and test operation. Reprogram replacement controller if necessary. Wiring Diagram REF4-ADA, REF5 L 0 VAC L WHITE BLACK TEMPERATURE CONTROLLER WHITE WHITE ORANGE BLACK 4 3 8 5 7 4 CONTROL RELAY WHITE BLACK EVAP. FAN CONTROL RELAY BLACK BLUE BLACK CONDENSING UNIT START CAP. START RELAY COMP OVER LOAD S S C R M COND. FAN REF5-BB L 0 VAC L WHITE BLACK TEMPERATURE CONTROLLER WHITE WHITE ORANGE BLACK 4 3 8 5 7 4 CONTROL RELAY WHITE BLACK EVAP. FAN CONDENSING UNIT START CAP. START RELAY COMP OVER LOAD CONTROL RELAY BLACK BLUE BLACK S S C R M COND. FAN REF4-ADA, REF5, REF5-BB Undercounter Refrigerator
Refrigeration System The REF Series refrigeration system is designed to give many years of trouble-free service. Except for routine cleaning of the air-cooled condenser and related parts, the refrigeration system requires no service or maintenance. The system uses a capillary tube* and is critically charged. Access fi ttings are provided for ease of service. However, the connection of refrigeration service hoses to the fi ttings will almost invariably result in a signifi cant change in the system charge. This change can adversely affect the performance of your refrigerator. Therefore, Follett recommends that if hoses are ever connected to the refrigeration system for service, the refrigerant should be recovered, the system evacuated, and recharged by weighing in the correct refrigerant charge. Note: Do not charge the system by pressures. * REF5-BB uses a thermostatic expansion valve. Checking Refrigeration System Pressures. Remove the rear access panel (Fig. 4).. Turn the power switch to the on position. 3. Following the instructions in Controller Operation on page 6, verify that the temperature controller is set to the original factory cut-in setting of 4 F (5.5 C). 4. Allow the refrigerator to operate and stabilize at least 30 minutes, verifying the cut-out temperature is being reached. 5. Connect refrigerant hoses to access fi ttings and measure air temperature at condenser intake grille. 6. Verify correct pressures with the temperature chart below. 7. Troubleshoot refrigeration system as needed. REF4-ADA, REF5 Condenser inlet air temperature 70 F (. C) 80 F (6.7 C) 90 F (3. C) 00 F (37.8 C) Discharge pressure (psi) 98 30 70 3 Suction pressure (psi) 5 3 38 46 Note: Do not attempt to obtain correct refrigeration pressures by adjusting the system charge. Refrigeration System Diagram - REF4-ADA, REF5 EVAPORATOR HIGH PRESSURE VAPOR CAPILLARY TUBE LOW SIDE SERVICE PORT COMPRESSOR CONDENSER HIGH PRESSURE LIQUID LOW PRESSURE LIQUID FILTER-DRIER HIGH SIDE SERVICE PORT LOW PRESSURE VAPOR REF4-ADA, REF5, REF5-BB Undercounter Refrigerator
REF5-BB Condenser inlet air temperature 70 00 F (. 37.8 C) Discharge pressure (psi) 90 0 Suction pressure (psi) 5 Note: Do not attempt to obtain correct refrigeration pressures by adjusting the system charge. Refrigeration System Diagram - REF5-BB Low Psi Vapor COMPRESSOR 0oz. Charge High Psi Vapor EVAPORATOR FAN EVAPORATOR LOW SIDE SERVICE PORT HIGH SIDE SERVICE PORT FAN Low Psi Liquid EVAPORATOR/DEFROST UNIT TXV HEAT EXCHANGE DRYER High Psi Liquid CONDENSING UNIT HIGH PRESSURE VAPOR HIGH PRESSURE LIQUID LOW PRESSURE LIQUID LOW PRESSURE VAPOR 3 REF4-ADA, REF5, REF5-BB Undercounter Refrigerator
Troubleshooting Guide Before calling for service. Check that unit is plugged in.. Test outlet with another appliance to verify power. Symptom Possible Cause Solution Refrigerator does not operate (no components run). Power switch faulty or in OFF position; loose connection. Refrigerator not plugged in. No power to cord. Temp controller not energizing components. Turn power switch to ON; check switch and connections. Connect plug. Restore power. Check controller contact terminals for power. Replace controller if needed. Replace controller and/or probe. Probe not sensing set point temperature. Compressor does not run. Thermal overload open or defective. Allow to cool or replace. Capacitor and/or relay defective. Replace as required. Compressor defective. Replace compressor. Evaporator fan motor does not run. Defective fan motor. Replace fan motor. Refrigerator does not shut off. Controller not sensing cut-off temperature. Replace controller and/or probe. Refrigerator does not maintain temperature (all components run). Controller keeping refrigeration system energized. Control relay faulty. Condenser or evaporator coil needs cleaning. Faulty door gasket. Excessively high ambient or inadequate air clearance. Refrigerant leak. Incorrect refrigerant charge. Plugged capillary tube. Inefficient compressor. Replace controller. Replace control relay. Clean coils. Replace door gasket. Maximum recommended ambient is 00 F (38 F). Locate and repair leak. Recover, evaluate and weigh in correct charge. Replace capillary tube and fi lter drier. Consult technical services. If problems persist after following this basic troubleshooting guide, call Follett s technical service group at (877) 6-5086 or (60) 5-730. 4 REF4-ADA, REF5, REF5-BB Undercounter Refrigerator
Accessory Installation The following instruction sheets are available in the download section of the Follett website (www.follettice.com). Temperature Surveillance Module Accessory Reference instruction 0068609 (packed with module) Temperature Alarm Accessory Reference instruction 0005 (packed with alarm) Pedestal Base Reference instruction 009534 (packed with base) Stacking Kit Reference instruction 00956 (packed with stacking kit) 5 REF4-ADA, REF5, REF5-BB Undercounter Refrigerator
Replacement Parts for REF4-ADA, REF5 4 0 3 9 8 3 6 4 5 7 5 Reference # Description Part # Fan motor, evaporator 000499 Bracket, fan motor 000497 3 Fan blade 0004935 4 Fan guard 0004943 5 Evaporator (includes parts above) 0004885 6 Filter drier & capillary tube 000367 7 Compressor 0004950 8 Starting capacitor 0004968 Not shown Starting relay 0004976 Not shown Overload protector 0004984 9 Condenser fan motor 000499 0 Condenser fan blade 0005007 Not shown Fan motor bracket 00574 Condensing unit 000506 Wiring strain relief 0005577 3 Condenser 000569 Not shown Cap, starting capacitor 000567 4 Shroud, condenser 0057347 5 Drain tube, evaporator (includes clamp) 0068 6 REF4-ADA, REF5, REF5-BB Undercounter Refrigerator
9 0 9 4 7 8 8 3 rear cutaway 3 7 6 3 5 0 6 4 5 Hardware Reference # Description Part # Door, REF5 (includes gasket 3/8" x 3/8") 000505 Not shown Door, REF4-ADA (includes gasket 3/8" x 8 5/8") 00390 Latch & striker (includes screws) 000503 3 Latch screws (each 3 per latch) 0003507 4 Striker screws (each per striker) 5087 5 Hinge (each required, includes screws) 000503 6 Hinge screws (each 6 per hinge) 0005080 7 Strip sealer (set of 4), REF5 003038 Not shown Strip sealer (set of 4), REF4-ADA 003046 8 Gasket, REF5 ( 3/8" x 3/8" door) 00573 Not shown Gasket, REF4-ADA ( 3/8" x 8 5/8" door) 007738 9 Shelves, full (each) 000383 Not shown Shelf, upper (cut out) 007753 0 Pilaster (each) 0005346 Not shown Thumb screws (set of 8) 0005353 Shelf support (snap-in, each) 005640 Lower front panel (includes 00437 and screws) 00300 3 Front panel screws (each 6 per panel) 0005379 4 Rear panel (includes screws) 00306 5 Screws, rear panel (each 6 per panel) 0005387 6 Condensate tray (includes screws & spacers) 000375 Not shown Key 000507 7 Spacer, condensate pan 0005098 Not shown Seal, bushing, rear panel 0045 8 Finishing plug 0005536 Not shown Leveling leg 008900 9 Strain relief, power cord 0005403 7 REF4-ADA, REF5, REF5-BB Undercounter Refrigerator
Electrical Components Reference # Description Part # 0 Temperature controller 0090084 Not shown Temperature probe and harness 008373 Power cord 0003903 Power switch, recessed mount 00437 Not shown Strain relief, wiring, front panel 0005577 Not shown Programming key C or F 0094076 3 Control relay 0097685 Temperature Alarm Accessory Reference # Description Part # Not shown Bottle kit (includes bottle, bracket and gasket) 003779 Not shown Controller kit (includes battery, probe and power supply) 000875 Not shown Gasket, bottle 0009 Not shown Bracket, bottle 000 Not shown Bottle 00037 Not shown Battery 0077 Not shown Screws, (includes two for securing cover) 005063 Not shown Label, controller cover 00507 Not shown Temperature probe 005097 Door Brackets for Automated Medication Dispensing Systems Compatibility Reference # Description Part # Not shown Omnicell door bracket 005804 Not shown Pyxis door bracket 00470 8 REF4-ADA, REF5, REF5-BB Undercounter Refrigerator
Replacement Parts for REF5-BB 0 9 5 3 4 8 7 6 Evaporator Reference # Description Part # Cover, evaporator, (includes 00589) 0055564 Fan guard 00589 3 Fan blade 00599 4 Bracket, fan motor 005983 5 Fan motor, evaporator 000499 6 Air baffle 00656 7 Drain pan, evaporator 0065 8 Evaporator 005563 9 Expansion valve (includes 0006534) 00658 0 Insulation, bulb 0006534 9 REF4-ADA, REF5, REF5-BB Undercounter Refrigerator
3 4 7 8 5 6 Condensing Unit Reference # Description Part # Condensing unit 000506 Condenser 000569 Shroud, condenser 0057347 3 Condenser fan blade 0005007 4 Condenser fan motor 000499 5 Fan motor bracket 00574 6 Compressor 0004950 7 Starting capacitor 0004968 8 Filter drier 5074 Not shown Cap, starting capacitor 000567 Not shown Starting relay 0004976 Not shown Overload protector 0004984 0 REF4-ADA, REF5, REF5-BB Undercounter Refrigerator
4 3 3 0 8 9 5 4 5 6 7 Hardware Reference # Description Part # Latch & striker includes screws 000503 Latch screws, 3 per latch 0003507 3 Door, REF5-BB (includes gasket - 3/8" x 3/8") 000505 4 Hinge, each - required, includes screws 000503 5 Hinge screws, each - 6 per hinge 0005080 6 Gasket, REF5-BB 00573 7 Strip sealer (set of 4) REF5-BB 003038 8 Drawer (includes 8 and 4 each of 0, & 5) 006534 9 Drawer slides (pair) 00697 0 Nut, acorn, each (4 required per drawer) 00680 Screw, 5/8", each (4 required per drawer) 00093 Screw, 7/8", each (4 required per drawer) 006794 3 Washer, each (4 required per drawer) 006786 Kit Drawer & slide mounting hardware kit (includes 8, 9, 4 each of 0,,, 3 and 8 each of 5) 00654 4 Striker screws, each - per striker 5087 5 Bearing, roller 006776 Kit Slide & bearings (includes 9 (pair) and 4 each of, 3 & 5) 006794 Kit Bearings & screws kit (includes 8 each of 5 and 4 each of 0,, & 3) 0067957 REF4-ADA, REF5, REF5-BB Undercounter Refrigerator
7 6 5 3 4 Hardware and Electrical Components Reference # Description Part # Temperature controller 00900084 Not shown Temperature probe & harness 006567 Power switch 00437 3 Front panel (includes 00437 and 0005379) 006559 4 Front panel screws, each - 6 per panel 0005379 Not shown Rear panel, includes screws 00306 Not shown Rear panel screws, each - 6 per panel 0005387 5 Condensate pan 00556 6 Evaporator drain line, sold by the foot 0367 7 Control relay 0097685 Not shown REF5-BB programming key C or F 0094076 Not shown Power cord 0003903 Chart Recorder Related Items Reference # Description Part # Not shown Bracket, bottle, 5 ml 0073 Not shown Gasket, bottle, 5 ml 0074 Not shown Bottle, with cap, 5 ml (gasket not included) 0076 Not shown Battery 0077 Not shown Chart paper, 6" 7-day, 7 day (qty 60) 006099 Not shown Pens, replacement (qty 6) 00608 Not shown Probe, chart recorder 006073 REF4-ADA, REF5, REF5-BB Undercounter Refrigerator
3 REF4-ADA, REF5, REF5-BB Undercounter Refrigerator
Follett is a registered trademark of Follett Corporation, registered in US. 80 Church Lane Easton, PA 8040, USA Toll free (877) 6-5086 + (60) 5-730 www.follettice.com 00978890R0 0/
REF Series Undercounter Refrigerator Order parts online www.follettice.com Installation, Operation and Service Manual Before service number B59000 Following installation, please forward this manual to the appropriate operations person. Cool Ideas For Ice Management 80 Church Lane PO Box D, Easton, PA 8044, USA Toll free (800) 53-936 (888) -FOLLETT (60) 5-730 Fax (60) 50-0696 www.follettice.com U L C U L 000409R09
Cool Ideas For Ice Management Follett Corporation Equipment Return Policy Follett equipment may be returned for credit under the following conditions:. The equipment is new and unused.. A return authorization number has been issued by customer service within 30 days after shipment. 3. Follett receives the equipment at the factory in Easton, PA within 30 days after issuance of the return authorization number. 4. The equipment must be returned in Follett packaging. If the packaging has been damaged or discarded, Follett will forward, at the customer s expense, new packaging. Note: Return freight charges are the responsibility of the customer. If equipment is returned and is damaged because of improper packaging, Follett Corporation will not be held responsible. Credit will be issued when: The equipment has been inspected by Follett and deemed suitable to be returned to stock. Note: A 5% restocking charge will be deducted from the credit. If the cost to return the product to stock exceeds 5%, the actual cost will be deducted.
Table of contents Welcome to Follett.......................................... 4 Before you begin........................................ 4 Specifications............................................. 4 Installation procedures...................................... 5 Stabilizer adjustment..................................... 5 Sealing the unit.......................................... 5 Shelving adjustment......................................5 Reversing door.......................................... 5 Changing the temperature set point......................... 6 Operation................................................. 7 How the refrigerator works................................ 7 Temperature control..................................... 7 Defrosting............................................. 7 Cleaning............................................... 7 Service information......................................... 8 Latch adjustment........................................ 8 Gasket replacement..................................... 8 Slide-out compressor tray................................. 8 Wiring diagram......................................... 8 Refrigeration system diagram.............................. 9 Troubleshooting guide................................... 0 Accessory information..................................... Temperature alarm...................................... Pyxis................................................ Replacement parts........................................ 3 3
Welcome to Follett Follett equipment enjoys a well-deserved reputation for excellent performance, long-term reliability and outstanding after-the-sale support. To ensure that this product delivers that same degree of service, we ask that you take a moment to review this manual before beginning the installation. Should you have any questions or require technical help at any point, please call our technical service group at (800) 53-936, (888) -FOLLETT or (60) 5-730. Before you begin After uncrating and removing all packing material, inspect the equipment for concealed shipping damage. If damage is found, notify the shipper immediately and contact Follett Corporation so that we can help in the filing of a claim, if necessary. Specifications Series specifications REF4-ADA 3.5" height fits below 34" high ADA-compatible counter 4.0 cu ft capacity REF5 34.5" height fits below standard 36" high counter 4.8 cu ft capacity Electrical specifications 5V, 60Hz, phase Full load amps: 8.0 Minimum circuit ampacity: 5 amp Maximum size of branch circuit overcurrent device: 5 amp Refrigeration specifications Refrigerant R404A Charge size 8 oz Maximum design pressures: High side 375psi Low side 74psi Installation specifications Ambient temperature must not exceed 00 F (38 C). The front louvered panel must be kept free of any cabinet trim or obstructions to ensure proper ventilation of the refrigeration system. Important cautions Equipment must be wired according to local and NEC codes. Always disconnect power before servicing refrigerator. 4
Installation Leveling the refrigerator Internal stabilizing legs are provided to level the refrigerator in its final location. These legs are retracted for shipping. To allow the refrigerator to slide easily during installation the stabilizing legs can be extended to clear the bottom of the refrigerator panels. To access the stabilizing legs, remove the lower front panel. Turn the legs clockwise to lower and counterclockwise to raise. Shelving adjustment The epoxy-coated wire shelves may be adjusted in.5" increments.. Remove shelf.. Remove each shelf bracket by applying pressure and lifting bottom tab up and out of pilaster. 3. Insert each shelf bracket in new location by inserting top curved tab and applying pressure while inserting lower tab. 4. Reinsert shelf. Reversing the door swing optional. Remove screws and latch from refrigerator cabinet. (Fig..).. Use flat screwdriver to carefully remove (do not scratch) hinge covers (Fig..). 3. Support door and remove screws attaching hinge to refrigerator cabinet (Fig..). 4. Cover hinge screw holes with screw hole plugs removed from opposite side. 5. Reverse door and reinstall hinge screws. 6. Reinstall latch on opposite side. 7. Remove screws and handle from door (Fig. 3.). 8. Rotate handle (Fig. 3.). 9. Reinstall handle screws (application of 4 blue Loctite to handle screws recommended). Fig. Fig. Fig. 3 5
Changing the temperature set point Follett sets the temperature controller to a 38 F set point. This set point may not deliver the temperature range desired for your specific application. For example, some medicine manufacturers suggest a storage temperature range of 36 to 46 F. Therefore, we have provided you with the ability to easily change the set point to meet your specific needs. The changes can be made on the temperature controller located on the bottom left corner of the unit front.. Press SET. SP will display (Fig. 4.). Fig. 4. Press SET. Current set point will display (Fig. 4.). 3. Press up or down on ADJUST to change the set point to desired temperature (Fig. 4.3). 4. Press SET (Fig. 4.4). The characters on the display will disappear for a moment (Fig. 4.5) and then display the current temperature (Fig. 4.6). The new set point is now accepted. Note: See Fig. 5 for examples of temperature ranges by set point. ADJUST ADJUST OUTPUT OUTPUT F SET F SET OUTPUT Fig. 5 Examples of temperature ranges by set point Set point Cut-in Cut-out Normal temperature display range 38 38 34 3-38 39 39 35 33-39 40 40 36 34-40 4 4 37 35-4 4 4 38 36-4 43 43 39 37-43 44 44 40 38-44 45 45 4 39-45 46 46 4 40-46 3 ADJUST ADJUST ADJUST OUTPUT OUTPUT F SET F SET F SET 4 5 6 All set points have a built-in 3 differential. The 3 differential means that with a 38 F set point, for example, the compressor will turn on at 38 F and run through 37, 36, and 35 F (-3 ) before turning off when it reaches 34 F. Because there is still refrigerant in the system, there can be an additional -.5 of drift down in temperature after the compressor shuts off. The temperature may momentarily display as low as 3 F (3.9 F and below rounds down to 3 F) before beginning to rise again. 6
Operation How the refrigerator works The temperature control board and probe indicate when the refrigeration system is required to turn on and off. The probe signals the controller to turn the refrigeration system on when the interior cabinet temperature rises to the controller set point. The normally open contacts of the controller close, energizing the coil of the control relay. Then the normally open contacts of the relay close, energizing the evaporator and condenser fan motors and the compressor. The compressor uses a current-style starting relay and a starting capacitor to start the compressor motor. The refrigeration system then removes heat from the cabinet interior and rejects it to the surrounding room air. When the cabinet interior temperature falls by 3 F (controller will indicate 4 F), see explanation at the bottom of page 6, the probe signals the controller to turn the refrigeration system off. The controller contacts reopen, deenergizing the control relay coil. The relay contacts reopen, which de-energizes the evaporator and condenser fan motors, and the compressor. Any accumulated frost on the evaporator coils melts during the off cycle. The condensate drains to the plastic drain pan mounted above the condensing unit where it is evaporated by the heat from the condensing unit. Temperature control The temperature control system is preset by the factory to maintain a cabinet temperature of 35 F - 38 F. If desired the cut in temperature of the controller can be raised to as high as 50 F by following the instructions on page 6 for changing the temperature set point. The 3 F cut out differential will be maintained regardless of the controller set point. Defrosting REF Series undercounter refrigerators do not require manual defrosting. The unit cooler defrosts automatically when the condensing unit is in the OFF cycle. Cleaning! Use only non-chlorine-based cleaners. Cleaners containing chlorine can cause staining and pitting of the stainless steel. Interior Using a sponge or soft cloth, clean unit with a non-abrasive, non-chlorinated, all-purpose detergent. Exterior Wipe exterior with a soft cloth in the direction of grain as needed. Stainless steel polish may be used to enhance the finish of the unit. Annual cleaning Removal of dust and other particulates from air intake areas and the condenser is important for proper operation. Some environments with large amounts of dust may require more frequent cleaning. Fig. 6. Disconnect power to unit by turning switch on the lower front panel to the OFF position, switching circuit breaker to OFF position, and removing power cord from receptacle.. Remove lower front and rear panels (Fig. 6.). Note: Front louvered panel may be removed for more frequent cleaning of the condenser as needed 3. Remove drain pan (Fig. 6.). 4. Clean drain pan with a non-abrasive, non-chlorinated allpurpose detergent. 5. Reinstall drain pan. 6. Use a vacuum cleaner with brush attachment to clean condenser through lower front panel and compressor motor and related parts through lower rear panel. 7. Reinstall lower rear and lower front panels. 7
MODEL REFRIGERANT Product Module No. Service No. 0864 AMPS AMPS VOLTS R U CHARGE LOW SIDE C R U L HZ NS F PART NO SINGLE PHASE OZ PSIG MADE IN Service Latch adjustment To adjust for proper latch engagement. Loosen striker plate mounting screws (Fig. 7.).. Move striker plate up or down as required and tighten screws. 3. Test operation of latch. Fig. 7 To adjust for proper gasket seal. Loosen striker depth adjustment screw (Fig. 7.).. Adjust stop in or out and tighten screws. 3. Test operation of latch. Door gasket replacement. Remove existing gasket from mounting track. Verify mounting track is free of any remaining gasket material.. Align new gasket with mounting track and press firmly in place. 3. Open and close door, checking for proper gasket seal without pinching against refrigerator. Adjust latch and or striker as necessary for proper door closure. Slide-out compressor tray Follett's slide-out compressor tray allows technicians to partially slide the condensing unit from the refrigerator back without cutting refrigerant lines. Fig. 8 CORPORATION Easton Pennsylvania SERIAL NO FULL LOAD AMPS MOTOR COMPRESSOR THERMALLY PROTECTED DESIGN PRESSURE HIGH SIDE MIN. BRANCH CIRCUIT AMPACITY MAX. BRANCH CIRCUIT FUSE SIZE L THE USA. Remove the rear panel (Fig. 8.). Remove the two screws and spacers securing the condensate pan, and set the pan aside (Fig. 8.). 3. Remove the two bolts securing the condensing unit to the refrigerator base (Fig 8.3). 4. Gently slide the condensing unit out (Fig 8.4). 3 Note: Do not put undue strain on the refrigerant lines 4 Wiring diagram L NEUTRAL CONDENSING UNIT WHITE WHITE WHITE R RELAY WHITE CAP. START CONTROLLER BLUE EVAP. FAN RELAY ND. N 0 VAC L HOT ON/OFF SWITCH BLACK BLACK BLUE BLACK R RELAY BLACK COMP Note OVER LOAD C BLACK R RELAY BLACK Note : Highlighted area on wiring diagram indicates jumper included on refrigerators with service numbers: Service numbers B50486 to B57373 for model REF5 Service numbers B50479 to B57369 for model REF4-ADA 8
Refrigeration system The REF Series refrigeration system is designed to give many years of trouble-free service. Except for routine cleaning of the air-cooled condenser and related parts, the refrigeration system requires no service or maintenance. The system uses a capillary tube and is critically charged. Access fittings are provided for ease of service. However, the connection of refrigeration service hoses to the fittings will almost invariably result in a significant change in the system charge. This change can adversely affect the performance of your refrigerator. Therefore, Follett recommends that if hoses are ever connected to the refrigeration system for service, the refrigerant should be recovered, the system evacuated, and recharged by weighing in the correct refrigerant charge. Note: Do not charge the system by pressures. Checking refrigeration system pressures. Remove the rear access panel (Fig. 8).. Turn the power switch to the on position. 3. Following the instructions on page 6 verify that the temperature controller is set to the original factory cut-in setting of 38 F. 4 Allow the refrigerator to operate and stabilize at least 30 minutes, verifying the cut-out temperature is being reached. 5. Connect refrigerant hoses to access fittings and measure air temperature at condensor intake grille. 6. Verify correct pressures with the temperature chart below. Condensor inlet air temperature 70 80 90 00 Discharge pressure 98 30 70 3 Suction pressure 5 3 38 46 Troubleshoot refrigeration system as needed. Note: Do not attempt to obtain correct refrigeration pressures by adjusting the system charge. Refrigeration system diagram EVAPORATOR HIGH PRESSURE VAPOR CAPILLARY TUBE LOW SIDE SERVICE PORT COMPRESSOR CONDENSER HIGH PRESSURE LIQUID LOW PRESSURE LIQUID FILTER-DRIER HIGH SIDE SERVICE PORT LOW PRESSURE VAPOR 9
Refrigerator troubleshooting guide Before calling for service. Check that unit is plugged in.. Test outlet with another appliance to verify power. Symptom Refrigerator does not operate (no components run) Compressor and condenser fan do not run. Compressor does not run. Evaporator fan motor does not run. Refrigerator does not shut off. Refrigerator does not maintain temperature (all components run). Possible cause. Power switch faulty or in OFF position; loose connection.. Refrigerator not plugged in. 3. No power to cord. 4. Temp controller not energizing control relay. 5. Defective control relay. 6. Probe not sensing cut in temperature.. Condensing unit power cord not plugged in to socket.. Control relay contacts not closing.. Thermal overload open or defective.. Capacitor and/or relay defective. 3. Compressor defective.. Evaporator power cord not plugged in to socket.. Control relay contacts not closing. 3. Defective fan motor.. Controller not sensing cut off temperature.. Controller keeping control relay energized. 3. Control relay stuck closed.. Condenser or evaporator coil needs cleaning.. Faulty door gasket. 3. Excessively high ambient. 4. Refrigerant leak. 5. Incorrect refrigerant charge. 6. Plugged capillary tube. 7. Inefficient compressor. Solution. Turn power switch to ON position; check switch and connections.. Connect plug. 3. Restore power. 4. Check controller contact terminals for power. Replace controller if needed. 5. Replace relay. 6. Replace controller and/or probe.. Reconnect power cord.. Replace relay.. Allow to cool or replace.. Replace as required. 3. Replace compressor.. Reconnect power cord.. Replace relay. 3. Replace fan motor.. Replace controller and/or probe.. Replace controller. 3. Replace control relay.. Clean coils as needed.. Replace door gasket. 3. Maximum recommended ambient is 00 degrees F. 4. Locate and repair leak. 5. Recover, evacuate and weigh in correct charge. 6. Replace capillary tube. 7. Consult technical service. If problems persist after following this basic troubleshooting guide, call Follett s technical service group at (800) 53-936, (888) -FOLLETT or (60) 5-730. 0