Product Data. FK4C Direct Expansion Fan Coil. Sizes 001 thru 006

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1 Product Data FK4C Direct Expansion Fan Coil Sizes 00 thru 00 FK4C Premium Air Handling Technology The FK4C is the latest in air handling technology. It is the perfect unit when you need a fan coil that can deliver high-tech performance, application versatility, easy installation, and high efficiency. The FK4C achieves all this by taking full advantage of its programmable integrated controls and motor (ICM2). This versatile motor is completely static independent, meaning the motor will deliver the selected CFM regardless of the duct system, making it the perfect choice for both high and low static applications. Other features homeowners will appreciate are the FK4C s soft ramp up when the unit is turned on, and its soft ramp down after the thermostat is satisfied. These features increase efficiency and eliminate the annoying sounds associated with sudden changes in airflow. The FK4C also features Carrier s patented Easy Select Board. This board streamlines installation and helps the installer to select the correct airflow. The Easy Select Board combined with the ICM2 truly allows dealers to customize the heating and cooling system to each home. The FK4C is also loaded with the most advanced components, so you know it will perform like a premium fan coil should. Inside you will find grooved copper tubing and lanced sine wave aluminum fins, which contribute to the FK4C s high SEER and HSPF ratings. Carrier technology also incorporates boehmited coils, dedicated refrigerant circuitry, and Copyright 995 Carrier Corporation Form FK4C-PD

2 state-of-the-art Thermostatic Expansion Valve (TXV) refrigerant metering. All of this is packed in a rugged, prepainted metal cabinet that is lined with super-thick, high-density insulation. Obviously a unit built to last. In addition to superior quality, the FK4C also offers the ultimate in versatility. Compact and designed for upflow, downflow, and horizontal applications, the FK4C fits right where it is needed. It is equipped with sweat connections and has multiple electric entries for fast, simple installations. Carrier also offers the FK4C with factory- or field-installed electric resistance heat kits in sizes 5kw to 30kw. When the ultimate in efficiency, comfort, and durability is needed, the FK4C is the fan coil to use. Features c Programmable ICM2 blower motor c Easy Select Board c Grooved copper tube c Lanced sine wave aluminum fin c Discreet refrigerant circuits c Prepainted galvanized sheet metal cabinet c Cooling control in every unit c Static independent airflow c Logarithmic spiral blower housings for blower efficiency c High impact thermoplastic condensate pans c All units multipoise c Provision made for suspending from roof or ceiling joists c Modular cabinet design on 00 size c Factory-supplied cleanable, permanent framed filter c Easy access filter no tools required c Field-installed heater packages 5 30 kw, fused, circuit breaker, non-fused (0 kw and down) c Low-voltage terminal block c AMP plug connection provided for accessory heater packages c Connections for humidistat/humidifier c Connections for air cleaner relay c Blower on/off-delay time selections c Extra thick -in., R 4.2 high-density insulation c Tested for condensate disposal at conditions much more severe than those required by ARI c Sweat connections c Bi-flow hard shut-off TXV c Multiple electrical entry c Primary and secondary drain connections with brass inserts c Inspection plate on A-coil models c -/2 5 ton application c HUD approved for manufactured housing c Replaceable 5-amp blade-type auto fuse protects against transformer secondary short c 40 va, 20/230-v transformer c All models listed with UL, cul, ARI and RADCO c Independent fan only selections 2

3 Model number nomenclature F K 4 C N F A A A A Fan Coil Variations ICM Motor, High Efficiency Variations Multipoise Series Series Variations Electrical 20/230/ Heating Size (kw) F High Density, -in. Thick Insulation B Both -in. Thick insulation and Modular Size Designation AN INDEPENDENT LABORATORY ARY AIR CONDITIONING ARY HEAT PUMP CERTIFICATION LISTING TESTING INSPECTION TESTING FOR PUBLIC SAFETY MANUFACTURER CERTIFIED TO ARI AS COMPLYING WITH ARI EQUIPMENT STANDARD 20 MANUFACTURER CERTIFIED TO ARI AS COMPLYING WITH ARI EQUIPMENT STANDARD 240 CERTIFICATION APPLIES ONLY WHEN THE COMPLETE SYSTEM IS LISTED WITH ARI. 3

4 Dimensions 7 / 7/ DIA K.O. FOR LOW VOLTAGE CONTROL WIRING NOTES: ALLOW 2.0 FROM FRONT FOR SERVICE. S WITH 20, 24 AND 30 K.W. HEATERS MUST MAINTAIN A MINIMUM OF.0 CLEARANCE FROM DISCHARGE DUCT CLEARANCE TO COMBUSTIBLE MATERIALS. WHEN INSTALLED OVER FINISHED CEILING/LIVING SPACE A FIELD SUPPLIED SECONDARY CONDENSATE PAN MUST BE INSTALLED. 5 / 5/ TOP VIEW 3 / (34.9) 7/, 3 /32 & 2.0 DIA FOR HIGH VOLTAGE POWER WIRING C B DISCONNECT OR CIRCUIT BREAKER LOCATION BLOWER, CONTROL, & ELECTRIC HEATER ACCESS PANEL COIL ACCESS PANEL CONNECTION SIZES SUCTION: 00 & /4 I.D. SWEAT 003, 005 & 00 7 / SWEAT LIQUID: 3 / I.D. SWEAT CONDENSATE PAN CONNECTIONS: 3 /4 FPT UPFLOW/DOWNFLOW HORIZ A-COILS: 3 /4 FEMALE PVC GLUE JOINT VIA FITTINGS PROVIDED. 4 / SUCTION LINE CONNECTION LIQUID LINE CONNECTION LIQUID LINE CONNECTION G OPTIONAL FIELD CONVERTED RIGHT SIDE RETURN OPENING (SLOPE COIL S ONLY) INLET AIR ALTERNATE 7/ DIA K.O. FOR LOW VOLTAGE CONTROL WIRING 2 / A 0 3 / 22 / 7/ OUTLET AIR ALTERNATE 7/, 3 /32, 2.0 DIA K.O.'S FOR HIGH VOLTAGE POWER WIRING OPPOSITE SIDE 3/4 NOTE: MODULAR S WILL HAVE A TWO- PIECE CABINET 2 5 / 0 7 / 5 LIQUID LINE CONNECTION FITTING PANEL SUCTION LINE CONNECTION 3 / 2 3 / 0 3 /4 9 /4 /4 / 9 /2 L MAX K FOR MODULAR S 3/4 OPENING F INLET AIR FILTER ACCESS PANEL FRONT VIEW SHOWN WITH A COIL DETAILS CONNECTION LOCATIONS FOR UPFLOW OR HORIZ APPLICATIONS SLOPE COIL DETAILS CONNECTION LOCATIONS SHOWN FOR UPFLOW OR HORIZ LEFT APPLICATIONS ACCESS PANEL CONFIG FOR SLOPE COILS DOWNFLOW OR HORIZ RIGHT APPLICATIONS AND A COILS DOWNFLOW APPLICATIONS /4 20 / OPENING RIGHT SIDE VIEW INLET AIR 2 /2 A9530 A B C D E F G SIZE In. In. In. In. In. In. In / 7-5/ 5-3/4 23-3/ 5-3/ / 7-5/ 5-3/4 4-/4-3/ 0-3/4 FK4C / 2-/ 9-/ /2 9-3/ / 2-/ 9-/4 4-5/ 27 9-/2 9-/ / 24-/ 22-3/4 7-3/ 32-/ /4 4

5 Dimensions continued PRIMARY DRAIN AIRFLOW 7 / (4 PLACES) (2 PLACES) AIRFLOW 3 H J 2 3 / (2 PLACES) 7 / PRIMARY DRAIN SECONDARY DRAIN / 2 /2 3 / E 3 / / 2 5 / SECONDARY DRAIN 2 3 / (2 PLACES) / / 3 / / 2 SECONDARY DRAIN PRIMARY DRAIN (2 PLACES) 7 / (4 PLACES) 5 / / / H PRIMARY DRAIN /2 SECONDARY DRAIN /2 3 / 7 / 7 / SECONDARY DRAIN (INSTALL SPECIAL DAM FITTING) PRIMARY DRAIN HORIZ LEFT SLOPE COIL APPLICATION: AS SHIPPED HORIZONTAL MOUNT LOCATIONS DIMPLES PROVIDED IN TOP PANEL, AND BACK OF CABINET. IN CABINET BOTTOM, HOLES PROVIDED 0.3 DIA. HORIZONTAL HANGING HARDWARE TO BE FIELD SUPPLIED. /2 3 / 5 / D HORIZ LEFT A COIL E 3 / APPLICATION: AS SHIPPED SECONDARY DRAIN PRIMARY DRAIN 2 3 / (2 PLACES) UPFLOW SLOPE COIL AIRFLOW 3 / 4 3 / 4 UPFLOW A COIL 7 / (4 PLACES) (2 PLACES) 3 2 / 4 3 / 4 DOWNFLOW SLOPE COIL AIRFLOW H J 3 / PRIMARY DRAIN SECONDARY DRAIN (2 PLACES) 7 / (4 PLACES) DOWNFLOW A COIL APPLICATION: FIELD CONVERTED 2 3 / (2 PLACES) 5 / APPLICATION: FIELD CONVERTED E HORIZ RIGHT SLOPE COIL SECONDARY DRAIN (INSTALL SPECIAL DAM FITTING) 3 / 5 / / 2 3 / 7 D / HORIZ RIGHT A COIL PRIMARY DRAIN A953 SIZE FK4C COIL CONFIGURATION OPERATING WEIGHT H J K L In. In. In. In. SLOPE A Lb /2 7 Yes / -/ Yes / 27-3/ 9 Yes /4 2-5/ Yes / 32-5/ 34-/ Yes 95 5

6 Physical data SIZE * OPERATING WEIGHT (lb) REFRIGERANT R-22 Metering Device TXV TXV SIZE 3 Ton 3 Ton 4 Ton 4 Ton 5 Ton COIL Type Slope A Slope A A Rows Fins/In. 3-4 Face Area (sq ft) FAN Air Discharge Upflow, Downflow, Horizontal 55 / / / / / 225 CFM (Nominal Clg/Htg) 790 / / / / / / / / / / / / / / / 950 MOTOR HP (ECM) /2 /2 /2 /2 3/4 FILTER SIZE 2-/2 x -3/ 2-/2 x -3/ 2-/2 x -7/ 2-/2 x -7/ 2-/2 x 23-5/ * Modular Units Fan coil units with TXV must have a start capacitor and relay for single-phase outdoor units with reciprocating compressor. See outdoor unit presale literature.

7 Performance data FK4C ADVANCED FAN COIL AIRFLOW DELIVERY CHART SIZE OUTDOOR CAPACITY Nominal A/C Cooling Single Speed Application A/C Cooling Dehumidity OPERATING MODE COOLING Nominal A/C Cooling Two-Speed Application High Speed Low Speed A/C Cooling Dehumidify Nominal A/C Cooling NOTE: The above airflows result with the AC/HP CFM ADJUST select jumper set on NOM. Airflow can be adjusted +5% or 0% by selecting HI or LO respectively for all modes except fan only. Dry coil at 230 volts and with 0 kw heater and filter installed. Airflows shown are at standard air conditions. A/C Cooling Dehumidify FAN ONLY Lo/Med/Hi /440/ /455/ /570/ /0/ /440/ /440/ /570/ /0/ /55/ /570/ /0/ /795/ /570/ /0/ /795/ /90/ /745/ /70/ /995/ /240/750 SIZE OUTDOOR CAPACITY FK4C ADVANCED FAN COIL AIRFLOW DELIVERY CHART Heat Pump Comfort Single Speed Application Heat Pump Efficiency NOTE: The above airflows result with the AC/HP CFM ADJUST select jumper set on NOM. Airflow can be adjusted +5% or 0% by selecting HI or LO respectively. Dry coil at 230 volts and with 0 kw heater and filter installed. Airflows shown are at standard air conditions. OPERATING MODE HEAT PUMP ONLY HEATING Heat Pump Comfort Two-Speed Application High Speed Low Speed Heat Pump Efficiency Heat Pump Comfort Heat Pump Efficiency

8 Performance data continued AIRFLOW DELIVERY CHART (cfm) ELECTRIC HEATING MODES SIZE 00, OUTDOOR ELECTRIC HEATER KW RANGE CAPACITY BtuH Lo Nom Hi Lo Nom Hi Lo Nom Hi Lo Nom Hi, * * * * * * * * * 24, * * * * * * 30, , , * * * * * * 30, * * * 3, , SIZE OUTDOOR ELECTRIC HEATER KW RANGE CAPACITY BtuH Lo Nom Hi Lo Nom Hi Lo Nom Hi Lo Nom Hi 30, * * * * * * 3, * * * 42, , , * * * * * * 42, * * * 4, , * Airflow not recommended for heater/system size. NOTE: LO, NOM and HI refer to the AC/HP CFM ADJUST selection. MINIMUM CFM FOR ELECTRIC HEATER APPLICATION SIZE 00, HEAT PUMP SIZE CFM Heater Size KW 5, 9, 0 5, 20 24, 30 Heater Only Heater Only Heater Only Heater Only NOTE: Heater Only Air Conditioner with electric heater application. These airflows are minimum acceptable airflows as UL listed. Actual airflow delivered will be per the airflow delivery chart for Electric Heating Modes.

9 The airflow performance charts for the FK4C fan coil depict nominal airflow delivery for heating and cooling mode operation versus duct system static pressure drop. Cooling mode operation is shown as solid vertical lines for all four system size selections. Heating mode operation for the four system size selections are shown as dashed vertical lines. The dotted curved lines are static pressure drop characteristics for several fixed-duct systems. These lines can be used to predict the system static pressure drop at any airflow given the actual drop at one known point. For example, a duct system is designed for.5 inches water gage (iwg) drop at 200 CFM. The FK4CNF005 operating at nominal cooling airflow would deliver 050 CFM with a duct system drop of. iwg (see point ). The FK4CNF005 operating at nominal heating airflow would deliver 945 CFM at a duct system drop of.09 iwg (see point 2). This example is but one of many possible duct system designs. The FK4CNF005 will deliver the above airflows against much higher static pressures. AIRFLOW PERFORMANCE FKACNF005 NOM. CLG EXTERNAL STATIC PRESSURE (iwg).5 DUCT SYSTEMS NOM. HTG SCFM A9539 9

10 AIRFLOW PERFORMANCE FK4CNF00 NOMINAL COOLING NOMINAL HEATING HI COOLING 0.7 EXTERNAL STATIC PRESSURE (iwg) SCFM A

11 AIRFLOW PERFORMANCE FK4CNF002 NOMINAL COOLING NOMINAL HEATING 03 HI COOLING EXTERNAL STATIC PRESSURE (iwg) SCFM A95324

12 .4 AIRFLOW PERFORMANCE FK4CNF003 NOMINAL COOLING NOMINAL HEATING HI COOLING EXTERNAL STATIC PRESSURE (iwg) SCFM A

13 .4.3 AIRFLOW PERFORMANCE FK4CNF005 NOMINAL COOLING NOMINAL HEATING EXTERNAL STATIC PRESSURE (iwg) HI COOLING SCFM A9532 3

14 ..7 AIRFLOW PERFORMANCE FK4CNB00 NOMINAL COOLING NOMINAL HEATING HI COOLING. EXTERNAL STATIC PRESSURE (iwg) SCFM A

15 Performance data continued COOLING CAPACITIES (MBtuh) SIZE EVAPORATOR AIR Cfm BF See notes on pg.. COIL REFRIGERANT TEMPERATURE ( F) Evaporator Air Entering Wet-Bulb Temperature ( F)*

16 * Saturated suction leaving evaporator coil. BF Bypass Factor Sensible Heat Capacity NOTES:. Net capacities shown include a deduction for evaporator fan motor heat. 2. Contact manufacturer for cooling capacities at conditions other than shown in table. 3. Formulas: sensible heat cap. Leaving db = entering db.09 x cfm Leaving wb = wb corresponding to enthalpy of air leaving coil (h lwb ) total capacity (Btuh) h lwb = h ewb 4.5 x cfm where h ewb = enthalpy of air entering coil. 4. Direct interpolation is permissible. Do not extrapolate. 0 F subtract (corr factor x cfm) from SHC. Above 0 F db, add (corr factor x cfm) to SHC. BYPASS FACTOR SHC Correction Factor ENTERING AIR DRY-BULB TEMPERATURE ( F) Under Over 5 Correction Factor Interpolation is permissible. Correction Factor =.09 x ( BF) x (db 0) Use formula shown below 5. SHC is based on 0 F db temperature of air entering coil. Below Performance data continued ESTIMATED SOUND POWER LEVEL* SIZE CONDITIONS OCTAVE BAND CENTER FREQUENCY CFM ESP RPM * Estimated sound power levels have been derived using the method described in the 97 ASHRAE Systems & Applications Handbook, chapter 52, p CFM Cubic Feet Per Minute ESP External Static Pressure RPM Revolutions Per Minute

17 Performance data continued AIRFLOW PERFORMANCE CORRECTION FACTORS The FK4C airflow performance table was developed using fan coils with 0 kw electric heaters (2 elements) in the units. For fan coils with heaters made up of a different number of elements, the external available static at a given CFM from the table may be corrected by adding or subtracting pressure. Use table for this correction. STATIC PRESSURE CORRECTION (in. wc) HEATER KW ELEMENTS Sizes Size , , , 24, * Inches water column FILTER STATIC PRESSURE DROP (In. wc)* CFM SIZE AIR DELIVERY PERFORMANCE CORRECTION COMPONENT PRESSURE DROP (IN. WC) AT INDICATED AIRFLOW (DRY TO WET COIL) CFM SIZE NOTE: Subtract the above pressure drop corrections from unit airflow data when that component or condition is used. The remaining external static pressure will be available for the duct system. CFM

18 Accessories ITEM ACCESSORY P/N* FAN COIL SIZE USED WITH FK4C- Disconnect Kit KFADK00DSC Cooling controls and heaters through 0 kw Coil Brkt Kit (Downflow Slope) KFADC020SLP 00, 003 Coil Brkd Kit (Downflow A) KFADC030ACL 002, 005, 00 Downflow Base Kit KFACB020CFB 00, 002 Downflow Base Kit KFACB030CFB 003, 005 Downflow Base Kit KFACB040CFB 00 Filter Kit (2 Pack) KFAFK022MED 00, 002 Filter Kit (2 Pack) KFAFK032LRG 003, 005 Filter Kit (2 Pack) KFAFK042XXL 00 Single-Point Wiring Kit KFASP00SPK All Air Cleaner Relay Kit KFAIR020ACR All *Factory authorized and listed, field installed. Accessory Description and Usage. Disconnect Kit The kit is used to disconnect electrical power to the fan coil so service or maintenance may be performed safely. SUGGESTED USE: FK4, FC4, FB4, FA4, and FH4 units for 3 kw through 0 kw electric resistance heaters and cooling controls. 2. Downflow Conversion Kit Fan coils are shipped from the factory for upflow or horizontal-left applications. Downflow conversion kits provide proper condensate water drainage and support for the coil when used in downflow applications. Separate kits are available for slope coils and A-coils. REQUIRED USE: This kit must be used whenever FK4, FC4, FB4, and FA4 fan coils are used in downflow applications. 3. Downflow Base Kit This kit is designed to provide a in. minimum clearance between unit discharge plenum, ductwork, and combustible materials. It also provides a gap free seal with the floor. REQUIRED USE: This kit must be used whenever FK4, FC4, FB4, FA4, and FH4 fan coils are used in downflow applications. 4. Single Point Wiring Kit The single point wiring kit acts as a jumper between L and L3 lugs, and between the L2 and L4 lugs. This allows the installer to run 2 heavy-gage, high-voltage wires into the fan coil rather than 4 light-gage, high-voltage wires. SUGGESTED USE: FK4, FC4, FB4, FA4, and FH4 fan coils only with 5 kw and 20 kw heaters 5. Air Cleaner Relay The electronic air cleaner relay ensures the FK4C fan coil and electronic air cleaner work as a system. REQUIRED USE: This relay is required whenever an electronic air cleaner is used with an FK4C fan coil.. Fan Coil Filter The kit consists of fan coil framed filters. These filters collect large dust particles from the return air entering the fan coil and prevents them from collecting on the coil. This process helps to keep the coil clean, which increases heat transfer and in turn the efficiency of the system. SUGGESTED USE: To replace the filters in FK4, FC4, FB4, and FH4 fan coils. REQUIRED USE: All FA4A units unless a filter grille is used.

19 Electrical data S WITHOUT ELECTRICAL HEAT SIZE VOLTS-PHASE FLA MIN CKT AMPS Min Wire Size Awg* BRANCH CIRCUIT Max Wire Length (ft) 00 20/ / / / / * Use copper wire only to connect unit. If other than uncoated (nonplated) 75 F ambient, copper wire (solid wire for 0 AWG and smaller, stranded wire for larger than 0 AWG) is used consult applicable tables of the National Electric Code (ANSI/NFPA 70). Length shown is as measured way along wire path between unit and service panel for a maximum 2% voltage drop. FLA Full Load Amps 20v 230v Fuse Amps Accessory electric heaters ELECTRIC HEATERS HEATER P/N 240V VOLTS/PHASE KW/ STAGE INTERNAL CIRCUIT PROTECTION FAN COIL SIZE USED WITH HEATING 230V KFAEH020N / 5 None** All 5,700 KFAEH030N0 230/ None** All 25,00 KFAEH040N / 0 None** All 3,400 KFAEH20F / 5, 0 Fuses All 47,00 KFAEH00F / 0, 0 Fuses All 2,00 KFAEH250N /* 3, None** All 2,300 KFAEH /3 5, 0 None** All 47,00 KFAEH /3,, None** 003, 005, 00 5,500 KFAEH00F /3,, Fuses 005, 00 7,500 KFAEH0F /3 0, 0, 0 Fuses 005, 00 94,200 KFAEH30C / 5 Ckt Bkr** All 5,700 KFAEH40C0 230/ Ckt Bkr** All 25,00 KFAEH50C / 0 Ckt Bkr** All 3,400 KFAEH20C / 5, 0 Ckt Bkr** All 47,00 KFAEH70C / 0, 0 Ckt Bkr** All 2,00 KFAEH270S / 5, 0 Fused All 47,00 KFAEH90S / 0, 0 Fused All 2,00 * These heaters field convertable to three phase. These heaters field convertable to single phase. Blower motor heat not included. ** cul approved. ELECTRIC HEATER INTERNAL PROTECTION HEATER KW PHASE FUSES QTY/SIZE CKT BKR QTY/SIZE 5 2/0 2/0 0 2/0 5 2/30, 2/0 4/0 20 4/0 4/0 24 3/ /0 30 3/ /0 9

20 Electric heater electrical data ELECTRIC HEATER ELECTRICAL DATA ACCESSORY HEATER P/N KFAEH00N03 KFAEH20C03 KFAEH020N05 KFAEH30C05 KFAEH030N0 KFAEH40N0 KFAEH250N09 KFAEH040N0 KFAEH50C0 KFAEH20F5 KFAEH270S5 KFAEH20C5 KFAEH0035 KFAEH0903 KFAEH00F20 KFAEH90S20 KFAEH70C20 KFAEH00F24 KFAEH0F30 kw 240V 20V PHASE INTERNAL CIRCUIT PROTECTION CB CB CB CB FUSE FUSE CB FUSE FUSE CB FUSE FUSE FUSE FUSE SINGLE CIRCUIT 0.9/ /2.0./20.0./ / /32.0./ / / / / / / / / /55.4.7/ / / 20.0 HEATER AMPS 20/230V DUAL CIRCUIT L, L2 L3, L4 3.2/ / / / / /40.0./20.0./20.0./ / / /40.0 SINGLE DUAL CIRCUIT CIRCUIT L, L2 L3, L4.2/7.5.2/ / / / / / / / /. 74.7/. 4.0/ / / /0. 9.5/7.2.0/ / /57.0 MIN AMPACITY* 20/230V 52.2/ / / / / / / / / / / /50.0 MIN WIRE SIZE (AWG) 20/230V SINGLE DUAL CIRCUIT CIRCUIT L, L2 L3, L / 3/2 3/2 0/ BRANCH CIRCUIT MIN GND WIRE SIZE 20/230V SINGLE DUAL CIRCUIT CIRCUIT L, L2 L3, L /0 0/0 0/0 0/0 0/0 0/0 0/0 0/0 0/0 0/0 0/0 0/0 FUSE/CKT BKR AMPS 20/230V SINGLE DUAL CIRCUIT CIRCUIT L, L2 L3, L /30 25/30 45/50 45/ / / /0 94/9 35/35 0/0 0/0 0/90 0/90 50/50 0/0 00/0 00/0 70/0 25/50 90/00 50/75 0/0 0/0 0/0 0/0 0/0 0/0 25/25 25/25 25/25 50/50 50/50 50/50 MAX WIRE LENGTH** FOR 2% VOLTAGE DROP 20/230V (FT) SINGLE DUAL CIRCUIT CIRCUIT L, L2 L3, L4 3/5 3/5 /2 /2 /2 /2 0/ 7/79 7/79 /7 /7 7/2 94/95 4/0 4/0 /7 2/3 20/2 4/45 7/79 7/79 7/79 7/79 7/79 7/79 7/79 7/79 7/79 5/5 5/5 5/5 FIELD MULTIPOINT WIRING OF 24- AND 30-KW SINGLE PHASE HEATER PART NO. KW 240V 20V PHASE HEATER AMPS 20/230V MIN AMPACITY 20/230V* MIN WIRE SIZE (AWG) 20/230V MIN GND WIRE SIZE 20/230V FUSE/CKT BKR AMPS 20/230V MAX WIRE LENGTH** FOR 2% VOLTAGE DROP 20/230V (FT) L/L2 L3/L4 L5/L L/L2 L3/L4 L5/L L/L2 L3/L4 L5/L L/L2 L3/L4 L5/L L/L2 L3/L4 L5/L KFAEH00F / / / /4.9 3./ / /50 40/45 40/45 /2 73/73 73/73 KFAEH0F / / / / / / /0 50/0 50/0 7/79 5/5 5/5 * ** CB Circuit Breaker Includes blower motor amps of largest fan coil is used with heater. CSA fused with single point wiring adapter Copper wire must be used. If other than uncoated (non-plated), 75 C ambient, copper wire (solid wire for 0 AWG and smaller, stranded wire for larger than 0 AWG) is used, consult applicable tables of the National Electronic Code (ANSI/NFPA 70). Length is as measured one way along wire path between unit and service panel for a maximum voltage drop not to exceed 2%. NOTE: The 24- and 30-kw heaters are convertible to -phase, single or multiple supply circuit. The 9-kW heaters are convertable to three phase. Single circuit application of F5 and F20 heaters requires single-point wiring kit accessory. A

21 Matched system HEAT PUMP HUMIDIFIER FAN COIL AIR FLOW ELECTRONIC AIR CLEANER A9202 2

22 SERVICE TRAINING Packaged Service Training programs are an excellent way to increase your knowledge of the equipment discussed in this manual, including: Unit Familiarization Maintenance Installation Overview Operating Sequence A large selection of product, theory, and skills programs is available, using popular video-based formats and materials. All include video and/or slides, plus companion book. Classroom Service Training plus "hands-on" the products in our labs can mean increased confidence that really pays dividends in faster troubleshooting, fewer callbacks. Course descriptions and schedules are in our catalog. CALL FOR FREE CATALOG [ ] Packaged Service Training [ ] Classroom Service Training A9432 Copyright 995 Carrier Corporation Syracuse, New York Manufacturer reserves the right to discontinue, or change at any time, specifications or designs without notice and without incurring obligations. Book 4 Page 22 Catalog No FK-4CC Printed in U.S.A. PC 0 Form FK4C-PD Tab 3d 2e Replaces: FK4B-PD