McQuay. Ceiling Concealed Horizontal Water Source Heat Pump. CCH, CCG, CCW 048, 060 Vintage A. Last Manufactured: 1995

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1 Replacement Parts List No Revision B 06/2015 McQuay Ceiling Concealed Horizontal Water Source Heat Pump CCH, CCG, CCW 048, 060 Vintage A Last Manufactured: 1995 To find your Daikin Applied parts distributor, call or visit

2 Contents Parts List Revision History...3 Nomenclature Serial Number...4 Model Number...4 Field Installed Accessories Thermostats and Subbases For Electromechanical Control Units...5 Thermostats and Subbases For Mark IV Units...5 Thermostat Accessories...6 Hoses, Valves & Filters...6 Unit Accessories...7 Refrigeration Circuit Diagram...8 Components...9, 10 Fan and Housing Assembly Diagram Components...12 Control Box Standard Control Layout- 60 Hz...13 Standard Control Layout- 50 Hz...14 Components...15, 16 Critical Parts List CCH,CCG,CCW CPL1 CCH,CCG,CCW CPL2 WSHP; CCH, CCG & CCW, Sizes 048 & 060, Vintage A Rev. B 06/15 RPL / Page 2

3 Parts List Revision History Rev. Date A 07/01 Revised all pages to be consistant with electronic style, added Revision History page. Page 12- added ( 1 ) footnote to Bub. #15 last 4 motors. B 06/15 Part number conversion. Remove sheet metal for chassis and cabinet components. Page 4- Add Model Number codes. Page 15- Change Circuit Board, Electromechanical p/n K to Change Mark IV Circuit Board p/n to K. Add Footnote #4 Service Bulletin for Mark IV Board. Change Air & Water Temp Sensor p/n 4EZS9158 to CPL1 & CPL2 Add Critical Parts List. Daikin Applied,13600 Industrial Park Blvd., P.O. Box 1551, Minneapolis, MN (763) WSHP; CCH, CCG & CCW, Sizes 048 & 060, Vintage A Rev. B 06/15 RPL / Page 3

4 Nomenclature Serial Number 7 Z A Plant Identification Number 7 = Auburn Year Manufactured S = 1987 T = 1988 U = 1989 Etc Model Number Engineering Revision Serial Number (Building Sequence) Month Manufactured A = January B = February C = March D = April E = May F = June G = July H = August J = September K = October L = November M = December CCH 048A F G S 1 1 W R F SDR A Y A Y 1 D M C Code Code 01= Model Type CCH= Ceiling Concealed Heat Pump CCG= Ceiling Concealed Cooling Only CCW= Ceiling Concealed Heat Pump, Extended Range Code 02= Unit Size/Vintage 048A= 4800 BtuH Nominal Cooling 060A= 6000 BtuH Nominal Cooling Code 03= Control System E= Electromechanical Controls M= Mark IV Controls C= MicroTech Unit Controller Code 04= Voltage F= 208- G= 208- Q= T= W= Code 05= Discharge Air Arrangement S= Straight Discharge E= End Discharge Code 06= Construction Type 1= Standard E= Extra Quiet Code 07= Water to Refrigerant Heat Exchanger 1= Copper Inner Tube C= Cupro-Nickel Inner Tube Code 08= Head Pressure Control W= Water Regulating Valve Y= None Code 09= Starting Control R= Random Start (C03=E) Y= None Code 10= Drain Pan Overflow Protection F= Float Switch (C03=E) Y= None Code 11= Controls SDR= Shutdown Relay (C03= E & C04= J) NSR= Night Setback Relay (C03= E & not C04= J) NSD= NSR & Demand Control Relay (C03= E & not C04= J) SDN= SDR & NSR (C03= E & not C04= J & Not Vintage A) MTR= Timed Output Relay (C03=C) MBS= Boilerless System Relay (C03=C) MFD= Fresh Air Damper (C03=C) MTV= Motorized Valve (C03=C) YYY= None Code 12= Auxiliary Relay A= Auxiliary Relay (C11 is not SDR & SDN; C03= E or M) Y= None Code 13= Always Y Code 14= Filter A= Throw Away Y= None Code 15= Paint (Y= None) Code 16= Finned Tube Coil 1= Copper Tube/Aluminum Fin Code 17= Fan Housing/Wheel & Motor D= Direct Drive, 2-Speed Motor E= Direct Drive, 2-Speed Oversize Fan Code 18= Logo & Nameplate Designation M= Snyder General C= Climate Control (C04= J) Code 19= Construction C= Chicago Code (C04= not J) Y= None Code 20= Agency Listing Code 21= Warranty Code 22= Packaging Code 23= Miscellaneous WSHP; CCH, CCG & CCW, Sizes 048 & 060, Vintage A Rev. B 06/15 RPL / Page 4

5 Field Installed Accessories Thermostats & Subbases. For Electromechanical Control Units only. Model No. Digit 7 = E. STANDARD MANUAL CHANGEOVER THERMOSTAT & SUBBASE. Honeywell T834C with no LED. Mounts vertically. System "Heat-Off-Cool" switch and fan. "On-Auto" switch. STANDARD AUTOMATIC CHANGEOVER THERMOSTAT & SUBBASE. Thermostat Honeywell T874/Q674. LED for "Service." Mounts horizontal. System "Off-Auto" switch and fan "On-Auto" switch. Subbase DELUXE AUTOMATIC CHANGEOVER THERMOSTAT & SUBBASE WITH NIGHT SETBACK. Honeywell T874/Q674. LED for "Service." Thermostat Mounts horizontal. Requires factory installed night setback relay or field installed night setback or night setback/demand control relay. Night setback bulb set 8 o F below day heating setpoint. System "Off-Auto" Subbase switch and fan "On-Auto" switch. Requires minimum of 6 wires. PROGRAMMABLE MICROELECTRONIC THERMOSTAT. Digistat HP-2000DC. Auto or manual changeover. Mounts horizontal. System "Off-Auto" switch, temp. "Heat-Auto-Cool" switch and fan "On-Auto" switch. Part Number (Includes subbase) (Includes subbase) Thermostats & Subbases. For Mark IV Control Units only. Model No. Digit 7 = M. STANDARD MANUAL CHANGEOVER THERMOSTAT & SUBBASE. Honeywell T834C with no LED. Mounts vertically. System "Heat-Off-Cool" switch and fan. "On-Auto" switch. STANDARD AUTOMATIC CHANGEOVER THERMOSTAT & SUBBASE. Honeywell T874/Q674. LED for "Service." Mounts horizontal. System "Off-Auto" switch and fan "On-Auto" switch. Subbase STANDARD MANUAL & AUTO CHANGEOVER THERMOSTAT & Thermostat SUBBASE. Honeywell T874/Q674. LED for "Service." Mounts horizontal. System "Off-Heat-Auto-Cool" switch and fan "On-Auto" switch. Subbase DELUXE AUTOMATIC CHANGEOVER THERMOSTAT & SUBBASE WITH NIGHT SETBACK AND OVERRIDE. Honeywell T874/Q674. Thermostat LED for "Service." Mounts horizontal. Requires grounding of unit "U" terminal. Night setback bulb set 8 o F below day heat setpoint. Night setup Subbase bulb set 6 o F above day cool setpoint. System "Off-Auto" switch and fan "On-Auto-Override" switch. STANDARD AUTOMATIC CHANGEOVER THERMOSTAT & SUBBASE Thermostat FOR OPERATING TWO UNITS. Honeywell T874/Q674. LED for "Service." Mounts horizontal. System "Off-Auto" switch. Subbase PROGRAMMABLE MICROELECTRONIC THERMOSTAT. Digistat HP-2000DC. Auto or manual changeover. Mounts horizontal. System "Off-Auto" switch, temp. "Heat-Auto-Cool" switch and fan "On-Auto" switch. Part Number (Includes subbase) Thermostat (Includes subbase) WSHP; CCH, CCG & CCW, Sizes 048 & 060, Vintage A Rev. B 06/15 RPL / Page 5

6 Field Installed Accessories Thermostat Accessories NIGHT SETBACK THERMOSTAT. Honeywell T822. Mounts vertically. No LED. No switches. For applications requiring a separate NSB stat. UNIVERSAL THERMOSTAT GUARD. Honeywell TG500A. Clear plastic with ring base, lock and keys. DELUXE LOCKING COVER FOR T874/Q674 THERMOSTATS. Honeywell TG504A. Applies only to T874/Q674 thermostats. Replaces standard thermostat cover. Includes cover, lock and keys. ADAPTER PLATE FOR T874/Q674 THERMOSTATS. Allows for horizontal thermostat to be mounted on a vertical junction box. 7-DAY TIME CLOCK. Not available for 50 cycle power. Includes spring carryover. OVERRIDE TIMER - 1 HOUR. OVERRIDE TIMER - 6 HOUR. Part Number Hoses, Valves & Filters Part Number STANDARD SUPPLY OR RETURN HOSE. Rubber hose with MPT 2' long, 3/4" I.D. (Size 048) swivel hydraulic fittings on each end. Order two per unit. 2' long, 1" I.D. (Size 060) ' long, 3/4" I.D. (Size 048) ' long, 1" I.D. (Size 060) FIRE RATED SUPPLY OR RETURN HOSE. Stainless steel, braided 2' long, 3/4" I.D. (Size 048) hose with one MPT and one MPT swivel fitting. Order 2 per unit. 2' long, 1" I.D. (Size 060) ' long, 3/4" I.D. (Size 048) ' long. 1" I.D. (Size 060) CONDENSATE HOSE ASSEMBLY. Requires trap by others. Clear plastic, 38" long Order one per unit. Fire rated, 24" long Includes fitting to be soldered on unit. Fire rated, 36" long BALL VALVE. Combination shutoff and balancing valve with memory 3/4" FPT (Size 048) stop. Order two per unit. 1" FPT (Size 060) RETURN AIR DUCT COLLAR & TWO INCH FILTER RACK. Four sheet metal pieces to hold 1" or 2" thick filter and to allow for easy connection of return air duct onto its 1" collar Replaces standard brackets. 2" THICK THROWAWAY FILTER. Fits into 2" thick filter rack. Must order in multiples of (2 req'd. per unit). 1" THICK THROWAWAY FILTER. Replacement for standard filter. Must order in multiples of (2 req'd. per unit). 1" THICK CLEANABLE FILTER. Must order in multiples of 12. (2 req'd. per unit.) " THICK PLEATED FILTER, 35% EFFICIENT. Must order in multiples of 12. (2 req'd. per unit.) WSHP; CCH, CCG & CCW, Sizes 048 & 060, Vintage A Rev. B 06/15 RPL / Page 6

7 Field Installed Accessories Unit Accessories SHUTDOWN RELAY KIT FOR ELECTROMECHANICAL CONTROL UNITS. For shutdown of the unit from an external 24 volt AC power source. Relay mounts at control box. NIGHT SETBACK RELAY KIT FOR ELECTROMECHANICAL CONTROL UNITS. Relay to put unit into NSB mode from an external 24 volt AC power source. Relay mounts at control box. Operation requires ACO stat with built-in NSB or a separate NSB stat. NIGHT SETBACK/DEMAND CONTROL RELAY KIT FOR ELECTROMECHANICAL CONTROL UNITS. Relay to put unit into NSB mode from one 24 volt AC power source and to put unit into load shed mode from another 24 volt AC power source (3 total wires required). Relay mounts at control box, operation requires ACO stat with built-in NSB or separate NSB stat. RANDOM START RELAY FOR ELECTROMECHANICAL CONTROL 115, 208/230, 265V UNITS. Time delay relay to delay compressor startup when coming off night 460, 575V operation and to not allow all units to start at the same time. CONDENSATE OVERFLOW SAFETY SWITCH FOR ELECTROMECHANICAL CONTROL UNITS. Float switch in drain pan to shut down compressor operation when pan fills. AUXILIARY RELAY. 24 volt DC relay to be wired to low voltage terminal block to allow a set of SPDT pilot duty contacts to operate miscellaneous devices when the fan or compressor operate. BOILERLESS SYSTEM KIT. Must be Mark IV control unit. Includes electronics and sensor to lock out compressor operation at 50 o F to 60 o F EWT and provide SPNO contacts to a field supplied electric heater control system. LOGIC LINK II. Must be Mark IV control unit. Includes electronics, ACO stat and subbase for adjustable night setback and setup and compressor only shutdown (demand control/load shed) from a 24 volt AC external power source. Also includes 1 hour override control at the thermostat. LOGIC LINK II WITH BOILERLESS SYSTEM. Incorporates both Logic Link and Boilerless System control in one package. Includes ACO stat and subbase, and EWT sensor. Requires 24 volt AC external power source. MULTIPLE UNIT CONTROL PANEL. Allows master unit to be controlled by any thermostat. Slave units "follow" with paralleled operation. Master & 1 Slave Master & 3 Slaves Kit Not recommended with Boilerless System. Circuit Board only Relay only (3 req'd.per unit) MOTORIZED VALVE. Includes prewired valve/ operator, 3 foot conduit assembly with leads and quick connects. Valve shuts water flow off for variable pumping. 300 psig maximum operating pressure. Requires control relay. See below. CONTROL RELAY FOR MOTORIZED VALVE. Unit Size 048 3/4" FPT Unit Size 060 1" FPT Kit with bleed port Valve only with bleed port Kit without bleed port Valve only w/o bleed port Kit with bleed port Valve only with bleed port Kit without bleed port Valve only w/o bleed port Kit Relay only Part Number WSHP; CCH, CCG & CCW, Sizes 048 & 060, Vintage A Rev. B 06/15 RPL / Page 7

8 Refrigeration Circuit Diagram To Water Regulating Valve (Option) WSHP; CCH, CCG & CCW, Sizes 048 & 060, Vintage A Rev. B 06/15 RPL / Page 8

9 Refrigeration Circuit Components Ref. No. Part Number 1 Compressor 1, Compressor K Compressor 1, Compressor K Compressor 1, * 1 1 Compressor K 1 1 Compressor 1, Compressor Compressor 1, Compressor 1, Compressor Compressor 1, Compressor Compressor Compressor 1, Compressor Compressor N/S Threaded Plug, 1/2" N/S Capacitor 40 MFD 440V N/S Capacitor 55 MFD 440V N/S Capacitor Bracket Condenser, Coax 1,2,5 Copper Inner Tube Condenser, Coax 3,5 CUNI Inner Tube Condenser, Coax 1,2,4 Copper Inner Tube Condenser, Coax 3,4 CUNI Inner Tube Condenser, Coax 1,2 Copper Inner Tube Condenser, Coax 3 CUNI Inner Tube N/S Spring Nut, U Type Evaporator Coil Evaporator Coil Capillary 36 X.064 X Strainer / Distributor Strainer / Distributor N/S = Not shown on diagram * If serial number ends in 'T4' compressor is Tecumseh P/N CCH 2 CCG 3 CCW 4 Used on Serial number revision levels -01 & Used on Serial number revision level -03. Continued on next page. WSHP; CCH, CCG & CCW, Sizes 048 & 060, Vintage A Rev. B 06/15 RPL / Page 9

10 Refrigeration Circuit Components- Continued Ref. No. Part Number 6 Reversing Valve Solenoid, Reversing Valve 1, Switch, High Pressure Switch, Low Pressure Thermostat, Low Temp Cutout 1, Thermostat, Low Temp Cutout Speed Clip, Thermostat Accumulator Accumulator N/S Flanged Nut Compr., Mounting N/S Grommet, Compressor Mounting N/S Sleeve, Compressor Grommet N/S Sleeve, Compressor Grommet N/S Spacer, Lower Compressor Mtg N/S Spacer, Top, Compressor Mtg N/S Spring, Compressor Mounting N/S Valve, Water Regulating 1,2, N/S Valve, Water Regulating 3, N/S Drain Pan Assy * N/S = Not shown on diagram * Please contact Daikin Applied with unit model and serial number for part numbers on Cabinet/ Chassis components. 1 CCH 2 CCG 3 CCW 4 Used on Serial number revision levels -01 & Used on Serial number revision level Used only on Standard Construction units built prior to Serial number Engineering Revision "02". 7 Used on all units (Standard and Extra Quiet Construction) starting with Serial Number Engineering Revision "02". 8 Used only on units with Water Regulating Valve Option. WSHP; CCH, CCG & CCW, Sizes 048 & 060, Vintage A Rev. B 06/15 RPL / Page 10

11 Fan and Housing Assembly Straight Discharge is standard End Discharge same as standard except rotated 180 o. WSHP; CCH, CCG & CCW, Sizes 048 & 060, Vintage A Rev. B 06/15 RPL / Page 11

12 Fan and Housing Components Ref. No. Part Number 15 Motor, 3/4 HP Motor, 3/4 HP Motor, 3/4 HP Motor, 3/4 HP High Static Motor, 3/4 HP High Static Motor, 3/4 HP High Static Motor, 3/4 HP High Static Motor, 3/4 HP N/S Motor Mount Run Capacitor 15 MFD 370V Run Capacitor 10 MFD 370V Bracket, Capacitor Blower Housing Blower Housing Inlet Ring Inlet Ring Wheel- Blower Wheel- Blower Support Bracket Support Bracket Protector Terminal N/S Blower Cutoff N/S Band, Motor Mounting N/S Arm, Motor Mounting N/S = Not shown on diagram 1 Used only on units with High Static Fan Assembly Option, (Size 060 only). WSHP; CCH, CCG & CCW, Sizes 048 & 060, Vintage A Rev. B 06/15 RPL / Page 12

13 Control Box Standard Control Layout- 60HZ Front View Side View WSHP; CCH, CCG & CCW, Sizes 048 & 060, Vintage A Rev. B 06/15 RPL / Page 13

14 Control Box Standard Control Layout- 50HZ Front View Side View WSHP; CCH, CCG & CCW, Sizes 048 & 060, Vintage A Rev. B 06/15 RPL / Page 14

15 Control Box Components Ref. No. Part Number 26 Circuit Board, Mark IV 3 until 3/ Circuit Board, Mark IV, DC 4 3/05 & later K Circuit Board, Electromechanical N/S Circuit Board, Microtech Stand-Off Stand-Off N/S Stand-Off N/S Nut, Nylon Nut, Nylon Nut, Nylon Control Box Low Voltage Guard Mount, P.C. Board Contactor, Compressor 1, Contactor, Compressor 1, Contactor, Compressor 1,2, N/S Contactor, Compressor Contactor, Compressor 1, Relay, Fan 1, Relay, Fan 1,2, N/S Relay, Fan Cup Washer, Ground Screw N/S = Not shown on diagram 1 Electromechanical Control units only. (Units with Model No. Digit 8 = E). 2 Microtech Control units only.(units with Model No. Digit 8 = C). 3 Mark IV Control units only. (Units with Model No. Digit 8= M). 4 Mark IV Control units - When replacing reversing valve and/or coil refer to Service Bulletin WS-SB Continued on next page. WSHP; CCH, CCG & CCW, Sizes 048 & 060, Vintage A Rev. B 06/15 RPL / Page 15

16 Control Box Components- Continued Ref. No. Part Number 35 Relay, Random Start 1, Relay, Random Start 1, Relay, Shutdown 1, Relay, Night Setback 1, Relay, Demand Control, Bd Galt 1, Relay, Auxiliary N/S Relay, Timed Output N/S Relay, Boilerless System N/S Relay, Fresh Air Damper N/S Relay, Motorized Valve Angle Bracket Terminal Block N/S Terminal Block 2 3-Pole N/S Terminal Block 2 4-Pole End, Terminal Block Terminal Lug Transformer 1,2,3 208/240V - 24V Transformer 1,2,3 480V - 24V Transformer 1,2,3 575V - 24V N/S Transformer 2 9V -24V N/S Air & Water Temperature Sensor 2 until 12/99 4EZS Air & Water Temperature Sensor 2 12/99 & later N/S Clamp, Sensor N/S Circuit Breaker N/S = Not shown on diagram 1 = Electromechanical Control units only. (Units with Model No. Digit 8 = E). 2 = Microtech Control units only. (Units with Model No. Digit 8 = C). 3 = Mark IV Control units only. (Units with Model No. Digit 8 =M). 4 = Only on units with Random Start Relay Option. 5 = Only on units with Shutdown Relay Option. 6 = Only on units with Night Setback Option. 7 = Only on units with Demand Control Option. 8 = Only on units with Auxiliary Relay Option. WSHP; CCH, CCG & CCW, Sizes 048 & 060, Vintage A Rev. B 06/15 RPL / Page 16

17 Critical Daikin Applied OEM Parts Are What Your HVAC Unit Needs! McQuay Ceiling Concealed Horizontal Water Source Heat Pump CCH, CCG, CCW 048 Vintage A Critical Components Model Unit Size Voltage Part Number Control Control Board, Mark IV, DC ALL 048 N/A K Control Board, Electromechanical ALL 048 N/A Control Board, Microtech ALL 048 N/A Compressor Compressor CCH, CCG Compressor CCW K Compressor CCH, CCG Compressor CCW K Compressor CCH, CCG Compressor CCW K Compressor CCH, CCG Compressor CCW Compressor CCH, CCG Fan Motor Motor, 3/4 HP ALL / Motor, 3/4 HP ALL Motor, 3/4 HP ALL Motor, 3/4 HP ALL Fan & Housing Assembly Blower Housing & Wheel ALL 048 N/A Wheel- Blower ALL 048 N/A Sensor Air & Water Temp Sensor ALL 048 N/A Call Your Local Daikin Applied Parts Distributor For All Your Parts Needs. To Locate A Distributor, Go To or Call PARTS Rev. B 06/2015 CPL Page 1 of 2

18 Critical Daikin Applied OEM Parts Are What Your HVAC Unit Needs! McQuay Ceiling Concealed Horizontal Water Source Heat Pump CCH, CCG, CCW 060 Vintage A Critical Components Model Unit Size Voltage Part Number Control Control Board, Mark IV, DC ALL 060 N/A K Control Board, Electromechanical ALL 060 N/A Control Board, Microtech ALL 060 N/A Compressor Compressor CCW Compressor CCH, CCG Compressor CCH, CCG Compressor CCW Compressor CCH, CCG Compressor CCW Compressor CCH, CCG Compressor CCW Compressor ALL Fan Motor Motor, 3/4 HP ALL / Motor, 3/4 HP ALL Motor, 3/4 HP ALL Motor, 3/4 HP ALL High Static Motor, 3/4 HP ALL / High Static Motor, 3/4 HP ALL High Static Motor, 3/4 HP ALL High Static Motor, 3/4 HP ALL Fan & Housing Assembly Blower Housing & Wheel ALL 060 N/A Blower Housing & Wheel, High Static Assy ALL 060 N/A Wheel- Blower ALL 060 N/A Wheel- Blower, High Static Assy ALL 060 N/A Sensor Air & Water Temp Sensor ALL 060 N/A Call Your Local Daikin Applied Parts Distributor For All Your Parts Needs. To Locate A Distributor, Go To or Call PARTS Rev. B 06/2015 CPL Page 2 of 2