McQuay. Ceiling Concealed Water Source Heat Pump. CCH, CCG, CCW 015, 019 Vintage A. Last Manufactured: 1995

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1 Replacement Parts List No Revision C 08/2017 McQuay Ceiling Concealed Water Source Heat Pump CCH, CCG, CCW 015, 019 Vintage A Last Manufactured: 1995 To find your Daikin Applied parts distributor, call or visit

2 Contents Parts List Revision History...3 Nomenclatures Serial Number...4 Model Number...4 Field Installed Accessories Thermostats and Subbases for Electromechanical Control Units...5 Thermostats and Subbases for Mark IV Control Units...5 Thermostat Accessories...6 Hoses & Valves...6 Filters and Filter Components...6 Unit Accessories...7 Refrigeration Circuit Diagram...8 Components...9, 10 Fan and Housing Assembly Control Box Standard Control Layout- 60 HZ...12 Standard Control Layout- 50 HZ...13 Components...14, 15 Critical Parts List...CPL1 WSHP; CCH,CCG,CCW Vintage A Rev. C 08/17 RPL / Page 2

3 Parts List Revision History Rev. Date A 02/99 Page 3 - Added Revision History page. Page 16 - Corrected part number for Control Box (Bub. Num. 29). B 01/13 Reformat to current standards. Change p/ns to 9 Digits. Page 4- Added Serial Number February, 1999 and Later. Page 18- Delete sheet metal note & replace with- Sheet metal is obsolete. Field fabricate. CPL1- Add Critical Parts List. C 08/17 Pages Combine on one page & delete one page. Pages Delete pages- Sheet metal. CPL1- Change motor p/n to V from 460/60/3V. Delete Refrigeration Circuit. Daikin Applied, Industrial Park Blvd., P.O. Box 1551, Minneapolis, MN (763) WSHP; CCH,CCG,CCW Vintage A Rev. C 08/17 RPL / Page 3

4 Nomenclature Serial Number 7 8 A Plant Identification Number 7 = Auburn Year Manufactured S = 1987 T = 1988 U = 1989 V= 1990 W= 1991 X= 1992 Y= 1993 Z= = 1995 Engineering Revision Serial Number Month Manufactured A=January G= July B=February I=August C=March J=September D= April K=October E= May L=November F= June M=December CCH 015A E G S Digits 1-3 Model Type CCH= Ceiling Concealed Water Source Heat Pump CCG= Ceiling Concealed Cooling Only CCW= Ceiling Concealed Extended Range Heat Pump Digits 4-7 Unit Size / Vintage 007A = 7,000 Nominal Cooling Btuh 009A = 9,000 Nominal Cooling Btuh 012A = 12,000 Nominal Cooling Btuh 015A = 14,000 Nominal Cooling Btuh 019A = 19,000 Nominal Cooling Btuh 024A = 24,500 Nominal Cooling Btuh 030A = 30,000 Nominal Cooling Btuh 036A = 35,000 Nominal Cooling Btuh 042A = 41,000 Nominal Cooling Btuh 048A = 48,000 Nominal Cooling Btuh 060A = 61,000 Nominal Cooling Btuh Model Number Digit 10 Return Air Arrangement S = Straight Discharge E = End Discharge Digit 9 Voltage A = 115/60/1 G = 208- N = F = /60/3 T = 460/60/3 W = 575/60/3 J = Q = 380/50/3 Digit 8 Control System E= Electromechanical Control M= Mark IV Control C= MicroTech Control WSHP; CCH,CCG,CCW Vintage A Rev. C 08/17 RPL / Page 4

5 Field Installed Accessories Thermostats & Subbases for Electromechanical Control Units 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." 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" switch and fan "On-Auto" switch. Requires minimum of 6 wires. Thermostat 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) (Includes subbase) Thermostats & Subbases for Mark IV Control Units 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 & SUB- Thermostat BASE. 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. LED Thermostat for "Service." Mounts horizontal. Requires grounding of unit "U" terminal. Night setback bulb set 8 o F below day heat setpoint. Night setup bulb set Subbase 6 o F above day cool setpoint. System "Off-Auto" switch and fan "On-Auto- Override" switch. STANDARD AUTOMATIC CHANGEOVER THERMOSTAT & SUBBASE FOR OPERATING TWO UNITS. Honeywell T874/Q674. LED for "Service." Mounts horizontal. System "Off-Auto" switch (Includes subbase) Thermostat Thermostat 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) WSHP; CCH,CCG,CCW Vintage A Rev. C 08/17 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 w/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. OVERRIDE TIMER - 1 HOUR. OVERRIDE TIMER - 6 HOUR. Part Number Hoses & Valves Part Number STANDARD SUPPLY OR RETURN HOSE. Rubber hose with MPT 2' long, 1/2" I.D swivel hydraulic fittings on each end. Order two per unit. 3' long, 1/2" I.D FIRE RATED SUPPLY OR RETURN HOSE. Stainless steel, braided 2' long, 1/2" I.D hose with one MPT and one MPT swivel fitting. Order 2 per unit. 3' long. 1/2" I.D CONDENSATE HOSE ASSEMBLY. Requires trap by others. Order Clear plastic, 38" long 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 1/2" FPT stop. Order two per unit. Filters & Filter Components Part Number 2" THICK THROWAWAY FILTER. Fits into 2" thick filter rack. Must order in multiples of " THICK THROWAWAY FILTER. Replacement for standard filter. Must order in multiples of " THICK CLEANABLE FILTER. Must order in multiples of " THICK PLEATED FILTER, 35% EFFICIENT. Must order in multiples of RETURN AIR DUCT COLLAR & TWO INCH FILTER RACK WSHP; CCH,CCG,CCW Vintage A Rev. C 08/17 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 operation and to not allow all units to start at the same time. 460, 575V 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 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. 1/2" FPT Relay only (3 req'd.per unit) Part Number Kit with bleed port Valve only with bleed port Kit without bleed port Valve only w/o bleed port Kit Relay only WSHP; CCH,CCG,CCW Vintage A Rev. C 08/17 RPL / Page 7

8 Refrigeration Circuit Diagram TO WATER REGULATING VALVE (OPTION) WSHP; CCH,CCG,CCW Vintage A Rev. C 08/17 RPL / Page 8

9 Refrigeration Circuit Components Bub. Num. Part Number 1 Compressor BTUH Compressor BTUH Compressor 1, BTUH Compressor 1,2 Bristol A A 1 Compressor 3 Bristol A A 1 Compressor 1,2 Bristol B 1 Compressor 3 Bristol B 1 Compressor Bristol C 1 Compressor 1,2 Tecumseh A A 1 Compressor 1,2 Tecumseh B N/S Plug, Threaded 1/2" Red N/S Compressor Overload N/S Compressor Overload N/S Capacitor, Compressor 25 Mfd, 370V N/S Capacitor, Compressor 25 Mfd, 440V N/S Capacitor, Compressor 30 Mfd, 370V N/S Bracket, Capacitor N/S Bracket, Capacitor Coaxial Coil, (Wate To Refrig.) 1,2 Copper 2 Coaxial Coil, (Wate To Refrig.) 1,2 Copper Coaxial Coil, (Wate To Refrig.) 3 Cupronickel Coaxial Coil, (Wate To Refrig.) 1,2 Copper Coaxial Coil, (Wate To Refrig.) 3 Cupronickel Fin Tubular Coil (Air To Refrigerant) Fin Tubular Coil (Air To Refrigerant) N/S = Not shown on diagram Continued on next page. * Used with Bristol compressors. 1 = CCH 2 = CCG 3 = CCW a Standard Range Units: Bristol compressor used starting with Serial Number 7TA27218, Tecumseh used prior to this S/N. Extended Range Units: Bristol compressor always used. b Standard Range Units: Bristol compressor used starting with Serial Number 7TA29952, Tecumseh used prior to this S/N. Extended Range Units: Bristol compressor always used. c Standard and Extended Range Units: Bristol compressor always used. NOTE: Bristol compressor may be used to replace equivalent Tecumseh compressor (minor piping change and Bristol compressor mounting hardware required). WSHP; CCH,CCG,CCW Vintage A Rev. C 08/17 RPL / Page 9

10 Refrigeration Circuit Components Bub. Num. Part Number 4 Capillary 33 x.064 x Capillary 22 x.064 x Strainer Strainer Reversing Valve Solenoid, Reversing Valve 24V Switch, High Pressure Thermostat, Low Temp Cutout 1,2, Thermostat, Low Temp Cutout 1, Thermostat, Low Temp Cutout Speed Clip, Thermostat Accumulator Accumulator N/S Flanged Nut, Compressor Mounting * N/S Grommet, Compressor Mounting * N/S Grommet, Compressor Mounting * N/S Sleeve, Compressor * N/S Sleeve, Compressor * N/S Sleeve, Compressor * N/S Spacer, Lower, Compressor Mounting * N/S Spacer, Top, Compressor Mounting * N/S Spring, Compressor Mounting * N/S Flanged Nut, Compressor Mounting ** N/S Sleeve, Compressor Grommet ** N/S Grommet, Compressor Mounting ** N/S Grommet, Compressor Mounting ** N/S Retainer Washer, Compressor Mounting ** N/S Spring, Compressor Mounting ** N/S Washer, Compressor Mounting ** N/S Drain Pan N/S Water Regulating Valve 1,2, N/S Water Regulating Valve 1,2, N/S = Not shown on diagram * Used with Bristol compressors. ** Used with Tecumseh compressors. 1 = CCH 2 = CCG 3 = CCW 4 = Standard Construction units only. 5 = Extra Quiet Construction Units only. (Optional). 6 = Only on units with Water Regulating Valve Option. WSHP; CCH,CCG,CCW Vintage A Rev. C 08/17 RPL / Page 10

11 Fan and Housing Assembly STRAIGHT DISCHARGE IS STANDARD END DISCHARGE SAME AS STANDARD EXCEPT ROTATED Bub. Num. Part Number 15 Motor, 1/8 HP Motor, 1/8 HP Motor, 1/8 HP N/S Motor Mount Kit Capacitor 3 MFD, 370V Bracket, Capacitor Blower Housing, Weldment Inlet Ring Wheel, Blower Support Bracket Protector, Terminal N/S = Not shown on diagram. WSHP; CCH,CCG,CCW Vintage A Rev. C 08/17 RPL / Page 11

12 Control Box Standard Control Layout- 60 HZ FRONT VIEW SIDE VIEW WSHP; CCH,CCG,CCW Vintage A Rev. C 08/17 RPL / Page 12

13 Control Box Standard Control Layout- 50 HZ FRONT VIEW SIDE VIEW WSHP; CCH,CCG,CCW Vintage A Rev. C 08/17 RPL / Page 13

14 Control Box Components Bub. Num. Part Number 26 Control Board, Mark IV Control Board, Electromechanical K N/S Control Board, Microtech N/S Sensor Assy. Water Temperature 1 4EZS N/S Clamp Stand-Off Stand-Off N/S Stand-Off Nylon Nut Nylon Nut N/S Nylon Nut Control Box Low Volt Guard Contactor, Compressor 1, Contactor, Compressor 1, Contactor, Compressor 1, Contactor, Compressor 1, N/S Contactor, Compressor N/S Contactor, Compressor Relay, Fan 1, N/S Relay, Fan Cup Washer, Ground Screw Relay, Random Start 1, Relay, Shutdown 1, N/S = Not shown on diagram 1 Electromechanical Control units only. (Units with Model No. Digit 8 = E). 2 MicroTech Control units only. 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. Continued on next page. WSHP; CCH,CCG,CCW Vintage A Rev. C 08/17 RPL / Page 14

15 Control Box Components Bub. Num. Part Number 37 Relay Night Setback 1, Relay, Demand Control, BD Galt 1, Relay, Auxilliary Angle Bracket N/S Relay, Timed Output N/S Relay, Boilerless System N/S Relay, Fresh Air Damper N/S Relay, Motorized Valve N/S Terminal Block 2 3-Pole N/S Terminal Block 2 4-Pole N/S Terminal Block 2 5-Pole N/S End, Terminal Block N/S Terminal Board Terminal Lug Transformer 1,2,3 208/240V-24V Transformer 1,2,3 265V-24V N/S Transformer 2 24V N/S Circuit Breaker N/S Condensate Overflow Switch N/S Condensate Overflow Wire 2, N/S = Not shown on diagram 1 Electromechanical Control units only. (Units with Model No. Digit 8 = E). 2 MicroTech Control units only. 3 Mark IV Control units only. (Units with Model No. Digit 8 = M). 4 Only on units with Night Setback Option. 5 Only on units with Demand Control Relay Option. 6 Only on units with Auxiliary Relay Option. WSHP; CCH,CCG,CCW Vintage A Rev. C 08/17 RPL / Page 15

16 Critical Daikin Applied OEM Parts Are What Your HVAC Unit Needs! McQuay WSHP, Ceiling Concealed CCH, CCG, CCW 015, 019 Vintage A Critical Components Unit Sizes Voltage Part Number Controls Control Board, MicroTech ALL ALL Control Board, Mark IV ALL ALL Control Board, Electromechanical ALL ALL Compressor Compressor Compressor Compressor Compressor, Bristol (CCH, CCG) Compressor, Bristol (CCW) Compressor, Bristol (CCH, CCG) Compressor, Bristol (CCW) Compressor, Bristol Compressor, Tecumseh Compressor, Tecumseh Fan Motor Motor, 1/8HP ALL Motor, 1/8HP ALL Motor, 1/8HP ALL Fan Housing & Wheel Assembly Blower Housing ALL N/A Wheel, Blower ALL N/A Call Your Local Daikin Applied Parts Distributor For All Your Parts Needs. To Locate A Distributor, Go To or Call PARTS Rev. C 08/2017 CPL Page 1 of 1