McQuay. Console Water Source Heat Pump. CWC, CWG, CWH, CWJ, CWK Vintage B. Last Manufactured: 1994

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1 Replacement Parts List No Revision B 02/2017 McQuay Console Water Source Heat Pump CWC, CWG, CWH, CWJ, CWK Vintage B Last Manufactured: 1994 To find your Daikin Applied parts distributor, call or visit

2 Contents Part List Revision History...3 Nomenclature Serial Number...4 Model Number Refrigeration & Motor Section Control Section Cabinet Section Subbase and Backwrap Assembly...12 Field Installed Accessories Electric Heat Assembly...13 Motorized Water Regulating Valve Assembly and Fused Disconnect Assembly Motorized Damper Assembly...16 Hoses, Thermostats & Subbase...17 Thermostat Accessories, Control Accessories...18 Note: For parts information on MicroTech Loop Water Controller model LWC, refer to RPL WSHP; CWC,CWG,CWH,CWJ,CWK Vint. B Rev. B 02/17 RPL / Page 2

3 Parts List Revision History Revision Date Description New 2/93 New A 05/09 Add Revison History & Contents pages. Add unit description footer to all pages. Page 6 - Remove compressor vendor numbers. Page Convert all p/ns to current format. B 02/17 Rebrand to Daikin format. Page 4-5 Add code for Model Number. Pages 6-7 Change Ref numbers to N/S. Daikin Applied, Industrial Park Blvd., P.O. Box 1551, Minneapolis, MN (763) WSHP; CWC,CWG,CWH,CWJ,CWK Vint. B Rev. B 02/17 RPL / Page 3

4 Nomenclature Serial Number 7 U A Plant Identification Number 7 = Auburn Year Manufactured S = 1987 T = 1988 U = 1989 Etc. 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 Model Number CMH 015 B M N L FB H ACC A NSB SRL R AR Code Y RFD L M Y T M A A S F L YS Code Code 01: Model Type CWC= Heat Pump, Chassis CWG= Cooling Only Unit CWH= Heat Pump Unit CWJ= Cooling Only Chassis CWK= Cabinet Only Code 02: Unit Size 60 Cycle 015= BtuH Nominal Cooling 019= BtuH Nominal Cooling 50 Cycle 013= 6000 BtuH Nominal Cooling 016= 8000 BtuH Nominal Cooling Code 03: Design/Vintage B= Vintage B Code 04: Control System E= Electromechanical Controls M= Mark IV Controls C= MicroTech Unit Controller Code 05: Voltage G= /60/1 wired for 208V J= 230/50/1 N= 265/60/1 V= /60/1 wired for 230V Code 06: Piping Hand L= Left Hand R= Right Hand Code 07: Discharge Grille/Cabinet Type FS= Flat Top- One Piece Steel Grille FB= Flat Top- Steel Bar Grille FM= Flat Top- Steel Modular Grille, 5" X 5" SB= Slope Top- Steel Bar Grille DC= Duct Collar SP= Slope Top- Plastic Grille NF= No Front Part Of cabinet- Flat Top NS= No Front Part Of cabinet- Slope Top Code 08: Cabinet Height H= High Sill- 25" High L= Low Sill- 22.5" High Code 09: Thermostat Control AAC= Auto Changeover- Continuous Fan MMC= Manual Changeover- Continuous Fan RMC= Remote Thermostat or Slave Unit Control ACF= Auto Changeover- Cycle Fan MCF= Manual Changeover- Cycle Fan MTC= MicroTech w/tenant Setpoint Adjustment MRT= MicroTech Remote Wall Sensor YY Code 10: Construction Type A= Standard E= Extra Quiet Continued on next page. WSHP; CWC,CWG,CWH,CWJ,CWK Vint. B Rev. B 02/17 RPL / Page 4

5 Nomenclature Code 11: Night Control LLC= Low Limit Control NSB= Night Setback NWR= Night Setback with Override LNS= Low Limit & Night Setback LNR= Low Limit & Night Setback with Override NST= Night Setback & Thermostat LLT= Low Limit Thermostat NLT= NSB & LLC & Thermostat MTR= Tenant Override Button YY Code 12: Electromechanical Relays SRL= Shutdown Relay, 24V SRH= Shutdown Relay, 115V LSR= Load Shed Relay, 24V YY Code 13: Starting Relay R= Random Start/Anti Short Cycle Code 14: Additional Relays AR= Auxiliary Relay SR= Status Relay AS= Auxiliary & Status Relay MR= MicroTech Output Relay MS= Master Slave Relay Y Code 15: Power Connection J= Junction Box, 2 X 4 P= Plug Cord C= Conduit, 18 to Reach Box Code 16: Cabinet Electrical RYY= Box with Receptacle Only RFY= Box with Receptacle & Fuses RFD= Box with Receptacle/Fuses/Switches BDF= Box with Fuses & Disconnect BDY= Box with Disconnect JBC= Deep Junction Box, 2 X 4 X 2 ⅛ YY Code 17: Freeze Protection L= Leaving Water Temp Cutout Thermostat Code 19: Boilerless System A= 1.0 KW at or 0.62 KW at 208V B= 2.0 KW at or 1.23 KW at 208V C= 3.0 KW at or 1.85 KW at 208V D= 3.0 KW at 208V Code 20: Filter T= Throwaway C= Cleanable Code 21: Outside Air D= Manual M= Motorized Code 22: Access Door A= Standard K= Keylocked Access Door Code 23: Water Connection A= Sweat, ⅝ O.D. F = Female NPT Fitting, ½ Code 24: Coaxial Heat Exchanger S= Copper Inner Tube C= Cupro-Nickel Inner Tube Code 25: Finished Back Panel F= Finished Back Panel Code 26: Paint L= Standard Antique Ivory/Oxford Brown Code 27: Refrigerant Valve YS= Water Regulator Valve Y Code 28: Logo & Nameplate Designation Code 20: Agency Listing Code 21: Warranty Code 22: Packaging Code 23: Miscellaneous Code 18: Water Flow Control M= Motorized Valve, NC N= Motorized Valve, NO W= Water Regulating Valve WSHP; CWC,CWG,CWH,CWJ,CWK Vint. B Rev. B 02/17 RPL / Page 5

6 Refrigeration & Motor Section Components BUB. NO. DESCRIPTION FIELD REF. NO. PART NO. N/S COMPRESSOR N/S COMPRESSOR N/S COMPRESSOR N/S COMPRESSOR N/S OVERLOAD, COMPRESSOR N/S OVERLOAD, COMPRESSOR N/S OVERLOAD, COMPRESSOR N/S OVERLOAD, COMPRESSOR N/S CAPACITOR, COMPRESSOR 25MFD/370V N/S CAPACITOR, COMPRESSOR 25MFD/440V N/S BRACKET, CAPACITOR, COMPRESSOR N/S NUT COMPRESSOR MOUNT N/S GROMMET, COMPRESSOR MOUNT N/S SLEEVE, COMPRESSOR MOUNT N/S REVERSING VALVE N/S SOLENOID COIL, REVERSING VALVE N/S COAXIAL COIL (WATER TO REFRIGERANT) N/S COAXIAL COIL (WATER TO REFRIGERANT) N/S COAXIAL COIL (WATER TO REFRIGERANT) CU/NI N/S COAXIAL COIL (WATER TO REFRIGERANT) CU/NI N/S SUPPORT, FIN TUBULAR COIL, RIGHT SIDE N/S SUPPORT, FIN TUBULAR COIL, LEFT SIDE N/S CONDENSATE PAN N/S CONDENSATE PAN N/S FIN TUBULAR COIL (AIR TO REFRIGERANT) N/S FIN TUBULAR COIL (AIR TO REFRIGERANT) N/S CAPILLARY TUBE.0541.D x.106 OD x N/S CAPILLARY TUBE N/S STRAINER N/S STRAINER/DISTRIBUTOR N/S= Not Shown. WSHP; CWC,CWG,CWH,CWJ,CWK Vint. B Rev. B 02/17 RPL / Page 6

7 Refrigeration & Motor Section Components, Continued BUB. NO. DESCRIPTION FIELD REF. NO. PART NO. N/S FUSIBLE PLUG N/S FITTING, FUSIBLE PLUG N/S VALVE SCHRADER N/S SWITCH, HIGH PRESSURE N/S THERMOSTAT, LOW TEMP. CUTOUT N/S CLIP, THERMOSTAT N/S FAN DECK N/S FAN HOUSING, DISCHARGE HALF N/S FAN HOUSING, ACCESS HALF N/S WHEEL, BLOWER N/S MOUNT, MOTOR N/S CLIP, MOTOR MOUNT N/S FAN MOTOR N/S FAN MOTOR N/S CAPACITOR, MOTOR 4MFD/370V N/S CAPACITOR, MOTOR 5MFD/370V N/S BRACKET, CAPACITOR, MOTOR N/S CLIP, COMPRESSION RING N/S= Not Shown. WSHP; CWC,CWG,CWH,CWJ,CWK Vint. B Rev. B 02/17 RPL / Page 7

8 Control Section Remote Control Mark IV Only Std. Mark IV Remote Electromechanical BUB. NO. DESCRIPTION FIELD REF. NO. PART NO. 362 PANEL, TOP, CONTROL BOX 2 MICROTECH PANEL, TOP, CONTROL BOX 1 MICROTECH PANEL, TOP, CONTROL BOX 1 STANDARD PANEL, TOP, CONTROL BOX 2 STANDARD MOUNTING PLATE, THERMOSTAT PANEL, END, CONTROL BOX PANEL, END, CONTROL BOX TERMINAL BOARD THERMOSTAT, ACO THERMOSTAT, MCO = Slope Top Units Only 2 = Flat Top Units Only WSHP; CWC,CWG,CWH,CWJ,CWK Vint. B Rev. B 02/17 RPL / Page 8

9 Control Section Continued BUB. NO. DESCRIPTION FIELD REF. NO. PART NO. 375 SWITCH, ROCKER KNOB, THERMOSTAT KNOB, THERMOSTAT, MICROTECH CONTROL BOARD, MARK CONTROL BOARD, ELECTROMECHANICAL SWITCH, TAPTOUCH, 2 BUTTON SWITCH, TAPTOUCH, 4 BUTTON ESCUTCHEON PLATE, 2 BUTTTON, AUTO ESCUTCHEON PLATE, 2 BUTTON, MANUAL ESCUTCHEON PLATE, 4 BUTTON, AUTO W/OVERRIDE ESCUTCHEON PLATE, 4 BUTTON, MANUAL W/OVERRIDE ESCUTCHEON PLATE, 2 BUTTTON, REMOTE STAT SWITCH, LOW TEMPERATURE SWITCH, MOMENTARY CIRCUIT BOARD, SHUTDOWN RELAY RELAY, AUXILIARY RELAY, BOILERLESS SYSTEM ELECTRIC HEAT RELAY, HEATER BRACKET PLUG, 15 PIN TERMINAL BOTTOM, CONTROL BOX SWITCH, STANDBY ELEC. HEAT, BOILERLESS SYSTEM TERMINAL STRIP, MARK 4 & REMOTE T STAT ELEC. MECH TERMINAL STRIP, REMOTE T STAT, MARK 4 ONLY RELAY, MOTORIZED VALVE RELAY, MOTORIZED VALVE RELAY, MOTORIZED VALVE TRANSFORMER - 24V TRANSFORMER - 24V = Slope Top Units Only 2 = Flat Top Units Only 3 = Night Setback Control Components WSHP; CWC,CWG,CWH,CWJ,CWK Vint. B Rev. B 02/17 RPL / Page 9

10 Cabinet Section Diagrams Flat Top Cabinet Diagram Door frame oriented for left-hand piping unit. Door frame oriented for right-hand piping unit. Slope Top Cabinet Diagram Door frame oriented for left-hand piping unit. Door frame oriented for right-hand piping unit. WSHP; CWC,CWG,CWH,CWJ,CWK Vint. B Rev. B 02/17 RPL / Page 10

11 Cabinet Section Components BUB. NO. DESCRIPTION FIELD REF. NO. PART NO. 601 PANEL, FRONT PANEL, FRONT PANEL, LEFT END PANEL, LEFT END PANEL, RIGHT END PANEL, RIGHT END PANEL, TIE PIECE PANEL, TIE PIECE GRILLE, PLASTIC GRILLE, STAMPED, ONE PIECE STEEL GRILLE, MODULAR 2 5x GRILLE, STEEL BAR FRAME, MODULAR GRILLE FRAME, DOOR, PLASTIC FRAME, DOOR, STEEL DOOR, PLASTIC DOOR, STEEL N/S DOOR, LOCKING (STEEL BAR) N/S DOOR, STANDARD (STEEL BAR) N/S LOCK & KEY N/S LOCK & KEY END CAP, -1" N/S PANEL, GRILLE FILLER (MODULAR) PANEL, LOCKING ACCESS DOOR PANEL, BLOCKOFF 1 (LEFT HAND ONLY) PANEL, BLOCKOFF 2 (LEFT HAND ONLY) N/S= Not Shown. 1 = Slope Top Units Only 2 = Flat Top Units Only WSHP; CWC,CWG,CWH,CWJ,CWK Vint. B Rev. B 02/17 RPL / Page 11

12 Subbase & Backwrap Assembly Subbase frame shown in left-hand piping position. Subbase frame shown in right-hand piping position. BUB. NO. DESCRIPTION FIELD REF. NO. PART NO. 605 PANEL, BACKRAP ASSEMBLY (EQU Unit) PANEL, BACKRAP ASSEMBLY (Standard Unit) FRAME, SUBBASE (HIGH SILL) PANEL, SUBBASE (LOW SILL, RIGHT HAND PIPING) PANEL, SUBBASE (LOW SILL, LEFT HAND PIPING) PANEL, SUBBASE (HIGH SILL) BACK PANEL, FINISHED (HIGH SILL) BACK PANEL, FINISHED (LOW SILL) N/S AIR FILTER, THROWAWAY (HIGH SILL) x 9.75 x N/S AIR FILTER, THROWAWAY (LOW SILL) x 6.75 x N/S AIR FILTER, CLEANABLE (HIGH SILL) x 9.75 x N/S AIR FILTER, CLEANABLE (LOW SILL) N/S= Not Shown. WSHP; CWC,CWG,CWH,CWJ,CWK Vint. B Rev. B 02/17 RPL / Page 12

13 Field Installed Accessories Control Box Electric Heat Assembly Key Description Part Number Heater, Dual Element, 1.0KW Heater, Dual Element, 2.0KW Heater, Dual Element, 3.0KW Heater, Dual Element, 3.0KW 208V Switch, Limit Plug, 2-Pin Receptacle, 2-Pin WSHP; CWC,CWG,CWH,CWJ,CWK Vint. B Rev. B 02/17 RPL / Page 13

14 Field Installed Accessories Continued Motorized Valve Assembly Diagram Water Flow Use Upper K.O. Fuse Disconnect Assembly Diagram Wire Diagram (On Inside of Access Cover) WSHP; CWC,CWG,CWH,CWJ,CWK Vint. B Rev. B 02/17 RPL / Page 14

15 Field Installed Accessories Continued Motorized Valve Assy and Fuse Disconnect Assy Key Description Part Number Water Regulating Valve Valve, Motorized, N.C., 120V Valve, Motorized, N.C., 277V Valve, Motorized, N.C., Valve, Motorized, N.O., 120V Valve, Motorized, N.O., 277V Valve, Motorized, N.O., Tube, Water Extension Tube, Adapter N/S Pressure Actuated Dual Acting Regulating Valve Fuse Disconnect Switch Assembly 691 Box, Fuse Disconnect Bracket, Fuse Disconnect Box Panel, Cover Panel, Fuse & Switch Holder, Fuse- 20A Holder, Fuse- 15A Fuse- 20A Fuse- 15A Receptacle, 20A, Receptacle, 20A, 250A Switch, On-Off Disconnect Rocker WSHP; CWC,CWG,CWH,CWJ,CWK Vint. B Rev. B 02/17 RPL / Page 15

16 Field Installed Accessories Continued Motorized Damper Assembly Key Description Part Number 803 Damper Box Box, Wire Door Assembly Motor, 115V Motor, 230V Motor, 277V Operating Arm Spring Hook Spring, Extension Bushing Switch, Override Toggle Door Link WSHP; CWC,CWG,CWH,CWJ,CWK Vint. B Rev. B 02/17 RPL / Page 16

17 Field Installed Accessories Continued Supply & Return Hoses. Includes 1/2" fitting, 2 per unit. Ball Valve. 1/2" FPT, 2 per unit. Cleanable Permanent Type Replacement Filters Description Unit Size Part Number 8" All Rubber 12" All " All " All Fire Rated 12" All " All All High Sill Low Sill All All Thermostats & Subbases. For Electromechanical Control Units. Code 03 Must Be E. Description 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 & fan "On-Auto" switch. Honeywell Chronotherm III Programmable Thermostat & Subbase (1 Stage Heat, 1 Stage Cool) Thermostat Subbase Part Number (Includes Subbase) Thermostats & Subbases. For Mark IV Control Units. Code 03 Must Be M. Description Standard Manual Changeover Thermostat & Subbase. Honeywell T834C with no LED. Mounts vertically. System "Heat-Off-Auto" switch & fan. "On-Auto" switch. Standard Automatic Changeover Thermostat & Subbase. Honeywell T874/Q674. LED for "Service." Mounts horizontal. System "Off-Auto" switch & fan "On-Auto" switch. Standard Manual Thermostat & Subbase. Honeywell T874/Q674. LED for "Service." Mounts horizontal. System "Off-Heat-Auto-Cool" switch & fan "On-Auto" switch. Deluxe Automatic Changeover Thermostat & Subbase with Night Setback & Override. Honeywell T874/Q674. LED for "Service." Mounts horizontal. Requires grounding of unit "U" terminal. Night setback bulb set 12 F below day heat setpoint. System "Off-Auto" switch & fan "On-Auto-Override" switch. Standard Automatic Changeover Thermostat & Subbase for Operating Two Units. Honeywell T874/Q674. LED for "Service."Mounts horizontal. R System "Off-Auto" switch. Honeywell Chronotherm III Programmable Thermostat & Subbase.(1 Stage Heat, 1 Stage Cool) Thermostat Subbase Thermostat Subbase Thermostat Subbase Thermostat Subbase Part Number (Includes Subbase) WSHP; CWC,CWG,CWH,CWJ,CWK Vint. B Rev. B 02/17 RPL / Page 17

18 Thermostat Accessories Field Installed Accessories Continued Description Part Number Universal Thermostat Guard. Honeywell TG512A. Clear plastic with ring base, lock and keys Programmable Thermostat Guard. Honeywell TG511A. Clear plastic with ring base, lock and keys Locking Control Access Cover Adapter Plate for T874/Q674 Thermostats. Allows for horizontal thermostat to be mounted on a vertical junction box Day Time Clock. (Not available for 50 cycle power) Includes spring carryover Override Timer 1 Hour Override Timer 6 Hour Control Accessories Description 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. Code 04 must be E. Relay is SPDT. Consumes 1.2 VA. 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. Contact rating is 3 amp at 24 volts. Multiple Unit Control Panel. Master and one slave. Allows master unit to be controlled by thermostat. Slave units "follow" with paralleled operation. Not recommended with Boilerless System. Do not use when Mark IV night setback, load shed, override or emergency shutdown logic is being used. Part Number WSHP; CWC,CWG,CWH,CWJ,CWK Vint. B Rev. B 02/17 RPL / Page 18