Westinghouse. Rooftop Heating and Cooling. IK 180 Vintage 0, 1, 2, 3, 4. Last Manufactured: 1975

Transcription

1 Replacement Parts List No Revision A 03/2003 Westinghouse Rooftop Heating and Cooling IK 180 Vintage 0, 1, 2, 3, 4 Last Manufactured: 1975 To find your Daikin Applied parts distributor, call or visit

2 Contents Parts List Revision History... 3 Nomenclature Unit Model Number... 4 Serial Number... 4 Basic Cooling Unit Assembly- Compressor, Condenser, Evaporator Diagram... 5 Components- Compressors and Accessories... 6 Components- Evaporator Section... 7 Components- Condenser Section... 8 Main Control Box... 9, 10 Electric Heat Components- Heaters, Temperature Cutout, Fused Link...11 Accessory Packages...11 Accessory Thermostat...11 Furnace- Natural Gas Until 3/ Furnace- Natural Gas Model PV-400D- 3/1978 and Later Damper and Economizer RPL / Page 2

3 Parts List Revision History Revision Date Description - 1/78 Updated from new RPL issued 10/73. A 03/03 Reformatted for electronic distribution. Added Parts List Revision History. Added model number and serial number nomenclature. Part numbers converted to current McQuay mitrol format. Added new art. Page 6- Ref. # 1 p/n for vintages /230V and 380/400/460V changed to CD090A0P & CD090A0Q respectively; p/n for vintages 3,4 208/230V and 380/400/460/575V changed to , and respectively. Ref. # 2 Added mounting kit for BR compressors. Ref. # 5 Added p/n for BR compressor CC Heaters , and for voltages 208/230V, 380/400/460V and 575V respectively. Page 7-2HP motor pulley 208/230/380/400/460V and 575V units changed to and respectively; 2HP fan pulley p/n changed to ; 2HP belt for vintages 0,1,2 p/n corrected to ; 3HP fan pulley p/n changed to ; 3HP motor pulley p/n changed to ; 5HP motor p/n changed to ; 230/460V motor p/n changed to ; 5HP motor pulley p/n changed to ; Fan wheel p/n changed to Page 8- Ref. # 4A p/n changed to Ref. # N/S steel washer p/n changed to Page 10- Ref. # 1 fuse holder 400/460/575v vintages 3,4 p/n changed to Ref. # 2 p/n changed to Ref. # 5,6 p/n changed to Ref. # 9 p/n changed to Ref. # 9A p/n changed to Ref. # 10 p/n changed to Ref. # 13 p/n changed to Page 11- Electric Heater fuses 240V, 480V p/n changed to and respectively. Page 12- Ref. # 9 p/n changed to Daikin Applied, Industrial Park Blvd., P.O. Box 1551, Minneapolis, MN (763) RPL / Page 3

4 Nomenclature Unit Model Number IK 180 A 4 V Unit Type IK= Rooftop Combination Heat & Cool- Westinghouse Capacity 180= 18,000 BTU Nominal Heater Code A= Cooling Only B= 1- Stage Furnace, Aluminized Heat Exchanger C= 2- Stage Furnace, Aluminized Heat Exchanger D= 1- Stage Furnace, Stainless Steel Heat Exchanger E= 2- Stage Furnace, Stainless Steel Heat Exchanger G= 1- Stage Electric Heat: 16 KW Nominal K= 2- Stage Electric Heat: 32 KW Nominal P= 3- Stage Electric Heat: 48 KW Nominal Q= 4- Stage Electric Heat: 64 KW Nominal Voltage N= 200/60/3 V= 230/60/3 R=460/60/3 D=575/60/3 F=380/400/50/3 Vintage Serial Number A R 1234 Month of Manufacture A= Jan. E= May I= Sep. B= Feb. F= Jun. J= Oct. C= Mar. G= Jul. K= Nov. D= Apr. H= Aug. L= Dec. Serial Number Year of Manufacture H= 1963 M= 1968 R= 1973 W= 1978 I= 1964 N= 1969 S= 1974 X= 1979 J= 1965 O= 1970 T= 1975 Y= 1980 K= 1966 P= 1971 U= 1976 Z= 1981 L= 1967 Q= 1972 V= 1977 A= 1982 RPL / Page 4

5 Basic Cooling Unit Assembly Compressor, Condenser, Evaporator Diagram 9C 9B 9A Control Box A RPL / Page 5

6 Basic Cooling Unit Assembly Compressors and Accessories Components Ref. Description Specification Part Vintage No. Number 0,1,2 3,4 1 Compressor 208/230/60/3 CD090 CD090A0P 2 380/400/50/3 & 460/60/3 CD090 CD090A0Q 2 Compressor 1 208/230/60/3 BRE TFC /400/50/3 & 460/60/3 BRE TFD /60/3 BRE TFE Mounting Components- CD Compressor 1 Bushing- Neoprene Spacer Washer- Neoprene Washer- Steel Cap Screw Mounting Components- Retrofit (BR) Compressor 1 Mounting Kit Mounting Components- CH Compressors Bushing- Neoprene Spacer Washer- Neoprene Washer- Steel Cap Screw Crankcase Heater- Retrofit (BR) Compressors 230V V V Crankcase Heater- CD Compressors 230V- CD Compressors V- CD Compressors Crankcase Heater- CH Compressors 230V- CH Compressor V- CH Compressor V- CH Compressor High Pressure Cutout 1HP & 2HP Thermostat- Low Refrigerant Temperature RT N/S Motor Protector- Retrofit (BR) Compressors N/S Transformer 200V to 230V N/A 1 380/400/460V to 230V V to 230V N/A 1 N/S= Not Shown on Diagram. N/A= Not Applicable. 1 These Copeland BR retrofit compressors require repiping and new mounting. If an original Westinghouse CH (vintages 3, 4) compressor is being retrofitted, order a mounting kit (Ref. # 2) as well. RPL / Page 6

7 Basic Cooling Unit Assembly Evaporator Section Components Ref. Description Specification Part Vintage No. Number 0,1,2 3, 4 6 Coil- 2 Circuit w/distributors & TXV Expansion Valve A Distributor- Upper Distributor- Lower N/S Orifice- Distributor N/S Wheel- Evaporator Fan N/S Shaft- Evaporator Fan N/S Bearing- Fan Shaft N/S Bearing Bracket- Fan Shaft N/S Housing- Evaporator Fan Drive End Opposite Drive End N/S Inlet Ring, Evaporator Fan- Both Housings N/S Fan Cutoff- Both Housings N/S Fan Motor- 2 HP 1750 RPM 200/60/ N/A 1 230/460/60/3 & 380/400/50/ /60/ N/A 1 Motor Pulley- 2 HP 200/230/380/400/460V Motor 1VP56 X 5/8" Motor Pulley- 2 HP 575V Motor 1VP56 X 7/8" N/A 1 Fan Pulley- 3 HP Motor BK80 X 1" Belt- 2 HP Motor B N/S Fan Motor- 3 HP 1750 RPM 200/60/ N/A 1 230/460/60/ Motor Pulley- 3 HP Motor 1VP56 X 1-1/8" Fan Pulley- 3 HP Motor BK80 X 1" Belt- 3 HP Motor N/S Fan Motor- 5 HP 1750 RPM 200/60/ N/A 1 230/460/60/ Motor Pulley- 5 HP Motor 1VP56 X 1-1/8" Fan Pulley- 5 HP Motor BK70 X 1" Belt- 5 HP Motor 200V Units N/A 1 230/460V Units N/S= Not Shown on Diagram. N/A= Not Applicable. 2 This is a retrofit coil and includes new TXV, distributors and orifices. The original coil used upper distributor p/n , lower distributor p/n and orifices RPL / Page 7

8 Basic Cooling Unit Assembly Condenser Section Components Ref. Description Specification Part Vintage No. Number 0,1,2 3, 4 8 Propeller- Condenser Fan A Motor- Condenser Fan All Voltages B Rain Shield- Condenser Fan Motor C Grille- Condenser Fan Grille- Condenser Fan Coils Upper Coil Lower Coil N/S Mounting Components- Condenser Fan Bracket- Motor 2- Arm Half Bracket- Motor 1- Arm Half Grommet Washer- Steel 1-1/4" OD x 3/8" ID Jam Nut 3/8" x Washer- Steel 1" OD x 7/16" ID Cap Nut 3/8" x N/S= Not Shown on Diagram. N/A= Not Applicable. 3 The original coil was a single two circuit assembly. To replace an original coil both the upper and lower coils listed above are required. Minor piping is required for retrofit. RPL / Page 8

9 Main Control Box Diagram Resistor B Fuses 1 HR 2 CR 5M A 1 2 D 3 S 4 M R UC HR 1 FR A 1A 3 3C _ UU AD CR 1 M 24V Fuse 3.2A 9 9A 10 2 M CAP 3A 3D ŽR Ž ŽH1 Ž ŽH2 Ž ŽC1 Ž ŽC2 Ž ŽG Ž ŽRM Ž ŽWM Ž ŽU Ž ŽX Ž TA 14 10L 17 20L 30L 40L 50L 60L CB 15 Ref. Sch. Description Specification Part Vintage No. Sym. Number 0,1,2 3, 4 1 Fuse Holder 200/230V /230V /460/575V /460/575V A Fuse Holder- 400/460/575V N/A 1 2 Fuse- 200/230V Fuse- 200/230V Fuse- 400/460/575V 10 Amp Fuse- 400'/460/575V 12 Amp N/A 3 2A Fuse- 400/460/575V 15 Amp N/A 1 N/A= Not Applicable. RPL / Page 9

10 Main Control Box Components, Continued Ref. Sch. Description Specification Part Vintage No. Sym. Number 0,1,2 3, 4 3 Power Block A Terminal Connection Terminal Connection B Terminal Block C Terminal Block Terminal Block D Terminal Block Terminal Block Resister- 50 OHM OHMITE 02000/E25-50A HR, 2HR Relay- Heating CR Relay- Cooling FR Relay- Fan Receptacle- Relay M Contactor- Indoor Fan Motor Fuse Holder 24V A Adapter Fuse 3.2A/24V CR Relay- Cooling M, 2M Contactor- Compressor CAP Capacitor- Cond. Fan Motor 5.7MFD/ 370V TA Thermostat- Low Ambient L- 60L Overload- Compressor 200/60/ N/A 6 208/230/60/ /230/60/ /400/50/3 & 460/60/ /400/50/3 & 460/60/ /60/ Transformer- Control 24V 45VA CB Circuit Breaker.15 Amp N/A= Not Applicable. RPL / Page 10

11 Electric Heat Components Heaters, Temperature Cutout, Fused Link Part Specification Part Description Number Booster Heater 240 V V Fuse Link Opens 283 F Contactor V Thermostat- Limit 170 Open/120 Close Buss Bar Terminal Connector Insulator 1-½" Long " Long ½" Long Fuses 240 V, 50 A V, 25 A Fuse Clips 250 V V Accessory Packages Part Part Description Number Time Delay Relay Kit Replacement Relay Only Fuse Box Door Interlock- 230V Replacement Solenoid Fuse Box Door Interlock- 460V Replacement Solenoid Outdoor Thermostat to Stage Electric Heater Replacement Thermostat Anti- Short Cycling Device Replacement Time Delay Relay Remote Control Center- Less Potentiometer Remote Control Center- With Potentiometer Potentiometer- 270 OHM Accessory Thermostat Part Part Description Number 1- Stage Cool Only Stage Cool/1- Stage Heat Stage Cool/2- Stage Heat Stage Cool Only Stage Cool/1- Stage Heat Stage Cool/2- Stage Heat RPL / Page 11

12 Furnace- Natural Gas Until 3/ Ref. Part Specification Part No. Description Number 1 Transformer- 24V BASO Y625A Fan Switch (THR) M-H # S876A Exhaust Switch (ER) M-H# R8225B Gas Valve- 1" BASO H91MG Pressure Regulator 1- Stage Maxitrol RV53-1" Stage Maxitrol SR600-1" Limit Control Sterling # 20400D Manual Valve- Main 1" Pilot Valve Essex Int'l 2 Pl Ignition Control BASO G19BG N/S Pilot Burner BASO J640DHA N/S Pilot Orifice N/S Thermocouple BASO K16CA N/S Igniter- Glow Coil BASO Y80AA N/S Burner Orifice (11 required) #44 Drill N/S Main Burner (11 required) order by description 4 N/S Switch- Pilot Pressure (GP) McQuay Norris 132-5CF N/S Ventor Assembly- Motor & Fan Fan Wheel Only Fan Motor Only JB5032NV N/S Control- Ventor N/S Heat Exchanger (2 Required) 250,000 BTUH Input Aluminized Stainless Steel N/S= Not Shown on Diagram. 4 Provide all information on furnace dataplate to ID burners. NOTE: There was an LP conversion kit (p/n ) available at one time. The kit and all of its components are discontinued and no longer available. RPL / Page 12

13 Furnace- Natural Gas Model PV-400D 3/1978 and Later Ref. Part Part No. Description Number 1 Gas Valve Valve- Manual Shutoff Ignition Control Probe Assembly Probe Lead Pilot Valve- 100% Shutoff Regulator Transformer Timer Switch Relay- Draftor Control- Ventor (Draftor Thermal Switch) Limit Control- Main Housing- Ventor Fan Wheel- Ventor Fan Motor- Ventor Fan Capacitor- Ventor Fan Motor High Limit Control N/S Heat Exchanger Stainless Steel Aluminized N/S= Not Shown on Diagram. RPL / Page 13

14 Damper and Economizer Ref. Part Specification Part No. Description Number 1 Relief Damper Assembly Grille- Relief Damper Return Air Damper Assembly Damper Arm- Return Air Damper Ball Joints- 2 Required Damper Motor- Proportional Control Penn M80BCA-1, 20VA, 24V Thermostat (2HT) MH L6008C; SPDT; F Thermostat (MAT) MH 7991A1004; F N/S Relay- SPDT RBM N/S Fresh Air Damper Assembly Grille- Relief Damper Damper Arm- Fresh Air Damper N/S= Not Shown on Diagram. RPL / Page 14