Replacement Parts List No. 779200800 Revision C 04/2002 McQuay Climate Control Singer Rooftop Unit ER, R 250 Vintage C, D Last Manufactured: 1996 To find your Daikin Applied parts distributor, call 1-800-377-2787 or visit www.daikinapplied.com
Contents Parts List Revision History... 3 Nomenclature Serial Number Prior to 1988... 4 Electrical Controls Function, Schematic Symbol, Location... 5 Unit Layout & Panels... 6 Filter Flag (Option D), Firestat, Liquid Line Solenoid Valve, Suction Line Filter... 6 Refrigeration Section Compressor, HP Switch, LP Switch, Condenser Coil Fan & Motor, Condenser Pressure Switch, TXV, Drier, Hot Gas Bypass... 8 Gas Heat Section Burner Assy, Pilot & Electrode, Gas Valve, Ventor, Limit Switch, Sight Glass... 9 Heat Exchangers... 10 Gas Valves... 10 Hydronic Heat... 10 Electric Heat Section...11-14 Economizer Components (Options G & X)... 15 Power Exhaust Blower (Option 6)... 16 VAV (Option 9)... 17 Tracking Damper (Option T)... 17 Power Return Blower (Option 7)... 18 Controls Compressor Contactor, Blower Motor Contactor, Terminal Blocks, Fan Motor Capacitors, Transformer, Guard-A-Matic, Relay, Unit Fuses... 19, 20 Daikin Applied, 13600 Industrial Park Blvd., P.O. Box 1551, Minneapolis, MN 55440 (763) 553-5330 Rooftop Unit; ER,R 250 Vintages C, D Rev. C 04/02 RPL 7792008 / Page 2
Parts List Revision History Revision Date Description -- 9/1986 Last Revision from Red Bud A 3/2002 Converted to electronic format. Part numbers converted to current McQuay Style. All new drawings used. Added model number and serial number nomenclature definitions. Added Electrical controls table. Added nomenclature options to headings. Added condenser panel assembly and latch, right hand electrical panel, left hand electrical panel, top panels for condenser and blower section, corner posts, separator panel, filter access panels, blower shelf and shelf support, evaporator blower housing and cutoff plate, compressor overload module, totally- enclosed condenser motor, condenser motor mount screws and washers, compressor vibration pads, hot gas bypass components, ventor motor mount, heat exchang ers, steam coil, hot water coil, drain pan, bracket for electric heaters, power saver thermostat, economizer rainhood and clips, power exhaust assembly components, VAV assembly, VAV null switch, tracking damper and tracking damper motor/crank arm, power return blower assembly illustration, discharge air stat and sensor, morning warm up stat and time delay. Corrected or updated part numbers for return air firestat, liquid line solenoid valve and coil, suction line filter, freezestat, blower shaft key, evaporator blower bearing, evaporator motors, blower motor and fan sheaves and belts, compressor and crankcase heater, high pressure switch, oil pressure switch, filter drier, sight glass, condenser fan blade, condenser fan motor, condenser pressure switches, expansion valve, pilot and electrode assy (vintage D units), ignition controls, fan limit control (vintage D units), ventor blower housing, electric heat contactors and fuses, power return components, 460V 500VA and 300VA transformers, control transformer, compressor contactor, condenser fan motor contactor, blower motor contactors, guard-a-matic, condenser fan relay, blower motor overload relays and heaters, blower motor fuses, control fuses. B 4/2002 Page 16 - Power Exhaust Blower diagram: bub #99 was corrected to #98. C 4/2002 Page 8 - Condenser Fan Motor was incorrectly stated as 1/3hp and is now 1-1/2hp. Page 18 - Blower Motor is incorrect, it is now 5hp and the correct pn is 071140701. Page 20 - Bub. #38 is corrected to read quantity of 3. Daikin Applied, 13600 Industrial Park Blvd., P.O. Box 1551, Minneapolis, MN 55440 (763) 553-5330 Rooftop Unit; ER,R 250 Vintages C, D Rev. C 04/02 RPL 7792008 / Page 3
Nomenclature Model R= Rooftop Unit Capacity 250= 25 Ton Vintage C, or D Voltage 0= 208/230/60/3 1= 460/60/3 Heating Section Natural Gas N38= 375 mbh input N40= 400 mbh input N50= 500 mbh input Propane P38= 375 mbh input P40= 400 mbh input P50= 500 mbh input Hydronic Heat H2W= 2-Row Hot Water H1S= 1-Row Steam H2S= 2-Row Steam Electric Heat 020= 20 KW 027= 27 KW 040= 40 KW 047= 47 KW 060= 60 KW 080= 80 KW 100= 100 KW 120= 120 KW 140= 140 KW 160= 160 KW Cooling Only 000= Cooling Only Model Number R 250 C 1 N40 1 Options 1= Standard Motor 2= Oversize Motor 6= Power Exhaust 7= Power Return Air Blower 8= Suction Line Filter & Pumpdown cycle 9= VAV B= D.S. Switch D= Filter Flag E= Failure Relay Package G= Horiz. Disch. Economizer R= Power Saver T= Tracking Return Air Damper X= Economizer w/spring Return Motor Serial Number (Prior to 1988) 10 Digit Number M 15 4 Digit Number Year Manufactured A= 1974 H= 1981 B= 1975 J= 1982 C= 1976 K= 1983 D= 1977 L= 1984 E= 1978 M= 1985 F= 1979 N= 1986 G= 1980 P= 1987 R= 1988 Week of Manufacture Serial Number (1988 and Later) R 88 12 12345 Plant Identification R= Red Bud, IL Year Manufactured 88= 1988 89= 1989 90= 1990 etc. Sequence Week of Manufacture Rooftop Unit; ER,R 250 Vintages C, D Rev. C 04/02 RPL 7792008 / Page 4
Electrical Controls Function, Schematic Symbol, Location SS Part Description/ Function Location CPS1-6 Condenser Pressure Switch Condenser Section on Liquid Line GDM Compr. Lockout (Guard a matic) Control Box HP High Pressure Control Compressor Discharge Line LP Low Pressure Control Compressor Suction Line OP Oil Pressure Control On Compressor US Compressor Unloader On Compressor SM Compressor Motor Protector Compressor (integral to compressor) LSV Liquid Line Solenoid Valve Condenser Section CLSV Coil- Liquid Line Solenoid Valve Condenser Section HGBV Hot Gas Bypass Valve Condenser Section SSC Discharge Air Controller- W7100 Control Box DAS Discharge Air Sensor Control Box TE Enthalpy Control Downstream Side of Fresh Air damper MB Mercury Switch Return Air Damper Linkage FIL Filter Flag Economizer Filter Section FZ Freezestat Downstream Side of Evap. Coil HT3 Firestat Next to Filter Flag HT1,2 High Temp Limit Switch Electric Heat Panel HTL High Temp. Limit- Gas Heat Above Heater HT1 High Temp. Limit- Electric Heat Above Heater RX Relay- Power Exhaust Motor Power Exhaust RD Relay- Damper Economizer Rooftop Unit; ER,R 250 Vintages C, D Rev. C 04/02 RPL 7792008 / Page 5
Unit Layout & Panels I H C L B D G J K A Part Number A Panel- Condenser Panel (with latch & hinge) 071050601 Door only 071352201 Latch only 071273001 B Panel- Electrical, Right 0699737500 C Panel- Electrical, Left 071351901 D Top Panel- Blower Section 071352401 G Top Panel- Condenser Section 071317701 H Corner Post- Access End 071352701 I Corner Post- Opposite End 071181701 J Corner Post- Access End 071343101 K Corner Post- Opposite End 071342301 L Panel- Separater 071170501 N/S Filter Access Panel- Upper 071352101 N/S Filter Access Panel- Lower 071352001 Filter Flag (Option D), Firestat, Liquid Line Solenoid Valve, Suction Line Filter N/S Filter Flag 2 0001520979 N/S Firestat 180 Supply Air- Honeywell L4097B-1288 1 1 0001395307 135 Return Air- Honeywell L4029E-1011 1 071200101 N/S Solenoid Valve- Liquid Line 1 071271401 N/S Coil, Solenoid Valve- Liquid Line 1 735048442 N/S Suction Line Filter 1 071304303 1 This part has been discontinued since 1982. There is no replacement, but it is okay for the unit to run without this stat. Rooftop Unit; ER,R 250 Vintages C, D Rev. C 04/02 RPL 7792008 / Page 6
Evaporator Coil and Blower Components Diagram 20 17B 17A 17 67A 67 21 22 19 24 23 18 N/S Freezestat- Ranco 1 071301801 N/S Evaporator Coil 1 0002280847 17 Blower Wheel- 7.5 & 10 HP Motor 2 0002128838 Blower Wheel- 15 HP Motor 2 0002128839 17A Blower Housing 2 071227401 17B Cutoff Plate 2 071188001 18 Shaft 1 0002790948 19 Key, Blower Shaft- Woodruff 5 071206601 20 Bearing 2 020648601 21 Evaporator Motor Standard Motor (Option Code= 1) 7.5 HP 1 039448700 Oversize Motor (Option Code= 2) 10.0 HP 1 039446500 Double Oversize Motor (Option Code= 3) 15.0 HP 1 071301001 22 Motor Sheave, 2VP71 X 1-3/8"- 7.5 HP (post sn J44) 1 025076100 Motor Sheave, 2VP62 X 1-3/8"- 10.0 HP Motor 1 1 092470210 Motor Sheave, 3MVP55B69 X 1-5/8"- 15.0 HP 1 017619400 23 Blower Sheave, 2BK130 X 1-7/16" - 7.5 HP Motor 2 1 071140205 Blower Sheave, 2BK100 X 1-7/16" - 10.0 HP Motor 1 071140208 Blower Sheave, 3TB94-15.0 HP Motor 1 000243600 Bushing- Blower Sheave, Q1 X 1-7/16"- 15.0 HP Motor 1 000108600 24 Belt- Units built before serial number J44 5.0 & 7.5 HP Motor, BP-71 (Matched Pair) 1 0002102020 15.0 HP Motor, BP-75 (Matched set of 3) 1 0002102042 Belt- Units built serial number J44 and later 7.5 HP Motor, BP-73 (Matched Pair) 1 0002102008 10.0 HP Motor, B67 (Matched Pair) 1 0002102048 15.0 HP Motor BP-71 (Matched set of 3) 1 0002102046 67 Blower Shelf 1 071227201 67A Support- Blower Shelf 1 071198901 1 This sheave was used on units built before serial number J44 with 7.5 HP motors. 2 This sheave was used on units built before serial number J44 with 10.0 HP motors. Rooftop Unit; ER,R 250 Vintages C, D Rev. C 04/02 RPL 7792008 / Page 7
Refrigeration Section Compressor, HP Switch, LP Switch,Condenser Coil Fan & Motor, Condenser Pressure Switch, TXV, Drier, Hot Gas Bypass Compressor Compartment 15 26 4 27 64 63 12 10 G 1A 61 60 1 5 11 14 Condenser Fan Detail 2 7 8 13 G Top Condenser Panel 1 071317701 1 Compr.- 208/230/460/3- Copeland 4RR2-3000-TSK-214 1 071140801 1A Overload Module- Compressor TI# 15AA1600C 1 0001340563 2 Crankcase Heater 1 071204301 N/S Low Pressure Switch- TI # 20PS106FA040K010D 1 0001390904 4 High Pressure Switch- TI # 20PS037MB425K30K 1 071301609 5 Oil Pressure Switch 1 071200701 7 Filter Drier- Liquid Line 1 025938900 8 Sight Glass 1 071271601 10 Condenser Fan Blade- 3 071205801 11 Condenser Fan Motor- 1-1/2 HP Open Drip- Proof 3 071301201 Totally Enclosed 3 0001191700 12 Fan Guard 3 0002326913 13 Mount- Motor 3 0002110211 14 Rainshield- 5/8" bore X 6-3/4" 3 0002326740 15 Pressure Switch- Condenser Adjustable (pre serial number L07) 2 0008P04007 150 PSI (serial number L07 and later) 2 071270403 170 PSI (serial number L07 and later) 2 071270402 190 PSI (serial number L07 and later) 2 071270401 26 Expansion Valve- PVE-11GA 2 071302905 27 Condenser Coil 2 0002270529 60 Vibration Pad 4 041763300 61 Vibration Pad 4 071463400 63 Bolt- Condenser Mounting 12 0002356130 64 Washer- Condenser Mounting 12 0002364200 N/S Hot Gas Bypass Valve 1 071217701 N/S Hot Gas Bypass Solenoid Valve 1 735048435 N/S Coil- HGBP Solenoid 1 735048442 N/S Side Inlet Connector- Distributor to TXV 1 023955800 Rooftop Unit; ER,R 250 Vintages C, D Rev. C 04/02 RPL 7792008 / Page 8
Gas Heat Section Burner Assy, Pilot & Electrode, Gas Valve, Ventor, Limit Switch, Sight Glass 59 59A 55 56 57 54 58 51 51 Burner- Vintage C Units 20 0002990421 Burner- Vintage D Units 400,000 btu furnace 16 0002145708 Burner- Vintage D Units 500,000 btu furnace 20 0002145708 N/S Burner Orifice- Vintage C Units N38-375,000 btu Natural Gas #45 20 0002700403 N50-500,000 btu Natural Gas #41 20 0002700818 P38-375,000 btu Propane #55 20 0002700411 P50-500,000 btu Propane #53 20 0002700296 Burner Orifice- Vintage D Units N40-400,000 btu Natural Gas #40 16 0002700395 N50-500,000 btu Natural Gas #40 20 0002700395 P40-400,000 btu Propane #53 16 0002700296 P50-500,000 btu Propane #53 20 0002700296 N/S Spring- Burner (**quantity= 1 per burner**) ** 0002344227 54 Pilot & Electrode Assy (includes ignition cable)- Natural Gas Vintage C Units- White Rogers 21D13-5 2 0001380603 Vintage D Units- White Rogers 1551-101 2 071196201 N/S Pilot Orifice- Vintage C Units- White Rogers A69-1915 2 0002700831 Pilot Orifice- Nat. Gas Vint. D Units- White Rogers F69-2063 2 0002700841 Pilot Orifice- Propane Vint. D Units- White Rogers F69-2067 2 0002700842 55 Ignition Control- Vintage C Units- White Rogers 5059-25 2 071270301 Ignition Control- Vintage D Units- White Rogers 5059-34 2 071196301 56 Limit Switch- Blower Compartment- TOD 60TX11-L110 2 0001320525 57 Fan Limit Control- 130 Vintage C Units- TOD 40TC33-444 2 0001300451 Fan Limit Control- Vintage D Units- Honeywell L4064-1665 2 071196101 58 Ventor Wheel- Vintage C Units 2 0001708502 Ventor Wheel- Vintage D Units 2 0001708513 59 Ventor Motor- 1/10 HP- Fasco 7121-4066A 2 0001708507 Motor Mount 2 071241601 59A Ventor Blower Housing- Vintage C Units 2 0002110090 Ventor Blower Housing- Vintage D Units 2 071196801 N/S Gas Valve- see charts on next page N/S Heat Exchanger- see chart on next page Rooftop Unit; ER,R 250 Vintages C, D Rev. C 04/02 RPL 7792008 / Page 9
Gas Heat Section Heat Exchangers N/S Heat Exchanger Vintage C- 10 Cell 2 0599746300 Vintage D 8 Cell- N40, P40-400,000 btu furnace 2 0599818903 10 Cell- N50, P50-500,000 btu furnace 2 0599818904 Gas Valves- Natural Gas Units N/S Vintages C- White Rogers 36C93-402 1 0001585938 Vintage D- White Rogers 36C93-301 1 0001585967 Gas Valves- Propane Units N/S Vintage C- White Rogers 36C69-402 1 0001585939 Vintage D- White Rogers 36C96-301 1 0001585968 Hydronic Heat N/S 2- Row Steam Coil 1 071410401 N/S 2- Row Hot Water Coil 1 071410401 N/S Drain Pan 1 071182801 Rooftop Unit; ER,R 250 Vintages C, D Rev. C 04/02 RPL 7792008 / Page 10
Electric Heat Section 20 KW Electric Heat- 208/230 Volt N/S Element- 6.65 KW 3 0001950726 N/S Bracket for Heater 3 071171901 N/S Limit Switch (ELE Plate)- 71F14-L200 2 0001320518 N/S Limit Switch- Auto (ELE Plate) TOD60TX11200174 1 0001320502 N/S Fuse Block- 3 Pole, 60A, 250V 1 0001821006 N/S Fuse- 60A, 250V- FRN60 3 025860514 N/S Contactor- 3 Pole, 40A, 240V 1 071301501 N/S Relay- SPDT- RBM 84-20103-301 3 0001420805 20 KW Electric Heat- 460 Volt N/S Element- 6.65 KW 3 0001950726 N/S Bracket for Heater 3 071171901 N/S Limit Switch (ELE Plate)- 71F14-L200 2 0001320518 N/S Limit Switch- Auto (ELE Plate) TOD60TX11200174 1 0001320502 N/S Fuse Block- 3 Pole, 30A, 600V 2 0001821018 N/S Fuse- 30A, 600V- Limitron 30A 6 0001946022 N/S Contactor- 3 Pole, 25A, 240V 1 071301401 27 or 40 KW Electric Heat- 208/230 Volt N/S Element- 6.65 KW 6 0001950726 N/S Bracket for Heater 6 071171901 N/S Limit Switch (ELE Plate)- 71F14-L200 4 0001320518 N/S Limit Switch- Auto (ELE Plate) TOD60TX11200174 2 0001320502 N/S Fuse Block- 3 Pole, 60A, 250V 2 0001821006 N/S Fuse- 60A, 250V- FRN60 6 025860514 N/S Contactor- 3 Pole, 40A, 240V 1 071301501 27 or 40 KW Electric Heat- 460 Volt N/S Element- 6.65 KW 6 0001950726 N/S Bracket for Heater 6 071171901 N/S Limit Switch (ELE Plate)- 71F14-L200 4 0001320518 N/S Limit Switch- Auto (ELE Plate) TOD60TX11200174 2 0001320502 N/S Fuse Block- 3 Pole, 30A, 600V 2 0001821018 N/S Fuse- 30A, 600V- Limitron 30A 6 0001946022 N/S Contactor- 3 Pole, 25A, 240V 1 071301401 Rooftop Unit; ER,R 250 Vintages C, D Rev. C 04/02 RPL 7792008 / Page 11
Electric Heat Section 47 or 60 KW Electric Heat- 208/230 Volt N/S Element- 6.65 KW 9 0001950726 N/S Bracket for Heater 9 071171901 N/S Limit Switch (ELE Plate)- 71F14-L200 6 0001320518 N/S Limit Switch- Auto (ELE Plate) TOD60TX11200174 3 0001320502 N/S Fuse Block- 3 Pole, 60A, 250V 3 0001821006 N/S Fuse- 60A, 250V- FRN60 9 025860514 N/S Contactor- 3 Pole, 40A, 240V 3 071301501 47 or 60 KW Electric Heat- 460 Volt N/S Element- 6.65 KW 9 0001950726 N/S Bracket for Heater 9 071171901 N/S Limit Switch (ELE Plate)- 71F14-L200 6 0001320518 N/S Limit Switch- Auto (ELE Plate) TOD60TX11200174 3 0001320502 N/S Fuse Block- 3 Pole, 30A, 600V 1 0001821018 N/S Fuse Block- 3 Pole, 60A, 600V 1 0001821017 N/S Fuse- 30A, 600V- JKS30 3 0001946022 N/S Fuse- 60A, 600V- JKS60 3 0001946023 N/S Contactor- 3 Pole, 25A, 240V 1 071301401 N/S Contactor- 3 Pole, 40A, 240V 1 071301501 80 KW Electric Heat- 208/230 Volt N/S Element- 6.65 KW 12 0001950726 N/S Bracket for Heater 12 071171901 N/S Limit Switch (ELE Plate)- 71F14-L200 8 0001320518 N/S Limit Switch- Auto (ELE Plate) TOD60TX11200174 4 0001320502 N/S Fuse Block- 3 Pole, 60A, 250V 4 0001821006 N/S Fuse- 60A, 250V- FRN60 12 025860514 N/S Contactor- 3 Pole, 40A, 240V 4 071301501 Rooftop Unit; ER,R 250 Vintages C, D Rev. C 04/02 RPL 7792008 / Page 12
Electric Heat Section 80 KW Electric Heat- 460 Volt N/S Element- 6.65 KW 12 0001950726 N/S Bracket for Heater 12 071171901 N/S Limit Switch (ELE Plate)- 71F14-L200 8 0001320518 N/S Limit Switch- Auto (ELE Plate) TOD60TX11200174 4 0001320502 N/S Fuse Block- 3 Pole, 60A, 600V 2 0001821017 N/S Fuse- 60A JKS60 6 0001946023 N/S Contactor- 3 Pole, 40A, 240V 1 071301501 100 KW Electric Heat- 208/230 Volt N/S Element- 6.65 KW 15 0001950726 N/S Bracket for Heater 15 071171901 N/S Limit Switch (ELE Plate)- 71F14-L200 10 0001320518 N/S Limit Switch- Auto (ELE Plate) TOD60TX11200174 5 0001320502 N/S Fuse Block- 3 Pole, 60A, 250V 5 0001821006 N/S Fuse- 60A, 250V- FRN60 15 025860514 N/S Contactor- 3 Pole, 40A, 240V 4 071301501 100 KW Electric Heat- 460 Volt N/S Element- 6.65 KW 15 0001950726 N/S Bracket for Heater 15 071171901 N/S Limit Switch (ELE Plate)- 71F14-L200 10 0001320518 N/S Limit Switch- Auto (ELE Plate) TOD60TX11200174 5 0001320502 N/S Fuse Block- 3 Pole, 30A, 600V 1 0001821018 N/S Fuse Block- 3 Pole, 60A, 600V 2 0001821017 N/S Fuse- 30A, 600V- JKS30 3 0001946022 N/S Fuse- 60A, 600V- JKS60 6 0001946023 N/S Contactor- 3 Pole, 25A, 240V 1 071301401 N/S Contactor- 3 Pole, 40A, 240V 2 071301501 Rooftop Unit; ER,R 250 Vintages C, D Rev. C 04/02 RPL 7792008 / Page 13
Electric Heat Section 120 KW Electric Heat- 460 Volt N/S Element- 6.65 KW 18 0001950726 N/S Bracket for Heater 18 071171901 N/S Limit Switch (ELE Plate)- 71F14-L200 12 0001320518 N/S Limit Switch- Auto (ELE Plate) TOD60TX11200174 6 0001320502 N/S Fuse Block- 3 Pole, 60A, 600V 3 0001821017 N/S Fuse- 60A JKS60 9 0001946023 N/S Contactor- 3 Pole, 40A, 240V 3 071301501 140 KW Electric Heat- 460 Volt N/S Element- 6.65 KW 21 0001950726 N/S Bracket for Heater 21 071171901 N/S Limit Switch (ELE Plate)- 71F14-L200 14 0001320518 N/S Limit Switch- Auto (ELE Plate) TOD60TX11200174 7 0001320502 N/S Fuse Block- 3 Pole, 30A, 600V 1 0001821018 N/S Fuse Block- 3 Pole, 60A, 600V 3 0001821017 N/S Fuse- 30A, 600V- JKS30 3 0001946022 N/S Fuse- 60A, 600V- JKS60 9 0001946023 N/S Contactor- 3 Pole, 25A, 240V 1 071301401 N/S Contactor- 3 Pole, 40A, 240V 3 071301501 160 KW Electric Heat- 460 Volt N/S Element- 6.65 KW 24 0001950726 N/S Bracket for Heater 24 071171901 N/S Limit Switch (ELE Plate)- 71F14-L200 16 0001320518 N/S Limit Switch- Auto (ELE Plate) TOD60TX11200174 8 0001320502 N/S Fuse Block- 3 Pole, 60A, 600V 4 0001821017 N/S Fuse- 60A JKS60 12 0001946023 N/S Contactor- 3 Pole, 40A, 240V 4 071301501 Rooftop Unit; ER,R 250 Vintages C, D Rev. C 04/02 RPL 7792008 / Page 14
Economizer Components (Options G & X) Mercury Switch for Power Exhaust (see next page) 70 70A See Blower Components 71 74 73 72 Manuf./Number 70 Damper Motor- Standard Honeywell W889E-1036 1 0001480940 70 Damper Motor- Spring Return 1 Honeywell W899G-1042 1 0001480950 Damper Motor- Spring Return 1 White Rogers 3913-4 1 071302001 70A Crank Arm for Honeywell Motor 1 0002344290 70A Crank Arm for White Rogers Motor 1 0002344292 71 Gravity Damper 2 0002311404 72 Filter- Permanent 12" X 48" X 1" 4 071207001 73 Channel- Filter 2 071166701 74 Retaining Angle- Filter 4 071166501 N/S Enthalpy Control Honeywell H205A 1 071201101 N/S RD Damper Relay RBM84-20103-301 1 0001420805 N/S Economizer Rain Hood 1 071247601 N/S Clips- Economizer Rain Hood 4 071167701 1 When replacing a Honeywell Motor with a White Rogers Motor, the crank arm must also be replaced. The Spring Motor is used on units with option "X" (see nomenclature page). Rooftop Unit; ER,R 250 Vintages C, D Rev. C 04/02 RPL 7792008 / Page 15
Power Exhaust Blower (Option 6) 101 100 98 86 85 103 89 96 105 90 87 92 88 102 104 81 93 81 Blower Panel 1 071014001 85 Blower Housing 2 071187301 86 Hanger, Blower- Right Hand 2 071179201 87 Hanger, Blower- Left Hand 2 071179301 88 Support Bracket- Bearing 2 071012901 89 Fan Wheel 2 001313200 90 Cut Off Plate 2 071248901 92 Bearing- 1" 2 000829904 93 Fan Shaft 1 071141701 96 Support Assy- Right Hand 1 071182901 98 Support Assy- Left Hand 1 071183101 100 Motor- 3 HP 1 071300701 101 Mounting Plate- Motor 1 071350601 102 Key- Shaft 1 071206501 103 Motor Sheave- 1VM50 X 7/8" 1 000728900 104 Fan Sheave- AK74 X 1" 1 071217131 105 Belt 1 071204809 N/S Mercury Switch 1 071200901 N/S Exhaust Hood 2 071253901 Rooftop Unit; ER,R 250 Vintages C, D Rev. C 04/02 RPL 7792008 / Page 16
VAV (Option 9) Tracking Damper (Option T) 113 100 101 102 109 103 105 109 111 106 110 112 107 Discharge Damper for VAV Units (Damper installed in supply air duct) Tracking Damper Option (Damper installed in return air duct) 100 VAV Assembly (Option 9) 1 071061401 101 Differential Pressure Switch (Null Switch) 1 049757801 102 Damper Motor 1 071305301 103 Crank Arm 1 071198001 105 Tracking Damper (Option T) 1 071026801 106 Crank Arm 1 071198001 107 Damper Motor 1 071305301 109 Transformer- Damper Motor 1 071271301 110 Cleveland Pressure Switch 1 071301901 111 Pressure Switch 1 071196401 112 Sensor- Indoor Static Pressure Tip 1 071196601 113 Sensor- Outdoor 1 071302301 Rooftop Unit; ER,R 250 Vintages C, D Rev. C 04/02 RPL 7792008 / Page 17
Power Return Blower (Option 7) 8 8A 10 10A 3 7 2 3 2 Blower Cone 2 071303401 3 Blower Wheel 2 071303701 7 Bearing- Pillow Block 4 071204601 8 Shaft 2 071141501 8A Key 2 071206501 10 Blower Pulley- BK130H 2 071217301 10A Bushing for Blower Pulley- Type H 1-3/16 2 000804400 N/S Blower Motor- 5 HP 1 071140701 N/S Motor Pulley- 2VP56 X 7/8" 1 000894800 N/S Belt- Matched Pair 1 071101201 N/S Contactor- Blower Motor 1 071400301 N/S Rainhood 2 071353501 Rooftop Unit; ER,R 250 Vintages C, D Rev. C 04/02 RPL 7792008 / Page 18
Controls Compressor Contactor, Blower Motor Contactor, Terminal Blocks, Fan Motor Capacitors, Transformer, Guard-A-Matic, Relay, Unit Fuses Diagram 39 38 45 45A 47 40 46 37 43 44 33 46 30 32 28 31 35 36 29 41 42 *Quantity Varies 34* Rooftop Unit; ER,R 250 Vintages C, D Rev. C 04/02 RPL 7792008 / Page 19
Controls Compressor Contactor, Blower Motor Contactor, Terminal Blocks, Fan Motor Capacitors, Transformer, Guard-A-Matic, Relay, Unit Fuses Components Qty. Unit Voltage 208/230 460 28 Transformer, 460-230V- Gas Heat Units- 1000VA 1 N/A 0001540995 Transformer, 460-230V- Electric Heat Units- 500VA 1 N/A 071401202 Transformer, 460-230V- Cooling Only Units- 300VA 1 N/A 071401201 29 Transformer, 230-24V 2 071271201 071271201 30 Contactor- Compressor 1 071400801 071400801 31 Contactor- Condenser Fan Motor 1 071400301 071400301 32 Contactor- Blower Motor 7.5 HP Standard Motor 1 0001280785 071400301 10.0 HP Oversize Motor 1 071400101 071400301 15.0 HP Double Oversize Motor 1 0001280835 071400301 33 Guard-A-Matic Timer 5 minutes 2 071570501 071570501 34 Relay- Condenser Fan Essex 91-103006-11058 3 026213000 026213000 Relay- 24 V SPDT- Cooling Only- RBM 84-20103-301 3 061019403 061019403 Relay- 24 V SPDT- Gas Heat- RBM 84-20103-301 5 061019403 061019403 Relay- 24 V DPDT- Gas Heat- RBM 91-907 1 071140501 071140501 35 Overload Relay- Evaporator Blower Motor 7.5 HP Standard Motor 1 071401101 071401101 10.0 HP & 15.0 HP Oversize & Double Oversize Motor 1 071401102 071401101 36 Heater- Evap. Blower Overload Relay 7.5 HP Standard Motor 1 071204402 071204414 10.0 HP Oversize Motor 1 071204413 071204409 15.0 HP Double Oversize Motor 1 071204404 071204402 37 Fuse Block- Blower Motor- 7.5 HP & 10.0 HP Motor 1 0001821006 0001821003 Fuse Block- Blower Motor- 15.0 HP Motor 1 0001821006 0001821012 38 Fuse- Blower Motor- 7.5 HP & 10.0 HP Motor 3 025860510 025860407 Fuse- Blower Motor- 15.0 HP Motor 3 025860514 025860410 39 Fuse Block- Control Units built before serial number L40 1 0001821001 0001821001 Units built after serial number L40 1 0001821001 0001821030 40 Fuse- Control Elect. Heat, Cooling Only Units- Pre L40 2 025860533 025860533 Gas Heat Units- Post Serial Number L40 2 025860533 042753111 Elect. Heat, Cooling Only Units- Post L40 2 025860532 042753105 41 Fuse Holder- Control Gas Heat Units 2 0001945396 0001945396 Electric Heat, Cooling Only Units 1 0001945396 0001945396 42 Fuse Type 6 MQ- Control Gas Heat Units 3 0001946024 0001946024 Electric Heat, Cooling Only Units 2 0001946024 0001946024 43 Fuse Block- Condenser Fan 1 0001821005 0001821003 44 Fuse- Condenser Fan 2 025860507 025860432 45 Terminal Block 1 0001821014 0001821014 45A Terminal Strip- 10 Pole 1 0001821029 0001821029 46 Terminal Strip- 5 Pole 2 0001822040 0001822040 47 Ground Lug 1 0001820610 0001820610 N/S Discharge Air Stat- Honeywell W7100C 1 071302201 071302201 N/S Sensor for Discharge Air Stat- Honeywell C7100A 1 071302101 071302101 N/S Failure Relay Package (Option E) Terminal Strip- 6 Pole 1 0001822030 0001822030 Relay- 24V SPDT RBM 84-20103-301 2 0001420805 0001420805 Relay- 240V SPDT RBM 84-20303-302 2 0001420806 0001420806 Relay RBM 91-903 1 0001420808 0001420808 N/S Morning Warm Up Stat- Honeywell T678A1460 1 071141001 071141001 N/S Morning Warm Up Time Delay THD/A 4160M SSAC 120V 1 071112701 071112701 N/A= Not applicable Rooftop Unit; ER,R 250 Vintages C, D Rev. C 04/02 RPL 7792008 / Page 20