This parts list is current as of the above revision date. See for the current revision.

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1 URM- Parts List This parts list is current as of the above revision date. See for the current revision. Package Gas-Electric

2 Table of Contents Model Explanation Page 3 Parts Numbers Drawings/Photographs Panels - Miscellaneous Page 4 Panels - Miscellaneous Page 5 Electrical Group Page 6 Fan Group Page 7 Blower Group Page 7 Coil Parts Page 8 Compressor Group Page 8 Heat Exchanger-Burner Group Page 9 Gas Controls Page 9 ccessories Page 10 Orifice Selection Chart Page 11 Exploded View Page 12 Control Box ssembly Page 13 Blower ssembly Page 14 Evaporator Coil ssembly Page 15 Evaporator Coils Baffles Page 15 Condenser Coil Group Page 16 Heat Exchanger ssembly Page 17 Burner ssembly Page 18 Notes Page 19 Page 2 of URM-

3 MODEL NUMBER EXPLNTION * R M K 1 0 E (1) TRDENME IDENTIFICTION (7) ELECTRICL DESIGNTION = 208/230V -1 PH - 60 HZ. (2) PRODUCT CLSSIFICTION C = 208/230V -3 PH - 60 HZ. R = ROOFTOP (8) DRIVE PCKGE (3) EFFICIENCY DESIGNTION K = DIRECT DRIVE (4) DESIGN SERIES (9) HETING CPCITY - (MBH) = FIRST DESIGN 04 = 40, = 60,000 (5) TECHNICL VRITIONS 08 = 80, = 100,000 (6) COOLING CPCITY (BTU/HR) 018 = 18, = 42,000 (10) IGNITION SYSTEM 024 = 24, = 48,000 E = ELECTRIC 030 = 30,000 X = ELECTRIC NOX 036 = 36,000 (11) OPTION CODES SERIL NUMBER EXPLNTION 1 R D F (1) GS CODE (7) TECHNOLOGY VRITIONS (2) BLOWER CONTROL BORD (8) PLNT F = FORT SMITH, R (3) COMPRESSOR IDENTIFICTION NUMBER (9) WEEK (4) IGNITION DEVICE (10) YER (5) INDUCER BLOWER (11) PRODUCTION NUMBER (6) HET EXCHNGER Page 3 of URM-

4 MODEL No. Notes TECHNICL VRITION COOLING CPCITY PNELS, MISCELLNEOUS PRTS 1 Front Base Pan - Before F3405 S S S Front Base Pan - fter F3405 S S S Base Rail (2) E E E Back Base Pan - Before F3605 S S S Back Base Pan - fter F3605 S S S Blower Shelf S S S Blower Shelf Transition S S S Divider Panel S S S Bulkhead ssembly S S S Exhaust Hood S S S Corner Post S S S Blower ccess Panel S S S End Panel S S S Supply Cover - Downflow S S S Supply Cover - Side Option S S S Return Cover - Downflow S S S Return Cover - Side Option S S S Top Panel S S S Grille S S S Fan Motor See Fan Group 17 Fan Blade See Fan Group 18 Venturi E E E Filter ccess Panel S S S Condenser Louver Panel S S S Center Post E E E Control ccess Panel S S S Compressor See Compressor Group 24 Heat Exchanger See Heat Exchanger Group 24d Collector Box See Heat Exchanger Group 25 Induced Draft Blower w/gasket See Electrical Group 26 Control Box (w/o components) E E E Control Box Cover E E E Furnace Shelf S S S Burner Floor E E E Exhaust Transition S S S Burner ssembly See Burner Group Combustion ir Inlet Hood E E E Bulkhead Valve (2) Bulkhead Valve Locknut (2) Bulkhead Valve Cap (2) Heat Exchanger Tube Support E E E Grommet - Gas Supply Piping URM- 018 URM- 024 URM- 030 Page 4 of URM-

5 MODEL No. Notes TECHNICL VRITION COOLING CPCITY PNELS, MISCELLNEOUS PRTS 1 Front Base Pan - Before F3405 S S S Front Base Pan - fter F3405 S S S Base Rail (2) E E E Back Base Pan - Before F3605 S S S Back Base Pan - fter F3605 S S S Blower Shelf S S S Blower Shelf Transition S S S Divider Panel S S S Bulkhead ssembly S S S Exhaust Hood S S S Corner Post S S S Blower ccess Panel S S S End Panel S S S Supply Cover - Pictured S S S Supply Cover - Side Option S S S Return Cover - Pictured S S S Return Cover - Side Option S S S Top Panel S S S Grille S S S Fan Motor See Fan Group 17 Fan Blade See Fan Group 18 Venturi E E E Filter ccess Panel S S S Condenser Louver Panel S S S Center Post E E E Control ccess Panel S S S Compressor See Compressor Group 24 Heat Exchanger See Heat Exchanger Group 24d Collector Box See Heat Exchanger Group 25 Induced Draft Blower w/gasket See Electrical Group 26 Control Box (w/o components) E E E Control Box Cover E E E Furnace Shelf S S S Burner Floor E E E Exhaust Transition S S S Burner ssembly See Burner Group Combustion ir Inlet Hood E E E Bulkhead Valve (2) Bulkhead Valve Locknut (2) Bulkhead Valve Cap (2) Heat Exchanger Tube Support E E E Grommet - Gas Supply Piping URM- 036 URM- 042 URM- 048 Page 5 of URM-

6 MODEL URM- URM- URM- URM- URM- URM- TECHNICL VRITION No. Notes COOLING CPCITY ELECTRICL DESIGNTION ELECTRICL GROUP 25 Stk Induced Draft Blower w/gasket Gasket - Induced Draft Blower Stk Contactor Stk Pressure Switch Integrated Furnace Control Board (IFC) See Gas Controls 35 Stk Transformer Capacitor - Blower Motor See Blower Group 37 Capacitor - Compressor/Fan See Compressor Group 37 Capacitor - Fan Only See Fan Group 51 Limit Control - Flame Roll-Out See the Heat Exchanger/Burner Group Stk Compressor Time Delay Control Stk Blower Control Board Time Delay Relay N/ Limit Control (On Blower Shelf) See the Heat Exchanger/Burner Group Wiring Harness - 9 pin to 6 pin and 4 flag terminals (6 pin to Fan Board) S S S S S S Wiring Harness - 9 pin to 9 terminals S S S S S S Leadwire - from Flame Sensor to 9 pin Wiring Harness Plug Capacitor daptor Plate (2 in. round capacitor) E E E E E E Capacitor daptor Plate (2 in. X 1-1/4 in. oval capacitor) E E E E E E MODEL URM- URM- URM- TECHNICL VRITION No. Notes COOLING CPCITY ELECTRICL DESIGNTION C C C ELECTRICL GROUP 25 Stk Induced Draft Blower w/gasket Gasket - Induced Draft Blower Contactor Stk Pressure Switch Integrated Furnace Control Board (IFC) See Gas Controls 35 Stk Transformer Capacitor - Blower Motor See Blower Group 37 Capacitor - Compressor/Fan See Compressor Group 37 Capacitor - Fan Only See Fan Group 51 Limit Control - Flame Roll-Out See the Heat Exchanger/Burner Group Stk Compressor Time Delay Control Stk Blower Control Board Time Delay Relay N/ Limit Control (On Blower Shelf) See the Heat Exchanger/Burner Group Wiring Harness - 9 pin to 6 pin and 4 flag terminals (6 pin to Fan Board) S S S Wiring Harness - 9 pin to 9 terminals S S S Leadwire - from Flame Sensor to 9 pin Wiring Harness Plug Capacitor daptor Plate (2 in. round capacitor) E E E Capacitor daptor Plate (2 in. X 1-1/4 in. oval capacitor) E E E Page 6 of URM-

7 MODEL URM- URM- URM- URM- URM- URM- TECHNICL VRITION No. Notes COOLING CPCITY ELECTRICL DESIGNTION FN GROUP 16 Stk Fan Motor Stk Fan Blade Capacitor - Compressor/Fan See Compressor Group MODEL URM- URM- URM- TECHNICL VRITION No. Notes COOLING CPCITY ELECTRICL DESIGNTION C C C FN GROUP 16 Stk Fan Motor Stk Fan Blade Stk Capacitor - Fan Motor MODEL No. Notes TECHNICL VRITION COOLING CPCITY URM- 018 URM- 024 BLOWER GROUP Stk Blower ssembly (Includes items 36-41) S S S S S S Stk Capacitor - Blower Motor a Housing S S S S S S b Cut-Off E E E E E E Stk Blower Motor Motor Mounting Bracket ssembly (includes items 40a, 40b) S S S S S S a Motor rm ssembly (3) b Motor Band Stk Blower Wheel URM- 030 URM- 036 URM- 042 URM- 048 Page 7 of URM-

8 MODEL No. Notes TECHNICL VRITION COOLING CPCITY URM- 018 COIL GROUP CONDENSER COIL: 52 Stk Condenser Coil S S S S S S Distributor - 1/2 in. to 3/8 in. two way N/ N/ N/ Distributor - 3/8 in. to 3/8 in. three way N/ N/ N/ N/ N/ Distributor - 3/8 in. to 3/8 in. four way N/ N/ N/ N/ Distributor - 5/8 in. to 3/8 in. four way N/ N/ N/ N/ ccess Valve Body (2) ccess Valve Core (2) ccess Valve Cap (2) EVPORTOR COIL: 53 Drain Trap (ttached to Drain Pan) Stk Evaporator Coil S S S S S S Drain Pan Grommet Stk Drain Pan S S S S S S uxiliary Drain Pipe E E E E E E Evaporator Coil ir Baffle (4) N/ N/ N/ N/ E E Distributor (w/o Piston) S Stk Flowcheck Piston Kit N/ Stk TXV Condensate Barrier E E E E E E URM- 024 URM- 030 URM- 036 URM- 042 URM- 048 MODEL URM- URM- URM- URM- URM- URM- TECHNICL VRITION No. Notes COOLING CPCITY ELECTRICL DESIGNTION COMPRESSOR GROUP Compressor ID: Stk Compressor S S S S S S 37 Stk Capacitor - Compressor/Fan Grommet dapter - Reducing Coupling N/ N/ N/ N/ Compressor ID: Stk Compressor S S 37 Stk Capacitor - Compressor/Fan Grommet dapter - Reducing Coupling N/ N/ N/ N/ N/ Compressor ID: Stk Compressor S Stk Capacitor - Compressor/Fan Grommet MODEL URM- URM- URM- TECHNICL VRITION No. Notes COOLING CPCITY ELECTRICL DESIGNTION C C C COMPRESSOR GROUP Compressor ID: Stk Compressor S S S dapter - Reducing Coupling N/ N/ Grommet Compressor ID: Stk Compressor S S S dapter - Reducing Coupling N/ Grommet Page 8 of URM-

9 MODEL No. Notes TECHNICL VRITION HETING CPCITY HET EXCHNGER / BURNER GROUP 24 Stk Heat Exchanger - Includes Center Panel and Turbulators S S S S a Turbulators E E E E (2) (3) (4) (5) 24b NOX Insert ssembly (2) (3) (4) (5) 24c Lower Burner Shield (NOX models) E E E E Collector Box Gasket d Collector Box E E E E Stk Limit Control (On Blower Shelf) - Cooling Capacity 018/ Stk Limit Control (On Blower Shelf) - Cooling Capacity Burner Floor See Panels Group 42 Radiation Shield E E E E Stk Burner Tube w/shield (2) (3) (4) (5) Stk,3 One-piece Burner Retrofit Kit - See Note 3 S S S S Burner Support Bracket (2) E E E E Stk Manifold (w/o Orifices) Burner Orifice - Natural Gas See Orifice Selection Chart 47 Burner Orifice - LP See Orifice Selection Chart 47 Number of Orifices (2) (3) (4) (5) 48 Stk Flame Sensor Stk Ignitor w/cable Burner Support - (Holds Burners between the Burner Support Brackets) E E E E Stk,1 Limit - Manual Reset (Burner Compartment) - Before F2501 (See Note) Stk,1 Limit - Manual Reset (Burner Compartment) - fter F2501 (See Note) Square Head Plug - (Used on Manifold to plug extra holes) (3) (2) (1) N/ URM- 04 URM- 06 URM- 08 URM- 10 MODEL No. Notes TECHNICL VRITION GS CODE GS CONTROLS Stk Furnace Control Board Stk Fan Board Stk Gas Valve - Natural Gas Stk,2 Gas Valve - LP See Note 2 See Note 2 See Note 2 See Note 2 Stk LP Conversion Kit EP-85H EP-85H EP-84W EP-84W URM- 1 URM- 1C URM- 1D URM- 1F MODEL No. Notes TECHNICL VRITION GS CODE URM- 1TF GS CONTROLS Stk Furnace Control Board Stk Fan Board Stk Gas Valve - Natural Gas Stk,2 Gas Valve - LP See Note 2 Stk LP Conversion Kit EP-84W MODEL No. Notes TECHNICL VRITION GS CODE GS CONTROLS 34 Stk Integrated Furnace Control Board (IFC) Stk Gas Valve - Natural Gas Stk,2 Gas Valve - LP See Note 2 See Note 2 See Note 2 See Note 2 Stk LP Conversion Kit EP-85H EP-84W EP-84W EP-84W URM- 1R URM- 1S URM- 1X URM- 2 MODEL No. Notes TECHNICL VRITION GS CODE URM- 2G GS CONTROLS 34 Stk Integrated Furnace Control Board (IFC) Stk Gas Valve - Natural Gas Stk,2 Gas Valve - LP See Note 2 Stk LP Conversion Kit EP-85H Page 9 of URM-

10 MODEL No. Notes TECHNICL VRITION COOLING CPCITY Economizer - 3 Position Economizer - Modulating Fresh ir Damper - 3 Position Fresh ir Damper - Fixed 35% Low mbient Control High Pressure Control Low Pressure Control OPTIONS ND CCESORIES URM- LL RXRE-C30 RXRD-CM10 RXRF-FB1 RXRF-F1 RXRZ-18 RXB-02 RXC-02 Page 10 of URM-

11 PCKGE EQUIPMENT - ORIFICE SELECTION CHRT - NTURL GS CUTION: Selection of the correct Natural Gas Orifice requires the following information for the specific installation: 1) Furnace Input Rating (BTU/HR) 2) Number of Burners 2) ltitude (ft.) For detailed information and instructions for Orifice selection, see the Gas Furnace LP Conversion Kit Index and the latest edition of the National Fuel Gas Code Handbook, or the National Standard of Canada, Natural Gas and Propane Installation Code, CN B CUTION: This information is provided for replacement purposes only. Conversion for operation at High ltitude must be done using the kit specified on the product specification sheet for the unit. NOTE: This Orifice sizing chart is based on a Natural Gas heating value of 1075 BTU/cu. ft and a pressure setting of 3.5 in. water column. NOTE: Factory installed orifices are calculated and sized based on a Natural Gas heating value of 1075 BTU/cu. ft. and an elevation of ft. Canadian High Elevation (ft.) Furnace Number ltitude Derated Country Input of Input Rating (BTU/HR) Burners (BTU/HR) U.S. U.S. U.S. U.S. Canada Canada 40,000 36, ,000 54, ,000 N/ N/ 80,000 72, ,000 N/ N/ 100,000 90, , , , , , , ,000 N/ N/ 210,000 N/ N/ 210,000 N/ N/ 225, , , , , , ,000 N/ N/ 290,000 N/ N/ 300, , ,000 N/ N/ 350, , , , PCKGE EQUIPMENT - ORIFICE SELECTION CHRT - LP CUTION: Selection of the correct LP Orifice requires the following information for the specific installation: 1) Furnace Input Rating (BTU/HR) 2) Number of Burners 2) ltitude (ft.) For detailed information and instructions for Orifice selection, see the Gas Furnace LP Conversion Kit Index and the latest edition of the National Fuel Gas Code Handbook, or the National Standard of Canada, Natural Gas and Propane Installation Code, CN B CUTION: This information is provided for replacement purposes only. Conversion to LP or for operation at High ltitude should be done using the kit(s) specified on the product specification sheet for the unit. NOTE: This Orifice sizing chart is developed using the specified pressure setting of 10 in. water column instead of the 11.0 in water column used by the NFG and CNB NOTE: Orifices supplied in the LP Conversion Kit are calculated and sized based on a heating value of 2500 BTU/cu. ft. and an elevation of ft. Canadian High Elevation (ft.) Furnace Number ltitude Derated Country Input of Input Rating (BTU/HR) Burners (BTU/HR) U.S. U.S. U.S. U.S. Canada Canada 40,000 36, ,000 54, ,000 N/ N/ 80,000 72, ,000 N/ N/ 100,000 90, , , , , , , ,000 N/ N/ 210,000 N/ N/ 210,000 N/ N/ 225, , , , , , ,000 N/ N/ 290,000 N/ N/ 300, , ,000 N/ N/ 350, , , , Page 11 of URM-

12 Exploded View Page 12 of URM-

13 Control Box ssembly Page 13 of URM-

14 Blower ssembly Page 14 of URM-

15 Evaporator Coil ssembly Evaporator Coils Baffles Page 15 of URM-

16 Condenser Coil Group Page 16 of URM-

17 Heat Exchanger ssembly Page 17 of URM-

18 Burner ssembly Page 18 of URM-

19 NOTES Stk It is recommended that stock be maintained for this part. N/ Not pplicable 1 The Flame Roll-Out Limit Control on these models was changed on the date code shown to a higher-rated switch. This change was made in order to reduce nuisance tripping. It is recommended that the higher-rated switch be used for replacement. 2 Order Gas Valve for Natural Gas along with LP Conversion Kit. 3 This kit includes all necessary items to retrofit units using individual burner tubes with the later one-piece burner design. P.O. Box Fort Smith, R

This parts list is current as of the above revision date. See for the current revision.

Parts List Form No. 92-42800- This parts list is current as of the above revision date. See http://www.rheempartslists.net/92-42800-.pdf for the current revision. Package ir Conditioners Table of Contents