Johnson Controls Unitary Products

PC9 SERIES MODULATING VARIABLE SPEED CONDENSING DOWNFLOW/HORIZONTAL NATURAL GAS FURNACES - (STYLE A)

Supersedes: 035-21144-001 Rev. C (1006) 035-21144-001 Rev. D (0708)

www.Source1Parts.com

HVAC SERVICE PARTS

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Figure 1: MODULATING VARIABLE SPEED DOWNFLOW/HORIZONTAL NATURAL GAS FURNACES

FIG ITEM DESCRIPTION PC9B12N060DH11A PC9B12N080DH11A PC9C16N080DH11A(3 BURNER) (4 BURNER) (4 BURNER)

MOTOR2 1 ECM PROGRAMMED MOTOR/MODULE 024-35352-000 024-35352-000 024-35353-000* 1A ECM PROGRAMMED MODULE (only) 324-32013-076 324-32013-076 324-32014-077* 1B ECM MOTOR (only, less ECM module) 024-31940-000 024-31940-000 024-31947-000

1,2 2 MOTOR, INDUCER ASS’Y 324-35817-000 324-35817-000 324-35817-000 <ELECTRICAL

32 4 SWITCH, LIMIT (INDUCER) 025-38737-000 025-38737-000 025-38737-000

1,2 5 LIMIT, TEMPERATURE (Primary) 025-29041-012 025-29041-012 025-29041-0122,3 6 LIMIT, FLAME ROLL-OUT 025-27792-001 025-27792-001 025-27792-0011 7 CONTROL, FURNACE MODULE 031-09153-000 031-09153-000 031-09153-000* 7A PLUG, JUMPER 025-39858-000 025-38978-000 025-38978-000* 8 SENSOR, THERMISTOR 031-09141-000 031-09141-000 031-09141-000

1,3 9 IGNITER 025-32625-000 025-32625-000 025-32625-0001,3 10 SENSOR, FLAME 025-37499-000 025-37499-000 025-37499-0001 11 SWITCH, PRESSURE 024-35324-000 024-35324-000 024-35324-000* 12 SWITCH, DOOR 024-27640-000 024-27640-000 024-27640-0001 13 TRANSFORMER 025-30889-000 025-30889-000 025-30889-000

1,2,3 14 VALVE, GAS 025-38975-000 025-38975-000 025-38975-000AIR MOVING

2 15 HOUSING, BLOWER 373-23724-001 373-23724-001 373-23746-0012 16 WHEEL, BLOWER 026-19654-009 026-19654-009 026-19654-014* 17 BRACKET, BLOWER (2 Req’d) 073-23778-001 073-23778-001 073-23778-001

NOTE: *Not ShownNew replacement parts shown in bold face type at the first printing of parts list dated 7/08.Major components and suggested stocking items are shown with shaded item number.“<“ Across from row indicates a change in that row.--- Not applicable to specified model.

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Figure 2: MODULATING VARIABLE SPEED DOWNFLOW/HORIZONTAL NATURAL GAS FURNACES

FIG ITEM DESCRIPTION PC9B12N060DH11A PC9B12N080DH11A PC9C16N080DH11A(3 BURNER) (4 BURNER) (4 BURNER)

FABRICATED PARTS1,2 18 PANEL, BLOWER COVER 073-23800-011 073-23800-011 073-23800-0121 19 BRACKET, CONDENSATE TRAP 073-19811-009 073-19811-009 073-19811-0093 20 BURNER, MAIN GAS 029-20482-000 029-20482-000 029-20482-0002 21 COIL, CONDENSING 373-19812-801 373-19812-801 373-19816-8012 22 SHELF, BLOWER 073-19812-222 073-19812-222 073-19816-2222 23 HEAT EXCHANGER ASS’Y 373-23799-001 373-23799-002 373-23799-0033 24 MANIFOLD, GAS 029-22253-030 029-22253-040 029-22253-0402 25 SHIELD, PAN 073-19812-570 073-19812-570 073-19816-5702 26 PAN, CONDENSATE 028-15151-000 028-15151-000 028-15152-0001 27 PANEL, VEST ACCESS (Upper) (Magnet) 373-23801-050 373-23801-050 373-23801-0511 28 PANEL, BLOWER ACCESS (Lower) (Magnet) 373-23801-014 373-23801-014 373-23801-0153 29 WRAPPER, BURNER BOX 073-19811-730 073-19811-740 073-19811-7401 30 CHANNEL, TOE PLATE 073-19862-052 073-19862-052 073-19862-053

2,3 31 COVER, GAS CONTROL 373-22155-002 373-22155-003 373-22155-003* 32 PANEL, BOTTOM 073-19812-170 073-19812-170 073-19816-1701 33 PANEL, TOP 073-19868-022 073-19868-022 073-19868-0233 34 SUPPORT, BURNER 073-19811-330 073-19811-340 073-19811-3401 35 WRAPPER, CABINET (Insulated) 373-19868-002 373-19868-002 373-19868-003* 36 PLATE, DIFFUSER 073-19811-023 073-19811-024 073-19811-024

1,3 37 BRACKET, IGNITER 073-17403-000 073-17403-000 073-17403-000* 38 BRACKET, DOOR SWITCH 073-19811-380 073-19811-380 073-19811-3803 39 BOTTOM PANEL, BURNER BOX 073-19811-130 073-19811-130 073-19811-140

404142

NOTE: *Not ShownNew replacement parts shown in bold face type at the first printing of parts list dated 7/08.Major components and suggested stocking items are shown with shaded item number.“<“ Across from row indicates a change in that row.--- Not applicable to specified model.

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035-21144-001 Rev. D (0708) 3 of 8

Figure 3: GAS CONTROLS FIG ITEM DESCRIPTION PC9B12N060DH11A PC9B12N080DH11A PC9C16N080DH11A

(3 BURNER) (4 BURNER) (4 BURNER)MISCELLANEOUS2,3 43 PLUG, WINDOW, CLEAR - 1.5” 025-37005-000 025-37005-000 025-37005-0002 44 COMBUSTION AIR TRANSITION, 3-WAY 028-15195-000 028-15195-000 028-15195-0001 45 TUBING, SILICONE (Gray, .188 ID, 2.83 ft. Req’d) 028-12499-000 028-12499-000 028-12499-000

1,3 46 TUBING, SILICONE (Preformed) 028-15170-000 028-15170-000 028-15170-0001 47 VACUUM HOSE ASSY, BURNER BOX 028-15465-000 028-15465-000 028-15465-0002 48 GASKET, COMBUSTION BLOWER 028-15177-000 028-15177-000 028-15177-0002 49 GASKET, CONDENSATE PAN 028-14759-002 028-14759-002 028-14759-0032 50 GASKET, UPPER CONDENSATE PAN (2 Req’d) 028-14773-000 028-14773-000 028-14774-0002 51 GASKET, GAS CONTROLS 028-15222-000 028-15222-000 028-15223-0002 52 GASKET, CONDENSING COIL 028-14760-002 028-14760-002 028-14760-0032 53 GASKET, COMBUSTION AIR TRANSITION 028-15155-000 028-15155-000 028-15155-000

1,2 54 VENT PIPE 2” X 15.25” LG. 028-15166-000 028-15166-000 028-15166-0002 55 GROMMET, MOTOR (3 Req’d) 028-14740-000 028-14740-000 028-14740-0002 56 FERRULE (3 Req’d) 023-20541-000 023-20541-000 023-20541-0002 57 COMBUSTION BLWR RESTRICTOR 028-15172-000 028-15218-000 028-15174-000* 58 INSERT, SILICONE 028-15451-000 028-15451-000 028-15452-0002 59 RESTRICTOR, TUBE 028-15206-000 028-15206-000 028-15206-0002 60 WASHER, FLAT FIBERGLASS (3 Req’d) 028-14768-000 028-14768-000 028-14768-000* 61 HARNESS, MAIN WIRING 025-39857-000 025-39857-000 025-39857-0002 62 MOUNT, 1 PC. MOTOR 073-19831-001 073-19831-001 073-19831-0013 63 ORIFICE, BURNER (Natural #45) 029-21182-045 029-21182-045 029-21182-0451 64 TRAP, CONDENSATE 028-14762-000 028-14762-000 028-14762-000* 65 WIRING DIAGRAM 172991 172991 172991* 66 45 DEG. STREET ELBOW 2” 028-15161-000 028-15161-000 028-15161-000* 67 DRAIN TUBE, CONDENSATE TRAP 028-13309-004 028-13309-004 028-13309-0041 68 DRAIN TUBE, COMBUSTION BLOWER 028-15168-000 028-15168-000 028-15168-0001 69 DRAIN TUBE, CONDENSATE PAN 028-15156-000 028-15156-000 028-15156-000* 70 DRAIN TUBE, STRAIGHT 21” LG. 028-15169-001 028-15169-001 028-15169-0011 71 DRAIN TUBE, RAIN GUTTER 028-15196-000 028-15196-000 028-15196-0001 72 DRAIN HOSE ASSEMBLY 028-15176-000 028-15176-000 028-15176-000* 73 DRAIN TUBE, CONDENSATE 028-15197-000 028-15197-000 028-15197-000* 74 LOCKNUT, CONDUIT (1/2”) 025-32683-000 025-32683-000 025-32683-000* 75 ADAPTER, INSERT 025-31808-000 025-31808-000 025-31808-000* 76 BUSHING, THREADED 025-31807-000 025-31807-000 025-31807-000* 77 GROMMET, MANIFOLD 028-12465-000 028-12465-000 028-12465-000* 78 VENT PIPE ASSEMBLY 028-15159-000 028-15159-000 028-15159-000* 79 DRAIN TUBE, VENT PIPE 028-15158-000 028-15158-000 028-15158-0001 80 DOOR KNOB (Black) (4 Req’d) (Magnet) 029-24412-000 029-24412-000 029-24412-000* 81 SIGHT GLASS, OVAL 025-38899-000 025-38899-000 025-38899-000* 82 MAGNET, DOOR (4 Req’d) 029-24413-000 029-24413-000 029-24413-0001 83 VACUUM HOSE ASSY, COMB BLWER 028-15466-000 028-15466-000 028-15466-000* 84 HARNESS, CONTROL (16 Pin) 024-35351-000 024-35351-000 024-35351-000* 85 HARNESS, POWER (5 Pin) 028-35350-000 028-35350-000 028-35350-000

NOTE: *Not ShownNew replacement parts shown in bold face type at the first printing of parts list dated 7/08.Major components and suggested stocking items are shown with shaded item number.“<“ Across from row indicates a change in that row.--- Not applicable to specified model.

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Figure 1: MODULATING VARIABLE SPEED DOWNFLOW/HORIZONTAL NATURAL GAS FURNACES

FIG ITEM DESCRIPTION PC9C16N100DH11A PC9C20N100DH11A PC9D20N120DH11A(5 BURNER) (5 BURNER) (6 BURNER)

MOTOR2 1 ECM PROGRAMMED MOTOR/MODULE 024-35353-000 024-35354-000 024-35354-000* 1A ECM PROGRAMMED MODULE (only) 324-32014-077 324-32015-078 324-32015-078* 1B ECM MOTOR (only, less ECM module) 024-31947-000 024-31941-000 024-31941-000

1,2 2 MOTOR, INDUCER ASS’Y 324-35817-000 324-35817-000 324-35817-000 <ELECTRICAL

32 4 SWITCH, LIMIT (INDUCER) 025-38737-000 025-38737-000 025-38737-000

1,2 5 LIMIT, TEMPERATURE (Primary) 025-29041-012 025-29041-012 025-29041-0122,3 6 LIMIT, FLAME ROLL-OUT 025-27792-001 025-27792-001 025-27792-0011 7 CONTROL, FURNACE MODULE 031-09153-000 031-09153-000 031-09153-000* 7A PLUG, JUMPER 025-38978-000 025-38978-000 025-38978-000* 8 SENSOR, THERMISTOR 031-09141-000 031-09141-000 031-09141-000

1,3 9 IGNITER 025-32625-000 025-32625-000 025-32625-0001,3 10 SENSOR, FLAME 025-37499-000 025-37499-000 025-37499-0001 11 SWITCH, PRESSURE 024-35324-000 024-35324-000 024-35324-000* 12 SWITCH, DOOR 024-27640-000 024-27640-000 024-27640-0001 13 TRANSFORMER 025-30889-000 025-30889-000 025-30889-000

1,2,3 14 VALVE, GAS 025-38975-000 025-38975-000 025-38975-000AIR MOVING

2 15 HOUSING, BLOWER 373-23746-001 373-23747-001 373-23747-0012 16 WHEEL, BLOWER 026-19654-014 026-38510-000 026-38510-000* 17 BRACKET, BLOWER (2 Req’d) 073-23778-001 073-23778-001 073-23778-001

NOTE: *Not ShownNew replacement parts shown in bold face type at the first printing of parts list dated 7/08.Major components and suggested stocking items are shown with shaded item number.“<“ Across from row indicates a change in that row.--- Not applicable to specified model.

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035-21144-001 Rev. D (0708) 5 of 8

Figure 2: MODULATING VARIABLE SPEED DOWNFLOW/HORIZONTAL NATURAL GAS FURNACES

FIG ITEM DESCRIPTION PC9C16N100DH11A PC9C20N100DH11A PC9D20N120DH11A(5 BURNER) (5 BURNER) (6 BURNER)

FABRICATED PARTS1,2 18 PANEL, BLOWER COVER 073-23800-012 073-23800-012 073-23800-0131 19 BRACKET, CONDENSATE TRAP 073-19811-009 073-19811-009 073-19811-0093 20 BURNER, MAIN GAS 029-20482-000 029-20482-000 029-20482-0002 21 COIL, CONDENSING 373-19816-801 373-19816-801 373-19820-8012 22 SHELF, BLOWER 073-19816-222 073-19816-222 073-19820-2222 23 HEAT EXCHANGER ASS’Y 373-23799-004 373-23799-004 373-23799-0053 24 MANIFOLD, GAS 029-22253-050 029-22253-050 029-22253-0602 25 SHIELD, PAN 073-19816-570 073-19816-570 073-19820-5702 26 PAN, CONDENSATE 028-15152-000 028-15152-000 028-15153-0001 27 PANEL, VEST ACCESS (Upper) (Magnet) 373-23801-051 373-23801-051 373-23801-0521 28 PANEL, BLOWER ACCESS (Lower) (Magnet) 373-23801-015 373-23801-015 373-23801-0163 29 WRAPPER, BURNER BOX 073-19811-750 073-19811-750 073-19811-7601 30 CHANNEL, TOE PLATE 073-19862-053 073-19862-053 073-19862-054

2,3 31 COVER, GAS CONTROL 373-22155-004 373-22155-004 373-22155-005* 32 PANEL, BOTTOM 073-19816-170 073-19816-170 073-19820-1701 33 PANEL, TOP 073-19868-023 073-19868-023 073-19868-0243 34 SUPPORT, BURNER 073-19811-350 073-19811-350 073-19811-3601 35 WRAPPER, CABINET (Insulated) 373-19868-003 373-19868-003 373-19868-0042 36 PLATE, DIFFUSER 073-19811-025 073-19811-025 073-19811-026

1,3 37 BRACKET, IGNITER 073-17403-000 073-17403-000 073-17403-000* 38 BRACKET, DOOR SWITCH 073-19811-380 073-19811-380 073-19811-3803 39 BOTTOM PANEL, BURNER BOX 073-19811-150 073-19811-150 073-19811-160

404142

NOTE: *Not ShownNew replacement parts shown in bold face type at the first printing of parts list dated 7/08.Major components and suggested stocking items are shown with shaded item number.“<“ Across from row indicates a change in that row.--- Not applicable to specified model.

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Figure 3: Gas Controls

FIG ITEM DESCRIPTION PC9C16N100DH11A PC9C20N100DH11A PC9D20N120DH11A(5 BURNER) (5 BURNER) (6 BURNER)

MISCELLANEOUS2,3 43 PLUG, WINDOW, CLEAR - 1.5” 025-37005-000 025-37005-000 025-37005-0002 44 COMBUSTION AIR TRANSITION, 3-WAY 028-15195-000 028-15195-000 028-15195-0001 45 TUBING, SILICONE (Gray, .188 ID, 2.83 ft. Req’d) 028-12499-000 028-12499-000 028-12499-000

1,3 46 TUBING, SILICONE (Preformed) 028-15170-000 028-15170-000 028-15170-0001 47 VACUUM HOSE ASSY, BURNER BOX 028-15465-000 028-15465-000 028-15465-0002 48 GASKET, COMBUSTION BLOWER 028-15177-000 028-15177-000 028-15177-0002 49 GASKET, CONDENSATE PAN 028-14759-003 028-14759-003 028-14759-0042 50 GASKET, UPPER CONDENSATE PAN (2 Req’d) 028-14774-000 028-14774-000 028-14775-0002 51 GASKET, GAS CONTROLS 028-15224-000 028-15224-000 028-15225-0002 52 GASKET, CONDENSING COIL 028-14760-003 028-14760-003 028-14760-0042 53 GASKET, COMBUSTION AIR TRANSITION 028-15155-000 028-15155-000 028-15155-000

1,2 54 VENT PIPE 2” X 15.25” LG. 028-15166-000 028-15166-000 028-15166-0002 55 GROMMET, MOTOR (3 Req’d) 028-14740-000 028-14740-000 028-14740-0002 56 FERRULE (3 Req’d) 023-20541-000 023-20541-000 023-20541-0002 57 COMBUSTION BLWR RESTRICTOR --- --- 073-15173-000* 58 INSERT, SILICONE 028-15452-000 028-15452-000 028-15453-0002 59 RESTRICTOR, TUBE 028-15206-000 028-15206-000 028-15206-0002 60 WASHER, FLAT FIBERGLASS (3 Req’d) 028-14768-000 028-14768-000 028-14768-000* 61 HARNESS, MAIN WIRING 025-39857-000 025-39857-000 025-39857-0002 62 MOUNT, 1 PC. MOTOR 073-19831-001 073-19831-001 073-19831-0013 63 ORIFICE, BURNER (Natural #45) 029-21182-045 029-21182-045 029-21182-0451 64 TRAP, CONDENSATE 028-14762-000 028-14762-000 028-14762-000* 65 WIRING DIAGRAM 172991 172991 172991* 66 45 DEG. STREET ELBOW 2” 028-15161-000 028-15161-000 028-15161-000* 67 DRAIN TUBE, CONDENSATE TRAP 028-13309-004 028-13309-004 028-13309-0041 68 DRAIN TUBE, COMBUSTION BLOWER 028-15168-000 028-15168-000 028-15168-0001 69 DRAIN TUBE, CONDENSATE PAN 028-15156-000 028-15156-000 028-15156-000* 70 DRAIN TUBE, STRAIGHT 21” LG. 028-15169-001 028-15169-001 028-15169-0011 71 DRAIN TUBE, RAIN GUTTER 028-15196-000 028-15196-000 028-15196-0001 72 DRAIN HOSE ASSEMBLY 028-15176-000 028-15176-000 028-15176-000* 73 DRAIN TUBE, CONDENSATE 028-15197-000 028-15197-000 028-15197-000* 74 LOCKNUT, CONDUIT (1/2”) 025-32683-000 025-32683-000 025-32683-000* 75 ADAPTER, INSERT 025-31808-000 025-31808-000 025-31808-000* 76 BUSHING, THREADED 025-31807-000 025-31807-000 025-31807-000* 77 GROMMET, MANIFOLD 028-12465-000 028-12465-000 028-12465-000* 78 VENT PIPE ASSEMBLY 028-15159-000 028-15159-000 028-15159-000* 79 DRAIN TUBE, VENT PIPE 028-15158-000 028-15158-000 028-15158-0001 80 DOOR KNOB (Black) (4 Req’d) (Magnet) 029-24412-000 029-24412-000 029-24412-000* 81 SIGHT GLASS, OVAL 025-38899-000 025-38899-000 025-38899-000* 82 MAGNET, DOOR (4 Req’d) 029-24413-000 029-24413-000 029-24413-0001 83 VACUUM HOSE ASSY, COMB BLWER 028-15466-000 028-15466-000 028-15466-000* 84 HARNESS, CONTROL (16 Pin) 024-35351-000 024-35351-000 024-35351-000* 85 HARNESS, POWER (5 Pin) 028-35350-000 028-35350-000 028-35350-000

NOTE: *Not ShownNew replacement parts shown in bold face type at the first printing of parts list dated 7/08.Major components and suggested stocking items are shown with shaded item number.“<“ Across from row indicates a change in that row.--- Not applicable to specified model.

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035-21144-001 Rev. D (0708) 7 of 8

NOTES

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Subject to change without notice. Printed in U.S.A. 035-21144-001 Rev. D (0708)Copyright © 2008 by Johnson Controls, Inc. All rights reserved. Supersedes: 035-21144-001 Rev. C (1006)

Johnson Controls Unitary Products 5005 York Drive Norman, OK 73069

TO ORDER AUTHORIZED FACTORY REPLACEMENT PARTS - Contact your Source1 HVAC Parts Distributor or visit our website at www.Source1Parts.com for a Distributor and Dealer listing.