York LC8 User Manual

FC8T SERIES 2-STAGE UPFLOW/HORIZONTAL

NATURAL GAS FURNACES - (80%)

INCLUDING LO-NOX (MODEL LC8) (STYLE A)

HVAC SERVICE PARTS

Supersedes: 035-20353-001 Rev. A (0504) 035-20353-001 Rev. B (0305)

1 of 8

Figure 1: 2-STAGE UPFLOW/HORIZONTAL NATURAL GAS FURNACES (80%)

FC8T060A12UH11A FC8T080A12UH11A FC8T080B16UH11A FC8T100B12UH11A

FIG ITEM DESCRIPTION

LC8T060A12UH11A LC8T080A12UH11A LC8T080B16UH11A ---

(3 BURNER) (4 BURNER) (4 BURNER) (5 BURNER)

MOTORS

* 1
1 2 MOTOR, VENTOR ASS’Y 024-27653-000 024-27653-000 024-27653-000 024-27653-000

ELECTRICAL

1 3
1 4 CONTROL, HIGH LIMIT 025-29041-005 025-29041-005 025-29041-005 025-29041-005

1 5 CONTROL, FURNACE [FC] 031-09117-000 031-09117-000 031-09117-000 031-09117-000
1 6 IGNITER 025-32625-000 025-32625-000 025-32625-000 025-32625-000

1,3 7 SENSOR, FLAME 025-27773-000 025-27773-000 025-27773-000 025-27773-000

1 8 SWITCH, AIR PRESSURE [1LP] 024-27655-001 024-27656-001 024-27656-001 024-27657-001
1 9 SWITCH, DOOR [SW] 024-31943-000 024-31943-000 024-31943-000 024-31943-000

* 10 TRANSFORMER 025-30889-000 025-30889-000 025-30889-000 025-30889-000
1,3 11 VALVE, GAS 025-35394-000 025-35394-000 025-35394-000 025-35394-000
1,3 12 SWITCH, FLAME ROLL-OUT [ROS 3] 025-27747-016 025-27747-016 025-27747-016 025-27747-018

3 12A CONTROL, Flame Roll Out (2ea)[ROS1,2] 025-27792-009 025-27792-009 025-27792-009 025-27792-009

1 13 CONTROL, AUX. LIMIT (2 ea) [LS2,LS3] 025-30321-000 025-30321-000 025-30321-000 025-30321-000

* 14 FUSE (ATO 3) 025-32746-026 025-32746-026 025-32746-026 025-32746-026

AIR MOVING

1 16 HOUSING, BLOWER 373-17827-001 373-17827-001 373-17829-002 373-17827-001

1 17 WHEEL, BLOWER 026-35497-000 026-35497-000 026-19654-009 026-19654-003

* 17A CUTOFF, BLOWER --- --- 063-93198-000 ---

MOTOR, DIRECT DRIVE BLOWER

CAPACITOR, RUN (7.5MFD/370V) [RC]
CAPACITOR, RUN (10MFD/370V) [RC]

15

024-31969-000 024-31969-000 024-26002-000 024-25110-000

024-20045-000 024-20045-000 --- 024-20045-000

--- --- 024-20046-000 ---

NOTE: *Not Shown

New replacement parts shown in bold face type at the first printing of parts list dated 3/05.
Major components and suggested stocking items are shown with shaded item number.
“<“ Across from row indicates a change in that row.

Unitary Products Group

035-20353-001 Rev. B (0305) 2 of 8

Figure 2: 2- STAGE UPFLOW/HORIZONTAL NATURAL GAS FURNACES (80%)

FC8T060A12UH11A FC8T080A12UH11A FC8T080B16UH11A FC8T100B12UH11A

FIG ITEM DESCRIPTION

LC8T060A12UH11A LC8T080A12UH11A LC8T080B16UH11A ---

(3 BURNER) (4 BURNER) (4 BURNER) (5 BURNER)

FABRICATED PARTS

2 18 SHIELD, SECONDARY AIR 073-17404-003 073-17404-004 073-17404-004 073-17404-005
* 19 BAFFLE, FLUE 073-17775-001 073-17775-002 073-17775-002 073-17775-003

2,3 20 BURNER, MAIN GAS 029-20482-000 029-20482-000 029-20482-000 029-20482-000

2 21 BRACKET, IGNITER 073-17403-000 073-17403-000 073-17403-000 073-17403-000
2 22 DECK, BLOWER (Rear) 073-17502-002 073-17502-002 073-12081-001 073-12081-001
2 23 DECK, FRONT 073-17496-000 073-17496-000 073-17497-000 073-17497-000
2 24 HEAT EXCHANGER ASS’Y 373-17477-003 373-17477-004 373-17477-008 373-17477-005

2,3 25 MANIFOLD, GAS 029-22114-002 029-22114-003 029-22114-003 029-22114-004

2 26 PANEL, UPPER ACCESS 373-19814-427 373-19814-427 373-19812-427 373-19812-427
2 27 PAN, BASE 073-19813-090 073-19813-090 073-19812-090 073-19812-090
2 28 PANEL, BLOWER ACCESS 373-19814-417 373-19814-417 373-19812-417 373-19812-417
2 29 PANEL, TOP 073-19862-061 073-19862-061 073-19862-062 073-19862-062
2 30 WRAPPER, INSULATED 373-19862-001 373-19862-001 373-19862-002 373-19862-002
2 31 CHANNEL, TOE PLATE 073-19862-051 073-19862-051 073-19862-052 073-19862-052
2 32 BRACKET, TOP DOOR 073-19862-071 073-19862-071 073-19862-072 073-19862-072
2 33 BRACKET, BOTTOM DOOR 073-19862-075 073-19862-075 073-19862-076 073-19862-076
* 34 RACK, FILTER 026-38509-000 026-38509-000 026-38509-000 026-38509-000
2 35 FRAME, SIDE BASE (2 Req’d) 073-19811-085 073-19811-085 073-19811-085 073-19811-085
3 36 BRACKET, ROLL-OUT SWITCH 073-12033-000 073-12033-000 073-12033-000 073-12033-000

37

3
2

2 39 COLLAR, FLUE 073-17507-000 073-17507-000 073-17507-000 073-17507-000
* 40 LO-NOX SCREEN (L Models only) 026-35452-000 026-35452-000 026-35452-000 ---

ORIFICE, BURNER (Natural #45)

38

PLATE, RESTRICTOR

029-21182-045 029-21182-045 029-21182-045 029-21182-045
073-17777-156 073-17487-184 073-17785-184 073-17488-209

NOTE: *Not Shown

New replacement parts shown in bold face type at the first printing of parts list code dated 3/05.
Major components and suggested stocking items are shown with shaded item number.
“<“ Across from row indicates a change in that row.

Unitary Products Group

3 of 8 035-20353-001 Rev. B (0305)

Figure 3: GAS CONTROLS

FC8T060A12UH11A FC8T080A12UH11A FC8T080B16UH11A FC8T100B12UH11A

FIG ITEM DESCRIPTION

LC8T060A12UH11A LC8T080A12UH11A LC8T080B16UH11A ---

(3 BURNER) (4 BURNER) (4 BURNER) (5 BURNER)

MISCELLANEOUS

* 41 FILTER (.75 x 16 x 25) 026-38508-000 026-38508-000 026-38508-000 026-38508-000
2 42 SIGHT GLASS, OVAL 025-38899-000 025-38899-000 025-38899-000 025-38899-000
2 43 GASKET, RESTRICTOR PLATE 028-13258-000 028-13259-000 028-13281-000 028-13260-000
2 44 TUBING, SILICONE 028-12499-000 028-12499-000 028-12499-000 028-12499-000

45
* 46 DIAGRAM, WIRING 035-19675-002 035-19675-002 035-19675-002 035-19675-002
* 47 HARNESS, MAIN WIRING 373-19870-011 373-19870-011 373-19870-011 373-19870-011
* 48 ISOLATOR, TUBE (3 Req’d) --- --- 028-09412-001 028-09412-001
* 49 ISOLATOR, WASHER (3 Req’d) --- --- 028-09412-002 028-09412-002
* 50 ISOLATOR, SLEEVE (3 Req’d) --- --- 028-09412-003 028-09412-003
* 51 MOUNT, MOTOR --- --- 026-31459-000 026-31480-000
* 52 GROMMET, 1/2” DIA. 025-30823-000 025-30823-000 025-30823-000 025-30823-000

2 53 DOOR KNOB (4 Req’d) 026-39490-000 026-39490-000 026-39490-000 026-39490-000

* 54
* 55
* 56 RETAINER, SQUARE 028-15190-000 028-15190-000 028-15190-000 028-15190-000

RETAINER, DOOR KNOB (4 Req’d)
NUT, SELF THREADING (10 Req’d)

021-31394-000 021-31394-000 021-31394-000 021-31394-000
021-31395-000 021-31395-000 021-31395-000 021-31395-000

NOTE: *Not Shown

New replacement parts shown in bold face type at the first printing of parts list dated 3/05.
Major components and suggested stocking items are shown with shaded item number.
“<“ Across from row indicates a change in that row.

Unitary Products Group