Comfort-aire Glua90e-4b, Glua75e-4b, Glua45e-3b, Glua90e-5b, Glua60e-3b Owner's Manual

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Table of Contents

Model Explanation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Page 3

Parts Numbers

Panels - Miscellaneous 04-07 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Page 4

Panels - Miscellaneous 07-12 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Page 5

Electrical Group . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Page 6

Blower Group . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Page 7

Heat Exchanger-Burner Group . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Page 8

Gas Controls. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Page 9

Orifice Selection Chart . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Page 10

Drawings/Photographs

Exploded View . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Page 11

Drain Trap Parts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Page 12

Blower Assembly. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Page 12

Burner Assembly. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Page 13

Notes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Page 14

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G L U A - 5 0 E 3 A 1 2 3 4 5 6 7

(1) GAS

(2) 90% EFFICIENCY (3) UPFLOW/HORIZONTAL CONDENSING (4) PLACEHOLDER (5) HEATING INPUT DESIGNATION

40 = 45,000 BTU/HR 60 - 60,000 BTU/HR E = Electric 75 = 75,000 BTU/HR N = NOX 90 = 90,000 BTU/HR 105 = 105,000 BTU/HR 120 = 120,000 BTU/HR

(6) DRIVE NOMINAL COOLING/REVISION LEVEL 3 = 3 Ton 4 = 4 Ton 5 = 5 Ton

(7) REVISION LEVEL

G Y 5 D 7 0 2 F 3 1 0 7 9 9 9 9

1 2 3 4 5 6 7 8 9 10

1 GAS CODE 6 MOTOR HORSEPOWER 2 LIMIT CONTROL 7 PLANT 3 BLOWER 8 WEEK 4 HEATING ELEMENT 9 YEAR 5 SPECIAL AREA REQUIREMENT 10 PRODUCTION NUMBER

MODEL NUMBER EXPLANATION

SERIAL NUMBER EXPLANATION

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No.Notes

1 Blower/FilterDoor AS-67890-11 AS-67890-11 AS-67890-11 AS-67891-11 2 Burner Compartment Door AS-61866-09 AS-61866-09 AS-61866-09 AS-61867-09

3 Pressure Switch See Electrical Group 4 Silicone Tubing (Pressure Switch) AE-61737-23 AE-61737-23 AE-61737-23 AE-61737-23 5 Trap/ElbowAssembly 68-24048-01 68-24048-01 68-24048-01 68-24048-01 6 Hose Clamps (6) 64-22043-02 64-22043-02 64-22043-02 64-22043-02 7 Water TrapMount Bracket AE-61841-01 AE-61841-01 AE-61841-01 AE-61841-01 8 Tubing 79-25353-82 79-25353-82 79-25353-82 79-25353-82

9 Induced Draft Blower w/Gasket See Electrical Group 10 Gasket - Induced Draft Blower 68-24016-01 68-24016-01 68-24016-01 68-24016-01 11 Silicone Tubing (Pressure Switch) AE-61737-02 AE-61737-02 AE-61737-02 AE-61737-02 12 Pressure Switch See Electrical Group 13 Blower Assembly See Blower Group 14 Door Switch - Push Button See Electrical Group 15 Junction Box AE-61475-02 AE-61475-02 AE-61475-02 AE-61475-02 16 Junction Box Cover AE-61476-02 AE-61476-02 AE-61476-02 AE-61476-02

21 Button Plug (2-1/2 in.) 45-22980-03 45-22980-03 45-22980-03 45-22980-03 22 Button Plug (2 in.) 45-22980-08 45-22980-08 45-22980-08 45-22980-08 23 Jacket AS-61820-04 AS-61820-04 AS-61820-04 AS-61820-06 24 Baffle AE-61876-02 AE-61875-02 AE-61875-02 AE-61876-02 25 Rear Baffle AE-61878-01 AE-61878-01 AE-61878-01 AE-61878-02 26 Baffle AE-61886-01 AE-61875-01 AE-61875-01 AE-61876-01 30 Outlet Air Pipe 68-24021-01 68-24021-01 68-24021-01 68-24021-01 31 Outlet Air Pipe Gasket 68-24022-02 68-24022-02 68-24022-02 68-24022-02 32 TopPlate AS-61872-01 AS-61872-01 AS-61872-01 AS-61872-02 33 Vinyl Grommet - 2 in. 56-22114-06 56-22114-06 56-22114-06 56-22114-06 34 Heat Exchanger Assembly See Heat Exchanger Group 35 Limit - Main Limit (Heat Exchanger Panel) See Heat Exchanger Group 37 Connector/Transition 68-24047-07 68-24047-07 68-24047-07 68-24047-08 38 Elbow 68-24013-01 68-24013-01 68-24013-01 68-24013-01 39 Tubing 79-25353-82 79-25353-82 79-25353-82 79-25353-82 44 Capacitor - Blower Motor See Blower Group 45 Capacitor - Induced Draft Blower See Electrical Group 46 Control Mounting Plate AE-67877-01 AE-67877-01 AE-67877-01 AE-67877-01 47 Integrated Furnace Control Board (IFC) See Gas Controls 48 Transformer See Electrical Group 57 Gas Valve See Gas Controls 59 Ignitor Bracket See Gas Controls 60 Ignitor See Gas Controls

No.Notes

27 Locknut - Fresh Air Damper 64-24031-01 28 Male Adapter 68-24028-01 29 O-Ring Gasket 68-24032-01

MODEL HEATING INPUT VARIATIONS

PANELS, SHEET METAL, MISCELLANEOUS

Sight Glass 68-21893-03 68-21893-03 68-21893-03 68-21893-03

Wiring Harnesses See Electrical Group

MODEL HEATING INPUT VARIATIONS

PARTS BAG

Complete Parts Bag AS-100717-01

1/2 in. PVC Pipe - 4 in. 68-22024-04 1/2 in. Tee 68-21980-02 Hose Clamp 64-22043-01 Hose Clamp (2) 64-22043-02 Plug - Nylon 7/8 in. (2) 45-22926-01 Plug - Nylon 1-1/8 in. 45-22926-02 PVC Vane 68-23473-01 PVC Wind Vane 68-24049-01 Grommet - Blower Shelf (5/8 in. ID) - Not included in Parts Bag 56-22521-03 Grommet - Blower Shelf (1/2 in. ID) - Not included in Parts Bag 56-24008-01

GLUA

45E

GLUA

ALL ALL

GLUA

60E

GLUA

75E

GLUA

75E

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No.Notes

1 Blower/Filter Door AS-67891-11 AS-67891-11 AS-67891-11 AS-67892-11

2 Burner Compartment Door AS-61867-09 AS-61867-09 AS-61867-09 AS-61868-09

3 Pressure Switch See Electrical Group

4 Silicone Tubing (Pressure Switch) AE-61737-23 AE-61737-23 AE-61737-23 AE-61737-23

5 Trap/ElbowAssembly 68-24048-01 68-24048-01 68-24048-01 68-24048-01

6 Hose Clamps (6) 64-22043-02 64-22043-02 64-22043-02 64-22043-02

7 Water TrapMount Bracket AE-61841-01 AE-61841-01 AE-61841-01 AE-61841-01

8 Tubing 79-25353-82 79-25353-82 79-25353-82 79-25353-82

21 Button Plug (2-1/2 in.) 45-22980-03 45-22980-03 45-22980-03 45-22980-03 22 Button Plug (2 in.) 45-22980-08 45-22980-08 45-22980-08 45-22980-08 23 Jacket AS-61820-05 AS-61820-05 AS-61820-05 AS-61820-07 24 Baffle AE-61875-02 AE-61875-02 AE-61875-02 AE-61875-02 25 Rear Baffle AE-61878-02 AE-61878-02 AE-61878-02 AE-61878-03 26 Baffle AE-61875-01 AE-61875-01 AE-61875-01 AE-61875-01 30 Outlet Air Pipe 68-24021-01 68-24021-01 68-24021-01 68-24021-01 31 Outlet Air Pipe Gasket 68-24022-02 68-24022-02 68-24022-02 68-24022-02 32 TopPlate AS-61872-02 AS-61872-02 AS-61872-02 AS-61872-03 33 Vinyl Grommet - 2 in. 56-22114-06 56-22114-06 56-22114-06 56-22114-06 34 Heat Exchanger Assembly See Heat Exchanger Group 35 Limit - Main Limit (Heat Exchanger Panel) See Heat Exchanger Group 37 Connector/Transition 68-24047-08 68-24047-08 68-24047-08 68-24047-09 38 Elbow 68-24013-01 68-24013-01 68-24013-01 68-24013-01 39 Tubing 79-25353-82 79-25353-82 79-25353-82 79-25353-82 44 Capacitor - Blower Motor See Blower Group 45 Capacitor - Induced Draft Blower See Electrical Group 46 Control Mounting Plate AE-67877-01 AE-67877-01 AE-67877-01 AE-67877-01 47 Integrated Furnace Control Board (IFC) See Gas Controls 48 Transformer See Electrical Group 57 Gas Valve See Gas Controls 59 Ignitor Bracket See Gas Controls 60 Ignitor See Gas Controls

No.Notes

27 Locknut - Fresh Air Damper 64-24031-01 28 Male Adapter 68-24028-01 29 O-Ring Gasket 68-24032-01

MODEL HEATING INPUT VARIATIONS

PANELS, SHEET METAL, MISCELLANEOUS

Sight Glass 68-21893-03 68-21893-03 68-21893-03 68-21893-03

Wiring Harnesses See Electrical Group

MODEL HEATING INPUT VARIATIONS

PARTS BAG

Complete Parts Bag AS-100717-01

GLUA

90E

GLUA

ALL ALL

GLUA

90E

GLUA

105E

GLUA

120E

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