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TABLE OF CONTENTS
1. SPECIFICATIONS .......................................................................................................................................................................... 3
2. OWNERS INFORMATION .............................................................................................................................................................. 4
3. MANUFACTURER WARRANTY, OWNER RESPONSIBILITY ...................................................................................................... 4
4. INSTALLATION STANDARDS ....................................................................................................................................................... 4
5. UNIT LOCATION ............................................................................................................................................................................ 5
6. MINIMUM CLEARANCES ............................................................................................................................................................... 5
7. RETURN AIR PROVISIONS ........................................................................................................................................................... 5
8. AIR DISTRIBUTION SYSTEMS ...................................................................................................................................................... 6
9. ROOF JACK SELECTION .............................................................................................................................................................. 6
10. DUCT CONNECTOR SELECTION ................................................................................................................................................ 7
11. INSTALLATION .............................................................................................................................................................................. 8
12. INSTALLATION OF TRANSIT-MODE VENTING SYSTEM ......................................................................................................... 11
13. ELECTRICAL WIRING ................................................................................................................................................................. 11
14. FUEL PIPING ................................................................................................................................................................................ 12
15. FLUE GAS SAMPLING ................................................................................................................................................................. 14
16. LIGHTING AND FURNACE SHUT DOWN ................................................................................................................................... 14
17. SERVICE GUIDE .......................................................................................................................................................................... 18
18. MAINTENANCE ............................................................................................................................................................................ 22
19. OPTIONAL ACCESSORIES ......................................................................................................................................................... 23
20. WIRING DIAGRAMS ................................................................................................................................................................ 24-26
21. EQUIVALENT ORIFICE SIZES AT HIGH ALTITUDES ................................................................................................................ 27
Table 1. Model Identification
Door Color
W - White
G - Gray
Cabinet Dimensions
A - 56" x 19-3/4" x 23-3/4”
B - w/Coil Cavity, 76" x 19-3/4" x 23-3/4"
Electrical Code
A - 1PH, 60 Hz, 120 VAC
Heating Capacity
Input, BTUH (000’)
Application
M-Manufactured Home
Furnace Series
Fuel, Type of Combustion
G-Gas, Direct Vent, Pilot Burner
Natural or Forced Draft
M-Gas, Direct Vent, HSI, Forced Draft
B-Gas, Direct Vent, Gun Burner
S-Oil, Direct Vent, Gun Burner
Comfort Model
H - Heating
A - Heating, A/C Ready
B - A/C Ready, 3 Ton
C - A/C Ready, 4 Ton
D - A/C Ready, 5 Ton
M 1 M B - 056 A - B W
