necessary to correct problems due to improper setup, improper installation, furnace adjust- ments, improper operating procedure on the part of the user, etc.
Some specific examples of service calls which cannot be included in warranty payments are:
1.Converting the furnace to use another type of gas.
2.Repairing duct work in the home found to be faulty.
3.Correcting wiring problems in the electrical circuit supplying the furnace.
4.Resetting circuit breakers, blown fuses or other switches.
5.Correcting problems due to improper gas supply pressure to the furnace.
6.Providing instructional training on how to light and operate the furnace.
7.Furnace problems caused by installation of an air conditioner, heat pump or other air comfort devices.
8.Adding a Roof Jack extension because of unusual wind and/or snow conditions.
9.Revising installation of the furnace flue as- sembly (Roof Jack).
10.Adjusting or calibrating of thermostat.
11.Any construction debris which falls into flue system.
Furnace | Input | Output | Orifice No | E.S.P. | Pilot | Ignitor | Comb. | Motor | A/C Ready | |
Model No | MBtu/h | MBtu/h | Nat. | LP | In WC | Burner | Direct | Blower | Hp | Tons |
M1GH 056 | 56 | 45 | 29 | 45 | 0.3 | x |
|
| 1/8 | 2* |
M1GB 056 | 56 | 45 | 29 | 45 | 0.3 | x |
|
| 1/4 | 3 |
M1GC 056 | 56 | 45 | 29 | 45 | 0.3 | x |
|
| 1/2 | 4 |
M1GD 056 | 56 | 45 | 29 | 45 | 0.3 | x |
|
| 3/4 | 5 |
M1GH 070 | 70 | 57 | 24 | 42 | 0.3 | x |
|
| 1/5 | 2½* |
M1GB 070 | 70 | 57 | 24 | 42 | 0.3 | x |
|
| 1/4 | 3 |
M1GC 070 | 70 | 57 | 24 | 42 | 0.3 | x |
|
| 1/2 | 4 |
M1GD 070 | 70 | 57 | 24 | 42 | 0.3 | x |
|
| 3/4 | 5 |
M1GH 077 | 77 | 62 | 21 | 40 | 0.3 | x |
| x | 1/4 | 3* |
M1GB 077 | 77 | 62 | 21 | 40 | 0.3 | x |
| x | 1/4 | 3 |
M1GC 077 | 77 | 62 | 21 | 40 | 0.3 | x |
| x | 1/2 | 4 |
M1GD 077 | 77 | 62 | 21 | 40 | 0.3 | x |
| x | 3/4 | 5 |
M1GH 090 | 90 | 72 | 17 | 36 | 0.3 | x |
| x | 1/4 | 3* |
M1GB 090 | 90 | 72 | 17 | 36 | 0.3 | x |
| x | 1/4 | 3 |
M1GC 090 | 90 | 72 | 17 | 36 | 0.3 | x |
| x | 1/2 | 4 |
M1GD 090 | 90 | 72 | 17 | 36 | 0.3 | x |
| x | 3/4 | 5 |
M1MA 056 | 56 | 46 | 29 | 45 | 0.3 |
| x | x | 1/8 | 2 |
M1MB 056 | 56 | 46 | 29 | 45 | 0.3 |
| x | x | 1/4 | 3 |
M1MC 056 | 56 | 46 | 29 | 45 | 0.3 |
| x | x | 1/2 | 4 |
M1MD 056 | 56 | 46 | 29 | 45 | 0.3 |
| x | x | 3/4 | 5 |
M1MA 070 | 70 | 57 | 24 | 42 | 0.3 |
| x | x | 1/5 | 2½ |
M1MB 070 | 70 | 57 | 24 | 42 | 0.3 |
| x | x | 1/4 | 3 |
M1MC 070 | 70 | 57 | 24 | 42 | 0.3 |
| x | x | 1/2 | 4 |
M1MD 070 | 70 | 57 | 24 | 42 | 0.3 |
| x | x | 3/4 | 5 |
M1MB 077 | 77 | 62 | 21 | 40 | 0.3 |
| x | x | 1/4 | 3 |
M1MC 077 | 77 | 62 | 21 | 40 | 0.3 |
| x | x | 1/2 | 4 |
M1MD 077 | 77 | 62 | 21 | 40 | 0.3 |
| x | x | 3/4 | 5 |
M1MB 090 | 90 | 72 | 17 | 36 | 0.3 |
| x | x | 1/4 | 3 |
M1MC 090 | 90 | 72 | 17 | 36 | 0.3 |
| x | x | 1/2 | 4 |
M1MD 090 | 90 | 72 | 17 | 36 | 0.3 |
| x | x | 3/4 | 5 |
M1BA 066 | 66 | 53 | 26 | 43 | 0.3 |
| x | x | 1/5 | 2½ |
M1BB 066 | 66 | 53 | 26 | 43 | 0.3 |
| x | x | 1/4 | 3 |
M1BC 066 | 66 | 53 | 26 | 43 | 0.3 |
| x | x | 1/2 | 4 |
M1BB 086 | 86 | 68 | 18 | 37 | 0.3 |
| x | x | 1/4 | 3 |
M1BC 086 | 86 | 68 | 18 | 37 | 0.3 |
| x | x | 1/2 | 4 |
M1SA 066 | 66 | 54 | .50 Gph |
| 0.3 |
| x | Burner Model | 1/5 | 2½ |
M1SB 066 | 66 | 54 | .50 Gph |
| 0.3 |
| x | 1/4 | 3 | |
M1SC 066 | 66 | 54 | .50 Gph |
| 0.3 |
| x | 1/2 | 4 | |
|
| Spray Angle | ||||||||
M1SB 086 | 86 | 71 | .65 Gph |
| 0.3 |
| x | 1/4 | 3 | |
|
| 80° A | ||||||||
M1SC 086 | 86 | 71 | .65 Gph |
| 0.3 |
| x | 1/2 | 4 | |
Electrical Supply - 120 volts, 60HZ, 1 Ph. Fuse or Breaker - 15 amps Temperature Rise - 45° to 75°F
High Altitude - See Table 11. For Canadian High Altitude (2,000’ to 4,500’), reduce the gas manifold pressure to 3.0” W.C. for natural gas and to 8” W.C. for LP gas.
Thermostat Circuit - 24 volts, 60HZ, 30 vac Normal Anticipator Setting - 0.4
Manifold Pressure - Natural Gas: 3.5” w.c.
LP Gas: 10” w.c.
*Blower capacity only - needs relay box for AC
Table 2. M1 Furnace Specifications
4
