
Table 10. M1/M5 Furnace Specifications - Factory Settings
31
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 | Furnace | Input | Output | Orifice No | E.S.P. | 
 | Pilot | Ignitor | Comb. | Motor | A/C Ready | 
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 | Model No | MBtu/h | MBtu/h | Nat. | 
 | LP | In WC | 
 | Burner | Direct | Blower | Hp | Tons | 
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| 
 | M1GB 056 | 56 | 45 | 29 | 
 | 45 | 0.3 | 
 | x | 
 | 
 | 1/4 | 3 | 
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| 
 | M1GB 070 | 70 | 57 | 24 | 
 | 42 | 0.3 | 
 | x | 
 | 
 | 1/4 | 3 | 
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| 
 | M1GB 077 | 77 | 62 | 21 | 
 | 40 | 0.3 | 
 | x | 
 | x | 1/4 | 3 | 
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| 
 | M1GB 090 | 90 | 72 | 17 | 
 | 36 | 0.3 | 
 | x | 
 | x | 1/4 | 3 | 
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| 
 | M1MB 056 | 56 | 46 | 29 | 
 | 45 | 0.3 | 
 | 
 | x | x | 1/4 | 3 | 
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| 
 | M1MC 056 | 56 | 46 | 29 | 
 | 45 | 0.3 | 
 | 
 | x | x | 1/2 | 4 | 
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| 
 | M1MB 070 | 70 | 57 | 24 | 
 | 42 | 0.3 | 
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 | x | x | 1/4 | 3 | 
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| 
 | M1MC 070 | 70 | 57 | 24 | 
 | 42 | 0.3 | 
 | 
 | x | x | 1/2 | 4 | 
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| 
 | M1MB 077 | 77 | 62 | 21 | 
 | 40 | 0.3 | 
 | 
 | x | x | 1/4 | 3 | 
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| 
 | M1MC 077 | 77 | 62 | 21 | 
 | 40 | 0.3 | 
 | 
 | x | x | 1/2 | 4 | 
 | FIGURES | 
| 
 | M1MB 090 | 90 | 72 | 17 | 
 | 36 | 0.3 | 
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 | x | x | 1/4 | 3 | 
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| 
 | M1MC 090 | 90 | 72 | 17 | 
 | 36 | 0.3 | 
 | 
 | x | x | 1/2 | 4 | 
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| 
 | 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 | 
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 | TABLES | ||||||||||
| 
 | M1BB 086 | 86 | 68 | 18 | 
 | 37 | 0.3 | 
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 | x | x | 1/4 | 3 | 
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| 
 | M1BC 086 | 86 | 68 | 18 | 
 | 37 | 0.3 | 
 | 
 | x | x | 1/2 | 4 | 
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| 
 | M5SB 066 | 66 | 56 | .50 Gph | 
 | 0.3 | 
 | 
 | x | Burner Model: | 1/4 | 3 | 
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 | |
| 
 | M5SC 066 | 66 | 56 | .50 Gph | 
 | 0.3 | 
 | 
 | x | 1/2 | 4 | 
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| 
 | M5SB 086 | 86 | 73 | .65 Gph | 
 | 0.3 | 
 | 
 | x | Spray Angle: | 1/4 | 3 | 
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| 
 | M5SC 086 | 86 | 73 | .65 Gph | 
 | 0.3 | 
 | 
 | x | 80° A | 1/2 | 4 | 
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| 
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 | • Electrical Supply - 120 volts, 60HZ, 1 Ph. | 
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| 
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 | Fuse or Breaker - 15 amps | 
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 | • Thermostat Circuit - 24 volts, 60HZ, 30 vac | 
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| 
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 | • Temperature Rise - 45° F to 75° F | 
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| 
 | NOTES: | 
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 | • Normal Anticipator Setting - 0.4 | 
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| 
 | • High | Altitude | - See | Table 12 | (page | 32). For | 
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 | • Manifold Pressure - Natural Gas: 3.5” w.c. | 
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 | Canadian Altitudes (2,000’ to 4,500’), reduce the | 
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 | LP Gas: 10” w.c. | 
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 | gas manifold pressure to 3.0” W.C. for natural gas | 
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 | and to 8” W.C. for LP gas. | 
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