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Table 10. M1/M5 Furnace Specifi cations - Factory Settings
Furnace
Model No
Input
MBtu/h
Output
MBtu/h
Orifi ce No
E.S.P.
In WC
Pilot
Burner
Ignitor
Direct
Comb.
Blower
Motor
Hp
A/C Ready
Tons
Nat. LP
M1GB 056 56 45 29 45 0.3 x 1/4 3
M1GB 070 70 57 24 42 0.3 x 1/4 3
M1GB 077 77 62 21 40 0.3 x x 1/4 3
M1GB 090 90 72 17 36 0.3 x x 1/4 3
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
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
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
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
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
M5SB 066 66 56 .50 Gph 0.3 x Burner Model: 1/4 3
M5SC 066 66 56 .50 Gph 0.3 x AF-10 1/2 4
M5SB 086 86 73 .65 Gph 0.3 x Spray Angle: 1/4 3
M5SC 086 86 73 .65 Gph 0.3 x 80° A 1/2 4
NOTES:
• Electrical Supply - 120 volts, 60HZ, 1 Ph.
Fuse or Breaker - 15 amps
• Temperature Rise - 45° F to 75° F
• High Altitude - See Table 12 (page 32). For
Canadian Altitudes (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.
FIGURES & TABLES