Legend, Figure 8—model 240-479 wiring diagram – Bryant 479 D User Manual
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LEGEND
A70216
1A1 & 1A2-Transformer (Cooling)
1B-Transformer (Heating)
2A1-Blower Relay, SPST, (Cooling)
2A2-Control Relay, SPST
2D1 & 2D2-Power Relay, DPST, (Cooling)
2G-Heating Relay
2J1 & 2J2-Relay Circuit Breaker Lockout
2M-Starter, Blower TPST
3A1 & 3A3-Solution Pump Motor
3A2 & 3A4-Water Pump Motor
3C1 Thru 3C6-Fan Motor, PSC
3E-Blower Motor
5B1 & 5B2-Gas Valve (Cooling)
5B3-Gas Valve (1st Stage) (Heating)
5B4-Gas Valve (2nd Stage) (Heating)
6B1 Thru 6B6-Reignition Pilot
7A1 & 7A2-Pressure Switch, SPST
7H1, 2, 5, 6, & 9-Limit Switch SPST (Temp
Cont.)
7H3, 4, 7 & 8-Limit Switch (Sec. Temp Cont.
Manuai Reset), SPST
7K-Limit Switch, Upper, SPOT
7L1 & 7L2-Ambistat (Part Load Control),
SPST
7P1 Thru 7P3-Pressure Switch, Pilot Gas,
SPST
8C1 Thru 8C3-Starter Overload (Manual
Reset)
9E-Disconnect Switch
11A1 Thru 11A3-Resistor
11B1 & 11B2-45 Amp. Fuse
11B3-70 Amp. Fuse
4E1 Thru 4E6-Capacitor
Figure 8—Model 240-479 Wiring Diagram