LEGEND
CÐ Contactor
CR | Ð Control Relay |
GV | Ð Gas Valve |
HA | Ð Heat Anticipator |
HR | Ð Heating Relay |
TC | Ð Thermostat, Cooling |
TH | Ð Thermostat, Heating |
TRAN Ð Transformer
Screw Terminal
Factory Control Wires
Printed Circuit
Field Wiring
*One for each module.
NOTES:
1.COOLING
Stage 1 Ð Module 3 Stage 2 Ð Module 2 and 4
If thermostat wires are interchanged, the reverse may be obtained.
HEATING
Stage 1 Ð First stage of modules 2, 3, and 4
2.Set heat anticipator (HA1) at .13.
Fig. 18 Ð 48MA;
23
