Fig. 56 - - Step Modulating Furnace with Single- -Speed Heat
Pump
Fig. 57 - - Dual Fuel thermostat with Step- -Modulating
Furnace and Two- -Speed Heat Pump
A06682
Fig. 58 - - Two- -Stage Thermostat with Step Modulating
Furnace and Two- -Speed Air Conditioner
A06683
Fig. 59 - - Single- -Stage Thermostat with Step Modulating
Furnace and Two- -Speed Air Conditioner
53
A06684
A06685