
11—Two-Speed Heat Pump ® Fig. 12—Two-Speed Heat Pump with Single-Stage Furnace with 2-Stage or Variable-Speed Furnace —Model 2S Thermostat —Model 2S Thermostat —9— MODEL 2S SINGLE-SPEED THERMOSTAT EASY SELECT HEAT PUMP TERMINAL BOARD MODEL 2S TYPICAL TWO-SPEED THERMOSTAT FAN COIL HEAT PUMP 24 VAC HOT FAN HEAT STAGE 3 COOL/HEATSTAGE 2 RVS COOLING COOL/HEATSTAGE 1 R G W/W1 Y/Y2 O/W2 Y1/W2 R G 24 VAC COMM N/A OUTDOOR SENSOR CONNECTION C B S1 S2 C Y2 C W2 R O Y1 W3 See notes 3, 7, 8, 9, and 11 W2 Y