Bryant 661C - Manuals

24 VAC HOT R G W/W1 Y/Y2 O/W2 R W2 W3 E RVS COOLING C B S1 S2 W2 BRYANT PROGRAMMABLE THERMOSTAT MODEL HP FA, FB, FC, FD, FF, FH FAN COIL HEAT PUMP G Y1/W2 L R O INDOOR FAN HEAT STAGE 2 COOL/HEATSTAGE 1 NOT USED 24 VAC COM NOT USED TROUBLE OPTIONALOUTDOORSENSORCONNECTION Y C C * * * IF AVAILABLE * A9...

CAUTION: To prevent personal injury wear safety glasses, protective clothing, and gloves when handlingrefrigerant and observe the following:•Back-seating service valves are not equipped withSchrader valves. Fully back seat (counterclockwise)valve stem before removing gage-port cap.•Front-seating ser...

3. Restart unit in heating mode, allowing frost to accumulate on outdoor coil. 4. After a few minutes in heating mode, liquid line tempera- ture should drop below closing point of defrost thermostat(approximately 30°F). 5. Short between speed-up terminals with a flat-bladed screw- driver. (See Fig. ...