Bryant 661G manual

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Table of contents for the manual

  • Page 1

    NOTE: Read the entire instruction manual before starting the installation. SAFETY CONSIDERATIONS Improper installation, adjustment, alteration, service, maintenance, or use can cause explosion, fire, electrical shock, or other conditions which may cause death, personal injury, or property damage. Consult a qualified installer, service agency, or yo[...]

  • Page 2

    When outdoor unit is connected to factory-approved indoor unit, outdoor unit contains system refrigerant charge for operation with indoor unit of the same size when connected by 15 ft of field-supplied or factory accessory tubing. For proper unit opera- tion, check refrigerant charge using charging information located on control box cover. IMPORTAN[...]

  • Page 3

    CAUTION: Remove indoor coil piston if unit is to be installed on system with a TXV metering device. Check outdoor unit piston. Remove retainer on liquid service valve and check piston size with matching number listed on outdoor unit rating plate. VII. CHECK DEFROST THERMOSTAT Check defrost thermostat to ensure it is properly located and securely at[...]

  • Page 4

    IX. MAKE ELECTRICAL CONNECTIONS WARNING: To avoid personal injury or death, do not supply power to unit with compressor terminal box cover removed. Be sure field wiring complies with local and national fire, safety, and electrical codes, and voltage to system is within limits shown on unit rating plate. Contact local power company for correction of[...]

  • Page 5

    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/HEAT STAGE 1 NOT USED 24 VAC COM NOT USED TROUBLE OPTIONAL OUTDOOR SENSOR CONNECTION Y C C * * * IF AVAILABLE * A97370 Fig. 8 — Typical 24v Circuit Connection[...]

  • Page 6

    24 VAC HOT R C W2 Y G R C RVS COOLING C W2 OTHER HP THERMOSTAT FA, FB, FC, FD, FF, FH FAN COIL HEAT PUMP G O E W2 E W3 R Y 24 VAC COM HEAT STAGE 2 COOL/HEAT STAGE 1 INDOOR FAN EMERGENCY HEAT O * * * IF AVAILABLE * A97374 Fig. 9 — Typical 24v Circuit Connections using Other HP Thermostats with Fan Coils and No Outdoor T 24 VAC HOT R C W2 Y G R W3 [...]

  • Page 7

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

  • Page 8

    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. 11.) This reduces the timing sequence to 1/256[...]