FANS AND FAN MOTOR Periodically, check the condition of fan wheels and housings and fan-motor shaft bearings. Contact your dealer for the required annual maintenance. —2— ACCESS PANEL FILTER ACCESS PANEL* *For accessory filter rack. ACCESS PANEL FILTER ACCESS PANEL* *For accessory filter rack. C99094 Fig. 2—Accessory Filter Rack Access Panel INDOOR AND OUTDOOR COILS Cleaning of the coils should only be done by qualified service personnel. Contact your dealer for the required annual maintenance.

User Information Manual 674B SINGLE-PACKAGED GAS HEAT/ELECTRIC HEAT PUMP UNIT WITH PURON® (R-410A) REFRIGERANT NOTE: Read the entire instruction manual before starting the installation. SAFETY CONSIDERATIONS Note to Installer: This manual should be left with the equipment user. Installation and servicing of air-conditioning equipment can be hazardous due to system pressure and electrical components. Only trained and qualified personnel should install, repair, or service air-conditioning equipmen

Your heat pump will work longer to keep your home comfortable under these conditions: 1. Entrance doors are frequently opened and closed 2. Laundry appliances are being operated 3. A shower is running 4. More than the usual number of people are present in the home 5. More than the normal number of electric lights are in use 6. Drapes are open on the sunny side of the home II. HEATING MODE With the SYSTEM or MODE control of your indoor thermostat set to HEAT, your heat pump will run in heating mo

Maintenance can be accomplished easily by referring to the following directions. However, before performing maintenance, consider these important safety precautions: WARNING: Disconnect all electrical power to the indoor air handler or furnace before removing access panels to perform any maintenance. Disconnect power to both the indoor and outdoor units. Note: There may be more than 1 electrical disconnect switch. Electrical shock can cause serious injury or death. CAUTION: Although special care

user’sinformationmanualSINGLEPACKAGED HEATPUMPUNITS657ASizes024-060Cancels: OM02-53 OM02-65 1/03 Model 657A Packaged Heat Pump Units Without Base Rail Model 657A Packaged Heat Pump Units With Optional Base Rail WELCOME TO EFFICIENT YEAR-ROUND COMFORT Congratulations on your excellent choice and sound investment in home comfort! Your new heat pump represents both the latest in engineering development and the culmination of many years of experience from one of the most reputable manufacturers of c

A97374 IMPORTANT: When using outdoor thermostat, W2 must be energized when requesting supplemental heat. FA, FB, FC, TWO OTHER FD, FF, FH HEAT OUTDOOR HP THERMOSTAT FAN COIL PUMP THERMOSTATS OTHER FK4C HEAT HP THERMOSTAT FAN COILPUMP 24 VAC HOT 24 VAC COM HEAT STAGE 2 COOL/HEAT STAGE 1 INDOOR FAN RVS COOLING EMERGENCY HEAT R C W2 Y G R W3 W2 G E W2 C O R C O Y E ODT ODT EHR EHR EHR * * * 24 VAC HOT R C W2 Y G R DH C RVS COOLING C W2 G Y/Y2 O Y1 O E W1 W2 R Y 24 VAC COM HEAT STAGE 2 COOL/HEAT STA

Use all service ports and open all flow-control devices, including solenoid valves. CAUTION: If ANY refrigerant tubing is buried, provide a 6 in. vertical rise at service valve. Refrigerant tubing lengths up to 36 in. may be buried without further special consideration. For lengths above 36 in., consult your local distributor. CAUTION: To prevent damage to unit or service valves observe the following: •Use a brazing shield. •Wrap service valves with wet cloth or use a heat-sink material. Outdoor

WARNING: Before installing, modifying, or servicing system, main electrical disconnect switch must be in the OFF position. There may be more than 1 disconnect switch. Lock out and tag switch(es) with a suitable warning label. Electrical shock can cause personal injury or death. INSTALLATION RECOMMENDATIONS NOTE: In some cases noise in the living area has been traced to gas pulsations from improper installation of equipment. 1. Locate unit away from windows, patios, decks, etc. where unit operati

Provides 3 stages of auxiliary heat for even heating comfort via W/W1 and Y1/W2. Refer to FK4 Installation Instructions. A97405 Fig. 12—Typical 24-v Circuit Connections using Bryant Model 2S Thermostat with FK4C Fan Coil and Smart Staging —8— FA, FB, FC, FH PROGRAMMABLE FA, FB, FC, FH BRYANT BRYANT FAN COIL PROGRAMMABLE WITH ONE THERMOSTAT FAN COIL WITH HEAT . MODEL HP SMART HEAT PUMP. THERMOSTAT SMART OUTDOOR HEAT MODEL HP HEAT THERMOSTATPUMP 24 VAC HOT R G W/W1 Y/Y2 O/W2RVS COOLING C B S1 S2 Y

2—Bryant Non-Programmable Thermostat fiers offer the added benefits of having the air continuously cleaned year-round, and humidified during the winter season. • Ventilation A system equipped with a heat or energy recovery ventilator offers the advantage of exhausting stale air from the home and allowing fresh air in from the outdoors while minimizing heat loss. • Zoning Your system may also be equipped with a zoning system which allows individual control over the temperatures of separate areas