Instruction/ maintenance manual of the product 661S Bryant
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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.
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.
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.
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.
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.
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.
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.
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.
An important point after buying a device Bryant 661S (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought Bryant 661S yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data Bryant 661S - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Bryant 661S you will learn all the available features of the product, as well as information on its operation. The information that you get Bryant 661S will certainly help you make a decision on the purchase.
If you already are a holder of Bryant 661S, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime Bryant 661S.
However, one of the most important roles played by the user manual is to help in solving problems with Bryant 661S. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Bryant 661S along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center
