HEAT PUMP

TROUBLESHOOTING–COOLING CYCLE

NO COOLING OR

INSUFFICIENT

COOLING

COMPRESSOR WILL NOT RUN

COMPRESSOR

RUNS BUT

CYCLES ON

INTERNAL

OVERLOAD

COMPRESSOR

RUNS BUT

INSUFFICIENT

COOLING

OUTDOOR FAN

HIGH SUCTION

HIGH SUCTION

CONTACTOR

OPEN

POWER SUPPLY

DEFECTIVE

LOW-VOLTAGE TRANSFORMER

OPEN

THERMOSTAT

OPEN CONTROL

CIRCUIT

LOSS OF

CHARGE

CONTACTOR OR COIL DEFECTIVE

LOOSE

CONTACTOR

CLOSED

COMPRESSOR POWER SUPPLY OPEN

LOOSE LEADS AT

COMPRESSOR

FAULTY START

GEAR (1-PH)

OPEN SHORTED OR GROUNDED COMPRESSOR MOTOR WINDINGS

COMPRESSOR

STUCK

COMPRESSOR

INTERNAL

PROTECTION

OPEN

STOPPED OR CYCLING ON OVERLOAD

OUTDOOR AIR

RESTRICTED OR RECIRCULATING

DAMAGED OR

STUCK

REVERSING

VALVE

RESTRICTED DISCHARGE TUBE

OVERCHARGE

OR NON-

CONDENSABLES

IN SYSTEM

LOW

REFRIGERANT

CHARGE

LINE VOLTAGE TOO HIGH OR LOW

LOOSE LEAD

AT FAN MOTOR

DEFROST RELAY N.C. CONTACTS OPEN

MOTOR

DEFECTIVE

INCORRECT

OFM

CAPACITOR

DEFECTIVE

DEFROST

THERMOSTAT

LOW SUCTION

PRESSURE

DIRTY AIR

FILTERS

DUCT

RESTRICTED

DAMPERS

PARTLY CLOSED

INDOOR COIL

FROSTED

SLIGHTLY

LOW ON

REFRIGERANT

LIQUID LINE

SLIGHTLY

RESTRICTED

LOW HEAD

PRESSURE

REVERSING

VALVE HUNG UP

OR INTERNAL

LEAK

DEFECTIVE

COMPRESSOR

VALVES

INTERNAL

PRESSURE

RELIEF OPEN

LOW

SUPERHEAT

UNIT

OVERCHARGED

INCORRECT

SIZE

PISTON

ELECTRICAL CONNECTION

DEFECTIVE RUN

CAPACITOR

DEFECTIVE RUN

CAPACITOR

COMPRESSOR

BEARINGS

HIGH

SUPERHEAT

PISTON

RESTRICTED

INCORRECT

SIZE

PISTON

INDOOR COIL

STRAINER

RESTRICTED

INDOOR

BLOWER MOTOR

DEFECTIVE OR CYCLING ON OL

A90207

Fig. 53—Heat-Pump Troubleshooting Chart — Cooling Cycle

—49—

Page 49
Image 49
Bryant R-22 service manual Heat Pump TROUBLESHOOTING-COOLING Cycle

R-22 specifications

The Bryant R-22 stands out in the landscape of residential heating and cooling systems with its combination of efficiency, durability, and modern technology. Designed primarily for homeowners seeking comfortable climate control solutions, the R-22 model delivers consistent performance throughout varying seasonal extremes.

One of the main features of the Bryant R-22 is its high energy efficiency. Rated with a SEER (Seasonal Energy Efficiency Ratio) that meets or exceeds industry standards, this air conditioning unit is designed to reduce energy consumption while providing optimal cooling. This not only helps in lowering monthly utility bills but also promotes environmentally responsible usage.

Another notable characteristic is the unit's durability. Constructed with a robust cabinet and high-quality components, the R-22 is built to withstand the rigors of daily use, with protective features that enhance its longevity. The cabinet comes with a powder-coated finish that resists corrosion and harsh weather conditions, ensuring that the unit stays functional and aesthetically pleasing for years.

The Bryant R-22 also incorporates advanced technology to improve user experience. One such innovation is the SmartSet technology, which allows homeowners to program their unit to optimize comfort levels according to their specific needs. This programmable capability enhances energy savings and ensures that the home remains at the desired temperature when residents are present.

Moreover, the unit features a Quiet Operating System that significantly reduces noise levels, making it suitable for residential areas where noise might be a concern. The design minimizes vibrations and optimizes airflow, creating a comfortable environment without disruptive sounds.

For added convenience, the Bryant R-22 is compatible with various thermostat options, including Wi-Fi-enabled models. This allows users to control their home's climate from anywhere using a smartphone app, facilitating effortless adjustments and monitoring of energy usage.

Finally, the Bryant R-22 is backed by a solid warranty, providing peace of mind for homeowners. This commitment to quality and customer satisfaction is a testament to Bryant’s dedication to producing reliable and efficient HVAC solutions. Overall, the Bryant R-22 is an exemplary choice for those looking to enhance their home comfort with the latest in HVAC technology.