HEAT PUMP

TROUBLESHOOTING–HEATING CYCLE

NO HEATING OR

INSUFFICIENT

HEATING

COMPRESSOR WILL NOT RUN

COMPRESSOR

RUNS BUT

CYCLES ON

INTERNAL

OVERLOAD

COMPRESSOR

RUNS

INSUFFICIENT

HEATING

CONTACT

OPEN

DEFECTIVE LOW-

VOLTAGE

TRANSFORMER

REMOTE

CONTROL

CENTER

DEFECTIVE

CONTACTOR

COIL OPEN OR

SHORTED

OPEN INDOOR THERMOSTAT

LIQUID-LINE PRESSURE SWITCH OPEN

LOSS OF

CHARGE

CONTACTOR

CLOSED

COMPRESSOR POWER SUPPLY

LOOSE LEADS AT

COMPRESSOR

FAULTY START

GEAR (1-PH)

COMPRESSOR

STUCK

COMPRESSOR

INTERNAL

OVERLOAD

OPEN

OPEN SHORTED OR GROUNDED COMPRESSOR WINDINGS

DIRTY FILTERS

OR INDOOR

COIL

INDOOR FAN STOPPED OR CYCLING ON OVERLOAD

DAMAGED

REVERSING

VALVE

RESTRICTION IN DISCHARGE LINE

OVERCHARGE

OR NON-

CONDENSABLES

IN SYSTEM

LOW

REFRIGERANT

CHARGE

LINE VOLTAGE TOO HIGH OR LOW

DEFECTIVE FAN

MOTOR

CAPACITOR

LOOSE LEADS

AT

FAN MOTOR

FAN MOTOR

BURNED

OUT

LOW SUCTION

LOW HEAD

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

OUTDOOR FAN

 

 

OUTDOOR FAN

 

STOPPED

 

 

RUNNING

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

LOOSE LEADS

 

 

REVERSING

 

AT OUTDOOR

 

 

 

 

 

VALVE STUCK

 

FAN MOTOR

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

INTERNAL FAN

 

 

RESTRICTED

 

MOTOR KLIXON

 

 

 

 

 

LIQUID LINE

 

OPEN

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

FAN MOTOR

 

 

PISTON

 

 

 

RESTRICTED OR

 

BURNED OUT

 

 

 

 

 

IS CLOGGED

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

DEFROST RELAY

 

 

 

 

 

N.C. CONTACTS

 

 

UNDER-

 

OPEN ON

 

 

CHARGED

 

CIRCUIT BOARD

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

OUTDOOR COIL

 

 

 

 

 

DIRTY

 

 

 

 

 

 

 

STRIP HEATERS NOT OPERATING

OUTDOOR

THERMOSTAT

DEFECTIVE

ODT SETTING

TOO LOW

CAP TUBE

PINCHED OR

BULB NOT

SENSING TRUE

ODT

STRIP HEATER

RELAY OR

CONTACTOR

DEFECTIVE

OPENING IN

POWER CIRCUIT

TO HEATER

ELEMENTS

BROKEN FUSE

LINK

 

OPEN CONTROL

 

 

DEFECTIVE RUN

 

CIRCUIT

 

 

CAPACITOR

 

 

 

 

 

DEFECTIVE RUN

CAPACITOR

(1-PH)

COMPRESSOR

BEARINGS

HIGH-LOAD

CONDITION

REVERSING

VALVE JAMMED IN MIDPOSITION

HIGH

SUPERHEAT

 

 

 

 

 

STRAINER

 

 

 

 

 

RESTRICTED

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

OUTDOOR COIL

 

 

 

 

 

HEAVILY

 

 

 

 

 

FROSTED

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

FAN MOTOR

 

 

 

 

DEFECTIVE

CONTACTS

 

 

 

 

WELDED CLOSED

 

 

 

 

DEFROST

 

 

 

 

IN DEFROST

 

 

 

 

THERMOSTAT

RELAY

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

DEFROST

REVERSING

 

 

 

 

THERMOSTAT IN

VALVE DID NOT

 

 

 

 

POOR PHYSICAL

 

 

 

 

SHIFT

 

 

 

 

CONTACT WITH

 

 

 

 

 

TUBE

 

 

 

 

 

 

 

 

UNIT NOT

 

 

 

 

DEFECTIVE

PROPERLY

 

 

 

 

 

 

 

 

CIRCUIT BOARD

CHARGED

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

BAD ELECTRICAL

 

 

 

 

 

CONNECTION

 

 

 

 

 

ANYWHERE IN

 

 

 

 

 

 

 

 

 

 

DEFROST

 

 

 

 

 

CIRCUIT

BROKEN

HEATER

ELEMENT

OPEN (KLIXON)

OVER

TEMPERATURE THERMOSTAT

DEFECTIVE

ROOM

THERMOSTAT (2ND STAGE)

A90206

Fig. 54—Heat-Pump Troubleshooting Chart — Heating Cycle

—50—

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Image 50
Bryant R-22 service manual Heat Pump TROUBLESHOOTING-HEATING 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.