Bryant R-22 service manual Defrost Control SPEED-UP Timing SE, Speed-Up, Parameter Minimum Maximum

Page 20

G

 

 

OF1 OF2

 

 

 

 

 

 

 

 

 

 

 

OF2

 

 

 

 

 

 

 

OF1

 

 

 

 

 

E

 

 

 

 

 

 

 

 

 

W2

14

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

L

 

 

 

 

 

 

 

 

 

W3

 

 

G

C

 

 

 

 

 

R

 

 

R

C

 

 

 

 

 

Y

 

 

R

C

 

 

 

 

 

 

 

 

 

O

R

T2 Y

TI DFT C

 

TEST 30 50 90

O

 

 

Y

C

 

 

 

 

 

 

 

 

 

 

 

 

 

 

W1

C

 

 

O

DFT

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

O

 

 

 

 

 

 

50 90

 

R

 

 

 

 

 

 

 

W2

 

 

 

 

 

W1

 

 

 

 

 

 

 

 

 

 

 

Y

 

 

 

 

 

 

 

 

 

C

 

 

 

 

 

HK32FA003/HK32FA006

CES0110063,

 

 

 

 

 

 

 

 

 

 

 

 

 

A88404

CES0130024

 

 

 

 

 

 

Fig. 20—Inserting Jumper Wire

 

 

 

 

A91444

 

 

 

 

 

 

 

 

 

G

 

 

OF2 OF1

 

 

 

 

 

 

 

 

 

 

OF2

 

 

 

 

 

 

 

 

 

 

 

 

E

 

 

 

OF1

 

 

 

 

 

 

 

 

 

 

 

 

 

W2

14

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

L

 

 

 

 

 

 

 

 

 

W3

 

G

C

 

 

 

 

 

R

 

 

R

C

 

 

 

 

 

Y

 

 

R

C

 

 

 

 

 

O

 

 

Y

C

 

 

 

 

 

C

 

 

O

DFT

O

R T2

Y TI DFT

C

TEST 30 50 90

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

W1

 

30 50

 

 

 

 

 

 

 

 

W1

 

 

 

 

 

 

 

 

O

 

 

 

 

 

HK32FA003/HK32FA006

 

 

 

 

 

R

 

 

 

 

 

 

 

 

 

 

 

 

A88403

W2

 

 

 

 

 

Y

 

 

 

 

 

 

 

 

C

 

 

 

 

 

 

 

 

CES0110063,

 

 

 

 

 

 

 

CES0130024

 

 

 

 

Fig. 21—Checking Between C and W2

 

 

 

A91443

 

 

 

 

 

13. Shut off unit power and reconnect fan lead.

TABLE 10—DEFROST CONTROL SPEED-UP TIMING SE-

14. Remove jumper between DFT and R terminals. Reconnect

QUENCE FOR CES0110063/CES0130024

defrost-thermostat leads. Failure to remove jumper causes

 

 

 

 

 

 

 

 

 

 

 

SPEED-UP

unit to switch to defrost every 30, 50, or 90 minutes and

PARAMETER

MINIMUM

MAXIMUM

(NOMINAL)

remain in defrost for full 10 minutes.

 

 

 

 

 

30-minute cycle

27

33

 

7 sec

15. Replace control-box cover. Restore power to unit.

 

50-minute cycle

45

55

 

12 sec

If defrost thermostat does not check out following above items or

90-minute cycle

81

99

 

21 sec

incorrect calibration is suspected, check for a defective thermostat

10-minute cycle

9

11

 

2 sec

as follows.

5 minutes

4.5

5.5

 

1 sec

 

 

 

 

 

 

 

 

 

1.Follow items 1-5 above.

2.Route sensor or probe underneath coil (or other convenient location) using thermocouple temperature-measuring de- vice. Attach to liquid line near defrost thermostat. Insulate for more accurate reading.

3.Turn on power to outdoor unit.

—20—

4.Restart unit in heating.

5.Within a few minutes, liquid-line temperature drops within a range causing defrost-thermostat contacts to close. Tem-

perature range is from 33°F to 27°F. Notice temperature at which ohmmeter reading goes from ∞ to zero ohms. Thermostat contacts close at this point.

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Contents Table of Contents Safety ConsiderationsII. ADD-ON Replacement Retrofit Accessory DescriptionsVIII. LOW-AMBIENT Pressure Switch III. Seacoast for AIR Conditioners onlyII. Interconnecting Tubing Sizing IX. Wind BaffleCoastal Filter XI. Support FeetMatl 18 GA Steel Matl 20 GA SteelUnit Size Unit Height SmallMedium Baffle LeftIII. Metering Device Sizing Wind Baffle Dimensions for Cube UnitsEstimated Percentage of Nominal COOLING-CAPACITY Losses IV. LIQUID-LINE Solenoid and Tubing CONFIGU- Ration Fitting Losses in Equivalent FTExample Calculation of Indoor Piston noCommon Piston Sizes LIQUID-LINE Solenoid KIT Part NumbersCharging Information VI -SPEED ApplicationsII. Serial Number Identification Positions 6 through 10-Serial NumberII. Remove FAN-MOTOR ASSEMBLY-BEFORE 1/1/92 CabinetRemove TOP COVER-BEFORE 1/1/92 III. Information PLATE-RELIANT ProductsVI. Remove FAN-MOTOR ASSEMBLY-AFTER 1/1/92 Electrical Aluminum Wire Basic Cabinet DesignsInformation Plate II. ContactorsIII. Capacitors Start Capacitors and PTC DevicesTemporary Capacitance Boost IV. Cycle ProtectorVI. TIME-DELAY Relay Crankcase HeaterVII. Pressure Switches LOW-PRESSURE SwitchHIGH-PRESSURE Switch LIQUID-LINE Pressure SwitchVIII. Defrost Thermostats IX. DEFROST-CONTROL BoardCES0110063 Defrost Control CES0110063 CES0130024Parameter Minimum Maximum Defrost Control SPEED-UP Timing SESPEED-UP FAN Motors Defrost Timer SettingsXI. Service Alarm Control Board OF2 CESO130076-00 XII. Outdoor ThermostatsFAN Position Aeroquiet System and Aeromax TOPService Alarm Wiring Connections XIII. Compressor PlugMechanical Failures XIV. LOW-VOLTAGE TerminalsReciprocating Compressor II. Electrical Failures III. System Cleanup After Burnout IV. Compressor Removal and ReplacementCopeland Scroll Compressor Features II. TroubleshootingCompressor OIL Recharge III. Discharge ThermostatMillennium Scroll Compressor Features III. TroubleshootingIV. Scroll COMPRESSOR, 3-PHASE Monitor II. Compressor ProtectionIFR Indoor External Power Supply 24 Cont Equip GND CAP OFM LogicCESO130075 Cont HPS LPSAmbient Temperature for HIGH- LOW-SPEED Operation Function Light Code and Display Location III. Factory Defaults Factory DefaultsCompressor PTC Ranges IV. Major ComponentsLED FUNCTION/MALFUNCTION Lights VI. TroubleshootingTWO-SPEED Compressor Winding Resistance AT 70F ± Refrigeration System Refrigeration Cycle II. Leak DetectionLow-Speed Windings 24V PIN Connection Troubleshooting III. BrazingCooling Cycle AllService Valves IV. Service ValvesVI. Reversing Valve Reliant Products Except 1992 ProductionReliant and Cube Products Produced Reversing Valve VII. THERMOSTATIC-EXPANSION Valves TXVTXV Superheat Setting AT Outlet of Evaporator Coil Installation TXV Type Product Usage Superheat SettingVIII. THERMOSTATIC-EXPANSION Valve BI-FLOW TXV IX. Coil RemovalTXV in Cooling Mode XI. Accumulator XII. Contaminant RemovalXIII. System Charging XIV. Checking ChargeRequired Vapor Temperature F Superheat Charging TableSuperheat Charging Method Subcooling Charging MethodReliant Heat Pumps Care and MaintenanceReliant AIR Conditioners Required LIQUID-LINE Temperature Page AIR Conditioner Troubleshooting Chart Heat Pump TROUBLESHOOTING-COOLING Cycle Heat Pump TROUBLESHOOTING-HEATING Cycle
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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.
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