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.

Page 19 Page 21
Page 20
Image 20
Bryant R-22 service manual Defrost Control SPEED-UP Timing SE, Speed-Up, Parameter Minimum Maximum
Page 19 Page 21

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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