Instruction/ maintenance manual of the product 333BAV Bryant
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NOTE: Read the entire instruction manual before performing any service or maintenance. This symbol → indicates a change since the last issue. These procedures are for size 60,000 through 120,000 Btuh units. Index Page SAFETY CONSIDERATIONS .........
ELECTROSTATIC DISCHARGE (ESD) PRECAUTIONS PROCEDURE CAUTION: Electrostatic discharge can affect electronic components. Take precautions during furnace installation and servicing to protect the furnace electronic control and motor. Precautions will prevent electrostatic discharges from personnel and hand tools which are held during the procedure.
a. Turn off electrical supply before removing blower and control access doors. b. Release filter retainer from clip at front of furnace casing. (See Fig. 4.) For side return, clips may be used on either or both sides of the furnace. c. Slide filter out.
a. Draft safeguard switch. b. Inducer motor. c. Pressure switch(es). d. Limit overtemperature switch(es). e. Gas valve. f. Hot surface ignitor. g. Flame-sensing electrode. h. Wiring connectors leading to control. 4. Remove 2 screws that secure relief box.
g. Flame-sensing electrode. h. Wiring connectors leading to control. 12. Reconnect vent pipe to relief box. 13. Replace blower door only. 14. Turn power and gas to ON. 15. Set thermostat and check furnace for proper operation. 16. Verify blower airflow and that airflow rate changes between heating and cooling.
→ Fig. 8—Heating and Cooling Application Wiring Diagram for 2-Stage Thermostats and/or 2-Speed Condensing Units A97589 115-V FIELD- SUPPLIED FUSED DISCONNECT JUNCTION BOX CONTROL BO.
→ Fig. 9—Unit Wiring Diagram A97587 RED LS FRS2 RED RED FRS1 (WHEN USED) ALS2 DSS ORN LGPS YEL NOTE 9 LPS NOTE 9 (WHEN USED) RED YEL ORN (WHEN USED) NOTE 7 ALS1 ORN SWITCH 12 HEAT SET-UP SWITCH NORM HI HT LO HT * ON OFF OFF ON BLOWER- OFF DELAY (SEC.
Fig. 10—Service Label A94169 SERVICE EACH OF THE FOLLOWING STATUS CODES IS A TWO-DIGIT NUMBE R WITH THE FIRST DIGIT DETERMINE D BY THE NUMBER OF SHORT FLASHES AND THE SECOND DIGIT BY THE NUMBER OF LONG FLASHES.
A96062 If inducer and burners continue to operate, check for 24v at the gas valve. If 24v are present, verify that the thermostat is open across R and W. If no voltage is present, turn the gas valve control knob to the OFF position. Replace gas valve.
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A94328 SERVICE TRAINING Packaged Service Training programs are an excellent way to increase your knowledge of the equipment discussed in this manual, including: • Unit Familiarization.
An important point after buying a device Bryant 333BAV (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 333BAV 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 333BAV - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Bryant 333BAV you will learn all the available features of the product, as well as information on its operation. The information that you get Bryant 333BAV will certainly help you make a decision on the purchase.
If you already are a holder of Bryant 333BAV, 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 333BAV.
However, one of the most important roles played by the user manual is to help in solving problems with Bryant 333BAV. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Bryant 333BAV 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
