Carrier BW9 Manuel du propriétaire télécharger pdf (Page 7)

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To inspect the combustion area and vent system, you will need a ﬂashlight. Then referring to Fig. 25, 26, 27 or Fig. 28, 29 and 30 proceed as

follows:

1. Turn the electrical supply to the boiler to OFF, and remove burner access door.

25 26 27

Model BW9-125 Through 200

28 29 30

Model BW9-50 Through 100

2. Using the sight glass, carefully inspect the burner area including the burner for dirt, soot, or rust. Service and additional maintenance

information can be located in the installation instructions.

3. Inspect the exhaust pipe and combustion air pipe for sags, holes, or disconnections. Use Fig. 31 for reference.

CAUTION: UNIT OPERATION HAZARD. Failure to follow this caution may result in unit or property damage. If dirt,

rust, soot, or scale accumulations are found, call your dealer. DO NOT OPERATE YOUR BOILER.

SIGHT GLASS

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Carrier BW9 Manuel du propriétaire Page 7