Initial Sta rt-up and Service
39
Procedure (continued)
2. Cleaning heat exchanger (continued)
Service
Service
10. Inspect combustion chamber by
using a flashlight between front
section legs.
11. Before reinserting burner manifold,
clean stainless steel burners with a
soft brush. Vacuum or sweep away
particles.
12. Inspect pilot burner system. Check
igniter for deterioration.
13. Inspect all parts which come into
contact with flue gas for corrosion,
deterioration, leaks, and proper
operation. Replace parts as
necessary with replacement parts
obtained from a Vies s mann
distributor. Do not replace with non
Viessmann parts.
14. Reverse steps 3 through 8 to
reassemble boiler. Seal collector box
to side brackets using adhesive
backed ½” fiberglass gasket and
high t emperature RTV silicone
sealant (500°F temperature rating).
15. Reconnect all wiring between gas
manifold and boiler control panel.
See wiring diagram on page 46.
16. Check ignition system for proper
operation. See ladder diagram on
page 47.
5167 450 v1.4
Do not use water to clean.
CAUTION
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