OIL CONDENSING BOILER
INSTALLATION AND USER MANUAL
INSTALLATION & USER MANUAL www.krb.co.kr
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5. Product Maintenance
5.1. Boiler cleaning
1
Turn boiler power off and wait until the system is
cooled down sufficiently.
Close the fuel supply valve to cut off fuel feed.
Remove the A/S cover and front casing.
2
First, disconnect all the cables from the burner.
1. Disconnect copper fuel pipe from the burner
nozzle adapter using a tool.
2. Remove two fixing nuts on both sides of the
burner.
3. Remove 6 nuts on the hood and heat exchanger.
3
Disconnect the hose from the neutralizer at the
bottom of the boiler.
The hose is joined with a clip.
4
Remove the exhaust hood and the baffle plates in
the fire (smoke) tubes.
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