Inspection
3
40
Installation and maintenance instructions for Buderus 500 - 24/S • 08/2006
Buderus • http://www.buderus-domestic.co.uk
Subject to modifications resulting from technical improvements!
3
Inspection
3.1
General directions
z
Do a visual and functional test of the installation.
3.2
Preparing the boiler for inspection
z
Disconnect the boiler from the mains power supply.
z
Remove the burner housing or cover from the heating
boiler.
3.2.1
Internal leak test
z
Disconnect the boiler from the mains power supply.
Do not allow the product to come into contact with the electrical
wiring.
3.2.2
Check the combustion chamber and heat
exchanger for pollution
3.2.3
Check the burner
3.2.4
Check the functioning and safety of the flue gas
exhaust
3.2.5
Check the pre-pressure of the expansion vessel
3.2.6
Check the hot water cylinder for leakage
3.2.7
Check the programming of the room thermostat
DANGER OF FATAL INJURY
due to electric shock when system is opened.
z
Before opening the system:
disconnect the heating unit at the emer-
gency OFF switch or the corresponding
circuit breaker of the house power supply.
z
Ensure that the heating system cannot be
reconnected by accident.
NOTE
If the gas supply pipes are to be disconnected
from the burner, the housing MUST ONLY be
removed by a qualified service technician and
checked for tightness on reassembly.