Buderus 800 - Inspection; 3.1 Preparing the heating boiler for inspection; 3.2 Checking for internal leaks

Inspection3
Wall-mounted condensing gas boiler Buderus 800 - Subject to modifications resulting from technical improvements!
34
3 Inspection
3.1 Preparing the heating boiler for
inspection
 Disconnect the system.
 Remove the burner housing or cover from the heat-
ing boiler (fig. 5 on page 11).
3.2 Checking for internal leaks
Check all internal pipework and controls for leaks using
the appropriate methods as in IGE/UP/1b, using the
correct leak detection fluid. Please ensure that any leak
detector fluid DO NOT come into contact with any
electrical components.
3.3 Visual inspection
 Check all gas-bearing and water-bearing pipes for
signs of corrosion (fig. 43).
 Replace corroded pipes if necessary.
For further information, please refer to subsection 7.2
"Inspection and service reports" on page 68 and fill out
the
Benchmark.
DANGER OF FATAL INJURY
due to electric shock when system is
opened.
 Before opening the system:
disconnect the heating unit at the emer-
gency OFF switch or the corresponding
circuit breaker of the house power sup-
ply.
 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.
fig. 43 Visual inspection for signs of corrosion