Inspection/Servicing
|
55
6 720 644 143 (2010/09)
15 Inspection/Servicing
To ensure that gas consumption and environmental
impact remain as low as possible over an extended
period of time, we recommend that you take out an
inspection/servicing contract with an authorised
contractor covering an annual inspection, and servicing
at other times as required.
Important notes
•
The following test equipment is required:
–
Electronic flue gas emission meter for CO
2
, CO and
exhaust temperature
–
Pressure gauge for 0 - 30 mbar (0 - 3 kPa)
(resolution at least 0.1 mbar (0.01 kPa)
•
Special tools are not required
•
Permissible lucricants:
–
For components in contact with water: Unisilkon L
641 (8 709 918 413)
–
Unions: HFt 1 v 5 (8 709 918 010).
B
Use 8 719 918 658 as heat conducting paste.
B
Only use genuine spare parts!
B
Refer to the spare parts catalogue when ordering
spare parts.
B
Always renew seals and O-rings removed during
servicing or repair work.
After inspection/servicing
B
Retighten all loosened threaded fittings.
B
Recommission the appliance (
Æ
page 35).
B
Check all connections for leaks.
B
Check the gas-air ratio and adjust if necessary
(
Æ
page 50).
DANGER:
Risk of explosion!
B
Turn off gas valve before working on gas-
carrying components.
B
Check for leaks before working on gas-
carrying components.
DANGER:
Risk of poisoning!
B
Check for leaks before working on gas-
carrying components.
DANGER:
Risk of electric shock!
B
Before carrying out work on electrical
components, disconnect the power
supply (230 V AC) (fuse, circuit breaker)
and secure against unintentional
reconnection.
WARNING:
Risk of scalding!
Hot water can cause severe scalding
B
Drain the appliance before working on
components that carry water.
NOTE:
Leaking water may damage the
Heatronic module.
B
Cover the Heatronic module before
working on any parts that carry water.
For an overview of faults, see page 67.
Содержание ZSB 30-2 A
Страница 4: ...4 Contents 6 720 644 143 2010 09 ...
Страница 78: ...78 6 720 644 143 2010 09 Notes ...
Страница 79: ... 79 6 720 644 143 2010 09 Notes ...