Instruction manual CH
53
s
12
Performing
maintenance
12.1 Introduction
Caution
Maintenance may only be performed by a qualified service and
maintenance engineer.
At each service, the appliance undergoes maintenance on both the water side
and the gas side. The maintenance must be carried out in the following order.
1.
Water-side maintenance
2.
Water-side maintenance
3.
Gas-side maintenance
4.
Finalising maintenance
Note
To order spare parts, it is important to write down the appliance type and
model, and the full serial number of the appliance. These details can be found
on the rating plate. Only by ordering with this information can you be sure to
receive the correct spare parts.
12.2 Preparation for
maintenance
To test whether all components are still working properly, complete the following
steps:
5. Check the supply and burner pressures
(3.11 "Checking the supply
pressure and burner pressure")
and adjust them if necessary.
6. Also check that this is running properly during the
The appliance's heating
cycle
.
7. Check that all components of the chimney flue system are properly attached.
8. Test the operation of the overflow valve of the protected cold supply setup.
The water should spurt out.
9. Test the overflow operation of the T&P valve. The water should spurt out.
10. Check the drainage pipes from the discharge points of all valves and remove
any scale deposits that may be present.
11. Drain the appliance
(6 "Draining")
.
12.3 Water-side
maintenance
12.3.1
Introduction
The following steps must be carried out on the water side:
1.
Checking the anodes
.
2.
Descaling and cleaning the tank
.
12.3.2
Checking the anodes
Timely replacement of the anodes extends the service life of the appliance. The
appliance's anodes must be replaced as soon as they are 60% or more used up
(take this into consideration when determining the maintenance frequency).
1. Disconnect the plug of the flue gas thermostat from the connector on the
appliance.
2. Disconnect the draught diverter from the flue gas discharge.
Содержание CH 100 CE
Страница 4: ...4 Instruction manual CH gis...
Страница 10: ...Introduction 10 Instruction manual CH 1 gis...
Страница 16: ...Working principle of the water heater 16 Instruction manual CH 2 gis...
Страница 36: ...Conversion to a different gas category 36 Instruction manual CH 4 is...
Страница 44: ...Status of the water heater 44 Instruction manual CH 8 gis...
Страница 46: ...Starting the water heater 46 Instruction manual CH 9 gis...
Страница 48: ...Shutting down 48 Instruction manual CH 10 gis...
Страница 60: ...Electrical diagram 60 Instruction manual CH 14 is 1 brown 2 blue 3 yellow green 4 black 5 white 0305906 R0...
Страница 62: ...Electrical diagram 62 Instruction manual CH 14 is...
Страница 64: ...Declaration of Conformity 64 Instruction manual CH 15 is...
Страница 66: ...0310 570 1 0 UK Index Instruction manual CH...