48
MAINTENANCE GUIDE
MAINTENANCE GUIDE: CLAS HE
3.7
CH FILTER
CH FILTER
Tools
Time
5 min
1
Drain boiler (see 3.3)
Remove the clip
Remove the filter
3.8
DHW FLOW SWITCH ASSEMBLY
DHW FLOW SWITCH ASSEMBLY
Tools
Time
5 min
1
Drain boiler (see 3.3). Remove the clip and pull the
flow switch assembly towards you
Twist the flow switch assembly to disengage
Page. 12 of 24
MAINTENANCE GUIDE: CLAS HE
3.9
LEFT HAND HYDRAULIC BLOCK ASSEMBLY
1.
DHW temperature sensor
4.
Safety valve
2.
Left hand hydraulic block
5.
Central heating flow
3.
By-pass assembly
6.
Domestic hot water outlet
3.10 DHW TEMPERATURE SENSOR
DHW TEMPERATURE SENSOR
Tools
Time
5 min
1
Isolate the cold water supply
and drain the DHW circuit.
Unplug the DHW sensor and
remove the clip
Sensor without wire and clip
Lift the sensor from
the assembly
Page. 13 of 24
Summary of Contents for 47-116-51
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