Ariston CLAS HE Series User Manual

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MAINTENANCE GUIDE
MAINTENANCE GUIDE: GENUS PREMIUM
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 25
MAINTENANCE GUIDE: GENUS PREMIUM
3.11 SECONDARY HEAT EXCHANGER
SECONDARY HEAT EXCHANGER
Tools
Time
10 min
1
Drain primary and domestic hot water circuits. Remove the two
screws and remove the heat exchanger
Page. 14 of 25

Ariston CLAS HE Series Specifications

General

Efficiency Rating	A
Mounting	Wall-mounted
ERP Rating	A
Warranty	2 years
Fuel Type	Natural Gas