Ariston CLAS SYSTEM One Installation And Servicing Manual

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MAINTENANCE GUIDE
1. GENERAL ACCESS
1.1 General Access
Tools
TIME
3 min
Remove the two screws
1
1.0 Disconnect the boiler
Before beginning maintenance work:
a. Disconnect the appliance from the electricity supply.
Press the ON/OFF button and wait 1 minute (the 3-way
valve turn on Stand-by position)
ATTENTION!! With the 3-way valve on heating position
is not possible to remove the motor.
Turn the external bipolar switch to the “OFF” position.
b. Close the gas valve and the central heating and domestic
hot water system valves.
1
Remove the front panel
2
Lower the electrical front panel
3

Ariston CLAS SYSTEM One Specifications

General

Fuel Type	Natural Gas / LPG
Mounting	Wall-mounted
ErP Heating Efficiency	A
Modulation	1:7
Heating Output	24 kW
Warranty	2 years