Ariston CLAS SYSTEM One Installation And Servicing Manual

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MAINTENANCE GUIDE
5. ANNUAL MAINTENANCE
Plate heat exchanger
Maintenance Interval: As necessary
How: To measure specication of DHW performance.
By-pass & Safety valve
Maintenance Interval: Annually
How: Visual inspection / Clean as necessary
Central heating lter
Maintenance Interval: Annually
How: Visual inspection / Clean as necessary
Flow switch operation
Maintenance Interval: Annually
How: Visual inspection / Clean as necessary / Check ow rate
Expansion vessel
Maintenance Interval: Annually
How: Check air pressure is at 15 psi (System drained)
Ignition & detection electrode
Maintenance Interval: Annually
How: Visual inspection / Clean as necessary / Distance from the burner / Ionisation current
more than 1 μA
Burner
Maintenance Interval: Annually
How: Visual inspection / Clean as necessary
Fan
Maintenance Interval: Annually
How : Visual inspection / Clean as necessary

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