Ariston 47-116-65 Boiler User Manual


 
66
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 1 bar (System drained)
Ignition & detection electrodes
Maintenance Interval: Annually
How: Visual inspection / Clean as necessary / Distance from the burner / Ionisation current
more than 1 A
Burner
Maintenance Interval: Annually
How: Visual inspection / Clean as necessary
Fan
Maintenance Interval: Annually
How : Visual inspection / Clean as necessary