Ariston G.C.N.:47-116-67 (38 kW) Manual Do Utilizador

Página de 72
66
MAINTENANCE GUIDE
5. ANNUAL MAINTENANCE
Plate heat exchanger
Maintenance Interval: As necessary
How: To measure specifi cation of DHW performance.
By-pass & Safety valve
Maintenance Interval: Annually
How: Visual inspection / Clean as necessary
Central heating fi lter
Maintenance Interval: Annually
How: Visual inspection / Clean as necessary
Flow switch operation
Maintenance Interval: Annually
How: Visual inspection / Clean as necessary / Check fl 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 μA
Burner
Maintenance Interval: Annually
How: Visual inspection / Clean as necessary
Fan
Maintenance Interval: Annually
How : Visual inspection / Clean as necessary