Annual Maintenance - Ariston EGIS HE 24 Installation And Servicing Instructions

8. maintenance guide

8.5 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
Fan
Maintenance Interval: Annually
How : Visual inspection / Clean as necessary
59