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Ariston E-COMBI 24 30 38 Manual Do Utilizador

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maintenance guide
51
Annual Maintenance
Plate heat exchanger
Maintenance Interval: As 
necessary 
How: To measure specifi -
cation of DHW perfor-
mance.
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 pressu-
re is at 1 bar (System 
drained)
Ignition & detection 
electrodes
Maintenance Interval: 
Annually 
How: Visual inspection / 
Clean as necessary / Di-
stance 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
Primary Heat 
exchanger
Maintenance Interval: 
Annually 
How : Visual inspection / 
Clean as necessary
Condensate trap
Maintenance Interval: 
Annually 
or after cleaning primary 
heat exchanger
How: Visual inspection / 
Clean as necessary / 
Add water before 
replacing
Pump 
Maintenance Interval: 
At the fi rst ignition and 
annually
How: Check that the 
AAV is open / 
Visual inspection / Clean 
as necessary