20050263 - Rev
. 7 (01/14)
16
20 TROUBLESHOOTING
FAULT
CAUSE
SOLUTION
No or insufficient domestic hot
water production
Unusually high draw of DHW.
-Check.
Water leaks in the DHW distribution
circuit.
-Check.
Collector glass covered in dust or
leaves.
-Clean.
The level of heat transfer liquid in the
circuit has dropped as the result of
leaks from the unions or because of
over-temperature during extended
periods of disuse.
-Top up the circuit with water/glycol
mix and bleed any air out.
Air bubbles have formed inside the
circuit and are impeding natural
circulation.
-Bleed the circuit by loosening the
uppermost union on the short pipe
until liquid comes out.
-Top up to replace any lost liquid.
Vibrations
Loose screws.
-Tighten the screws.
21 DISPOSAL
When the system is no longer needed, do not abandon it in the environment, but dispose of it through appropriate
channels and in compliance with applicable legislation.
Via Risorgimento, 13 - 23900 Lecco (LC) - Italy
Customer Service 199.13.31.31
www.berettaclima.it
The manufacturer strives to continuously improve all products. Appearance, dimensions, technical specifications,
standard equipment and accessories are therefore liable to modification without notice.
