46
English
DHW tank
OTH
ERS
Safety valve(SV) is dripping.
Water expands when heated. If there
is no consumption of hot water over
a period of time pressure builds up,
causing the safety valve to open.
If drip from the SV is severe, it might
need to be replaced. Some dripping
is normal. Alternatively an expansion
vessel can be fitted.
Leak warning outlet is dripping.
The heating element may not be
properly tightened.
Check the heating element o-ring
seal and all connections.
There may be a leak.
Other problems, or if none of the
above solves the problem.
-
Contact the installer/supplier
regarding any other failure.
WARNING
Incorrect handling of thermostat, safety valve or other valves may lead to tank rupture. When servicing the unit follow instructions
carefully:
•
Always turn off main power supply when water supply is being shut off.
•
Test the free operation of the safety valve regularly by opening the valve ensuring the water flows freely.
•
Electrical connection and all servicing of the electrical components should only be carried out by an authorized electrician.
•
Fitting and all servicing of plumbing fixtures should only be carried out by an authorized installer.
•
When replacing the thermostat, safety valve or any other valve or part supplied with this unit, use only approved parts of the
same specification.
CAUTION
•
Before resetting the safety cut-off or altering the thermostat setting, always remember to isolate the electrical supply to the
unit. This must be done prior to removing the electrical box lid.
•
If the electric element or thermostat is defective, contact authorized electrician.
•
After adjustments are completed, ensure the lid to the electrical box is refitted correctly and that the retaining screw is
properly fitted.
