Maintenance
SUPRAECO W – 6 720 646 161 (2012/04)
27
10.7 Refrigerant circuit
10.8 High limit safety cut-out
The appliance is equipped with an automatic safety facility. This safety
facility isolates the DHW storage tank from the power supply to prevent
the risk of injury if the DHW storage tank water temperature rises above
a certain limit.
Resetting the high limit safety cut-out
B
Remove front casing (
Æ
Fig. 3, [24]).
B
Remove the protective cap from the resistor.
B
Press reset button all the way down ( Fig. 49, [1]).
Fig. 49 Temperature controller
[1]
Reset button
[2]
Temperature controller
10.9 Draining the storage tank
B
Isolate the appliance from the power supply.
B
Close the water shut-off valve at the cold water inlet and open one
DHW tap.
B
Open drain set.
-or-
B
Open safety valve.
B
Wait until no more water flows out of the drain set and the appliance
has been completely drained.
NOTICE:
Refrigerant leak!
B
Repairs to the refrigerant circuit (e.g. to the
compressor, condenser, evaporator, expansion
vessel) may only be carried out by an authorised
contractor.
NOTICE:
The temperature limiter may only be reset by
an authorised contractor after the fault has been
remedied.
After a fault has been remedied, ensure that the
temperature controller is in the position shown in
Fig. 49.
CAUTION:
Risk of scalding
Check the appliance's DHW temperature before opening
the safety valve.
B
Wait until the water temperature has dropped enough
to prevent burns and other damage.
6720646160-27.1V
2
1
