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TMS-UT-0709-Z07-5
12
- pressure in heating system is
varying
-
defective expansion vessel,
-
too low or too high pressure
in the vessel
-
if there is water on the valve
for pumping the vessel,
replace the vessel,
-
pressure in the vessel
should be 0,5 –
0,8 bar
- RCCB switch is ejecting
-
defective heater,
-
moist on conductors,
-
replace the heater,
-
check leaking,
-
check the cause of
activation
- sanitary water temperature is
varying
-
too low pressure or too
small flow in plumbing
installation
-
set the warm water
temperature to the desired
temperature without mixing
with cold water
- boiler does not reach a
desired warm water
temperature
-
check network fuses
-
warm water flow is higher
than boiler capacity
-
check in the instructions the
maximum
warm water flow
- boiler does not warm up a
water
-
pump for warm water
preparation is not in
operation
-
air in warm water system
-
start the pump manually
according to the instructions
in
4.1.
-
vent the warm water system