58
6.2018
3.
fill out the system (min.
1.5
–
2 bar),
4.
vent the system.
Tz
There was an
error in the
electrical
supply.
Phase failure.
1.
Check the presence of all
phases and adequacy of
voltage,
Installer
2.
Change the phase
sequence - change the
order of the phases.
Authorised
maintenance
worker
*NO WATER*
There is
insufficient
flow of
medium
(water)
between HP
and the
heating
system.
Insufficient water flow
through the
condenser/evaporator.
1.
Check the heating system
if the circulation pump is
working or if all valves and
flaps are correctly
opened/closed,
The user
2.
clean the strainer,
The user
3.
fill out the system (1.5–2
bar),
The user
4.
vent the system.
The user
SENSORS.
Error on one of
the sensors.
Error in data acquisition.
1.
Disconnect the device
from the power source and
reconnect it in 10 minutes.
The user
Max. dT
The
temperature
between the
return and
supply line is
too high.
There was a disturbance
in the flow.
1.
Check the heating system
if the circulation pump is
working or if all valves and
flaps are correctly
opened/closed,
The user
2.
clean the strainer,
The user
3.
fill out the system (1.5–2
bar)
The user
4.
vent the system.
The user
Defrost T.Flow
ALARM
The HP does
not have
enough energy
to defrost.
The water temperature
of the return during
defrost was too low.
1.
Heat the buffer tank with
the backup source (at
least to 20 °C),
The user
2.
turn on the buffer tank
heating together with the
heat pump and backup
source,
The user
3.
gradually turns on the heat
extractors from the buffer
tank (1 circuit at a time).
The user
ALARM DHW
The HP could
not heat the
DHW above
the minimal
value.
Insufficient water flow
through the condenser.
The sensor is not in its
right place.
1.
Check the heating system
if the circulation pump is
working or if all valves and
flaps are correctly
opened/closed,
The user
2.
clean the strainer,
The user
3.
fill out the system (1.5–2
bar),
The user
4.
vent the system,
The user
5.
check if the sensor is in its
designated place.
Installer
Содержание WPG 30
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