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Remko heat pump manager – REMKO Multi-talent Plus User Manual

Page 58

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REMKO Heat Pump Manager

Fault

Possible cause

Checks

Remedial measures

Communications fault

Bus and sensor wiring were
laid together

Check connection cables

Bus wiring and sensor wiring
must be separated spatially
from mains wiring.

Switched poles

Check poles

Check poles

To little voltage at the
BUS plug

Check voltage

There must be at least 8V DC
between the BUS plug's "+"
and "-" terminals [terminals
18+19]. If too little voltage is
measured, an external supply
must be installed.

Pumps do not switch off

Operating mode
Settings misaligned

Check operating mode and
settings

Type of pump switching at the
specialist level heating circuit

Pumps fail to switch on

Operating mode
Time and heating programme
pump switching
Outdoor temperature and
room target temperature
Heating limits or
Room control misaligned

Operating mode
Time and heating programme
pump switching
Outdoor temperature and
room target temperature
Heating limits or
Check room control

Check operating mode =>
standard.
Check time and heating pro-
gramme => heating period
Check pump switching =>
type of pump switching
Standard => outdoor tempera-
ture > room target tempera-
ture?
Heating limits => outdoor
temperature > valid heating
limit?
Room controller => room
temperature > target tempera-
ture + 1K
Additional tests via the
controller's relay test function.

Malfunctions

The equipment and components are manufactured using state-of-the-art production methods and tested several
times to verify their correct function. If malfunctions should occur, please check the functions as detailed in the
list below. Please inform your dealer if the unit is still not working correctly after all the functional checks have
been performed!

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