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Danfoss DHP-AQ Mini User Manual

Danfoss DHP-AQ Mini
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3.5.7 Heat pump
Table 30.
Problem – Noise/loud noise
Cause Troubleshooting Remedy
1. Positioning the heat pump. Determine whether the heat pump can
be moved to a more suitable location.
Move the heat pump if possible.
2. Connection/wall lead-ins. Check that the unit is installed according
to the instructions.
Rigid mountings can generate noise
from the heat pump via walls in the
house.
Table 31. Problem – Defrosting problems
Cause Troubleshooting Remedy
Location/calibration of the outdoor
sensor.
Check that the outdoor sensor is installed
according to the installation instructions
and that it is correctly calibrated.
Install according to the instructions and
calibrate, if necessary.
Defrost sensor calibration Check that the defrost sensor is installed
according to the installation instructions
and that it is correctly calibrated.
Calibrate if necessary.
Table 32. Problem – Build-up of ice under and around the outdoor unit
Cause Troubleshooting Remedy
Insufficient drainage. Does a lot of ice accumulate under and
around the outdoor unit because the mel-
ted water has nowhere to run?
Drain the ground under and around the
outdoor section or install a drainpipe
routed to an indoor drain or gully. NOTE!
Install a heating cable in the drainpipe.
Table 33. Problem – Water run-off by the outdoor unit, risk of moisture problems in house foundations
Cause Troubleshooting Remedy
Insufficient drainage. During some periods when the outdoor
unit is being defrosted, large amounts of
water can run off.
Drain the ground under and around the
outdoor unit so that it can cope with the
extra amount of water produced
because of defrosting or install a drain-
pipe routed to an indoor drain or gully.
NOTE! Install a heating cable in the
drainpipe.
34 – Service instructions VMGFJ102

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Danfoss DHP-AQ Mini Specifications

General IconGeneral
BrandDanfoss
ModelDHP-AQ Mini
CategoryHeat Pump
LanguageEnglish

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