25
25
Danfoss District Energy
VI.GP.B1.02
DKDHR
Instructions
Kompakt H 28/35/42
Problem
Possible cause
Solution
Variations in temperature
Non-return valve on the circulation line
defective (leads to mixing - and the
circulation water pipes become cold dur-
ing tapping).
Replace non-return valve.
Delcining temperature during tapping
Defective or wrongly set differential
pressure controller (set too low).
Check the functioning of the differential
pressure controller - clean the valve seat
and the capillary tubes.
Automatic controls wrongly set.
Check that the controller has been cor-
rectly set - see separate instructions.
Temperature sensor placed incorrectly.
Place temperature sensor correctly
in accordance with the manufacturer
instructions for the cylinder.
You may contact Danfoss Redan A/S for
further information.
Calified heating element.
Clean DHW cylinder with acid solution or
replace heating element.
Poor cooling
Calified heating element.
Clean DHW cylinder with acid solution or
replace heating element.
You may check the specifications of the
manufacturer conc. cylinder capacity.
