Danfoss Akva Lux II VX Series Instructions For Installation And Use Manual page 39

Instructions
Problem
Declining temperature during tapping
Poor cooling
Discoloured water (for a longer period)
Danfoss District Energy
Akva Lux II VX
Possible cause
Defective or wrongly set differential
pressure controller (set too low).
(Akva Lux II VX3-E)
Automatic controls wrongly set.
Calified plate heat exchanger.
Calified plate heat exchanger.
Short-circuiting of plate heat exchanger
VI.GP.V2.02
Solution
Check the functions of the differential
pressure controller - clean valve seat and
capillary tubes if required, - air and rinse
capillary tubes.
Check that the controller has been cor-
rectly set - see separate instructions.
Clean plate heat exchanger with acid
solution or replace plate heat exchanger.
Clean plate heat exchanger with acid
solution or replace plate heat exchanger.
Replace plate heat exchanger
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DKDHR