Danfoss DHP-M, Commissioning

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Sensors Explanation
Water heater temp (TWC) Only if expansion module (EM) is installed. Separate manual.
Shows the temperature in the final water heater.
Hot gas charging
Shows the temperature from hot gas charging.
Incoming cold water
Shows the temperature of incoming cold water for the mixing valve.
Distribution circuit 1 sup-
ply line
Distribution circuit 1 on BM card
Shows the supply temperature of distribution circuit 1.
Distribution circuit 1 re-
turn line
Distribution circuit 1 on BM card
Shows the return temperature of distribution circuit 1.
Discharge pipe
Shows the temperature of the delivery line.
Fluid line
Shows the temperature of the fluid line.
Condensation pressure
Shows the condensation pressure of the refrigerant circuit (bar).
Condensation
Shows the condensation temperature of the refrigerant circuit.
Supercooling
Shows the supercooling of the refrigerant circuit (K).
Suction gas
Shows the temperature of the suction gas line.
Evaporation pressure
Shows the evaporation pressure of the refrigerant circuit (bar).
Evaporation
Shows the evaporation temperature of the refrigerant circuit.
Superheating
Shows the superheating of the refrigerant circuit (K).
Opening degree of expan-
sion valve
Shows the opening degree of the expansion valve 0-100%.
Envelope (working area)
Shows where the compressor is located in the working area.
7.6 Checking abnormal noise
The characteristics of the piping system and construction can, under unfavourable circumstances, cause noise and vibration to be ampli-
fied at certain speeds.
Test-run the heat pump in both hot water and heating operating modes, and check that there is no abnormal noise.
Test-run the heat pump across the entire speed range of the compressor and check that there is no abnormal noise. While this test is in
progress, check that there is no abnormal noise in other parts of the building.
Any problems should be remedied in the first instance by checking the pipe installation and install flexible hoses and sound damping
pipe clamps in the vicinity of the pump. If any problems remain, problematic compressor speeds can be blocked/adjusted in the control
system.
Circulation pump settings (max/min) speeds can be adjusted in the control system.
Commissioning DHP-M
VIJSE302 Danfoss Heating Solutions
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