SystemAir AquaScop HT V2, Руководство по установке и обслуживанию

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54 Aqu@Scop HT V2
Excessively high discharge pressure
Problem symptoms
Probable cause Recommended action
Major difference between
condensing and water outlet
temperatures
Presence of incondensable matter in the system or
excessive refrigerant fluid charge
Presence of air in water circuit
Bleed the incondensable matter and drain off
the excess refrigerant fluid
Bleed the air from the circuit
High output pressure and very
high water
D
T
Insufficient water flow
Flow meter control
Ensure that there is an adequate water flow
through the entire system
Excessively high inlet pressure
Problem symptoms
Probable cause Recommended action
Presence of liquid in the intake
line
Expansion valve open too far
Check the overheating value on the display.
Check the position of the pressure sensor and
the evaporation temperature probe.
Check the values present on the display.
Refrigerant fluid flow back
towards the compressor,
irrespective of the expansion
valve setting
Expansion valve blocked in open position
Inspect the electronic regulator wiring on the
Outdoor unit regulator.
Replace the regulator if it does not react when
mains power is switched on to the unit.
Excessively low inlet pressure
Problems - symptoms
Probable cause Recommended action
Excessive pressure loss across the
dryer filter
Clogged dryer filter Replace the dryer filter
Refrigerant does not pass through
the electronic pressure relief
valve, irrespective of the regulator
settings.
The electronic pressure relief valve is faulty. Replace the electronic pressure relief valve.
The electronic pressure relief valve is disconnected
from the Outdoor unit's regulator
Reconnect the electronic pressure relief valve
wiring.
Loss of power
Expansion valve blocked Replace the expansion valve
Lack of refrigerant fluid
Repair the leak. Add refrigerant fluid or
completely replace the charge
Evaporator blocked Clean the finned evaporator
Insufficient air flow Check proper operation of the fan/motor units
Defective de-icing Check proper operation of de-icing function