26
FAULT CAUSE REMEDY
Low suction pressure
(less than 5.0 bars)
Low utility water inlet temperature
Low external water inlet temperature
Clogged water filter
Blocked plate heat exchanger
Check
Low discharge pressure
(less than 25 bars)
Low outside air temperature
Low water inlet temperature
Check
Air in water circuit
Vent air
Insufficient gas content
Check
Moisture in the refrigerant circuit
(liquid indicator - moisture yellow)
Faulty fan control
Faulty fan control
Check
High suction pressure
(greater than 10 bars)
High outside air temperature
High inflow water temperature
Check
High discharge pressure
(greater than 36 bars)
High external water temperature
High water inlet temperature
Insufficient air flow
Insufficient water flow
Check
Check fan operation
Check pump operation
Faulty fan regulation
Check
Air in water circuit
Ventair
Excessive refrigerant charge
Check
