mundoclima MUENR-H6 Series Installation & Owner's Manual page 27

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