SystemAir SYSAQUAC 25 Manuel D'installation page 33

Problem
Incorrect operation of the high pressure
pressostat.
Circuit stoppage
further to the Outlet valve partially closed.
high pressure
Non-condensable particles in the
thermostat being
circuit.
activated.
Condenser fan(s) not operating.
Liquid line too Insufficient refrigerant fluid charge.
hot
Electrical circuit problems.
Fans do not
Internal circuit thermal cut-out
operate.
activated.
Compressor operating fault
Reduced output
Dirt in the evaporator water circuit.
in both Heating
and Cooling
Condenser battery blocked.
mode
Insufficient refrigerant fluid charge.
Probable cause
31
Solution
Check the operation of the pressostat. Replace it if
required.
Open the valve. Replace it if required.
Bleed the circuit
Check the wiring and the motors. Repair and
replace if required.
Locate and eliminate the causes of charge losses
and top up the refrigerant fluid charge.
Check the connections.
Contact an approved Service Centre.
Contact an approved Service Centre.
Chemical cleaning of the evaporator water circuit.
Clean the condenser battery.
Top up the refrigerant fluid charge.