Maintenance; Troubleshooting; Caution - Acson international C Serie Installationsanleitung

• Maintenance service of the mini chiller must be carried out by qualified persons.
• The unit is easily accessible for servicing and maintenance by accessing the front panel of the unit (for electrical compo-
nents) and the panel door (for refrigerant and water circuit).
• For consistent performance it is recommended that a routine maintenance of cleaning the coil surfaces to conducted
because of dusty surroundings.
• It is also recommended that regular checks on the water strainer to be conducted. Change the water strainer if it is dirty or
choked.
• Do not attempt to do any service or maintenance when the unit is operating.
• Do not spray any chemical agents or flammable agents to the unit. It could cause fire or explosion.
When any malfunction is occurred, immediately switch off the power supply to the unit, and contact the local dealer, if
necessary. Some simple troubleshooting tips are given below :
SYMPTOMS
1. Compressor does
not start.
2. Fan does not work.
3. Unit does work,
but insufficient
cooling.
4. Flow Switch Error
• Troubleshooting must be performed by qualified personnel.

MAINTENANCE

! ! ! ! ! CAUTION

TROUBLESHOOTING

POSSIBLE CAUSES
• No power supply.
• Fuses blown or automatic circuit break-
down open.
• Defective contactor or coil.
• Unit is stopped because safety device has
tripped.
• Loose wires.
• Compressor faulty.
• No power supply.
• Fan motor faulty.
• Thermostat setting too high.
• Condenser coil dirty.
• Obstacle blocking air inlet or outlet of the
unit.
• Insufficient refrigerant in the system.
• Improper water flow rate.
• Water in the system is contaminated.
• No water in the system.
• Low water level in the system.
! ! ! ! ! CAUTION
• Check power supply.
• Look for short circuit or grounded wires in
motor windings. Replace fuses and reset
circuit breakers when the fault has been
corrected. Check tightness and soundness of
all electrical connections.
• Repair or replace.
• Determine the type of safety shut down and
correct the default before the unit is restarted.
• Check wire connections and tighten terminal
screws.
• Contact local dealer.
• Check power supply.
• Contact local dealer.
• Reset thermostat.
• Contact local dealer.
• Remove the obstacle.
• Contact local dealer.
• Contact local dealer.
• Contact local dealer.
• Check water supply.
• Check water supply.
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REMEDIAL ACTION