Manual Astralpool OPTIMA 15 (page 24 of 75) (English, Portuguese, Spanish)

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ENGLISH

9. TROUBLESHOOTING GUIDE.

The reasons why your dehumidifier may not function properly are mentioned below:

The unit does not start:

 Open switch: Check that there is not open circuit and repair if it is needed.

 Coil contactor does not activate: Verify that it is not burned, and replace it if it is. Verify the terminals which

activate the coil.

 Internal thermal switch tripped: Verify the voltage of the line. Verify that the operating conditions are correct.

Excessive compressor consumption. Short circuit in the compressor.

 Low pressure switch tripped: Verify the switch operates correctly, replacing it if necessary. Verify that the fan

is operating correctly. Verify the refrigerant charge of the equipment (refrigerant leak, loss of refrigerant fluids) in

order to solve this problem; please refer to the refrigerant charge section. Verify that there is sufficient

ventilation around coils: Verify that there are no obstructions in the cooling circuit and eliminate them if there

are. Verify that the switch wires function properly and replace them if necessary.

 High pressure switch tripped: Verify that the pressure switch operates correctly and substitute if necessary.

Check the refrigerant charge (excess refrigerant) in order to solve this please refer to the refrigerant charge

section. Check for any obstruction of the cooling circuit and eliminate the obstruction if necessary. Check that

the water is circulating through the condenser without any obstructions, that the valves are oponed and the

pump it is working OK (substitute if it is needed).

 Flow alarm: Check that the debugger pump works correctly (flow is according to the specs). Clean the filter if

needed and check that the by-pass valves are OK. If the pump is not debugging check the time set and the

operation mode. If finally the flow switch is out of order contact the Technical service for assistance

 Defrost cycle: The ambient conditions are not correct (temperatures are too low). The machine will not operate

under these conditions; in this case, the regulator will affect the condenser, shutting it off until the ambient

temperature returns to the minimum required limits for correct operation.

Low oil level:

 Low oil level : Complete until reach the specified.

 Oil stains on the equipment: Check for leaks in the cooling circuit and repair them if necessary, check the

torque on the high and low mini pressure switches, and replace them if necessary.

The equipment operates on cycles which are too short:

 The low pressure switch opens then closes again: Verify the points mentioned in the "low pressure switch

tripped" section above.

 Intermittent contact on machine control unit: Repair or replace the faulty electrical part. Check the

Temperature control unit

 Make sure the equipment is not too large for the facilities.

The equipment does not shut down:

 Verify that the humidistat functions properly: repairing or replacing it if necessary.

 Compressor contactor contacts are stuck together: Check that the coil is functioning properly and that the

contacts are not burned.

 The pressure of the intake duct is too low: Check the refrigerant charge of the equipment for leaks, to solve

this problem please refer to the refrigerant charge section. Check that there are no obstructions in the cooling

circuit, lines, etc. and replace if necessary.

 Verify that the equipment is powerful enough for the existing thermal conditions.

Excessive noise:

 The fastening screws of the compressor or fan are loose: Tighten all the fastening elements.

 Check the compressor oil level.

 The compressor produces internal bumping noises: Check that the noise does not come from any fluid leak

from overheating (see section of refrigerant charge).

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Astralpool OPTIMA 15 Manual

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