Aqua Comfort AC150 Manuale d'uso - Pagina 11

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• Turn thermostat settings to OFF. Turn filter pump to OFF.

• Turn power to unit OFF (i.e. pull disconnect or turn circuit breaker OFF).

• Disconnect water inlet and outlet unions at the back of the unit. Be careful not to lose rubber o-rings.

• Flush the heater piping out with fresh water to remove any residual chemicals.

• Use low-pressure air or vacuum to remove water that has accumulated inside the piping of the heater.

TROUBLESHOOTING CHECKLIST

• Check to see that the electrical power is on. Reset breakers, or replace fuses if necessary.

• Check to be sure the electric control panel is set properly. The desired temperature must be set above

the actual pool or spa temperature for the heater to run.

• Check to make sure the evaporator coil has enough clearance and that there are no restrictions to its

airflow.

• Certain ambient air conditions may cause the heater to go into defrost mode, displayed on the

control panel as "FS".

NOTE: IT IS NORMAL FOR WATER TO DRIP FROM THE DRAINHOLES AT THE BASE OF THE HEATER.

THE UNIT PRODUCES CONDENSATE WHEN IT OPERATES.

Analyzer Codes

FAILURE LOCK-OUT: This feature is for the protection of the heater. If the same failure occurs three (3)

times within an hour, the control will not allow the unit to restart, and shall display the appropriate code (i.e.

"FL3", "HP3", or "LP3"). The reset to normal conditions can be accomplished by pressing a button on the

control touch pad.

"FLO" (Little or No Water Flow)

• The pump is not running.

• The filter is dirty or clogged.

• Shortage of water to pump - air leak.

• Undersized pump.

• Valves not in correct position.

• Filter in backwash mode.

• Water pressure switch needs adjustment, or is defective.

"FL3" (See page 6)

"HP" (Compressor High Pressure)

• Low water flow to heater.

• Defective high-pressure switch.