aquatherm AT115 Manuel du propriétaire - Page 4

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HEAT PUMP OPTIONS

ThermoLink

Heat Exchanger (AT110 Model only)

The heart of your heat pump is the patented ThermoLink

of the primary causes of premature heat pump demise is the failure of the heat

exchanger. Ordinary heat exchangers are made from a cupronickel alloy. This

cupronickel material is susceptible to attack from the sanitizers used in pools and

spas and from other related water chemistry conditions. Once the heat exchanger

fails, the heat pump is ruined. The ThermoLink

titanium, and is virtually impervious to water chemistry damage.

Microprocessor Controller

Digitally-based microprocessor controls water temperature to within 1º Fahrenheit

of set point. Controller also permits user to predefine different pool and spa water

temperatures, and to prevent tampering by locking out controls via a pass code. The

microprosser controller also provides superior defrost control, and self diagnostics.

Scroll Compressor

50% fewer moving parts than standard piston-type compressors. This equates to

much improved reliability and improved efficiency. Scroll compressors are also

much quieter in operation than their piston-type counterparts.

Corrosion-Proof Cabinet

The cabinet, being made from resilient, UV-Protected ABS material, has superior

fade resistance and can never rust or corrode. You can expect the cabinet to retain

a like-new appearance with only an occasional wash down and—if so desired—a

quick waxing.

HOW A HEAT PUMP WORKS

COMPRESSOR

Cool Air

Out

Warm Air In

FAN

AIR COIL

EVAPORATOR

heat exchanger. One

heat exchanger tube is made from

Pool

Pool Pump

Pool Filter

Absorbed Heat From Air

HEAT EXCHANGER

CONDENSER

Compressed "Hot" to Pool

After Heat is Give to Pool

EXPANSION

VALVE

TROUBLESHOOTING

(Also see page 5 for Program Codes)

Heat Pump Fails to Operate:

Is the display illuminated?

If not, ensure the main breaker (located at the power supply panel) and the

disconnect switch (located near the heat pump) are both turned ON.

Is the code "FLO" displayed?

If so, check to be sure that the circulating pump is operating and the filter

is clean. There may also be a valve positioned incorrectly allowing water to

bypass the heat pump. Be sure water is flowing through the heater.

Is the Pool or Spa thermostat selected for the correct body of water to be

heated, have you tried selecting a higher temperature setting, and have you

chosen the correct "Mode" of operation?

If not, the actual water temperature may be above that of the selected thermo-

stat. Raise the desired water temperature above the actual water temperature;

the fan should start, and after approximately four (4) minutes, the "Heating"

light should illuminate. If the heat pump still fails to start, and the unit is not

in defrost (heat-only unit defrost display code is: "FS"), contact Aquatherm

Customer Support: 239-482-0606.

Heat Pump Running... but is it Heating?

Is the air blowing out of the top of the unit noticeably cooler than the

surrounding air?

(With heating indicator light illuminated, a 9°F to 12°F difference is typical.)

If not, contact Aquatherm for service at: 239-482-0606. But first, be sure all

air coil surfaces are free from obstructions– low roof overhangs, landscaping,

walls, fences, etc., can restrict air flow. The heat pump needs good airflow to

operate at peak efficiency.

How many hours/day does the circulating pump operate?

Cooler weather conditions, or heating to a higher than normal temperature,

may necessitate running the heat pump for a longer period of time. Was

the heater sized considering the use of a pool blanket (check with installing

dealer)? A blanket can be useful in permitting shorter run times, in turn lead-

ing to substantial energy cost savings.

What is the outside air temperature?

The heat pump may be in the defrost mode if air temperatures are below 50°F.

With Heat-Only models, if the heater is in defrost, the code: "FS" will be

displayed. If air temperatures are not cold, but the heater remains in defrost,

contact Aquatherm at 239-482-0606.