aquatherm AT800 Manuale operativo del proprietario - Pagina 4

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Control Panel Information
THERMOSTAT/OFF SWITCH- POOL/OFF/SPA:
The Thermostat/Off Switch determines which thermostat is active, up for pool, down for
spa. You can disable the heater by placing the selector switch in the center "OFF" position.
GREEN POWER LIGHT: This light indicates that the heater has control power. WARN-
ING: This is not a line power indicator and caution should be used since more than one
power disconnection may be required to isolate the heater electrically. WARNING: If
the optional Auto Heat Time Clock Override is installed, you must shut off the water
pumps main power disconnect as well.
BLUE HEATING LIGHT: This light indicates that the compressor is running and the unit
is heating. The compressor starts after fan starts unless the heater has been restarted,
then there will be a 5 to 7 minute delay before the compressor will start.
AMBER NO WATER FLOW LIGHT: This light indicates there is no water flow through the
heater. The heater is designed to shut off whenever the water pump is not pumping
water through the heater. If this light is on while the water pump is running, the water
pump may not be supplying enough flow for the heater to operate properly. During
normal operation the heater turns off and on with the water pump, (as long as the
thermostat is calling for heat).
RED FAULT LIGHT: This light indicates that the internal safety control system has dis-
abled the heater. If either the high or low refrigerant pressure switch has tripped this
light will come on. NOTE: During cold weather where the air temperature drops
below approximately 45 to 50 degrees (depending on humidity), the low refrig-
erant pressure switch (or defrost control), is designed to disable the heater. In
this "defrost mode" the fan and compressor will shut off. When the defrost
switch resets for whatever reason the fan will restart, then after a 5 to 7 minute
time delay the compressor will attempt to restart. In some cases where the air
temperature are in a borderline range, the heater my cycle on & off in an at-
tempt to reset. The heater should be shut off when the air temperature is ex-
pected to drop below the operational range for an extended period.
The high refrigerant pressure switch is designed to shut the compressor and fan off if a
heat buildup occurs for what ever reason. Typically the high refrigerant pressure switch
will trip if the water flow through the heater is restricted. It may also trip if the air flow
is restricted through the heater. See page 6, item #9 regarding "Defrost Control".
NOTES: The heater will never run without water running through it from the filter pump.
The heater will not heat faster if you turn the thermostat knob up higher.
TEMPERATURE CONTROLS: The
top Thermostat controls the pool
temperature. The bottom Thermo-
stat controls the spa temperature.
If you do not have a spa you can
use the two thermostats as a high
and low temperature preset.
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