aquatherm AT700 Посібник користувача з експлуатації - Сторінка 5
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heat pumps
Також для aquatherm AT700: Посібник з монтажу (8 сторінок)
Друкувати сторінкуC. Heat Pump Maintenance & Precautions
1. Air Flow & Service Access
Clearances
AIR COIL
(on 3 Sides)
BASE
(CONCRETE OR
1. Make sure the unit has a firm base. The heat pump will produce condensation (water) while
in operation. You will notice water coming from the bottom drain ports when the unit is run-
ning. The condensation will increase as the outdoor air humidity level increases. Make sure
the bottom drain ports do not become clogged with debris. Make sure the run off water does
not puddle inside the heater and does not undermine the equipment base.
2. Keep the top air flow discharge & air flow intake area clear as shown here so the air flow through
the heater is not restricted. Make sure the unit can "breathe" well. The cooler discharge air from
the top should not accumulate and be drawn into the side air intake coils. Keep all plants and
shrubs trimmed away from the heater. Make sure the front is accessible for future service.
3. Do not allow lawn sprinklers to spray on the heater in any way. Keep sprinkler heads away
from the heat pump to prevent corrosion and damage. Use a deflector if needed.
4. If the unit is installed under a steep roof pitch or under a roof valley that has no gutter, a gutter
or diverter should be fitted to prevent excessive water from pouring through the unit.
2. Owner Maintenance & Cleaning
1. The heat pump will produce condensation water run off while in operation. Make sure the
condensation drains in the bottom of the heater cabinet do not become blocked with debris.
The condensation run off may attract increased plant growth and insects in the heat pump area,
be sure to keep all plants trimmed back and treat for insects as needed.
2. The outer air coil (located on three sides of the heater), should be kept free of debris and buildup.
A minimal air coil cleaning should be done as needed and at least two times per year. If the heater
is installed in a sandy or salty condition, the air coil should be cleaned more frequently.
3. To clean the air coil SHUT OFF ALL POWER, then use a garden hose at low pressure, (without
a pressure nozzle) to lightly rinse the air coil in an up and down motion. You can use a mild
soap while rinsing to help neutralize and clean. DO NOT spray water directly in heater at
high pressure.
4. Cabinet surfaces can be wiped clean with a towel and mild cleaner.
3. Professional Maintenance
The heater should be serviced annually like any other machine. A factory authorized, licensed air
conditioning or mechanical contractor should perform the maintenance. Contact Aquatherm at
888-297-3826 for authorized service centers in your area.
BACK
AIR
12"
COIL
12"
FRONT
36"
60"
FRONT
6'
2"
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GREEN POWER LIGHT:
This light indicates that the heater has control power.
WArnIng: This is not a supply 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 Time Clock Override is installed, you must also shut off the water pump's main power
disconnect to eliminate all power to the heater.
GREEN HEATING LIGHT:
12"
This light indicates that the unit is heating and the compressor is running. The compressor starts
after a 3 to 5 minute time delay. NOTE: The water pump must be running at the same time in
order for the heater to run.
LED READOUTS:
When the unit has power, the LED will display the current water temperature. When pressing the
thermostat buttons the flashing readout will indicate the set temperature. The following are LED
code readouts for the internal sefety controls that regulate the unit for various reasons.
LF = LOW WATER FLOW
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 LF 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. LF will be
displayed whenever the water pump is off.
DF = DEFROST MODE
This readout indicates that the internal defrost safety control has disabled the heater. During
cold weather where the air temperature drops below approximately 45 to 50 degrees (depending
on humidity), the low refrigerant pressure switch (or defrost control) is designed to disable the
compressor only. Once the unit is in defrost mode the compressor will shut off for 1 hour while
the fan continues to help deice and warm the air coil. After 1 hour the unit will attempt to restart.
If the air temperature has increased to the operational range the compressor will continue to run,
otherwise the compressor will return to the defrost mode for another 1 hour delay cycle.
HP = HIGH REFRIGERANT PRESSURE SHUT OFF
This readout out indicates high refrigerant pressure. The high refrigerant pressure switch is de-
signed to shut the compressor and fan off if a heat buildup occurs for whatever 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. The only way to reset the unit after
HP is displayed is to shut the unit off then back on with the heater button.
TIME DELAYS:
30 second compressor delay when switching pool/spa modes.
5 minute compressor delay when T.C.O. enables in pool mode.
5 minute T.C.O. off delay when: switching from spa to pool mode,
when temperature is reached in pool mode, or if LF (low water flow)
is displayed on LED.
If water pump loses prime there will be a 3 minute compressor delay.
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