20
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Recommendation for protecting devices and cable specificatio
MODEL
74543
74544
74545
Breaker
Rated Current A
10
15
20
Residual Action Current mA
30
30
30
Fuse A
15
10
15
Power Cord (mm2)
3×1.5
3×2.5
3×2.5
Signal cable ( mm2 )
3×0.5
3×0.5
3×0.5
Above data is subject to modification without notice.
N
ote: The above data is adapted to power cord
≤
10 m .If power cord is
＞
10 m, wire
diameter must be increased. The signal cable can be extended to 50 m at most.
Trial after first installation
Inspection before connecting power supply
-
Check the installation of the whole machine and the pipe connections according to the
pipe connecting drawing.
-
Check the electric wiring according to the electric wiring diagram, and ground well.
-
Make sure no blockage on the air inlet and outlet, or the efficiency of the heater will be
reduced or cause machine to stop operation.
Trial after connecting power supply
-
Connect the machine with electric power supply, then relative information will display on
the LED controller.
(For Detail operation of LED controller, please refer to Chapter “Operation guide”.)
-
Start the water pump before turning on the Machine to avoid any damage.
-
Press power on/off on LED controller to turn on/off machine.
-
During the first start of machine, please check if there is any water leakage in the piping
connection system. Then set suitable temperature.
-
After the swimming pool heater runs, check if there is any abnormal noise or smell.
Special cases:
-
In the event of an unexpected power cut, the heat pump will automatically restart. Check
the setting and adjust if necessary.
-
In the event of an expected power cut, switch off the heat pump. When power is restored,
switch on the pump, check the settings and adjust if necessary.
-
Always switch off the machine in stormy weather.
Always Start
the water pump
before
turning on this machine
Turn off this machine
before
turning off the water pump.
Attention:
In any abnormal situation, such as serious noise, smell or smoking please cut the power supply
immediately and inform resellers, never try to repair it by yourself.
