Better to print this page out and make sure that you can tick all ot fhe following items to avoid any
Problem
After finish the installation tasks please check the item listed below before turn on heat
pump
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10 Heat Pump Test Run
Check list before turn on heat pump
Things you should have done
:
1 Power cable
Check if the power cable is connected correctly and check if the screws have been screwed
down and tight Please use specified cables
2 Communication wire
Check if the communication wire is connected correctly and check if the screws have been
screwed down and tight Please adopt specified communication wire
3 Water circuit
a Check if the water pipes are corrected and the pipe dimensions are correct
b Check if all the shut off valve and manual valve is opened check if all the joint is fastened
C Check if air exhaust valves on the water terminals must be open for the 1st water recycle
running to exhaust air in the terminals
This valve can be closed when this valve drain
continous water
D Check if air exhaust valves for the whole water circuit is openned An automatic purging
device has to be installed at the highest point of the water circuit
E Open the maintenance screw in the middle of the water pump
for both DHW and air
conditioning circuit
and manually rotate the water pump axis This action should also be
done when electric power disconnected for more than 24 hours to avoid block
4 Be sure the two water tanks are full of water If the water tanks are empty the electric heaters
inside is dangerous to be broken
5 Insulation test of power supply circuit
Please inspect it by a ohmmeter of 500V
Apply the
voltage of DC 500V between the power supply terminal block and the ground wire test the
insulation resistance
The insulation resistance must be more than 2 ohms
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Heat Pump Test Run Produre
Switch on the power supply
1 The power indicator
LED
will be lighted The compressor heater will be started
2 Turn on the heat pump and check if the heat pump is in air conditioning mode
if not
please press M button on the LED controller to change the operation mode to heating
mode
3 The circulation pump will start before the compressor
Make sure the water pump is
working well
4 The compressor will be started in 3 minute after powered on
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M O S T I M P O R T A N T
!
1 Make sure it is not in cooling mode
during first operation or test runing until you make sure
the air conditioning water pump is working properly and water circuit is recycling smoothly
2 Select a big enough water pump for the air conditioning water circuit
3 Always keep the electricity connection with heat pump to enable the antifreeze function
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