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Checking fuses and installed protective equipment is ok. Make sure fuses and protection
devices have not been overlooked.
3. The grounding wire
Properly connect the ground terminals then tighten
4. Internal wiring
Check whether the switch box is loose or electrical components is damaged
5. Fixed
Check whether the machine fixed, to avoid abnormal noises and vibrations when starting.
6. The damage to the equipment
Check whether there is damage to the internal components of the machine or tube is
squeezed
7. The refrigerant leak
Check whether the machine refrigerant leakage, if there is a leak, contact your local dealer
8. Power voltage
Check the power supply voltage on the screen, the supply voltage must be consistent with
the nameplate on the machine.
9. Air vent valve
Make sure the air vent valve is open (at least 2 turns)
10. The atmospheric valve
After checking the atmospheric valve is opened, whether the backup heater vessel filled with
water. It is purified water instead of air.
Running the system when backup heater vessel is unfilled with water will damage
the heater
11. Shut-off valve
Properly install shut-off valves, and open.
Running the system when the valve closing will damage the pump!
