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f. Defrosting
a. Automatic defrosting: When machine is defrosting, "
b. Forced defrosting: When machine is heating and the compressor is working continuously for 10
minutes, in heating mode, press "
start forced defrosting, "
(Remarks: the interval between forced defrosting should be more than 30 minutes.)
Attention：The controller has power-down memory function.
F. Testing
1. Inspect heat pump before use
a. The ventilating device and outlets are operating adequately and are not obstructed.
b. It's prohibited to install refrigeration pipe or components in corrosive environment.
c. Inspect the electric wiring on basis of the electric wiring diagram and earthing connection.
d. Double confirm the main machine power switch should be off.
e. Inspect the temperature setting.
f.
Inspect the air inlet and outlet.
2. Leakage detection notice and method
torch (or any other detector using a naked flame) shall not be used.
c.
Leakage detection fluids can be applied with most refrigerants but the use of detergents containing
chlorine shall be avoided as chlorine may react with the refrigerant and corrode the copper pipe.
d.
Vacuumize completely before welding. Welding can only be carried out by professional personnel in
service center.
e.
Please stop using while gas leakage occur, and contact professional personnel in service center.
" and "
" is flashing and defrost starts, "
a.
Leakage checking is prohibited in closed area.
b.
The ignition source is prohibited during the leakage inspection. A halide
" flashing; after defrosting"
" on touch controller simultaneously for 5 seconds to
" stop flashing and defrosting stops.
12
" stop flashing.
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