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1.4
Safety Regulations
Operation should be carried out according to the safety regulations this manual to
avoid damage of the machine and personal injuries.
Abide by the following regulations during operation.
1.4.1 Security Labels
Attention!
Installation of the device is allowed only to the professional electrician.
Before maintaining and repairing the device, be sure to turn off the main
switch and control switch
.
Warning!
High Voltage!
This label is posted on enclosure of the electrical control cabinet!
Warning!
Be careful!
Pay more attentions at the places where this sign is attached!
Attention!
Drain the water inside when power off at the cold day to avoid freezing!
Attention!
No need for regular inspection because all the electrical parts in the
control unit are fixed tightly!
Please note the correct running direction.
It indicates the pump running ditection, please
confirm.
When the pump reverses, the alarm will sound
and the control panel will display pump reverses.
Please exchange any two power wires
Pump pressure gauge: display actual pressure of
the freezing water system.
High pressure gauge: display the high pressure of
the refrigerant system.