3
2.
Unit Specification
：
No.
Model
PRF047XW PRF071XW/PRF3X-3XT
1
Net Capacity
（
L
）
47
71
2
Voltage
（
V
）
115
115
3
Frequency
（
Hz
）
60
50
4
Refrigerant
R134a
R134a
5
Refrigerant
Amount (g)
38g
45g
3. Safety during maintenance or service:
In order to be safety during maintenance, must obey the following basic attention:
1)
During service:
Pay attention to the flame or ignition nearby, particually after welding using gas too,
must turn off the flame first, then can do other maintenance work, because the refrigerant
will produce the toxic air when it touch with flame, sparkle or capacitor.
Do not do the welding work in the airtight or bad air circulation room.
When discharging the refrigerant, must keep the room good air circulation condition.
When cutting the suction pipe or discharging pipe of the compressor, pay attention to the
surplus refrigerant and internal pressure in cooling system pipe
2)
Unplug the unit:
When you are ready to proceed the maintenance, must first unplug the freezer first to
ensure the safety.
3)
．
Avoid electrical shock:
Normal when proceeding the maintenance, must open the power supply first. But if you
must check the field wiring or the component of the unit with power supply in, must be
very carefully and don’t touch the live parts. If you find out the wiring is aged, please
replace it in time.
4)
．
Correct use the components:
If the component is damaged and need to be replaced, be sure to replace with the
component with same model
，
do not use other models or other brand components, and
not use the changed component.
5)
．
Correct use the service tools:
