GM-820A-Dual A/C SYSTEM MAINTENANCE CENTRE-DUAL
8
2) First use
A.
In order to avoid damage to the electronic scale during transportation, the electronic scale is protected
when shipped. Open the back door, take out all the fillers on both sides of the tank and under the scale
pan, and loosen the supporting screw under the scale plate to make the scale handle the suspended
state. As shown in the figure below:
B.
Connect the power supply and power on. Please operation as following.
C.
Set the language: select one and press ENTER.
C
、
Set the units: select one and press ENTER
D.
Install the R1234yf storage tank back of the machine.
a) Place the storage tank on the rear scale and fix it.
b) Connect the red and blue pipes to the red and blue valve interfaces of the tank, tighten them (it is
recommended to apply a small amount of stop glue), and open the two valves.
E.
Connect the hoses and couplers
Loosen