Gas Analysis - Snap-On ECO DUAL GAS Manuel D'instructions

If "PRESS ENTER TO PURGE" is displayed, there is air in the tank. In this case, press
ENTER: the machine will begin discharging the air.
Press ESC to pause the Air Purging process.
NOTE: If there isn't air into the tank, the following message is displayed: AIR PURGE NOT
NECESSARY.
Press ESC to terminate the Air Purging process, and return to the MAINTENANCE menu.

GAS ANALYSIS

The machine will test the purity of the refrigerant gas in the A/C system before beginning
recovery. Contaminated refrigerant cannot be recovered, since it would contaminate all the
refrigerant contained in the storage bottle. Purity testing is conducted after a sample of the
refrigerant gas to be analyzed is taken.
From MAINTENANCE, select GAS ANALYSIS, the following screen will be displayed:
Connect and open the LP coupling connected to the A/C system, then press OK:
The analyzer will begin the calibration, then after few second will start gas analysis:
INSTRUCTIONS MANUAL
PRESS ENTER TO PURGE
Tank pressure
Tank temperature
Target pressure
Connect and open HP and LP couplings
to A/C system and press ENTER
GAS ANALYSIS
CALIBRATION
20 %
61
DD/MM/YY XX:XX PM
ESC
7.10 bar
21.7°
5.20 bar
ENTER
DD/MM/YY XX:XX PM
ESC
ENTER
DD/MM/YY XX:XX PM