- The instrument can calculate the SH – Superheat and SC - Subcooling as shown below as long as the tested refrigerant is
preset and clamp-on temperature probes are connected well.
Vacuum operation
A. Turn off the blue valve and red valve.
B. Power on the instrument. Then make sure if the LCD displays vacuum test
status as below picture. If not, press the Function button to switch it.
C. Press the unit button to adjust the reading unit.
D. When the instrument is turned on, there may be 10 digits in the high and
low
pressure display area. At this time, press the zero button long until it returns to zero.
E. Connect the instrument to the refrigeration system according to the
chart below. (pay attention to the direction of the refrigerant flowing! )
(Connected clamp-on temperature probes will not affect the operation)
F. Turn on the blue valve and red valve, and start the vacuum pump.
Turn off the blue valve and red valve.
B. Power on the instrument. Then make sure if the LCD displays vacuum
test status as below picture. If not, press the Function button to switch it.
C. Press the unit button to adjust the reading unit.
D. When the instrument is turned on, there may be 10 digits in
the high and low pressure display area. At this time, press the
zero button long until it returns to zero.
E. Connect the instrument to the refrigeration system
according to the chart below. (pay attention to the direction of
the refrigerant flowing! ) (Connected clamp-on temperature
probes will not affect the operation)
F. Turn on the blue valve and red valve, and start the vacuum pump.
G. After the vacuum operation is completed, turn off the blue
valve and red valve, then shut the vacuum pump.
At this time, pressure leak test mode can be used to check
leakage in the system ( Please refer to 6-3. Pressure Leak Test)
6
MGF
MGF
srl –– Via Chico Mendes, 8 – 43058 Sorbolo Mezzani (PR) Italy –
Tel. +39 0521-818301 Fax: +39 0521-818202
e-mail: [email protected] –
