JB DM4-RW REVOLVER Manual De Instrucciones página 7

EVACUATION AND CHARGING
DM4-RW
JB INDUSTRIES
Z
E
R
O
D
A
C
CAUTION: Always consult
manufacturer service manual
or instruction sheet for
recommended procedures
To observe operating pressures
To charge refrigerant through
suction valves
To charge oil through suction
valve
To charge liquid refrigerant
through discharge valve
To build low pressure; for
control setting or leak detecting
To purge refrigerant from
discharge valve
To evacuate with auxiliary
vacuum pump
JB INDUSTRIES • DM4 Wireless Operating Manual • 630.851.9444 • sales@jbind.com
B
E
F
MANIFOLD
A B
EVACUATION
LOW SIDE HIGH SIDE
PORT
BLUE RED BLACK
Closed Closed Closed
Open Closed Closed
Open Closed Open
Closed Open Closed
Open Open Closed
Closed Open Closed
Open Open Open
C D
CHARGING
PORT SERVICE VALVE
YELLOW
Back seated and
Closed
cracked open
Back seated and
Open
cracked open
Closed Back seated
Open Midway open
Back seated and
Closed
cracked open
Back seated and
Open
cracked open
Closed Midway open
COMPRESSOR
E F
DISCHARGE SUCTION
SERVICE VALVE
RED BLUE
Back seated and
cracked open
Front seated
Front seated
—
Midway open
—
Midway open
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