JB DM4-W User Manual

7
JB INDUSTRIES • DM4 Wireless Operating Manual • 630.851.9444 • sales@jbind.com
EVACUATION AND CHARGING
CAUTION: Always consult
manufacturer service manual
or instruction sheet for
recommended procedures
MANIFOLD COMPRESSOR
A B C D E F
LOW SIDE HIGH SIDE
EVACUATION
PORT
CHARGING
PORT
DISCHARGE
SERVICE VALVE
SUCTION
SERVICE VALVE
BLUE RED BLACK YELLOW RED BLUE
To observe operating pressures
Closed Closed Closed Closed
Back seated and
cracked open
Back seated and
cracked open
To charge refrigerant through
suction valves
Open Closed Closed Open
Back seated and
cracked open
Front seated
To charge oil through suction
valve
Open Closed Open Closed Back seated Front seated
To charge liquid refrigerant
through discharge valve
Closed Open Closed Open Midway open —
To build low pressure; for
control setting or leak detecting
Open Open Closed Closed
Back seated and
cracked open
Midway open
To purge refrigerant from
discharge valve
Closed Open Closed Open
Back seated and
cracked open
—
To evacuate with auxiliary
vacuum pump
Open Open Open Closed Midway open Midway open
A
C
D
B
E
F
Z
E
R
O
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DM4-RW

JB DM4-W Specifications

General

Brand	JB
Model	DM4-W
Category	Measuring Instruments
Language	English