JB INDUSTRIES CLIMATE CLASS DM4-RW Manual De Instrucciones página 7

EVACUATION AND CHARGING
DM4-RW
JB INDUSTRIES
Z
E
R
O
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 Digital Manifolds Operating Manual • 630.851.9444 • sales@jbind.com
D
B
E
F
MANIFOLD
A B
LOW SIDE HIGH SIDE
BLUE RED
Closed Closed
Open Closed
Open Closed
Closed Open
Open Open
Closed Open
Open Open
C D
EVACUATION CHARGING
PORT PORT
BLACK YELLOW
Closed Closed
Closed Open
Open Closed
Closed Open
Closed Closed
Closed Open
Open Closed
COMPRESSOR
E F
DISCHARGE SUCTION
SERVICE VALVE SERVICE VALVE
RED BLUE
Back seated and Back seated and
cracked open cracked open
Back seated and
Front seated
cracked open
Back seated Front seated
Midway open —
Back seated and
Midway open
cracked open
Back seated and
—
cracked open
Midway open Midway open
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