User Guide
3www.mastercool.com
E-Z SNAP
TM
COUPLER (Fig. A) MANUAL COUPLER (Fig. B)
PULL
SLEEVE
to
UNLOCK
SERVICE
PORT
UNLOCKED
POSITION
LOCKED
POSITION
SLEEVE
To attach to the system, make sure that the coupler
is in it’s unlocked position. Press the coupler
against the service port until it snaps (locked
position).
To attach to the system, backdown the plunger by
turning the knob fully counter-clockwise. Connect
to the system by lifting up the sleeve, placing the
service port inside the coupler and releasing to
lock. To start the flow, turn the knob fully clockwise
(opening the service port).
EVACUATION OF REFRIGERANT AND
DEEP VACUUM (Fig. C)
CHARGING (Fig. D)
TO HIGH SIDE
"DISCHARGE"
TO
RECOVERY/RECYCLING
MACHINE OR
VACUUM PUMP
TO LOW
SIDE
"SUCTION"
TO LOW
SIDE
"SUCTION"
TO HIGH SIDE
"DISCHARGE"
TO FRESH
REFRIGERANT
SUPPLY TANK
OR
CHARGING CYLINDER
WARNING: This product contains one or more chemicals known to the State of California to cause cancer,
birth defects or other reproductive harm.










