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14HPX SERIES
TO LIQUID LINE SERVICE
VALVE
DIGITAL SCALE
REFRIGERANT
TANK
TEMPERATURE
SENSOR
(LIQUID LINE)
MANIFOLD GAUGE SET
A Close manifold gauge set valves and connect the center hose to a cylinder of HFC-410A. Set
for liquid phase charging.
B Connect the manifold gauge set's low pressure side to the true suction port.
C Connect the manifold gauge set's high pressure side to the liquid line service port.
D Position temperature sensor on liquid line near liquid line service port (use only for subcooling
method).
CHARGE IN
LIQUID PHASE
CONNECTIONS FOR OPTIMIZING SYSTEM CHARGE
GAUGE SET
A
C
D
LOW
HIGH
B
TRUE SUCTION PORT
CONNECTION
NOTE — Refrigerant
tank should be turned
right-side-up to deliver
vapor during charge
optimizing procedure.
HFC-410A
NOTE — For simplify the illustration,
the line set is not shown connected to
service valves.
Figure 24. Gauge Set Connections
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