—12—
A
COMPOUND GAUGE
EVAPORATOR
(LOW PRESSURE SIDE)
COMPRESSOR
CAPILLARY TUBE
CONDENSER
(HIGH PRESSURE SIDE)
SEE INSETS
BELOW
Fitting: UNF 1/2-20
MANIFOLD
GAUGE
B
Equipment needed: • The tools must be used according to the type of refrigerant. Never use the gauge manifold,
charge hose, charge cylinder or vacuum pump with other refrigerants. Always carry out the
work with dedicated tools.
• Vacuum pump, Charging cylinder, Manifold gauge, Brazing equipment, Pinch-off tool
capable of making a vapor-proof seal, Leak detector, Tubing cutter, Hand Tools to remove
components, Service valve.
A
CHARGING
CYLINDER
LOW
HI
B
C
A
B
EXTERNAL
VACUUM PUMP
Fitting: UNF 1/2-20
Figure 18A-Pulling Vacuum
Figure 18B-Charging
CAUTION
Use vacuum pump equipped with check valve
applied to be prevented from flowing backward.
