Zenith ZD30 - 2. Piping Diagrams

Service Manual 3
2. Piping Diagrams
Equipment needed: 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.
B
A
COMPRESSOR
COMPOUND GAUGE
MANIFOLD
GAUGE
SEE INSETS
BELOW
EXTERNAL
VACUUM PUMP
CHARGING
CYLINDER
HILOW
A
B
A
B
C
CONDENSER ASSEMBLY
(HIGH PRESSURE SIDE)
EVAPORATOR ASSEMBLY
(LOW PRESSURE SIDE)
CAPILLARY
TUBE
Figure A-Pulling Vacuum
Figure B-Charging