Heat Controller BD-81, BD-101, BD-123, BDE-103, BDE-123 manual A-PullingVacuum, B-Charging

Models: BD-81 BDE-123 BDE-103 BD-123 BD-101

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Figure 18A-Pulling Vacuum

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.

CONDENSER

COMPOUND GAUGE

 

 

 

 

(HIGH PRESSURE SIDE)

MANIFOLD

 

 

 

 

 

GAUGE

A

 

 

B

CAPILLARY TUBE

 

 

 

 

 

SEE INSETS

 

 

 

BELOW

 

 

 

EVAPORATOR

 

 

 

(LOW PRESSURE SIDE)

 

COMPRESSOR

 

 

 

 

LOW

HI

 

A

 

 

 

B

B

A

 

EXTERNAL

 

 

 

VACUUM PUMP

 

 

 

 

 

CHARGING

 

 

 

CYLINDER

 

 

 

C

 

Figure 18A-Pulling Vacuum

Figure 18B-Charging

 

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Image 14
Heat Controller BD-81, BD-101, BD-123, BDE-103, BDE-123 manual A-PullingVacuum, B-Charging