Application And Maintenance Of Freezer - Haier BD-478A Service Manual

(4) When seal plug of compressor is removed, if there is no gas flowing
sound (no pressure), the compressor shall not be used.
(5) Compressor has no seal plug it cannot be used.
(6) There should be no grease adhered to service operator's hands.
(7) The unpacking of the filter dryer of freezer should be opened right
before use.

12.4 Application and maintenance of freezer

12.4.1 Product characters
(1) Completely green environmental bed type freezer uses R134a as the
refrigerant, which is recognized internationally. It has an ozonosphere
depletion coefficient ODP=0.
New climate type design: commercial freezer uses wide temperature zone
design. At 38℃(100°F) high temperature, the freezer can start and stop
freely.
(2) New refrigeration system design: it takes dual direction refrigeration
system, thus increases refrigeration speed and prolongs compressor
life.
MAINTENANCE SERVICE AND TROUBLE SHOOTING
Maintenance Service and Trouble Shooting
12.4.2 Notice for use
(1) The freezer should level, the tilting angle when moving shall not be
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