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3.4 — 06D, E High Efficiency (H.E.) Compressors
High efficiency compressors were phased in between 1985
and 1987. A high efficiency compressor can be identified as
follows:
All 06D H.E. compressors (new or service replacement)
have the number “3” in the 11th digit of the model number.
See page 3 for examples.
The 06E compressor model numbers did not change. To
determine if a 06E compressor is high efficiency, check the
serial number. The following serial numbers indicate high
efficiency:
06EA models start with S/N 4585J...
06EM models start with S/N 0786J...
06ER models start with S/N 2287J...
All 06CC compressors are H.E. design.
All service compressors are high efficiency, except for some
“D” body units without a “3” in the 11th digit of the model
numbers.
NOTE: The 06E H.E. valve plates are identified by an elon-
gated ear protruding from the side of the valve plate, in con-
trast to the standard efficiency valve plates which have one
(A/C - EM, EZ, etc.,) or two (refrigeration - ER, EY)
rounded ears.
3.5 — Compressor Bodies Without Oil
In 1995 Carlyle began supplying new and service compres-
sors with no oil in the crankcase due to the introduction of
HFC/POE systems. This eliminates the need to drain min-
eral oil from the crankcase when alkylbenzene or POE oil is
to be used. POE oil is very hygroscopic (will readily pick up
and retain moisture from the air). See Section 2.2, page 11
for Carlyle approved system start-up instructions and Sec-
tion 3.6 below for the proper refrigerant oils.
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