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Emerson Copeland Scroll ZB KC Series Application Engineering Bulletin page 2

Refrigeration compressors 7 to 15 hp
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Figure 1C
ZB95KCE & ZB114KCE Application Envelope for
R404A/R507 HT Applications 7-15Hp
Figure 1D
ZB*KC (excluding ZB95KC & ZB114KC)
Application Envelope for R22 HT Applications
7-15Hp
,
Figure 1E
ZB95KC & ZB114KC Application Envelope for R22
HT Applications 7-15Hp
© 2008 Emerson Climate Technologies
Printed in the U.S.A.
Application Engineering
B
U
L
20 F SH
20 F Min. SH
20 F SH
L
E
T
ZB*KCE Application Envelope for R134A HT
260° F DLT Limit, 20° F Superheat
Voltage / Frequency Restrictions
Due to inadequate cooling from refrigerant fl ow through
the compressor, the following 50 Hz applications are
not approved:
ZB95KC / ZB95KCE / ZB114KC / ZB114KCE-TWD
420 V 50 Hz
ZB95KC / ZB95KCE / ZB114KC / ZB114KCE-TW5
200-220 V 50 Hz
Compressor Lubrication
The compressors can be used with different lubricants
depending upon the refrigerant used. See Form 93-11
for a complete list of all Emerson approved lubricants.
Accumulators
Due to the inherent ability of scroll compressors to
handle liquid refrigerant in fl ooded start and defrost
cycle operation conditions, accumulators may not
be required. An accumulator is required on single
compressor systems when the charge limitations
exceed those values listed in Table 2. On systems
with defrost schemes or transient operations that
allow prolonged uncontrolled liquid return to the
compressor, an accumulator is required unless a
Model Family
ZB50, 58, 66, 76, 88, 95, 114 KC/E
ZB56,68,75,92KC/E & ZB11MC/E
2
I
N
Figure 1F
Applications 7-15Hp
Evaporating Temperature
TABLE 2
CHARGE LIMITS
Charge Limits
16 lbs
17 lbs
AE-1318 R1

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