Emerson Copeland Scroll ZB76KQE Application Engineering Bulletin

AE4-1332 R1
APPLICATION GUIDELINES FOR ZB50KQ(E) to ZB114KQ(E) COPELAND
Index
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
Due to store system design use and practices in the United States market, this product is not
approved for usage in the United States. Contact the Emerson Climate Technologies Refrigeration
Application Engineering department for further details.
© 2008 Emerson Climate Technologies
Printed in the U.S.A.
Application Engineering
Application Engineering
B B U U L
®
SCROLL
REFRIGERATION COMPRESSORS
Introduction....................................................................... 2
Compressor Handling....................................................... 2
Internal Pressure Relief Valve.......................................... 2
High Pressure Control...................................................... 2
Low Pressure Control....................................................... 2
Advanced Scroll Temperature Protection (ASTP)............ 3
Discharge Line Thermostat.............................................. 3
Accumulators.................................................................... 3
Screens............................................................................ 3
Crankcase Heaters/Charge Limits................................... 3
Pumpdown Cycle.............................................................. 3
Minimum Run Time.......................................................... 4
Motor Protection............................................................... 4
13.1 Module and Sensor Function Check................... 5
13.2 Module Voltage Supply Troubleshooting............. 5
13.3 Sensor Troubleshooting....................................... 5
13.4 Compressor Voltage Supply Troubleshooting...... 6
Oil Type............................................................................ 6
Electrical Connections...................................................... 6
Deep Vacuum Operation.................................................. 6
Voltage Frequency Restrictions.........................................6
Nomenclature................................................................... 6
Shell Temperature............................................................ 6
Suction and Discharge Fittings........................................ 7
Rotation Direction............................................................. 7
Brazing Procedure............................................................ 7
22.1 Unbrazing System Components...........................7
System Charging Procedure............................................ 7
High Potential Test........................................................... 8
Copeland Scroll Functional Check................................... 8
Tandem Operation............................................................ 9
Compressor Replacement................................................ 9
Start Up of Compressor.................................................... 9
L L E L T E
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I N T I
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AE-1332 R1
June, 2008