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AE4-1332 R1
APPLICATION GUIDELINES FOR ZB50KQ(E) to ZB114KQ(E) COPELAND
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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
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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
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
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AE-1332 R1
June, 2008
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Table of Contents
Troubleshooting
Related Manuals for Emerson Copeland Scroll ZB50KQE
Summary of Contents for Emerson Copeland Scroll ZB50KQE
-
Page 1: Table Of Contents
Start Up of Compressor............ 9 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. -
Page 2: Introduction
A high pressure control must be used with this to the on-line product information accessible from compressor. The high pressure control should have the Emerson Climate Technologies website at a manual reset feature for the highest level of system www.emersonclimate.com. Operating principles of protection. -
Page 3: Advanced Scroll Temperature Protection (Astp)
The use of screens fi ner than 30 x 30 mesh (0.6 mm openings) anywhere in the system is not recommended. After extensive research and trials Emerson found a Field experience has shown that fi ner mesh screens way to install a Therm-O-Disc® temperature sensitive... -
Page 4: Minimum Run Time
See Application Engineering Bulletin 17-1262 for more information on preventing compressor short cycling. Emerson recommends that the cut out setting of the pump down pressure control be set no more than a 13. Motor Protection few degrees of equivalent saturated pressure below the lowest expected normal operating pressure. -
Page 5: Module And Sensor Function Check
CAUTION: Use an Ohmmeter with a maximum of 9 VDC for checking – do not attempt to Lockout Non Phase Sensing check continuity through the sensors with any Reset For Lockout Non Phase Sensing © 2008 Emerson Climate Technologies Printed in the U.S.A. -
Page 6: Compressor Voltage Supply Troubleshooting
"E" in the model number. An example is the example would be the ZB66KQE-TFD, with R404A, ZB66KQE-TFD. Refer to Form 93-11 for Emerson which has 65,000 Btu/hr cooling capacity at the ARI approved lubricants that may be used to recharge medium temperature rating point. -
Page 7: Suction And Discharge Fittings
Do not operate compressor without terminals will maintain proper rotation direction. enough system charge to maintain at least 7 psig © 2008 Emerson Climate Technologies Printed in the U.S.A. -
Page 8: High Potential Test
fi eld in the shop or depot for Hipot, winding resistance, 25. Scroll Compressor Functional Check and ability to start before returning. More than one- third of compressors returned to Emerson for warranty A functional compressor test with the suction service analysis are determined to have nothing found wrong. -
Page 9: Tandem Operation
To remove this excess compressor by operating with no refrigerant fl ow. © 2008 Emerson Climate Technologies Printed in the U.S.A. - Page 10 The time spent heating Area 3 should be minimal. • As with any brazed joint, overheating may be detri- mental to the fi nal result. Figure 1 Scroll Tube Brazing © 2008 Emerson Climate Technologies Printed in the U.S.A.
- Page 11 Application Engineering AE-1332 R1 Figure 2 Figure 3 © 2008 Emerson Climate Technologies Printed in the U.S.A.
- Page 12 Application Engineering AE-1332 R1 Figure 4 Figure 5 © 2008 Emerson Climate Technologies Printed in the U.S.A.
- Page 13 Application Engineering AE-1332 R1 Figure 6 Figure 7 © 2008 Emerson Climate Technologies Printed in the U.S.A.
- Page 14 Application Engineering AE-1332 R1 Figure 8 Figure 9 © 2008 Emerson Climate Technologies Printed in the U.S.A.
- Page 15 Application Engineering AE-1332 R1 Figure 10 © 2008 Emerson Climate Technologies Printed in the U.S.A.
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