Emerson Scroll ZB*KAU, Инструкции по применению

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© 2018 Emerson Climate Technologies, Inc.
1
Application Guidelines for ZB*KAU Copeland R-290
Scroll™ Compressors
TABLE OF CONTENTS
Safety ........................................................................... 3
Safety Instructions.................................................... 3
Safety Icon Explanation ........................................... 3
Instructions Pertaining to Risk of Electrical Shock,
Fire, or Injury to Persons ........................................ 4
Safety Statements .................................................... 5
1. Introduction .......................................................... 6
1.1. General instructions ..................................... 6
2. Product Description .............................................. 7
2.1. Nomenclature ............................................... 7
2.2. Application .................................................... 7
2.2.1. Qualified refrigerant and oil .................. 7
2.2.2. Maximum Allowable Operation
Pressures ............................................. 7
2.2.3. Application limits .................................. 7
2.2.4. Oil level ................................................ 7
2.2.5. Superheat Requirements ..................... 8
3. Installation ............................................................ 9
3.1. Transport and storage .................................. 9
3.2. Positioning and securing .............................. 9
3.3. Installation location ...................................... 9
3.4. Compressor mounting parts ......................... 9
3.5. Brazing procedure ...................................... 10
3.6. Filter screens .............................................. 10
3.7. Sound and vibration ................................... 11
4. Electrical connection .......................................... 11
4.1. Units Electrical connection per BOM 634. . 11
4.1.1. Assembly of the molded plug cable ... 11
4.1.2. Removing the molded plug power cable
........................................................... 12
4.2. Electrical installation .................................. 12
4.2.1. US Units ............................................. 12
4.2.2. European Units .................................. 12
4.2.3. Protection devices .............................. 14
4.2.4. Crankcase heaters ............................. 14
4.3. Pressure protection devices ....................... 14
4.3.1. High pressure protection .................... 14
4.3.2. Low-pressure protection .................... 14
4.4. Discharge gas temperature protection ....... 15
4.4.1. Excessive discharge gas temperatures ..
............................................................ 15
4.4.2. Discharge gas temperature protection ...
............................................................ 15
4.5. Motor protection .......................................... 17
4.6. High-potential testing .................................. 17
5. Starting up & operation ....................................... 17
5.1. Compressor tightness test .......................... 17
5.2. System evacuation ..................................... 17
5.3. Charging procedure .................................... 18
5.4. Preliminary checks
– Pre-starting ............... 18
5.5. Rotation direction ........................................ 18
5.6. Starting sound ............................................ 18
5.7. Deep vacuum operation ............................. 18
5.8. Shell temperature ....................................... 19
5.8.1. Minimum Run Time ............................ 19
5.8.2. Shut-off sound .................................... 19
6. Maintenance & repair ......................................... 19
6.1. Disassembling system components ........... 19
6.2. Exchanging the refrigerant ......................... 20
6.3. Replacing a compressor ............................. 20
6.3.1. Compressor replacement ................... 20
6.3.2. Start-up of a new or replacement
compressor ......................................... 21
6.3.3. Compressor return procedure ............ 21
6.4. Lubrication and oil removal ........................ 22
6.5. Oil additives ................................................ 22
7. Troubleshooting .................................................. 22
8. Dismantling & disposal ....................................... 23
9. General Guidelines and More Information ......... 23
Appendix A: Common Scroll problems encountered in
the field. ...................................................................... 25
Appendix B: Oil Filling Test for new applications ....... 28
AE4-1431 R1
August 2018