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ESIE16-03B
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Part 3. Repair
3.1. Refrigerant repair procedures
22/08/16
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Version 1.1
Page 63
SA R32 Sky-Air RZAG-L
Figure 3-2: 3 service ports at the stop valves
3.1.3. Refrigerant pump down
This unit is equipped with an automatic pump down operation which will collect all refrigerant from the field piping and indoor unit
in the outdoor unit. To protect the environment, make sure to perform the following pump down operation when relocating the unit.
3.1.3.1. Small outdoor unit
1. Remove the valve lid from liquid stop valve and gas stop valve.
2. Carry out forced cooling operation.
1. Vacuum pump
2. To recovery pump
I
NFORMATION
See instruction of the recovery pump supplier how to recover the refrigerant.
W
ARNING
: R
ISK
OF
EXPLOSION
• When the refrigeration circuit has a leak, do not execute pump down with the compressor.
• Use recovery system into separate cylinder.
• Warning, explosive hazard exists when executing pump down.
• Pump down with compressor can lead to self-combustion due to air entering during pump down.
I
NFORMATION
Some outdoor units are equipped with a low pressure switch to protect the compressor by switching it off.
Never short-circuit the low pressure switch during pump down operation!
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Содержание RZAG100L7V1B
Страница 14: ...ESIE16 03B Part 1 Introduction 1 4 How to use Page 14 22 08 16 Version 1 1 SA R32 Sky Air RZAG L ...
Страница 60: ...ESIE16 03B Part 2 Troubleshooting 2 5 Other capacity range Page 60 22 08 16 Version 1 1 SA R32 Sky Air RZAG L ...
Страница 98: ...ESIE16 03B Part 5 Appendix Page 98 22 08 16 Version 1 1 SA R32 Sky Air RZAG L ...