LG MULTI V S ARUN038GSS4 - PRE-COMMISSIONING CHECKLIST; Refrigerant Circuit Preparation

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PRE-COMMISSIONING CHECKLIST
Page 1
Job Name / Location ________________________________________________________________________ Tag # _________________
Date: ____________________________________________________________________________________
Address: _________________________________________________________________________________
_________________________________________________________________________________
Refrigerant Circuit Preparation
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Check all indoor units for power at the unit disconnect and power is present at the indoor unit PCB board. (LED is lit.) DO
NOT TURN ON THE UNIT using the ON/OFF button.
Successful auto address routine is complete. All device addresses have been recorded on the Indoor Unit Device Configuration
Worksheet.
Ensure all field-installed full-port ball valves are open.
The piping system must hold a constant 550 psig pressure for a minimum of 24 hours with all isolation valves open.
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open and without the vacuum pump connected.
Power was energized to the outdoor unit(s) at ______________(time) on __________day to warm the compressor crankcase.
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The communications cable to the indoor units has been disconnected from the IDU (B) and IDU (A) terminals at the outdoor
unit(s).
None of the outdoor unit(s) service valves have been opened during the installation and preparation of the system for
commissioning. (If the valves were opened, the factory refrigerant charge has been released.)
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Initial Pressure ________________________________
Start Date ____________________________________
Start Time ____________________________________
Initial Ambient Temperature ______________________
End Pressure _________________________________
End Date ____________________________________
End Time ____________________________________
End Ambient Temperature _______________________
Evacuation
,QLWLDO0LFURQ/HYHO _____________________________
Start Date ____________________________________
Start Time ____________________________________
(QG0LFURQ/HYHO ______________________________
End Date ____________________________________
End Time ____________________________________
Rise ________________________________________