LG Multi V ARUN053GF2 Installation Manual page 68

Pre-coMMIssIonInG cHecKlIst
Job Name / Location ________________________________________________________________________ Tag # _________________
Date: ____________________________________________________________________________________
Address: _________________________________________________________________________________
_________________________________________________________________________________
refrigerant circuit Preparation
Description
Using a copy of the LATS Multi V pipe design diagram, verify the sum of the indoor unit nominal capacity connected to the piping
system is between 50% and 130% of the Space II unit's nominal capacity. If this rule is violated, the system will not start.
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.
Insure all field-installed full-port ball valves are open.
The piping system held a constant 550 psig pressure for a minimum of 24 hours with all isolation valves open.
A triple system evacuation has been performed. Micron gauge reading held at a minimum of 500 for 24 hours with all isolation
valves open and without the vacuum pump connected.
Power was energized to the Space II unit at ______________(time) on __________day to power the compressor crankcase heat-
er(s). (Must be at least 6 hours before commissioning.)
The communications cable to the indoor units has been disconnected from the IDU (B) and IDU (A) terminals at the Space II unit.
None of the Space II unit service valves have been opened during the installation and preparation of the system for commission-
ing. (If the valves were opened, the factory refrigerant charge has been released.)
Prepare Pre-commissioning Package Documents
Include
1. A copy of the refrigerant piping system(s) shop drawing(s) generated by LATS Multi V pipe design software.
2. A copy of the pipe fitter's pipe changes and field notes.
3. A verified copy of the "As-Built" LATS Multi V Project file (*.mtv) that includes all changes noted by the pipe fitter(s) in
Number 2. The tree diagram notes should include changes to the line lengths used for each liquid line segment.
4. A copy of a completed and verified Installation Checklist for the Space II unit, indoor units, ERVs, Air Cleaners, and Control
Devices. Correct any procedures needing attention before initiating a request for commissioning.
5. A copy of the air balance report showing proper airflow at all indoor units.
6. A completed Pre-commissioning Device Configuration Worksheet.
7. A completed copy of the Pre-commissioning Checklist.
8. If available, a list of IP addresses obtained from the building owners IT department for each ACP, BacNet, LonWorks, AC
Smart II, AC Smart Premium devices.
Initiate a commissioning request
Description
Verify this checklist and requirements herein have been met. Complete this checklist in its entirety BEFORE initiating a request for
Commissioning.
Send all Pre-commissioning Package Documents to your LG Applied Representative.
Contractor Name: ______________________________________ ____________________________________________________
Address: ____________________________________________
____________________________________________
Phone: _____________________________________________
*This form must be completed and submitted to LG a minimum of three (3) weeks prior to final scheduling of any startup.
Note: If any of the above items are not complete at time of start-up, back charges will be assessed for additional costs.
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(Authorized Signature)
Date: _______________________________________________
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