Summary of Contents for LG Multi V Standard Gen 4 Series
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WALL-MOUNTED INDOOR UNIT INSTALLATION MANUAL Standard Wall-Mounted Art Cool™ Mirror Wall-Mounted 5,500 to 35,500 Btu/h 5,500 to 24,200 Btu/h Art Cool™ Gallery 9,600 and 12,300 Btu/h...
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Wrap all refrigerant piping including field-provided isolation ball valves and flexible pipe connection kits provided by LG. Glue all insulation joints with no air gaps between insulation segments, and between insulation segments and the unit case. Ensure insulation material fits snugly against the refrigeration pipe with no air space between the pipe surface and the surrounding insulation.
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• Communication cable from Indoor Unit to Remote Controller(s) is to be 22 AWG, 3-conductor, twisted, stranded, unshielded. Wiring must comply with all applicable local and national codes. • If the length needs to be extended, the LG Extension Kit (sold separately) must be used. A maximum of four (4) kits (up to 165 feet) can be used.
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Don’ts • Never use wire caps and never splice communications cables. • Never connect zone controllers or other central controllers or LG building management system gateways to the indoor unit / outdoor unit communications cable. Connection Procedure Indoor unit installation best practices are to connect control wiring (low voltage) and then connect power wiring (high voltage).
(4) to five (5) feet above the finished floor. • It may be necessary to use a handy box that is sized in metric units, depending on the sensor model. Check with your LG representative to verify which size of handy box is needed for the sensor in question.
(see table). LG VRF systems can operate with both old 2A heat recovery units and new 3A heat recovery units if the outdoor unit software has been upgraded. If a system includes a mix of both old and new heat recovery units, system design must follow 2A heat recovery unit series piping rules.
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LG Electronics, U.S.A., Inc. Air Conditioning Technologies 4300 North Point Parkway IM_MultiV_Wall_Mounted_10_19 Alpharetta, Georgia 30022 Supersedes: IM_MultiV_IV_Wall_Mounted_08_17 www.lghvac.com IM_MultiV_IV_Wall_Mounted_04_16...
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