LG Multi V Installation Manual page 32

INDOOR UNIT INSTALLATION CHECKLIST
Electrical
Power provided is single phase, ±10% of IDU nameplate specifications.
Power wires properly sized and protected per NEC and local codes. IDU is properly grounded.
Power and communications conductors are separated by the recommended minimum distance.
Terminal block screws are tight. Power wires are not in contact with terminals 3(A) and/or 4(B). Line voltage
wires have spade connectors installed.
Power wires are properly secured to the control box case to prevent wire tension at the terminal block.
Wires are protected from chaffing at control box and conduit pipe penetrations.
Smoke detector is properly installed and wired (optional). New batteries are installed (if applicable).
Low voltage control cables are properly secured to the control panel case. Terminal block screws are tight and
the cable is protected from sharp edges at control box case and conduit openings.
Cables are installed at recommended distances from high voltage and EMF generating equipment.
ODU/IDU communications cable connected to terminals 3(A) and 4(B).
Field provided communications cable is 18 gauge, two conductor, stranded and shielded. All terminations are
made at the terminal block. No inline splices or wire caps are present.
Communications cable is plenum rated.
Communications cable shield is tied back and and is grounded at ODU end ONLY.
Wall Mounted Zone Controller Communications
LG factory-provided zone controller stranded, shielded (white jacket) cable was used between the zone
controller(s) and indoor unit(s).
Zone controller cable has not been cut, spliced, or tied together with wire caps. Factory plugs are present.
Cable is securely plugged into the socket on the zone controller or the three screw terminals (controller model
specific); Yellow to "Y", Red to "R", and Black to "B".
Zone controller DIP switches have been adjusted for the application's space temperature sensing strategy.
Indoor Unit Control Panel
Zone controller cable is securely plugged into the CN-REMO socket on the IDU circuit board.
If an optional remote temperature sensor was installed, the associated cable is plugged into socket CN-ROOM
on the IDU circuit board and the factory return air thermistor has been unplugged.
IDU DIP switches have been adjusted for application (group control-master/slave; dry contact; ceiling/floor
location)
All plugs are properly seated in the sockets on the IDU circuit board.
Power and communications cables are properly restrained and separated.
32
PAGE 2
Due to our policy of continuous product innovation, some specifications may change without notification.
©LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. "LG" is a registered trademark of LG Corp.
N/A Not Complete Complete
N/A Not Complete Complete
N/A Not Complete Complete