Multi F LMU540HV Installation Manual

Table Of Contents
48 Multi Air Conditioner
Connecting the Cable between Indoor Unit, Distributor Unit and Outdoor Unit
(1) Remove the side panel and knockouts of conduit
panel. (for low voltage line)
(2) Pull out connection cable through conduit.
(3) After conduit to the panel, fix nut to the opposite
side of panel.
(4) Pass the connection cabel through the hole.
(5) Properly connect the cable on the terminal block.
(6) Fix the connection cable with cord clamp pro-
vided on the unit not to have strain at the ter-
minal when the connection cable is pulled
outside up to a 35 pound weight
WARNING: Loose wiring may cause
the terminal to overheat or result in
unit malfunction. A fire hazard may
also exist. Therefore, be sure all
wiring is tightly connected.
When connecting each power wire to the corre-
sponding terminal, follow instructions "How to
connect wiring to the terminals" and fasten the
wire tightly with the fixing screw of the terminal
plate.
How to connect wiring to the terminals
For strand wiring
(1) Cut the wire end with a wire cutter or wire-cut-
ting pliers, then strip the insulation to expose
the strand wiring about 10 mm(3/8").
(2) Using a screwdriver, remove the terminal
screw(s) on the terminal plate.
(3) Using a round terminal fastener or pliers, se-
curely clamp each stripped wire end with a
round terminal.
(4) Position the round terminal wire, and replace
and tighten the terminal screw using a screw-
driver.
Connection method of the connecting cable(Example)
Power supply cable
Connecting Cable
Strip 10 mm(3/8")
Round
terminal
Connecting cable
Loosening the
terminal block
screw
Fastening the
wire tightly
Strand wire
Terminal
block
Side panel
Cord clamp
Conduit hole
Power supply cable
(1Ø, 208/230V)
Connecting cable
(1Ø, 208/230V)
Taping
(for sealing)
Lock nut
(field supply)
Conduit
(field supply)
Conduit panel
Indoor Unit A
Indoor Unit B
Indoor Unit C
Indoor Unit D