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INSTALLATION INSTRUCTIONS
18
INSTALLATION INSTRUCTIONS
Installation
1
Please fasten the back plate securely to
the wall using the provided screws.
Please ensure to not bend the back plate
as this could cause issues with installation.
2
There are three different wiring
configurations.
① Through the surface of the wall
② Upper section of Remote Controller
③ Right section of Remote Controller
3
Please secure remote controller upper part
into the backplate attached to the surface
of the wall, as pictured below, and then,
connect with backplate by pressing lower
part.
Please make sure to leave no gaps on the
top, bottom, left or right sides between
the remote controller and backplate.
Before assembly with the backplate,
arrange the Cable not to interfere with
circuit parts.
Remove remote controller by inserting a
screwdriver into the lower separating
holes and twisting to release the controller
from backplate.
There are two separating holes. Please
individually separate one at a time.
Please be careful not to damage the inside
components when separating.
<Connecting order>
Wall
Wall
Side
Side
<Separating order>
Wall
Wall
Side
Side
4
Please refer to the following directions
when connecting the indoor unit and the
wired remote controller together.
Remote
controller PCB
Indoor unit
side
YELLOW RED BLACK
Signal 12V
GND
!
CAUTION
When installing the wired remote
controller do not bury it in the wall. (It can
cause damage in the temperature sensor.)
Do not exceed 164ft(50m) for cable
length.
(It can cause communication error.)
Specification of LG supplied extension
cable : AWG 24, 3 conductor or above.
(Model : PZCWRC1)
Remote controller installation
Since the room temperature sensor is in the
remote controller, the remote controller box
should be installed in a place away from direct
sunlight, high humidity and direct supply of
cold air to maintain proper space temperature.
Install the remote controller about 5ft(1.5m)
above the floor in an area with good air
circulation at an average temperature.
Do not install the remote controller where it
can be affected by:
- Drafts, or dead spots behind doors and in
corners.
- Hot or cold air from ducts.
- Radiant heat from sun or appliances.
- Concealed pipes and chimneys.
- Uncontrolled areas such as an outside wall
behind the remote controller.
- This remote controller is equipped with LCD
display. For proper display of the remote
controller LCD's, the remote controller
should be installed properly as shown in
Fig.1. (The standard height is 4~5 ft (1.2~1.5
m) from floor level.)
Direct
Sun ray contact area
yes
no
no
no
no
5feet
(1.5meters)
no
(Fig. 1)
INSTALLATION INSTRUCTIONS
19
When installing more than 2 units of air
conditioner to one Thermostat, please
connect as pictured to the right.
- Set one indoor unit to master and the
remaining to slave.
GND
Signal wire
12V
GND
Signal wire
When controlling multiple indoor units with
one Thermostat, you must change the
master/slave setting from the indoor unit.
- Once DIP S/W is set, recycle power. When
recycling power, please remain in OFF
position for at least 1 minute for new
settings to take effect.
- For ceiling type cassette and duct product
group, change the switch setting of the
indoor PCB.
#3 switch OFF:
#3 switch ON: Slave
Master (Factory
default setting)
- For wall-mount type and stand type product,
change the master/slave setting with the
wireless.
Thermostat. (Refer to wireless Thermostat
manual for additional information)
When controlling the group, some advanced
functions (excluding basic operation setting,
fan level Low, med, high, Thermostat lock
setting and time setting) may be limited.
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