Figure 215:Proper Location for the Wired Controller.
4 to 5 feet
above the floor
NO
NO
NO
YES
Remote Controller
TEMP
Remote Controller
TEMP
Re
m
ot
e
C
o
n
t
r
ol
l
er
TEMP
Wired controllers include a sensor to detect room temperature. To maintain
comfort levels in the conditioned space, the wired controller must be installed in
a location away from direct sunlight, high humidity, and where it could be directly
exposed to cold air. Controller must be installed four (4) to five (5) feet above the
floor where its LED display can be read easily, in an area with good air circula-
tion, and where it can detect an average room temperature.
Do not install the wired controller near or in:
• Drafts or dead spots behind doors and in corners
• Hot or cold air from ducts
• Radiant heat from the sun or appliances
• Concealed pipes and chimneys
• An area where temperatures are uncontrolled, such as an outside wall
Wired Controller Placement
Assigning the Thermistor for Temperature Detection
Each indoor unit includes a return air thermistor assigned to sense the temperature. If a wired controller is installed, there is a choice of
sensing temperature with either the indoor unit return air thermistor or the thermistor in the wired controller. It is also an option to set both
thermistors to sense temperature so that indoor unit bases its operation on the first thermistor to reach the designated temperature differen-
tial. For applicable indoor units, an optional Remote Temperature Sensor can be used in lieu of the return air thermistor—either alone or in
conjunction with a wired controller thermistor as previously described.
Hanging the Wired Controller
1. The controller wiring / cable can be installed in one of three directions: top,
back, or on the right side. If top or right side installation is desired, remove
cable guide grooves on the controller, and then position wiring / cable on ap-
plicable side.
2. Choose and mark the area of installation, and then screw the wall plate into
place (using the provided parts). Install the controller wall plate to fit the elec-
trical box if one is present. Ensure that no gaps exist between the wall plate
and the wall itself.
3. Arrange wiring / cables so as not to interfere with the controller circuitry.
Position the wired controller on the wall plate. Snap into place by pressing the
bottom part of the wired controller onto the wall plate. Make sure that no gaps
exist between the wired controller and the wall plate on all sides.
4. To remove wired controller from the wall plate, insert a screwdriver into the
two holes at the bottom. Twist screwdriver to release controller. Do not
damage the controller components when removing.
Back
Top
Right
Side
Right
Side
Wall Wall
Wall Wall
Installing the Controller
Removing the Controller
Figure 216:Removing the Cable Guide Grooves.
Figure 217:Attaching the
Wall Plate.
Figure 218:Installing /
Removing the Controller.
TWO-WAY VAHU INDOOR UNITS
Installation and Best Layout Practices
Due to our policy of continuous product innovation, some specications may change without notication.
©LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG” is a registered trademark of LG Corp.
154 | VERTICAL-HORIZONTAL
Multi F and Multi F MAX Indoor Unit Engineering Manual
(62 pages)
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