4
PRDCAM AHU Communication Kit Installation Manual
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.
TABLE OF SYMBOLS
This symbol indicates an imminently hazardous situation which, if not avoided, will result in death or serious injury�
This symbol indicates a potentially hazardous situation which, if not avoided, could result in death or serious injury�
This symbol indicates a potentially hazardous situation which, if not avoided, may result in minor or moderate injury�
This symbol indicates situations that may result in equipment or property damage accidents only�
This symbol indicates an action should not be completed� 
The instructions below must be followed to prevent product malfunction, property damage, injury or death to the user or other people. Incor-
rect operation due to ignoring any instructions will cause harm or damage. The level of seriousness is classified by the symbols described 
below.
Installation
All electrical work must be performed by a licensed electri-
cian and conform to local building codes or, in the absence 
of local codes, with the National Electrical Code, and the 
instructions given in this manual.
If the power source capacity is inadequate or the electric work is not 
performed properly, it may result in re, electric shock, physical injury or 
death�
Do not touch the communications and EEV kits’ wir-
ing, terminals, or other electrical components with tools or 
exposed skin when the power is connected. Only qualied 
technicians should install, remove, or re-install the kits.
Improper installation or use may result in re, electric shock, physical 
injury or death�
Do not install, remove, or re-install the communications 
and EEV kits by yourself (end user). Ask the dealer or a qual-
ied technician familiar with safety procedures and equipped 
with the proper tools and test instruments to install the kits.
Improper installation by the user may result in re, electric shock, physi-
cal injury or death�
For replacement of an installed communications and EEV 
kits, always contact a qualied LG service provider familiar 
with safety procedures and equipped with the proper tools 
and test instruments.
There is risk of re, electric shock, and physical injury or death.
Do not install the communications and EEV kits in a loca-
tion where the kits can be exposed to rain, snow, etc.
There is risk of physical injury or death due to electric shock�
Safely dispose of the packing materials.
Tear apart and throw away plastic packaging bags so that children may 
not play with them and risk suffocation and death� 
Wear protective gloves when unpacking, installing, and han-
dling the kits. Sharp edges may cause personal injury.
Do not install the communications and EEV kits in loca-
tions where either kit could fall down.
There is risk of physical injury�
Use the appropriate parts and connectors. 
There is risk of physical injury or death due to re and / or electric shock.
Replace all control box and panel covers on the communica-
tions and EEV kits.
If cover panels are not installed securely, dust, water, and animals may 
enter the kits, causing re, electric shock, and physical injury or death.
Failure to carefully read and follow all instructions in this 
manual can result in physical injury or death.
Only qualied technicians familiar with safety procedures 
and equipped with the proper tools and test instruments 
should install, remove, or re-install the communications and 
EEV kits.
Improper installation or use may result in product malfunction�
Do not install the communications and EEV kits in a 
location where the kits can be exposed to rain, snow, etc.
There is risk of product malfunction�
Do not drop the communications and EEV kits.
It may damage the products�
Failure to carefully read and follow all instructions in this 
manual can result in property damage and equipment mal-
function. 
SAFETY PRECAUTIONS