Connecting An Lg Dry Contact Device; Connecting A Smoke Detector - LG Multi V Installation Manual

Connecting an LG Dry Contact Device

1. Remove the control panel cover.
2. Find the CN-CC socket on the Indoor Unit Control Board. Refer to Figure 24 and Figure 25.
3. Plug the dry contact 5-lead matching plug into the socket.
4. Mount the dry contact securely to the wall of the indoor unit using field provided Velcro
5. Refer to the installation manual for the particular dry contact in use for instructions on how the dry contract works, and how to ready the
dry contact device for commissioning.

Connecting a Smoke Detector

Indoor unit fan operation can be stopped using:
• An optional LG provided dry contact device
• A command initiated from LG's AC Smart II central controller
• A command initiated from a building automation system
• A field provided relay in series with the unit power disconnect
breaking power to the indoor unit
In locations where code requires fan shutdown to occur within 30
seconds of smoke being detected, use the field provided relay
method. Do not use the other methods. (Refer to Figure 26).
LOW VOLTAGE COMMUNICATIONS
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.
type material.
®
L
Contactor C1
SD
Figure 26: Smoke Detector Field Wiring.
NC
IDU
Fan
C1
N
29