Installation check list
Configuration
System Design
Applications
Introduction
• Installing remote temperature sensor
Remote temperature sensor can be installed any place a user wants to detect the temperature
Distance between the indoor unit and the remote air temperature sensor should be less than 15 m
due to length of the connection cable of remote air temperature sensor.
Connect the wire between CN_Room in PCB and remote room sensor
CN_ROOM
[Remote room sensor]
Press ‘up’ for 3 sec
• Installer setting
CN_ROOM
[Remote room sensor]
Press ‘up’ for 3 sec
Enter installer setup mode, then Set
Remote sensor active “Use” Set Temp.
sensor selection “Air” .
• System diagram
DHW tank
DHW
Temp. sensor
IDU
Purpose: Configuration for DHW exclusive operation. System is set up by connecting piping to heat
exchanger installed in DHW tank.
• Necessary configuration and feature
Dip s/w
Separate setup is required
Dip s/w No. 3: On
Remote controller
Use the default one attached to indoor unit No installation required
Leaving water temperature DHW temperature is set by remote
controller
Single temperature
control
Control of DHW temperature sensor
DHW temperature can be set after
initiating heating operation
DHW temperature sensor
Installation
Temperature sensor that came with DHW
tank needs to be installed.
Booster heater
If not applied, and tank kit is not used
• Dip s/w Setting
OFF
ON
1
2
3
4
5
6
7
8
016
017
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COMPREHENSIVE APPLICATION AND INSTALLATION MANUAL
LG Electronics
3. System 3
