Installation check list
Configuration
System Design
Applications
Introduction
• System diagram
Controller (3
rd
party)
Dry contact
IDU
Purpose:
System installation for generic floor heating/cooling based on indoor air temperature sensor
Radiator/fan coil based heating and cooling
• Necessary configuration and feature
Dip s/w
N/A
Keep default 2/3 OFF
Remote controller
Use the default one attached to indoor unit No installation required
Leaving water temperature Set up by remote controller
Single temperature
Control
Control of leaving water temperature
DRY CONTACT
Installation
Dry contact is an option and needs to
be purchased and installed separately.
Mode: General mode ON/OFF
P/n : PDRYCB000
Installing 3
rd
Controller
To be purchased from 3
rd
party(Required)
Installer setting
Remote controller needs to be set
up separately.
• Dip s/w Setting
OFF
ON
1
2
3
4
5
6
7
8
• Instaling dry contact
LG Dry Contact is a solution for automatic control of air conditioning system at the owner's behest.
In simple words, it's a switch which can be used to turn the unit On/Off after getting the signal from
external sources like key-in lock, door or window switch etc specially used in Hotel rooms.
Press ‘up’ for 3 sec
[DRY CONTACT]
Cable (1ea)
1. CN-POWER: Connector
2. CN-CC: Indoor PCB Connector
3. CN_DRY (L): DRY CONTROLLER Connector
4. CN_DRY (SIG): DRY CONTROLLER Connector
5. CN_DRY (ERROR CHECK): ERROR Check Display Connector
6. CN_DRY (OPER STATE): Operation Display Connector
1
2
6
5
4
3
After changing any Dry contact setting, then you must press RESET switch to reflect the setting.
030
031
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COMPREHENSIVE APPLICATION AND INSTALLATION MANUAL
LG Electronics
7. System 7
