Installation check listConguration
System Design ApplicationsIntroduction
• System diagram
Controller (3
rd
party)
Dry contact
IDU
Purpose: System installation for generic oor heating/cooling based on indoor air temperature sensor
Radiator/fan coil based heating and cooling
• Necessary conguration 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 23 45678
• 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.
[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 reect the setting.
030 031
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COMPREHENSIVE APPLICATION AND INSTALLATION MANUAL
LG Electronics
7. System 7
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