LG Therma V AHUW128A2 - How to Install Solar Thermal Kit; Dry Contact; Remote Temperature Sensor

How to Install Solar Thermal Kit
Step 1. Check the diameter of pre-installed pipes. (symbol Ⓐ and Ⓑ)
Step 2. If the diameter of pre-installed pipes is different from diameter of solar thermal kit, it is neces-
sary to reduce or extend of pipe’s diameter.
Step 3. After Step 2., connect the pipe and solar thermal kit.
Step 4. Connect solar thermal sensor to ‘CN_TH4’(Red connector) of the indoor unit PCB.
If the sanitary tank sensor is connected, disconnect the sensor from PCB first.
Solar
Thermal
System
(Field Supply)
Solar
Collector
(Field Supply)
Water Tank
Water Tank Sensor
(less than 12 m)
Solar Thermal Sensor
(less than 12 m)
Water In
Water Out
Water Out
Water In
3way valve
(Field Supply)
Pump
(Field Supply)
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.
How to Install Dry Contact
• For more information about installing Dry Contact, Please refer installation manual provided with
Dry Contact.
• For system set-up, please read chapter 8.(Especially function code No.6)
Dry Contact
Remote temperature sensor can be installed any place a user wants to detect the temperature.
How to Install Remote Temperature Sensor
• For more information about installing Remote Temperature Sensor, Please refer installation manual
provided with Remote Temperature Sensor.
• For system set-up, please read chapter 8.(Especially function code No.3)
Remote Temperature Sensor
Accessories Installation
66 Air-to-Water Heat Pump