LG MULTI V HYDRO KIT ARNH963K2A4 Installation Manual page 90

PRE-COMMISSIONING
Functions
Common Functions
Test Run Mode
Test run must be performed if charging additional refrigerant is required. The unit must operate in Cooling mode when the refrigerant is being
charged. Test run instantly makes the unit operate in Cooling mode for eighteen (18) minutes.
• If any button is pressed, Test Run Mode will stop.
• After the unit operates in Test Run Mode for 18 minutes, the mode will turn off automatically.
Three (3) Minute Delay
Factory use only.
Remote Sensor Active
If a remote air sensor is connected to control the product by room air temperature, the product is notified of the connection information.
-
perature.
Temperature Sensor Selection
The product can be operated using air temperature or leaving water temperature. The Temperature Sensor Selection mode is used to deter-
mine the setting temperature as air temperature or leaving water temperature.
Dry Contact
This function allows the Dry Contact / Hydro Kit connection to operate under Auto Run mode or Manual mode with remote control panel.
Use the Dry Contact function for contact point signal input when the hotel card key, movement detection sensor, etc. are interfacing with the
air conditioner. Added system functionality by using external inputs (dry contacts and wet contacts). For dry contact related details, refer to
the individual dry contact manual.
Central Control Address
When Central Controller is installed, assigning the addresses is set using this function.
• First two digits: Central control group number
• Last two digits: Central control Hydro Kit unit number
Override Master / Slave
Override master / slave selection function is used to prevent the unit operating in a different mode. If the unit is set as the slave, the mode
blocks a change of opposite operating mode (cooling / heating).
Pump Test Run
The Pump Test Run tests water pump operation. It can also be used for air vents, flow sensors, and more. After the water piping is installed
and finalized, the Pump Test Run function must be operated to verify water circulation is normal.
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 Life's Good" is a registered trademark of LG Corp.
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