Group Control Setup - LG ARNH963K2A2 Installation Manual

Hydro kit medium temperature (k2) btu/h 107,500; hydro kit high temperature (k3) btu/h 86,000
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Upload Central Control Address to Each Hydro Kit
Assign the designated Central Control address to each Hydro Kit using the attached Hydro Kit Unit Controller.
Power Up All Indoor Unit PCB's
Turn the disconnect for each indoor unit to the ON position. Do Not turn the Hydro Kit on (oN/off Button remains OFF).
During the following procedure, NeVer PusH the oN/off (Enable operation) Button on the Hydro Kit Controller.
for Hydro Kits Not being controlled as a Group
Procedure
1. Verify the Hydro Kit controller cable is plugged into cN-reMo socket on the Hydro Kit's main PCB.
2. Using the controller, go to the setup Function 07.
3. Type in the Hex Central Control address that has been designated for the Hydro Kit.
4. Repeat Steps 1 through 3 for each Hydro Kit in the building.
for Hydro Kits being controlled as a Group
1. Before attempting to assign a Central Control address to any Hydro Kit units controlled as a group, choose which unit in the group will be
designated as the "Master" Hydro Kit and which Hydro Kits are going to be designated as "Slave" units.
2. From the Master Hydro Kit, remove the unit access panel and control panel cover to access the PCB.
3. Verify a group control pigtail cable is plugged into the cN-reMo socket on the Hydro Kit PCB. If it is not, plug the communications
cable pigtail into the cN-reMo socket at this time.
4. If the group control extension cable between the Hydro Kits is plugged into the Y-cable, unplug the extension cable from the Y-cable.
5. If not already completed, plug the Hydro Kit Unit Controller communications cable into the pigtail cable.
6. Using the controller, go to the setup Function 07. Type in the Multi V System Central Control address designated for the Master Hydro Kit.
7. Disable power to the Master Hydro Kit. Do not restore power to the Master Hydro Kit at this time! It will be restored in step 17.
8. If the Hydro Kit Unit Controller and associated communications cable has already been permanently mounted in place:
• Plug the Y-cable back into the pigtail and obtain another Hydro Kit Unit Controller with a communications cable.
• Continue programming the Slave Hydro Kit(s).
9. If necessary, power down the first Slave Hydro Kit unit.
• Disconnect the Y-cable from the pigtail.
• Verify that DIP switch #1 is in the OFF position while loading the Central Control address.
10. Plug the Hydro Kit Unit Controller communications cable into the socket on the pigtail cable.
Do Not push the oN/off button or enable the Hydro Kit unit operation at any time during this procedure.
11. Using the controller, go to the setup Function 07. Enter the Multi V System Central Control address designated for the Hydro Kit.
• Place DIP Switch No. 3 on the Hydro Kit PCB to the oN position.
12. Disable power to the Hydro Kit using the disconnect switch.
• Wait one (1) minute.
13. While power is off, unplug the Hydro Kit Unit Controller cable from the pigtail socket.
14. Plug the group control Y-cable back into the pigtail.
15. Restore power to that Slave Hydro Kit, and proceed to the next Slave Hydro Kit.
16. Repeat Steps 9 through 15 for each Slave Hydro Kit except the last one in the group. At the last Slave Hydro Kit the process is the same
except unplug the group control cable from socket cN-reMo on the Hydro Kit PCB board and plug the Hydro Kit Unit Controller cable
into the same socket.
17. After all Slave Hydro Kits have Central Control addresses assigned, go back to the Master Hydro Kit unit and restore power.
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.
Pre-coMMIssIoNING

Group Control Setup

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