LG ARNH963K2A2 Installation Manual page 52

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Accessory Installation
remote temperature sensor Installation - continued
8. At the Hydro Kit, remove the unit access panel and control panel
cover.
9. On the main PCB board locate the socket tagged cN_
rooM.
10. Route the sensor wire through the bottom of the control panel
and push the plug-end of the remote sensor communications
cable into the cN_rooM socket.
11. Re-install the control panel cover and the unit access panel.
Hydro Kit circuit 3-Way Domestic Water Valve Wiring terminations
A Hydro Kit Circuit 3-way Domestic Water valve is required to alternate the flow of heated water from the Hydro Kit (or Solar Heating System Inter-
face) between the indirect hot water storage tank and the portion of the water loop serving devices designed to heat the conditioned space. Follow
the valve manufacturer's instructions for wiring termination guidance at the valve. The procedure below describes how to terminate the valve wiring
at the Hydro Kit..
Procedure
1. Take front access panel off of the Hydro Kit and remove the
control box cover.
2. Locate terminal block and connect wires as shown in the Table
for the specific Hydro Kit units as outlined in Figure 36 or Figure
37.
3. Re-install the control box cover and the unit access panel.
52
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To remove unit: Push unit in upward direction first so that screw
heads disengage from the back anchor and then gently pull unit
away from the screws (refer to Figure 52, on previous page).
Be sure to always have powered off before installation of accessories.
Never operate Hydro Kit outside of the operational parameters as out-
lined in this manual and the product specifications.
Never touch wiring or install accessories with wet hands.