LG ARNH963K2A2 Installation Manual page 37

Hydro kit (for medium temperature)

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How to wire Independent Power Module

Step 1. Turn the power off using circuit breaker.

Step 2. Disconnect the EEV cable of the indoor units PCB(CN-EEV)

Step 3. Connect the independent power kit(CN-EEV/LOAD) to the indoor units EEV, using harness 1.

Step 4. Connect the independent power kit(CN-EEV/MAIN) to the indoor units PCB(CN-EEV/CN-

WRITE), using harness 2.

Step 5. Supply the power.

WARNING:

• The wire should not be exposed to the outside otherwise it may leads to the malfunction of

the independent power kit due to wire damage.

• Wrong wiring also causes the malfunction of the independent power kit or damage to it.

• Power should be supplied more than 20 minutes continuously in order to operate the

independent power kit correctly. Otherwise, the independent power kit can not fully close the

EEV due to the lack of the charging power.

For more detailed information, refer to the installation manual of Independent Power

Module.

CN-WRITE

Harness 2

CN-EEV

Harness 1

Accessories Installation

EEV

CN_EEV/MAIN

CN_EEV/LOAD

To Indoor unit's EEV

Hydro Kit Installation Manual 37

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