Finish Up; Accessory Installation; Independent Power Module (K2 Only) - LG ARNH963K2A2 Installation Manual

Independent Power Module (K2 only)

The Independent Power Module is supplied with the Hydro Kit Medium Temperature (K2) unit. The Independent Power Module protects from
a plate heat exchanger burst. If a power outage occurs during normal operation, a plate heat exchanger burst could happen during oil-return
and defrosting cycle in cooling mode.
Wiring Pre-Check
• Verify power wiring and communication cable are all properly terminated.
• Test the line voltage wiring insulation. Conduct a Meg-ohm test reaching a value of 2.0M Ω or higher. Test the insulation resistance between
the Hydro Kit power wiring terminal block and ground using a DC meg-ohm tester (DC 500V).
Installation
1. Open the front panel of the Hydro Kit and the control box
cover.
2. Secure the power module to the wall of the Hydro Kit control
panel (Figure 33).
3. Route the power module wiring harness #2 through an opening
in the bottom of the control panel (Figure 34).
Harness #2
Figure 33: Securing Power Module to Control Panel
Harness #1
Due to our policy of continuous product innovation, some specifications may change without notification.
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Accessory Installation

Harness #2
EEV
Valve Harness #1
Figure 34: Routing Module Wiring
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