Installing 3Way Valve; Installing 2Way Valve; Freezing Protection - LG ARNH963K2A2 Manual De Instalación

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Sequence of thermostat operation
- How to set the heating temperature when thermostat is connected to the Hydro Kit.
Set thermostat
to the heating mode
- How to set the cooling temperature when thermostat is connected to the Hydro Kit.
Set thermostat
to the heating mode

Installing 3way Valve

• Flow direction :
- Water should flow from water outlet of the unit to DHW tank water inlet when DHW tank heating is selected.
- To verify the flow direction, check temperature at the water outlet of the unit and water inlet of DHW tank.
- If correctly wired, these temperatures should be almost equivalent if thermal insulation of water pipe is well
performed.
• Noise or water pipe vibration while 3way valve operation
- Due to surging effect or cavitation effect, noise or water pipe vibration can be occurred while 3way valve is
operating.
- In that case, check followings :
• Is water circuit (both under floor water loop and DHW tank loop) fully charged? If not, additional water
charging is required.
• Fast valve operation yields noise and vibration. Appropriated valve operating time is 60~90 seconds.

Installing 2way Valve

• Flow direction :
- Water should not flow into under floor loop in cooling mode.
- To verify the flow direction, check temperature at the water inlet of the under floor loop.
- If correctly wired, this temperatures should not be approached to 6°C(42°F) in cooling mode.

Freezing protection

Set the Dip SW and short key to Anti Freeze mode only after the addition of brine (Anti-freeze).
Or else the product may get damage due to freezing and bursting.
Adjust the heating temperature,
using the remote controller
Adjust the cooling temperature,
using the remote controller
Manual de instalación del Hydro Kit 53
Prueba de funcionamiento
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