Typical Installation Example - LG Hydro Kit ARNH30GK1A4 Installation Instructions Manual

PIPING AND WIRING FOR INDOOR UNIT
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Typical Installation Example

CAUTION
!
If Hydro Kit is installed with pre-existing boiler, the boiler and Hydro Kit should not be
operated together. If entering water temperature of Hydro Kit is above 50 °C, the system
will stop operation to prevent mechanical damage of the product. For detailed electric wiring
and water piping, please contact authorized installer.
Some installation scenes are presented for example. As these scenes are conceptual figures,
installer should optimize the installation scene according to the installation conditions.
CASE 1: Connecting Heat Emitters for Heating and Cooling
(Under floor loop, Fan Coil Unit, and Radiator)
Outdoor
Outdoor Unit
NOTE
• 2way valve
- It is important to install 2way valve to prevent dew condensation on the floor and radiator
while cooling mode.
- 2way valve should be installed at the supply side of the collector.
• By-pass valve
- To secure enough water flow rate, by-pass valve should be installed at the collector.
- By-pass valve should guarantee minimum water flow rate in any case. Minimum water
flow rate is described in water pump characteristics curve.
High Temperature
Low Temperature
Magnetic Filter (Recommended)
M / F
Indoor
Indoor Unit
M / F
Room Thermostat(Field supply)
2way valve (Field supply)
Fan coil unit Floor heating loop Radiator
Shut-off valve
By-pass valve(Field supply)