LG HU161.U33 Manuel d'utilisateur télécharger pdf (Page 13)

General Information

Installation Manual 13

ENGLISH

If is installed with pre-existing boiler, the boiler and should not be

operated together. If entering water temperature of is above 55°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.

CAUTION

CASE 1:

Connecting Heat Emitters for Heating and Cooling

(Under floor loop, Fan Coil Unit, and Radiator)

Outdoor Indoor

Outdoor Unit

Indoor Unit

Floor heating loopFan coil unit

Radiator

High Temperature Room Thermostat(Field supply)

2way valve

(Field supply)

By-pass valve(Field supply)

Low Temperature

Shut-off valve

Typical Installation Example

Note:

• Room thermostat

- Type of thermostat and specification should be complied with chapter 4 and chapter 7 of

installation manual.

• 2way valve

- It is important to install 2way valve to prevent dew condensation on the floor and radiator while

cooling mode.

- Type of 2way control valve and specification should be complied with chapter 4 and chapter 7 of

installation manual.

- 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.

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LG HU161.U33 Manuel d'utilisateur Page 13