Typical Installation Example - LG THERMA V HN0916T Installation Manual

Typical Installation Example

CAUTION
!
If is installed with pre-existing boiler, the boiler and
operated together. If entering water temperature of
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 & DHW
(Under floor loop, Fan Coil Unit, Radiator, and Domestic hot water)
Outdoor
Outdoor Unit
NOTE
• Room thermostat
- Type of thermostat and specification should be complied with chapter 8 and chapter 9 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 8 and chapter 9
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.
• DHW Expansion vessel
- The cold DHW connection must be fitted with an expansion vessel suitable for drinking water.
The selection and installation must be in accordance with the standard DIN 4807 T5.
- An expansion vessel of 8 l volume that can be integrated into the unit is available as
accessory [OSHE-12KT]. the installation method of Expansion vessel can be found in chapter 8
of installation manual.
High Temperature
Low Temperature
DHW Expansion vessel
(Accessory)
Indoor
City water
M / F
Indoor Unit
Room Thermostat (Field supply)
2way valve (Field supply)
By-pass valve(Field supply)
GENERAL INFORMATION
is above 55 °C, the system
Domestic hot water
Fan coil unit Floor Radiator
heating loop
Shut-off valve
Shut-off valve with strainer
Magnetic Filter (Recommended)
M / F
23
should not be