Typical Installation Example; Case 1 - LG THERMA V Air-to-Water Heat Pump Installation Manual

Typical Installation Example

If is installed with pre-existing boiler, the boiler and THERMA V should not be
operated together. If entering water temperature of
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:
• 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.
High Temperature
Low Temperature
Indoor
Indoor Unit
Room Thermostat(Field supply)
2way valve
(Field supply)
is above 55°C, the system will
Fan coil unit Floor heating loop
Shut-off valve
By-pass valve(Field supply)
Installation Manual 13
General Information
Radiator