LG THERMA V Air-to-Water Heat Pump User Manual

General Information
ENGLISH
Installation Manual 13
If is installed with pre-existing boiler, the boiler and THERMA V 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.
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.

LG THERMA V Air-to-Water Heat Pump Specifications

General

Type	Air-to-Water Heat Pump
Refrigerant	R32
Energy Efficiency Class	A+++
Noise Level	45 dB(A)
Max. Water Temperature	65°C
COP (Heating)	4.5
Power Supply	220-240V / 50Hz