Installation Scenes - LG THERMA V AHBW036H0 Installation Manual

Installation

Installation Scenes

CAUTION
If is installed with pre-existing boiler, the boiler and
entering water temperature of
prevent mechanical damage of the unit. 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
(Under floor loop, Fan coil unit, and Radiator)
Note:
• Room thermostat
- Type of thermostat and specification should be complied with chapter 5 of the installation
manual.
• 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.
Room thermostat(field supply)
Remote controller
R
Strainer (Field supply Mesh: 1mm X 1mm)
14 Air-to-Water Heat Pump
Outdoor Indoor
R
T
is above 55 °C, the system will stop operation to
A
Fan coil unit
By-pass valve(field supply)
Shut-off valve(field supply)
Pressure gage(field supply)
should not be operated together. If
Floor heating loop Radiator
Air vent
A
Relife valve(field supply)