LG Therma V R32 User manual

R32 Monobloc - April 2020
Installation Instructions.
Therma V R32: Generation 3.

Outdoor Installation.
2
Therma V R32 Installation Instructions.
Unpack the equipment carefully and check all components are complete.
Layout all components so each may be identified.
Please retain this installation instruction document for future reference.

Outdoor Installation –Bill of Materials.
3
Therma V R32 Installation Instructions.
The LG controller comes packed within the Heat Pump.

Indoor Installation –Bill of Materials.
4
Therma V R32 Installation Instructions.
Items included in the Tank Kit:
LG Tank Kit.
The Tank Kit allows for connection and control of the immersion heater, The Tank Kit may be pre fix
ed to the tank or may be wall mounted.
The LG controller has the ability to perform the sterilization process, via the Tank Kit(Relay), date,
time, temperature and hold parameters may be set.
The Tank sensor has a 10m cable, this must be connected to the printed circuit board within
the outdoor unit(Shown in the wiring diagram, shown below).
PHLTB
DHW sensor
PHRSTA0
Relay Box Link cable,
approx 400mm long.

Outdoor Installation.
5
Therma V R32 Installation Instructions.
•Prepare a strong and level base.
•Place on 3 anti vibration feet, & anchor to base.
•Ensure the unit is 300mm from the wall.
• The flow & return connections are 1” male.
•Fit flexi hoses, full bore isolation valves, on the back of the unit.
•Recommend:- Additional 400 micron “Y” strainer, external(with isolation vales on either side)
•Use a through wall insulation kit, this allows for thermal insulation within the wall.
•All pipework to be 28mm copper or 32mm multi layer composite pipe.
•Allow for condensate to feed into a soakaway, tray or soil stack.
•Recommend:- Magnetic Cleaner & Flow Setter.
•Water volume:- 25L for single fan unit, 50L for double fan unit(Buffer Tank - 4 Port)

Installation Schematic.
6
Therma V R32 Installation Instructions.
Heating Only –5, 7 & 9kW.
*:- It is possible to use the LG controller as a room thermostat in this application, control of the pump after the buffer tank, will be done by
the heat pump : (TB_EXT_PUMP)
*Please see note below

Installation Schematic.
7
Therma V R32 Installation Instructions.
Heating Only –12, 14 & 16kW.
*Please see note below
*:- It is possible to use the LG controller as a room thermostat in this application, control of the pump after the buffer tank, will be done by
the heat pump : (TB_EXT_PUMP)

Installation Wiring.
8
Therma V R32 Installation Instructions.
Heating Only –5, 7, 9, 12, 14 & 16kW.
(TB_EXT_PUMP)

Installation Schematic.
9
Therma V R32 Installation Instructions.
DHW & Heating with 1 Zone –5, 7 & 9kW.

Installation Schematic.
10
Therma V R32 Installation Instructions.
DHW Pre Plumb & Heating with 1 Zone –5, 7 & 9kW.

Installation Schematic.
11
Therma V R32 Installation Instructions.
DHW & Heating with 1 Zone –12, 14 & 16kW.

Installation Schematic.
12
Therma V R32 Installation Instructions.
DHW Pre Plumb & Heating with 1 Zone –12, 14 & 16kW.

Installation Schematic.
13
Therma V R32 Installation Instructions.
DHW & Heating with 2 Zone’s – 5, 7 & 9kW.

Installation Schematic.
14
Therma V R32 Installation Instructions.
DHW Pre Plumb & Heating with 2 Zone’s – 5, 7 & 9kW.

Installation Schematic.
15
Therma V R32 Installation Instructions.
DHW & Heating with 2 Zone’s – 12, 14 & 16kW.

Installation Schematic.
16
Therma V R32 Installation Instructions.
DHW & Heating, Rad’s & UFH 2 Zone –12, 14 & 16kW.

Installation Schematic.
17
Therma V R32 Installation Instructions.
DHW Pre Plumb & Heating with 2 Zone’s – 12, 14 & 16kW.

Installation Wiring.
18
Therma V R32 Installation Instructions.
DHW & Heating with 2 Zone’s – 12, 14 & 16kW.
DHW & Heating 5, 7, 9, 12, 14 & 16kW.

Installation Schematic.
19
Therma V R32 Installation Instructions.
DHW & Boiler with Two Heating Zone’s – 12, 14 & 16kW.

Installation Wiring.
20
Therma V R32 Installation Instructions.
DHW & Heating with 2 Zone’s – 12, 14 & 16kW.
Boiler, DHW & Heating 5, 7, 9, 12, 14 & 16kW.
Boiler
LR –Live Return
LS –Live Supply
(TB_EXT_BOILER)
Within installer settings,
Change to ON