LG Therma V R32 User manual

World Heat Cylinders - October 2019
Gen 3 R32 Mono
General Installation Instructions.

Outdoor Installation.
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Therma V R32 Installation.
•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
•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)

Outdoor Installation –Bill of Materials.
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Therma V R32 Installation.

Outdoor Installation with Domestic Hot Water Tank.
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Therma V R32 Installation.

Outdoor Installation with Domestic Hot Water Tank.
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Therma V R32 Installation.

Outdoor Installation –Frost Protection
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Therma V R32 Installation.

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Therma V R32 Installation.
Outdoor Installation –Power Cable.
•RCD –Type C.
•Rotary Enclosed Isolation switch –IP65.
•Mandatory electricity meter fitted within an enclosed box.
•Ensure power cable does not touch refrigerant pipework.

Outdoor Installation –Terminal Blocks.
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Therma V R32 Installation.
Honeywell 2 wire, 3-Way Valve.
•Terminal 8 –L –Port A - DHW Cylinder.
•Terminal 10 –Neutral.

Outdoor Installation –Terminal Block.
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Therma V R32 Installation.

Outdoor Installation –Terminal Block.
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Therma V R32 Installation.
240V AC Realy Please see wiring diagram, Slides 15 & 16

Central Controller.
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Therma V R32 Installation.

DHW Installation
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Therma V R32 Installation.
•Remove lid/top of unit.
•Feed the DHW water tank sensor into the back of the unit, shown in the diagram.
•Connect the red connector to the main PCB( Top right hand side of unit)
Terminal CN_TH4, the 7th terminal down, from the top right.
•Insert copper sensor into dry pocket tube of cylinder.
•The sensor can be cut and extended, cable no bigger than 0.75mm2.

DHW Installation –Tank Heater
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Therma V R32 Installation.
Wire CN_B/HEAT(A) to Terminal Pins 6&7
Wire from Terminal Pins 6&7 to Pins 5&6
on the DHW Tank Kit.

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Therma V R32 Installation.

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Therma V R32 Installation.

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Therma V R32 Installation.

Configuration - Dip Switches
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Therma V R32 Installation.

Configuration - Dip Switches –SW2
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Therma V R32 Installation.
Description Setting Default
Role when central Controller
is equipped.
1 - Down –As Master Down
Accessory
installation info 2 –Down Down
Accessory
installation info 3 –Up DHW Tank Down
Cycle
4
–Up
Heating & Coo
ling + Weather Comp
Down
Flow Switch
5 –Always Down
Electric Heater
6 Down
Electric Heater
7 Down
Thermostat Installed*
8 –Up Down
*When dip switch 8 is turned on, ALL heating functions are locked from the central controller.

Configuration –Installer Settings.
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Therma V R32 Installation.
Press the Right arrow to select:- Menu.
Press Ok, Settings is shown.
Press the up button for 3 seconds.
Insert the Password –Shown in the bottom right corner (Software Version)
- Example:- 3 0 3 1 or 3 0 5 1
Software Version

Configuration –Installer Setting
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Therma V R32 Installation.