LG THERMA V Split User Manual

Installation check listConguration
System Design ApplicationsIntroduction
• Instaling dry contact
To control by air temperature - Heating-Only type (230V AC)
Cooling/Heating type (230V AC with Mode selection switch)
Thermostat generates "Heating ON or Heating OFF" signal according to user"s heating target tempera-
ture. Thermostat generates both "Heating ON or Heating OFF" and "Cooling ON or Cooling OFF"
signal according to user"s heating and cooling target temperature.
Power supply for Indoor
unit and communication
Connection for thermostat (230V AC)
Supporting type : Heating only or Heating/Cooling
opening or closingwater flow for FCU cooling
OUTDOOR UNIT
2WAY VALVE
(A)
THERMOSTAT
(Default : 230V AC)
1(L) 2(N) 3L1L2N LNL1 L2
11 12 13 14 15 16 17 18 19 20
Thermostat
(L)(N) (C)(H)
THERMOSTAT
(Default : 230 V AC)
17
L
BR
18
N
BL
19
L1
WH
20
L2
BK
Power supply for Indoor
unit and communication
Connection for thermostat (230V AC)
Supporting type : Heating only or Heating/Cooling
opening or closingwater flow for FCU cooling
OUTDOOR UNIT
2WAY VALVE
(A)
THERMOSTAT
(Default : 230V AC)
1(L) 2(N) 3L1L2N LNL1 L2
11 12 13 14 15 16 17 18 19 20
Thermostat
(L)(N) (C)(H)
THERMOSTAT
(Default : 230 V AC)
17
L
BR
18
N
BL
19
L1
WH
20
L2
BK
(L) : Live signal from PCB to thermostat
(N) : Neutral signal from PCB to thermostat
(C) : Cooling signal from thermostat to PCB
(H) : Heating signal from thermostat to PCB
• Installer setting: N/A.
• System diagram
IDU
Purpose: Conguration for supplying hot water in two different temperatures to the room for heating.
Install a separate Thermostatic valveto set up and control 2 temperatures. Generally Thermo-
static valve is to be installed where temperature is lower than main operation temperature.
• Necessary conguration and feature
Dip s/w N/A Keep default Check if 2 and 3 are off
Remote controller
Use the default one attached to indoor
unit
No installation required
Leaving water tempera
-
ture
Set up by remote controller
1zone : Single temperature
2zone : Adjustable(by valve)
control Control of indoor air temperature
Thermostatic valve
A valve needs to be purchased and
installed separately.
3
rd
party scope
Installer setting
Remote controller does not need to
be set up separately.
034 035
_ COMPREHENSIVE APPLICATION AND INSTALLATION MANUAL
LG Electronics
9. System 9

LG THERMA V Split Specifications

General

Refrigerant	R32
Energy Efficiency	A+++
Power Supply	220-240V, 50Hz
Sound Power Level	Varies by model
Noise Level (Outdoor)	45 dB - 55 dB
Indoor Unit Dimensions (WxHxD)	Varies by model
Outdoor Unit Dimensions (WxHxD)	Varies by model
Indoor Unit Weight	Varies by model
Outdoor Unit Weight	Varies by model
Air Flow (Indoor)	Varies by model