LG ARNU18GTQB4 Installation Manual page 19

Installation
4 Way
• TQ/TR Chassis
Terminal Block Indoor
1(L) 2(N)
INDOOR
POWER INPUT
• TM/TN/TP Chassis
Terminal Block Terminal Block
Indoor Indoor
L(L1) N(L2) L(L3) N(L4)
INDOOR TO AIR
POWER INPUT FRESH KIT
• TM-A(*A4) Chassis
Terminal Block Terminal Block
Indoor Indoor
L(L1) N(L2)
INDOOR
POWER INPUT
• TM-A/TP-B(*B4) Chassis
Terminal Block Terminal Block
Indoor Indoor
L(L1) N(L2) 3(A)
INDOOR
COMMUNICATION LINE(IDU-ODU)
POWER INPUT
Round
• TY Chassis
Terminal Block
Indoor
L(L1) N(L2)
INDOOR
COMMUNICATION LINE(IDU-ODU)
POWER UNIT
2 Way
• TS Chassis
Terminal Block
Indoor
1(L) 2(N)
INDOOR POWER INPUT
18 Indoor Unit
SODU
3 4
B
Terminal Block
Indoor
A B
COMMUNICATION LINE(IDU-ODU)
Terminal Block
Indoor
3(A) 4(B)
COMMUNICATION LINE(IDU-ODU)
Terminal Block of outdoor unit
SODU
B A
4(B)
Terminal Block of outdoor unit
Terminal Block
Indoor
SODU IDU
4 B A B
3
Terminal
Block
SODU
Indoor
3 4 B
Terminal Block of outdoor unit
IDU INTERNET
A B A B A
Terminal Block of outdoor unit
SODU IDU INTERNET
B A B A B
Terminal Block of outdoor unit
-
SODU IDU
B A B A -
- -
IDU DRY1 DRY2
B A - - - -
DRY1
- - -
A
Terminal Block of outdoor unit
IDU INTERNET DRY1 DRY2 GND 12 V
A B A B A
DRY1 DRY2 GND 12 V
- - - -
Outdoor
DRY1 DRY2 GND 12 V
Unit
A - - - -
- Outdoor
DRY1 DRY2 GND 12 V
Unit
- - - - -
Outdoor
GND 12 V
Unit
- -
Outdoor
DRY2 GND 12 V
unit
- - -
Outdoor
unit
- - - -
Outdoor
Unit