How To Install Sanitary Water Tank Kit - LG Therma V Series Installation Manual

How to Install Sanitary Water Tank Kit

Fellow bellow procedures Spet 1 ~ Step 5
Step 1. Find magnetic switch and ELB(MCCB) in the kit. Fit
them into the indoor unit control box with enclosed a
braket and screws.(symbol Ⓐ at picture)
Step 2. Contact 'CN_B/HEAT(A)'(white connector)of the indoor
unit PCB with magnetic switch contact using encolsed
cable(symbol Ⓑ at the picture). Connect magnetic
switch contactor port no. A1 and A2.
Step 3. Connect magnetic switch contactor port no.L1 and L3
with RLB(MCCB) port no. 2 and 4(symbol Ⓒ at the pic-
ture).
CAUTION
Check Poarity
• Connect magnetic switch contact port no. L1 to ELB(MCCB)
port no.2
• Connect magnetic switch contact port no. L3 to ELB(MCCB)
port no.4
Step 4. Connect magnetic switch contactor port no. T1 and T3
with terminal block 1 port 6 and 7(symbol Ⓓ at the pic-
ture).
Check Polarity
• Connect magnetic switch contact port no. T1 to terminal
block 1 port 6
• Connect magnetic switch contact port no. T3 to terminal
block 1 port 7
Step 5. 1Ø Electric Heater
' Connect ELB(MCCB) port no.1 and 3 with block 3
port 3 and 4(symbol Ⓔ at the picture).
' Connect ELB(MCCB) port no.1 and 3 with block 3
port 1 and 2(symbol Ⓔ at the picture).
Check Polarity
- Connect ELB port no. 1 to terminal block 3 port 3
- Connect ELB port no. 3 to terminal block 3 port 4
- Connect MCCB port no. 1 to terminal block 3 port 1
- Connect MCCB port no. 3 to terminal block 3 port 2
Relay contactor
Note:
port no. assignment
Some models are using MCCB instead of ELB
1 3
2 4
ELB(MCCB) port no.
assignment
Accessories Installation
Terminal
Block 1
Terminal
Block 3
3ø Electric Heater
Terminal
Block 1
Terminal
Block 3
1ø Electric Heater
Installation Manual 63