External Pump - LG THERMA V HN0916T Installation Manual

ACCESSORIES INSTALLATION
88

External pump

External pump can be required when the room to take floor heating is too large or not well-
insulated.(potential free) Also, External pump is installed with buffer tank to retain sufficient
capacity.
How to wire external pump
Follow below procedures step 1 ~ step 3.
Step 1. Check if the power of the unit is turned off.
Step 2. Disassemble front panels and distinguish terminal block in Indoor PCB.
Step 3. Connect signal cable to terminal block (TB_EXT_PUMP) fully.
Indoor PCB
TB_EXT_PUMP
External pump
(Voltage free)