LG THERMA V Series Installation Manual page 36

Installation of Indoor Unit
Display - process module
6
5
1 Process module PLC
TE2 - connection with the input/output
2
module (factory made).
TEX - communication with the ODI -
3
Gateway module PI485.
Schematic display of the control system - TT3000
Connect the internal control unit TT3000 to external device with a plated cable; such that the
plating of the cable is grounded on the envisioned spot (
36 Air-to-Water Heat Pump
3
4
WM - connection with the WEB module
4
(factory made).
RQ2 - connection for resetting the alarm
5
(factory made).
RQ1 - connection of the signal for
6
reporting an alarm (optional).
–functional earthing).
1
2