LG PRARH0 Installation Manual page 12

3. Assembly Diagram
Assembly Diagram - PRARS0
■ Wall mounted & Art cool
Step1. Mount relay kit on the wall.
CAUTION
※ Wiring
Auxiliary Heater
communication lines
(under AC24V)
To indoor unit PCB
(CN-PTC)
※ Caution
Auxiliary Heater Relay Kit should be installed within 3.3ft in products.
Otherwise heater may cause malfunction.
12 Auxiliary Heater Relay Kit
PipePipe
Step2. Connect wires and assemble cover.
3.3ft↓
Pipe