LG PRARH1 Manuel D'installation page 7

n Low Static Duct
Step1. Open control box cover.
Step3. Open the cover of PRARH1 and connect wires.
Aux heater communication lines
Note: While connecting the PRARH1, attach insulation at the rear of the control box cover
where it receives screws as shown in Fig. A.
Please clean up the remaining wires after installation.
※ Wiring
Auxiliary Heater communication lines
(under AC24V,over AWG24)
These wires should not make
contact with high voltage lines.
To indoor unit PCB
(CN-PTC)
CAUTION
Check the distance between PRARH1 and the top of model
when connecting anchor bolts.
Step2. Assemble PRARH1 with control box cover.
Step4. Assemble control box cover.
Assembly Diagram
Insulation
Fig. A
screw
Control box cover
(Unit : inch)
Installation Manual 7