Nection - LG PRHR Series Installation Manual

Installation
Thermal Insulation
Insulate the connected pipes completely(all thermal insulation must comply with local requirement)
Refrigerant pipe
(Local supply)
Thermal insulator for refrigerant pipe
(Local supply)
CAUTION:
Insulate completely unconnected pipes as shown in the Figure.
Wiring Connection
Connect the wires to the terminals on the control board individually according to the outdoor unit connection.
• Ensure that the color of the wires of outdoor unit and the terminal No. are the same as those of HR Unit respectively.
Terminal Block HR Unit
1(L) 2(N)
HR UNIT POWER INPUT
WARNING : Make sure that the screws of the terminal are free from looseness.
8 HR Unit
Make sure that there is no
clearance here
Thermal insulator for
refrigerant pipe(Local supply)
Not connected pipe
Indoor
unit
3 4 A
Overlap with thermal
insulator for piping
Always seal up the
tip of unused pipe by brazing
Outdoor Central
unit
controller
B E F C D Vcc GND
Make sure that there is no
clearance here
Thermal insulator for
refrigerant pipe(Local supply)
Main
outdoor unit