LG PAHCMR000 Installation Manual page 23

Electric Wiring Work (PAHCMS000)
Circuit diagram
CAUTION
!
DISCHARGE AIR TEMPERATURE CONTROL (PAHCMS000)
Please check the electrical specification of digital output (DO) of
DDC whether 12 V DC or Non-voltage for 'DI Control'.
According to the power supply type of DO, please make wirings
as below.
Internal Power Source
(Non-Voltage)
For detail wiring, please see "Digital Input - Internal power source",
and Digital Input - External Power Source (12 V DC)" in the PDB.
External Power Source
(12 V DC)
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