LG PAHCMS000 Installation Manual

31
Installation
Due to our policy of continuous product innovation, some specications may change without notication.
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AHU COMMUNICATIONS KIT INSTALLATION
Communication Module
RS485 Communication Port
NTC Thermistor
RemoteController
Electronic Expansion Valve
Note :
Whena communicationmodule(orPAHCMR000)is connectedtothe main moduleof PAHCMS000,DOandUI incommunication
module are not used.
Name Port Item
Electrical Spec. Function
EEV 12 VDC/1/2/3/4 EEV Control
Max32.8 ft EEV Control
Name Port Item Electrical Spec. Function
REMO
+12V/SIG/GND
Wire Remote
Controller
Max 164 ft Communication with Wired Remote Controller
Name Port Item Electrical Spec. Function
Thermistor
Discharge
NTC RI2/G Discharge air Thermistor NTC10 kΩ, 16.4 ft Discharge Air temperature sensor
ThermistorPipein NTC RI3/G Pipe in (Liquid) Thermistor NTC 5 kΩ, 16.4 ft Inlet pipe (Liquid) Temp. sensor
Thermistor Pipe
out
NTC RI4/G Pipe out(Gas)Thermistor NTC 5 kΩ, 16.4 ft Outlet pipe (Gas) Temp. sensor
Name Port Item Electrical Spec. Function
MULTI V IDU
Comm.
RS485 CH2
MULTI V Comm.
(IDU A/B)
Max 3280 ft,
2C x 18~16 AWG
(shield wire)
Communication with MULTI V
Outdoor unit
Single IDU
Comm.
SINGLE N/SIG
Single split Comm.
(IDU A/B)
Max 246 ft,
2C x 18~16 AWG
(shield wire)
Communication with Single Split
Outdoor unit

LG PAHCMS000 Specifications

General

Brand	LG
Model	PAHCMS000
Category	Air Conditioner
Language	English