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Installation

Due to our policy of continuous product innovation, some specications may change without notication.

AHU COMMUNICATIONS KIT INSTALLATION

Communications Wiring

• Communications wiring must be 18 gauge, shielded, and stranded�

• The thermistor cable, remote controller wires, and communications wires should be positioned at least two (2) inches away from pow-

er supply wires� If these wires are installed too closed together, it may result in product malfunction due to electrical interference�

All electrical work must be performed by a licensed electrician and conform to local building codes or, in the absence

of local codes, with the National Electrical Code, and the instructions in this manual.

If the electrical work is not performed properly, it may result in re, electric shock, physical injury or death.

All eld-supplied parts, materials, and electric work must be conform to local codes.

Improper components and installation may result in re, electric shock, physical injury or death.

Ensure the power source is disconnected before performing this procedure.

If the power source is connected during this procedure, it could result in electric shock, physical injury, or death�

1. Carefully pull the communications cable through the cable nut and grommet.

2. Refer to the wiring diagram in Figure 6 and connect the communications cable to the power terminal block.

3. Pull enough cable through the nut and grommet to allow enough slack for strain relief.

4. Tighten the cable nut.

Figure 9: Communications Wiring Connection

Comm Cable to:

• Single IDU, or

• DDC (RS485 Ch1), or

• Multi V IDU (RS485 Ch2)

Cable

Insert

Front View with Cover Open

LG PAHCMS000 Installation Manual

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