IM 1133-C
DIII-NET COMMUNICATION GATEWAY 8 www.DaikinApplied.com
Installation
The DIII-NET Communication Gateway will be factory installed. If it is necessary to replace this board, see section Replacing
DIII-NET Communication Gateway. If a new board is being installed on an existing unit, see section Installing a New
DIII_NET Communication Gateway.
Wiring
Electrostatic discharge hazard.
Can cause equipment damage.
This equipment contains sensitive electronic components that may be damaged by
electrostatic discharge from your hands. Before you handle a communications module, you
need to touch a grounded object, such as the metal enclosure, in order to discharge the
electrostatic potential in your body.
Installing a New DIII-NET Communication Gateway
Hazardous voltage. Can cause severe injury or death. Disconnect electric power before
servicing equipment. More than one disconnect may be required to de-energize the unit.
1. Remove power from the MicroTech III Applied Air Handling Unit Controller.
2. Remove power from the Daikin Air Handling Unit.
3. Install mounting bracket on the side wall of the control cabinet with 4 rivets/screws, see Figure 3.
4. Mount DIII-NET Communication Gateway to the mounting bracket with 4 standard circuit board standoffs. Verify the
board is securely attached to the mounting bracket. See Figures 3 and 4.
Figure 3, Mounting bracket installation
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