Installation; Contents Of The Bacnet Communication Module Kit; Installing A New Bacnet Communication Module - McQuay MicroTech III Installation And Maintenance Manual

Installation

The following section describes how to field install a new BACnet Communication Module or
replace an existing BACnet Communication Module on the MicroTech III Chiller Unit Controller so
that it can be incorporated into the BACnet network.

Contents of the BACnet Communication Module Kit

The following is the list of items included in the field-installed kit:




Installing a new BACnet Communication Module

Follow these steps to install a BACnet Communication Module on the unit controller. The BACnet
Communication Module can be connected directly to the unit controller itself or to an existing
module, if one is attached.
Electric shock hazard. Can cause personal injury or equipment damage.
This equipment must be properly grounded. Only personnel knowledgeable in the operation of the
equipment being controlled must perform connections and service to the MicroTech III Chiller Unit
Controller.
1. Remove power from the unit controller.
2. Remove the knockout on the far left end of the unit controller itself (or additional module, if
Note: To prevent damage to the unit controller, insert a small screwdriver or other tool to the tab on
3. Remove the knockout on the right side of the BACnet Communication Module.
4. Insert the board-to-board connector into the BACnet Communication Module (see Figures 3 and
5. Insert the other end of the board-to-board connector to the far-left side of the unit controller or
6. Insert the network cable connector into the BACnet Communication Module (see Figure 2 for
7. Power up the unit controller.
IM 966-1
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.
The BACnet Communication Module
Board-to-board connector
Installation Manual (IM 966)
present). See Figure 3.
the bottom of the unit controller and pull the screwdriver away from the controller.
4). Note that it only fits one way and that the baffles must line up with corresponding slots in
BACnet Communication Module and the unit controller (see Figures 4 and 5).
other device (i.e. module), if attached (see Figure 1).
location of network connection port).
CAUTION
!
WARNING
!
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