Connecting Modem Devices - Trane VariTrac VAV-SVN03A-EN Installation Manual

Getting Started
38
• Align the three tabs on the bottom of the display with the slots in the
bottom of the main module. (Figure 21).
• Starting with the center tab, insert the tabs into the slots.
Figure 21: Install operator display
IMPORTANT
Do not use excessive force when mounting the module. If the module does
not snap easily into place, slightly reposition it on the alignment pins.
Failure to comply may cause damage to the module.
Push the top of the display module toward the main module until it snaps
into place.
If 24 Vac is applied, the operator will turn on and display data.

Connecting Modem Devices

Remote communications may be accomplished through a Trane building
management system or with stand-alone modem attached to a single CCP
via the RS-232 port.
A US Robotics Sportster™ fax/data external modem is recommended for
CCP applications. Modems require hardware and software configurations
for use with the CCP
Physical connection of the modem to the VariTrac Central Control Panel is
shown in Figure 22.
VAV-SVN03A-EN