Auto-Zone Control Systems Auto-Zone Plus Systems Installation & Operation (Version 03A) - Manual (Page 52)

Section 2
Auto-Zone Plus
2-20 Design Guide
Zone Controllers
The Zone Controllers are mounted in snap-track which is typically located in the control
enclosure on each zone damper. Orient the board in the snap-track so that the actuator,
flow sensor (optional), and auxiliary relay board (optional) cables will reach their
respective connectors on the Zone Controller, if they are used. Press the board into the
snap-track carefully to avoid damaging any of the electronic components on the circuit
board. To remove a board from the snap-track, carefully pull one edge of the snap-track
away from the board with your fingers and remove the board.
Caution:
Do not use any tools to pry the board loose. This will damage the
board and/or the snap-track.
Warning:
When mounting the snap-track, be sure the heads of the screws do not
protrude far enough to touch the bottom of the Zone Controller circuit
board.
Consider serviceability of the location when mounting the Zone Controllers. They should
be easily accessible to facilitate servicing.
Tip: Use small stickers on the ceiling grid or tiles to help future service personnel
locate system components. If you use small stickers from an office supply store,
you can get different colors to code the location of various components.