Section 2
Auto-Zone
Plus
2-20
Design Guide
CV Controller
The
CV Controller
(Constant Volume Controller) may be installed in any convenient
protected location. Observe the recommended environmental limitations for the CV
Controller. It should not be mounted in locations subject to extreme low or high
temperatures (below 20° F or above 140° F) or in damp or wet environments (maximum
of 90% RH). If it is to be mounted outdoors it must be enclosed in weathertight
enclosure.
The CV Controller may be mounted without removing the controller from the mounting
plate. The unit is mounted by securing with four (4) screws through the mounting holes
in the mounting backplate. Select the correct screws or other fasteners for the type of
mounting material being utilized.
HVAC Unit
Connections
Fan
Heat/Cool 1
Heat/Cool 2
Heat/Cool 3
Heat/Cool 4
Diagnostic Blink
Code LED
RS-485
Communications
Loop Connection
Typical
Pin 1
Indicator
RAM
Chip
EPROM
Chip
PAL
Chip
RAM Size
Select
Jumper
RS-485
Communications
Driver Chip
Real Time
Clock Chip
Mounting
Backplate
Mounting Hole
Typ of 4
Comm
LED
Address Switch
(Set Between
1 & 30)
Analog Inputs
Space Sensor
Slide Adjust
Supply Air Temp
Outdoor Air Temp
Auxiliary Alarm
Analog Output
0-10 VDC
Economizer
Power LED
24 VAC
Power Input
Figure 2-15:
CV Controller With Backplate - Components
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Summary of Contents for Auto-Zone Plus
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