Ez zone upgrade overview – Auto-Zone Control Systems EZ-Zone to Auto-Zone Upgrade Guide (Version 01C) User Manual
Page 5
EZ Zone/Auto-Zone
Upgrade
5
The basic steps required to upgrade your EZ
Zone system to an Auto-Zone system are:
z
Determine what EZ Zone components
are currently installed on the system.
z
Replace the existing EZ-Zone Master
Controller board with an Auto-Zone
Zone Manager controller board
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Replace the existing EZ Zone
EPROM’s in each Zone Controller
with a new Auto-Zone EPROM.
z
Install return air and outside air
temperature sensors
EZ Zone to Auto-Zone upgrade allows you to
retain:
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All existing wiring
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Master Controller enclosure with
keypad and display
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Existing supply air and static pressure
sensors
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Existing bypass damper
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All Zone Dampers
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* All Zone Controllers
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Room sensors
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* Modem Link Central
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* All Master Interface Boards
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All Fan Terminal Controllers
EZ Zone Upgrade Overview
After upgrading your system from EZ Zone to
Auto-Zone, you will be able to take advantage
of many new enhancements including:
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Damper actuators can be programmed
for direct or reverse operation
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Full modulating economizer control
capability including optional wetbulb
economizer control
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Outside air temperature sensor provides
lockout function for both heating and
cooling. When converted to Auto-Zone
Plus system only one outside air sensor
is required for the entire system
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Contact closure input for dirty filter
status
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Global and individual zone override
modes
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Zones can be set for voting or
nonvoting status
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Room sensor slide can be programmed
± 0° F to ± 5° F adjustment
from setpoint
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Staging delays, minimum off times,
and changeover intervals are
programmable
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Sensor offset calibration to correct
sensor errors due to poor location
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ZoneView enhanced graphical computer
front end software available when
CommLink and a PC are used
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System Manager operator interface
allows all controllers to be accessed from
one central location
*
These controllers can be retained but they will re-
quire an EPROM chip upgrade to be compatible
with the Auto-Zone System.