Auto-zone-control-systems EZ-Zone to Auto-Zone Upgrade Guide (Version 01C) Manual de usuario descargar pdf (Pagina 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

z 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:

z All existing wiring

z Master Controller enclosure with

keypad and display

z Existing supply air and static pressure

sensors

z Existing bypass damper

z All Zone Dampers

z * All Zone Controllers

z Room sensors

z * Modem Link Central

z * All Master Interface Boards

z 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:

z

Damper actuators can be programmed

for direct or reverse operation

z Full modulating economizer control

capability including optional wetbulb

economizer control

z 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

z Contact closure input for dirty filter

status

z Global and individual zone override

modes

z Zones can be set for voting or

nonvoting status

z Room sensor slide can be programmed

± 0° F to ± 5° F adjustment

from setpoint

z Staging delays, minimum off times,

and changeover intervals are

programmable

z Sensor offset calibration to correct

sensor errors due to poor location

z ZoneView enhanced graphical computer

front end software available when

CommLink and a PC are used

z 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.

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