York Meridian User Manual

EZ Zone/Meridian
6 Upgrade
036-21423-001 Rev. A (0602)
Component Descriptions
The general architecture of the EZ Zone and the Merid-
ian Systems are very similar making the upgrade pro-
cess relatively easy.
There are some changes in the component descriptions
between the EZ Zone system and the Meridian system.
It is important to understand these differences before
you begin the upgrade process.
Many of these components look similar, however, in
some cases they do not function in an identical fashion.
Having the wrong component installed can cause im-
proper system operation.
The chart below depicts the difference in descriptions
for the various comparable system components in the
EZ Zone and Meridian Systems.
Master Controller Zone Manager
Fan Terminal
Controller
Master Interface Board
MiniLink
Communications
Interface
Modem Linc Central CommLink II
Zone Controller Zone Controller
EZ Zone Components
Meridian Components
Relay Expansion
Board
Must Be Replaced Improved Hardware & Software
Replacement Not Required
EPROM Replacement Require
d
EPROM Replacement Require
d
EPROM Replacement Require
d
Same As Existing Fan Terminal Controlle
r
Improved Software
Improved Software
Improved Software

York Meridian Specifications

General

Brand	York
Model	Meridian
Category	Control Systems
Language	English