Meridian Plus Address Switches; Figure 4: New Meridian Plus Address Switch Setting - York EZ Zone Upgrade Manual

036-21423-001 Rev. A (0602)

Meridian Plus Address Switches

The Meridian Plus Zone Manager has two different
address switches. One is located on the main Zone
Manager board and one is located on the MiniLink board
that is located on the top of the Zone Manager board.
The Zone Manager board address should always be set
to address 17 on the Meridian Plus system. The
MiniLink Board
(Mounted On Top Of Zone Manager Board)
Caution!
The MiniLinks Must Have Address Switches Set Between 1
And 30 (Up To 30 MiniLinks (Mounted on Zone Managers)
Are Allowed Per Auto-Zone Plus System). The MiniLinks
Should Be Addressed In Consecutive Order Starting With
Address #1. Address #1 Must Be Present On The Loop For
The System To Function.
MiniLink
Address Switch
Address Switch Shown Is
Set For Address 1
The Address For Each MiniLink
Must Be Unique To The Other MiniLinks
On The Network Loop. Loop #1 MiniLink
Should Be Addressed As #1
Loop #2 MiniLink Should Be Addressed
MiniLink Address Switch Setting
Caution:
The Power To The Zone Manager Must Be
Removed And Reconnected After Changing The
MiniLink Or Zone Manager Address Switch Settings
In Order For Any Changes To Take Effect.
Caution:
Disconnect All Communication Loop Wiring From
The Zone Manger Before Removing Power.
Reconnect Power And Then Reconnect
Communication Loop Wiring To Zone Manager.

Figure 4: New Meridian Plus Address Switch Setting

Upgrade
ADD
1
2
4
8
16
These Switches Must Be
32
In The OFF Position
As Shown
Address Switch Shown Is
Set For Address 4
As #2 Etc..
MiniLink board should be addressed with a unique num-
ber for each Zone Manager on the system. It is recom-
mended that you start with address 1 and address each
Zone Manager consecutively. See Figure 4 below for
detailed information.
OPEN
FDBK
GND
CLOSE
OPEN
CLOSE
V3
ADD
V4
1
2
T
4
8
SH
16
32
R
NETWORK
OFF >
R
LOOP
FAN
COOL1
COOL2
HEAT1
HEAT2
LOCAL
T
LOOP
SH
R
These Switches Must Be
In The OFF Position
As Shown
Zone Manager
Address Switch
Address Switch Must Always Be Set
To Address 17 on Zone Manager Board
As Shown
All Zone Managers On System Must Be
Addressed As 17
Network Switch
Must Be ON
Zone Manager Address Switch Setting
EZ Zone/Meridian
ANALOG
OUTPUTS
A1
A2
G
TB2
COMM
T
SH
R
TB3
Zone Manager Board
(Under MiniLink Board)
As Shown
19