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036-21423-001 Rev. A (0602)
Networked EZ Zone To Meridian Plus
Existing System
24VAC
Modem
(Optional)
C O
C O
M M
M M
LIN
LIN
K II
K II
L
O
C
O
O
M
P
M
O
P
D
E
M
W
24VAC
ATT
MA
STE
C
R
ON
TRO
L
S,
I
NC
Modem Link Central
To HVAC Unit
Control Panel
Master
Controller
+
+
Static
Pressure
Sensor
Upgraded System
24VAC
Modem
(Optional)
C O
C O
M M
M M
LI N
LI N
K II
K II
L
O
C
O
O
M
P
M
O
P
D
E
M
W
24VAC
ATT
MA
STE
R
C
ON
TRO
L
S,
I
NC
Upgraded
Modem Link Central
To HVAC Unit
Control Panel
Zone
Manager
+
Outside
Air Temp
Sensor
Only One OA
Sensor Is
Required
For Entire
System
+
Static
Pressure
Sensor
Upgrade
Telephone Line
Computer
(Optional)
Network Loop
Master
Controller
Supply
Air Temp
Sensor
+
N
FA
1
O L
C O
2
O L
C O
A T
1
H E
2
A T
E N
H E
O P
S S
P A
E
D E
B Y
O S
M O
F R
I
C L
S S
O L
M
P A
N
C O
8 P
A T
IO
: 4
B Y
a n
E D
U N
IC
0 3
M
d i
P I
M S
M
r i
9 6
C U
A R
C O
M e
8 -
O C
- 0
A L
A R
M
0 4
N O
A L
N E
S
Z O
A L
L
N E
=
Z O
A R
A
C H
L E
E A
/C
=
U N
IT
B
A C
A
H V
=
3
C
M
S
A R
B
A L
E R
2
=
N T
6
D
1
E P
/E
C
S T
5
#
=
A L
9
C IM
4
D
D E
8
*
=
#
7
Zone Air Dampers
0
Bypass Air
*
Up to 16 Zone Air Dampers Allowed
+
Damper
#1
Local Loop
Telephone Line
Computer
(Optional)
Network Loop
Supply
Air Temp
Sensor
+
N
F A
1
O L
C O
O L
2
C O
1
Return
A T
H E
2
A T
H E
E N
O P
S S
Air Temp
P A
E
D E
B Y
O S
M O
I
C L
F R
O L
S S
N
M
P A
IO
C O
8 P
B Y
A T
: 4
IC
a n
E D
U N
0 3
M
Sensor
d i
P I
M S
M
r i
9 6
C U
A R
C O
8 -
O C
M e
A L
- 0
A R
M
0 4
N O
A L
S
N E
Z O
A L
L
N E
=
Z O
A R
A
C H
L E
E A
/C
=
IT
B
U N
A C
A
H V
=
S
3
C
M
A R
B
A L
E R
2
=
N T
D
6
/E
1
C
E P
5
S T
=
A L
9
#
4
C IM
D
D E
8
*
=
#
7
Zone Air Dampers
0
Bypass Air
*
Up to 16 Zone Air Dampers Allowed
+
Damper
#1
Local Loop
To Other Master Controllers
(Up to 30 Allowed On System)
To HVAC Unit
Control Panel
Network Loop
Supply
Air Temp
Sensor
+
N
FA
1
O L
C O
O L
2
C O
1
A T
H E
A T
2
E N
H E
O P
S S
D E
P A
E
I
B Y
O S
M O
F R
C L
S S
O L
M
P A
IO
N
C O
8 P
B Y
A T
: 4
IC
+
a n
E D
U N
0 3
P I
M
d i
M S
M
r i
9 6
C U
A R
C O
M e
8 -
O C
A L
- 0
M
N O
A R
0 4
A L
N E
S
Z O
A L
L
N E
A
=
Z O
A R
C H
L E
E A
IT
/C
=
U N
B
A C
A
H V
=
S
3
C
M
A R
B
A L
E R
2
=
N T
6
D
1
E P
/E
C
S T
5
=
9
#
A L
4
C IM
D
D E
8
*
=
#
7
0
Bypass Air
*
+
Damper
+
Static
Pressure
Sensor
#16
To OtherZone Managers
(Up to 30 Allowed On System)
To HVAC Unit
Control Panel
Network Loop
+
N
F A
1
O L
C O
2
O L
C O
1
A T
H E
2
A T
E N
H E
O P
S S
D E
P A
O S
E
I
B Y
C L
M O
F R
S S
O L
M
P A
N
C O
8 P
B Y
A T
IO
: 4
+
a n
E D
U N
IC
0 3
d i
P I
M S
M
M
r i
9 6
C U
C O
A R
M e
8 -
O C
A L
- 0
M
0 4
N O
A R
A L
N E
S
Z O
L
A L
N E
=
Z O
A
A R
C H
L E
E A
/C
IT
=
U N
B
A C
A
H V
=
3
C
M
S
A R
B
A L
2
E R
=
N T
6
D
/E
1
E P
C
S T
5
=
9
#
A L
C IM
4
D
8
D E
*
=
#
7
0
Bypass Air
*
Zone
+
Manager
+
Static
Pressure
Sensor
System
Manager
(Optional If Computer Front End Used)
#16
M er
/1 7/
05
Cle
2
1
5
4
8
7
0
DEC
EZ Zone/Meridian
Zone Air Dampers
Up to 16 Zone Air Dampers Allowed
#1
#16
Supply
Air Temp
Sensor
Return
Air Temp
Sensor
Zone Air Dampers
Up to 16 Zone Air Dampers Allowed
Damper
#1
#16
Other Controllers
(Optional - Up to 13 On Each Loop))
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