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Zoning Design Guide
System Installation
C O
C O
M M
M M
LI N
LI N
K II
K II
L
O
O
C
O
M
P
M
O
P
D
E
M
CommLink II
(Optional)
R e
m
o te
L in
k
Remote Link
(Optional)
Figure 1-14: Meridian
Zone Controllers Occupy
Addresses 1 through 16.
CV Controllers And Other
Add On Devices, Occupy
Addresses 18 trough 30
Computer
(Optional)
RS485
Network Loop
19200 Baud
C O
C O
M M
M M
LI N
LI N
K II
K II
L
O
C
O
O
P
M
M
O
P
D
E
M
CommLink II
R em
o te
L in
k
Remote Link
(Optional)
Network Loop
To Other Zone
Managers
Figure 1-15: Meridian
24
Computer
(Optional)
24VAC
+
YORK
Heating and Air Conditioning
RS485 Loop
+
RS485 Loop
Basic System Communication Loop Wiring
System Manager
24VAC
HVAC Unit #1
Zone Manager
RS485 Local
9600 Baud
Loop #1
The Loop Does Not
Have To Follow The Board
Address Sequence
24VAC
HVAC Unit #2
Zone Manager
RS485 Local
Loop #2
Plus System Communication Loop Wiring
HVAC Unit
Zone Manager
Zone
Controller #1
+
®
FAN
FLOW
COOL 1
RN1
1
COOL 2
D5
MERIDIAN COOL MODE
HEAT 1
01-26-00 03:48PM WED
OCCUPIED
CX9
HEAT 2
NO ALARMS
BYPASS OPEN
D5
R32
BYPASS CLOSE
T'STA
T
COMMUNICATION
R25
D7
ALARM
CX10
A = ALL ZONES
1
2
R26
3
A
B = EACH ZONE
250
D4
F1
4
5
6
B
C = HVAC UNIT/CLEAR
7
8
9
C
D = ALARMS
0
#
D
*
# = STEP/ENTER
24VAC
*
= DECIMAL
GND
+
24VAC
24VAC
g e
r
n a
M a
m
s te
S y
ar
m
Al
tio
n
ica
E D
m
un
m
rid
e
a n
W
Co
er
ri d
P M
Ov
M e
:3 8
D
0 3
P IE
ea
Ar
M S
/9 7
ind
C U
ow
A R
/0 1
r W
O C
A L
0 1
Cl
ea
N O
ES
C
ME
NU
3
2
6
1
5
R
4
9
TE
EN
8
R
-
CL
EA
7
US
MIN
0
Zone
Zone
C
DE
Controller #1
Controller #16
RAM
8K
32K
FLOW
CX4
FLOW
CX4
CX3
CX1
CX8
U4
U3
CX8
U4
RN1
RN1
1
1
D5
D5
16L8
CX9
U9
CX9
U9
R1
R2
RAM
EPROM
RAM
R3
80C55
80C55
R22
2
CX2
R22
2
D5
D5
P.U.
P.U.
R32
R32
R23
R23
T'STA
T'STA
T
R24
T
R24
R4
R25
R5
R25
D7
D7
ADDRE
R6
ADDRE
SS
ADD
R7
SS
ADD
CX10
CX10
1
1
2
2
4
4
8
8
16
16
LD3
32
LD3
32
TOKEN
TOKEN
NET
NET
R26
R26
250
250
D4
D4
F1
F1
SCAN REC
fTimes New
SCAN REC
Roman|b0|i0|
fTimes New
Roman|b0|i0|c0|p18;
c0|p18;OMRON
G5L-114P-PS
24VDC
CONTACT:
UL / CSA 5A250VAC
D3
D3
C7
fTimes New
C7
24VAC
fTimes New
Roman|b0|i0|
24VAC
Roman|b0|i0|c0|p18;
G5L-114P-PS
c0|p18;OMRON
24VDC
CONTACT:
UL / CSA 5A250VAC
GND
GND
V2
24VAC
24VAC
Zone
Zone
Controller #1
Controller #16
RAM
FLOW
8K
32K
FLOW
CX4
CX3
CX1
CX4
CX8
CX8
U4
U3
U4
RN1
RN1
1
1
D5
D5
16L8
CX9
U9
CX9
U9
R1
R2
RAM
EPROM
R3
RAM
80C55
80C55
R22
CX2
R22
2
2
D5
D5
P.U.
P.U.
R32
R32
R23
R23
T'STA
T'STA
T
R24
T
R24
R4
D7
R25
R5
D7
R25
ADDRE
R6
ADDRE
SS
ADD
SS
ADD
R7
CX10
CX10
1
1
2
2
4
4
8
8
16
16
LD3
32
LD3
32
TOKEN
TOKEN
NET
NET
R26
R26
250
250
D4
D4
F1
F1
SCAN REC
SCAN REC
fTimes New
Roman|b0|i0|
fTimes New
Roman|b0|i0|c0|p18;
c0|p18;OMRON
G5L-114P-PS
24VDC
CONTACT:
UL / CSA 5A250VAC
D3
D3
C7
fTimes New
C7
24VAC
24VAC
fTimes New
Roman|b0|i0|
c0|p18;OMRON
Roman|b0|i0|c0|p18;
G5L-114P-PS
24VDC
CONTACT:
UL / CSA 5A250VAC
GND
GND
V2
24VAC
24VAC
036-21478-001 Rev. A (0802)
Zone Controllers Occupy
Addresses 1 through 16.
Zone
Controller #16
RAM
RAM
8K
32K
FLOW
8K
32K
CX4
CX3
CX4
CX3
CX1
CX1
CX8
U4
U3
CX8
U4
U3
RN1
1
D5
16L8
16L8
U9
CX9
U9
R1
R1
R2
R2
RAM
EPROM
R3
RAM
EPROM
R3
80C55
80C55
R22
2
CX2
R22
2
CX2
D5
P.U.
P.U.
R32
R23
R23
T'STA
R24
T
R24
R4
R4
R5
R25
R5
D7
ADDRE
R6
ADDRE
R6
SS
ADD
R7
SS
ADD
R7
CX10
1
1
2
2
4
4
8
8
16
16
32
32
LD3
LD3
TOKEN
TOKEN
NET
R26
NET
250
D4
F1
SCAN REC
SCAN REC
fTimes New
fTimes New
Roman|b0|i0|
Roman|b0|i0|
fTimes New
fTimes New
Roman|b0|i0|c0|p18;
c0|p18;OMRON
Roman|b0|i0|c0|p18;
c0|p18;OMRON
G5L-114P-PS
G5L-114P-PS
24VDC
24VDC
CONTACT:
CONTACT:
UL / CSA 5A250VAC
UL / CSA 5A250VAC
D3
D3
C7
fTimes New
C7
fTimes New
24VAC
fTimes New
Roman|b0|i0|
Roman|b0|i0|
fTimes New
Roman|b0|i0|c0|p18;
c0|p18;OMRON
c0|p18;OMRON
Roman|b0|i0|c0|p18;
G5L-114P-PS
G5L-114P-PS
24VDC
24VDC
CONTACT:
CONTACT:
UL / CSA 5A250VAC
UL / CSA 5A250VAC
GND
V2
V2
24VAC
Constant Volume
Controller
(Addresses Start At 18)
RAM
8K
32K
32K
CX3
CX1
U3
8K
COMM
RELAY
OUTPUT
T
COM
1-3
SHLD
16L8
OUT
R1
R
1
R2
EPROM
OUT
R3
LD4
485
RAM
EPROM
2
CX2
COMM
OUT
3
REC.
OUT
OUT
4
OUT
5
R4
COM
R5
4-5
4-5
R6
COMM
R7
12V
TEST
ADDRESS
ADD
AIN
1
AIN
2
AIN
3
fTimes New
AIN
Roman|b0|i0|
fTimes New
Roman|b0|i0|c0|p18;
4
c0|p18;OMRON
G5L-114P-PS
24VDC
AIN
CONTACT:
UL / CSA 5A250VAC
5
fTimes New
GND
Roman|b0|i0|
fTimes New
Roman|b0|i0|c0|p18;
c0|p18;OMRON
G5L-114P-PS
24VDC
CONTACT:
GND
UL / CSA 5A250VAC
AOUT
V2
PWR
PRESSURE
GND
SENSOR
YS101564
24VAC
24VAC
To Any Other
CV Controllers
Or Add On Devices
Constant Volume
Controller
(Addresses Start At 18)
RAM
8K
32K
CX3
CX1
32K
U3
8K
COMM
RELAY
OUTPUT
T
COM
SHLD
1-3
16L8
OUT
R1
R
1
R2
OUT
EPROM
R3
485
RAM
EPROM
LD4
2
CX2
COMM
OUT
3
REC.
OUT
OUT
4
OUT
5
R4
COM
R5
4-5
4-5
R6
COMM
R7
12V
TEST
ADDRESS
ADD
AIN
1
AIN
2
AIN
3
fTimes New
AIN
Roman|b0|i0|
fTimes New
4
c0|p18;OMRON
Roman|b0|i0|c0|p18;
G5L-114P-PS
24VDC
AIN
CONTACT:
UL / CSA 5A250VAC
5
fTimes New
GND
Roman|b0|i0|
fTimes New
c0|p18;OMRON
Roman|b0|i0|c0|p18;
G5L-114P-PS
24VDC
GND
CONTACT:
UL / CSA 5A250VAC
AOUT
V2
PWR
PRESSURE
GND
SENSOR
YS101564
24VAC
24VAC
To Any Other
CV Controllers
Or Add On Devices
Meridian
Systems
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