YCCS TEC2603-4 BACnet® MS/TP Networked Multi-Stage Thermostat Controllers Installation Instructions
5
676292-YIM-A-0111
S1
S2
J8
J7
J6
System
Bus
Zone
Bus
COM
-
+
COM
-
+
COM 24V
On
Off
24
V
A
C
CO
M
CO
M
SB
-
SB
+
ZB
+
ZB
-
CO
M
EO
L
ON
Off
EO
L
ON
S1
S2
J8
J7
J6
System
Bus
Zone
Bus
COM
-
+
COM
-
+
COM 24V
On
Off
24
V
A
C
CO
M
CO
M
SB
-
SB
+
ZB
+
ZB
-
CO
M
EO
L
ON
Off
EO
L
ON
Communication
Connector
Input
Terminals
Address
Switch
AI
1
C
O
M
J5
AI
2
C
O
M
J6
AI
3
C
O
M
J7
AI
4
C
O
M
J8
AI
5
C
O
M
J9
O
N
1
64
32
1 6
8
4
2
128
COM
-
+
J3
Communication
Connector
Input
Terminals
Address
Switch
AI
1
C
O
M
J5
AI
2
C
O
M
J6
AI
3
C
O
M
J7
AI
4
C
O
M
J8
AI
5
C
O
M
J9
O
N
1
64
32
1 6
8
4
2
128
COM
-
+
J3
Drain
Wire
Valid Address
Range = 18-41
Address = 4 to 7
COM
-
+
J2
COM
AI1
AI2
COM
AI3
AI4
1
64
32
16
8
4
2
12
8
O
N
24
V
CO
M
24
V
CO
M
COM
-
+
J2
COM
AI1
AI2
COM
AI3
AI4
1
64
32
16
8
4
2
12
8
O
N
24
V
CO
M
24
V
CO
M
Drain
Wire
Drain
Wire
Tape back
Drain Wire
Drain
Wire
Address = 4
Address = 6
Address = 7
VAV
Rooftop Unit
VAV
Box
VAV
Box
Single Zone
Unit
IOM Module
Zone Coordinator
Termination Board
Tape back
Drain Wire
System Manager
Termination Board
Zone Bus
Communication
Trunk
System Bus
Communication
Trunk
TEC2601-4, TEC2602-4, TEC2603-4
Address = 42 to 65
Drain
Wire
Address = 18 to 41
Universal RTU Controller
LC-PEC1001-0
VAV Valid
Address Range =
6-37
Note: Ground the drain wire at
the end of the communication
trunk. Do not allow the drain
wire to contact exposed metal.
Note: Communication trunk must be
22 AWG (0.65 mm) 3-conductor
twisted, shielded cable with drain wire.
Note: Ground the drain wire at
the end of the communication
trunk. Do not allow the drain
wire to contact exposed metal.
O
N
+
COM
-
24
V
CO
M
RTU
FI
G
:C
C
S_
sy
s_rs
r
Figure 6: System Communication Riser
