Trane VariTrac VAV-SVN03A-EN, Руководство по установке

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VAV-SVN03A-EN 17
Wire AC Power
CCP Field Wiring
Field wiring to the VariTrac Central Control Panel includes:
• AC power wiring
• binary input wiring
• communication link wiring
• binary output wiring (requires optional relay board)
These procedures are detailed in the following sections. Refer to Figure 6 for
wiring connections.
Figure 6: Field Wiring
24V
AC
V
A
CO
MM4
CO
M
M
NO
T
US
ED
P
RI
O
RI
TY
S
H
U
TD
O
W
N
OCC
/UNOC
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
24 Vac
Line voltage
Comm5
link Comm5
link
Comm5 UCM Tracker
Splice
2
1
4
3
3
A A
B B
A A
B B
Twisted pair, shielded wire
per Trane specifications
Shield termination
Earth ground
Contact points
Transformer
Termination resistor
Shield ground
=
=
=
=
=
=
=
Termination Board TB2
Figure note
=
Comm4
link Comm4
link
Comm4 UCM Comm4 UCM
Splice
-
+
-
+
+ +
- -
Legend Figure Notes
1 All customer wiring must be in acordance with
national, state, and local electrical codes.
2 Trane recommends a dedicated transformer
for 24 Vac power.
3 Do not apply voltage to the priority shutdown
and occupancy inputs.
4 Example of Comm5 communication link wiring.
See product-specific literature for Comm5 wire
connection details.
Wire AC Power