VAV Controller—Variable Air Volume (VAV) Controller 43
You must construct any fabricated interconnection cable so the same color
wire on both ends of the cable align with Pin 1 in the plug. This provides a
consistent field assembly of the cable. Figure 17 illustrates the
interconnection cable.
CBLFA
8 7 6 5 4 3 2 1
8
7
6
5
4
3
2
1
Metastat
Phone Plug
Controller
Phone Plug
AI3
AI2
AI1
AI1COM
24VAC
COM
ZBUS
AI2/3 COM
Figure 17: Interconnection Cable
Note: This is not typical of pre-assembled phone cable purchased in retail
stores. A telephone system cable is wired opposite the zone sensor
requirements.
Fabricating an
Interconnection
Cable