
Installation/Operation Manual - Installation 7
2.2 CB-2 Main Junction Block
The CB-2 main junction box provides access for outside power to be brought into the enclosure using two sets of
customer supplied 110V power - one for the 920i indicator and the other for the relays/plant control.
Figure 2-2 illustrates the 12 pin connector used plus the relays.
Relay 1
Relay 2 Agg.
conveyor start
Relay 3
Relay 4 Air
Compressor
start
12 pin
connector w/
pin 1 starting at
left and shown
in greater detail
in Figure 2-3
below.
Figure 2-2. CB-2 AC Power Junction Block
Table 2-1 lists the pin connections located on the BOTTOM ROW of the terminal strip for power to the CB-2.
Table 2-1. CB-2 AC Power Junction Block Power Connections Into the Enclosure
Bottom Row Pin Number Function
1 Line 1, provides power to 920i
2 Neutral
3
4
5 Line 2, pr
ovides power to relays
6 Neutral
7
8
9 Ground
10
11
12
Figure 2-3. AC Power 12 Pin Connector as Shown in Detail from Figure 2-2 (above)
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