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Chapter 1. Installation and Wiring
1.13 Connecting Alarms
Note: Customers must provide their own cables for connecting alarm relays. Acceptable cables range from 12 to 24
AWG.
The moisture.IQ has one fault alarm relay and two high/low alarm relays per channel. Each alarm relay is a single-pole,
double-throw contact set that contains the following contacts:
•
Normally Open (NO)
•
Common (C)
•
Normally Closed (NC)
Table 6 and Figure 26 below list alarm wiring connections.
Normally Open
Normally Closed
1
NO
30
Table 6: Pin Designations for Relay Contacts
Fault
Common
Alarms
2
3
5
4
C
NC
RTN
RTN
Alarm A
Figure 26: Alarm Wiring
Alarm A
1
1
2
2
3
3
6
7
8
C
NO
NC
Alarm B
Alarm B
6
7
8
Fault Alarm Connector
1
2
3
C
NO
NC
moisture.IQ User's Guide
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