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...4 INSTALLATION...
4.12 Relay Connections – Fig. 4.16
See Table 4.3 for relay and alarm states.
Relay 3
Relay 2
Relay 1
Normally Open
Common
Normally Closed
Fig. 4.16 Relay Connections
Relay 1
for booster pump
or divert valve
control
Relay 2
for booster pump
or divert valve
control
Relay 3
for warning light
or horn
*
X = Don't care
30
9
0
!
6
7
8
3
4
5
Deviation
Start-up
Alarm (A1)
Alarm (A2)
Active
X
X
Active
X
X
Inactive
Inactive
X
Active
X
Inactive
Active & Unack
X
Active & ack
X
Inactive
X
Table 4.3 Relay and Alarm States
Logic
Input 1
X
De-energised
X
De-energised
Manual override
De-energised
Normal
Energised
X
De-energised
X
Energised
X
Energised
X
De-energised
X
De-energised
Relay
state
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