IM-P402-93 AB Issue 7
17
6.10 Alarm relays (All relays shown in the power off position)
Figures 17 and 18 are typical alarm circuit wiring diagrams.
The fuse rating must not exceed 3 A.
Controller and all relay mains supplies must be on the same phase.
High
Normal Alarm
10 11 12
Burner circuit broken at alarm To alarm lamp or bell
3 A maximum
Relay supply
Low
Normal Alarm
13 14 15
Burner circuit broken at alarm To alarm lamp or bell
3 A maximum
Relay supply
Fig. 17
Fig. 18
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