Intermatic pg3000-3500 Manual Do Utilizador

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These wiring diagrams show installation of the PG

Series unit on the load side of a breaker.  While these units have
internal fusing, it is recommended that a 60 to 100 amp breaker
be used as a disconnect.  Refer to installation instruction number
4 on page 1.

1. Two Wire Closed Loop: Connect feed wire  to the Common (C)
wire and return wire to the Normally Opened (N/O) wire. During
normal operation, the contact will be closed between C and N/O.
The contact will open during an alarm condition.
2. Two Wire Opened Loop: Connect the feed wire to the Common
( C ) wire and return wire to the Normally Closed (N/C) wire.
During normal operation, the contact will be opened between C
and N/C.  The contact will close during an alarm condition.  
3. Three Wire Supervised Loop: Connect feed wire to the
Common (C) wire, one return wire to the Normally Opened (N/O)
wire and the second return wire to the Normally Closed (N/C)
wire.  During normal operation, the contact will be closed between
C and N/O and opened between C and N/C. An alarm condition
will reverse the condition. 
4. Consult the instructions for your specific monitoring system for
additional information.

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