10
5. Wiring Instructions
• When alarms are interconnected, all interconnected units must be
powered from a single circuit.
• A maximum of 18
Garland
OnGard
safety devices may be
interconnected in a multiple station arrangement. The interconnect
system should not exceed the interconnect limit of 12 smoke alarms
and/or 18 alarms total (smoke, heat detector, etc.).
(see below for details on interconnecting
Garland OnGard
devices).
• The maximum wire run distance between the first and last unit
in an interconnected system is 307 meters.
Figure 3
illustrates
interconnection wiring. Improper connection will result in damage to
the alarm, failure to operate, or electrical shock hazard.
• Make certain alarms are wired to a continuous (non-switched) final
sub-circuit.
Note: Use approved listed Australian Standards cable 1.0mm²
TPS or larger as required by local codes.
FIGURE 3 “INTERCONNECT WIRING DIAGRAM”
ALARM HARNESS ----------------------- CONNECTED TO:
BROWN ------------------------ A (Hot Side of AC Line)
BULE ------------------------ N (Neutral Side of AC Line)
RED ------------------------- SW (Interconnect Lines (RED
Wires) of Other Units in the
Multiple Station Set up)
BATTERY INSTALLATION
See Battery replacement (section 10) for battery installation.
OG20 / OG20LL
Interconnect
Smoke Alarm
OG30
Interconnect
Heat Alarm
OG10
Interconnect
Smoke Alarm
A
N
FUSE OR CIRCUIT BREAKER
A
SW
N
Brown
Brown
Brown
Brown
Red
Red
Red
Red
Blue
Blue
Blue
Blue
A
SW
N
A
SW
N
FIGURE 3
