lB3
Teminals
1.2
External Siren Speaker
(optional): Fbs. 705-8 or 713 speakers
or other like 8 ohn speakers may be used.
This output is only
active. if the
optional
plug-in No. 4165 Siren Driver is added
to thesystem. The output is driven by 12 volts while AC is
present and reverts to 6 volts when 'AC is absent and operation
is frun the standby battery.
Up to 25 watts of power may be
delivered to the siren speaker(s). Speakers may be connected
singly or in parallel (for concentrated sound intensity) at
full output voltage or in series (for reduced sound intensity
but spread over a wider area) with each speaker receiving half
voltage.
Diagram 1 indicates the allowable speaker configurations
for staying within the siren driver's power limit capability.
ROTE:
-.
This output will be produced in both the System Test
and the Fire Test Modes.
I
ALLOWABLE SPEAKER CONFIGURATIONS
No. 705-8
737;lO
738-10
c
(8 OHM,lOW)
B.C
No. 737-20
No. 713
738-20
(8 OHM,20W)
(8 OHM,30W
1
B
3
2
DIAGRAM 1.
SIREN SPEAKER CONFIGURATIONS
3(-), 4(+)
12V.M: power for
tioke
(Nos. 62242 or 62342) or Cabustion
!zi6;)m2)
Detectors
(interruptible by the FIRE TEST/RESET
Observe polarity.
Use wire sizes in accordance with
the foliowing tabulation and connect the power terminals of
the detectors in 'parallel:
'SMOKE DR COMBUSTION DETECTOR POWER WIRING
Maximun distance
Number of No. 622-12,
to farthest detector
623-12 and/or 632H12's
1
or 2 3 to 6 7
to 10
100
feet
#22 622 520
200 t22 #20
300 822 118
;:t
500 120 616 *
Wse separate power runs for up to 6 detectors each.
628-40
717
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