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Wheelock MT-12/24 - Wiring Information

Wheelock MT-12/24
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P82467-001 F
Sheet 3 of 6
Multitone Appliances are field set for input voltage and dBA sound output level by inserting a Jumper Plug (DP1) and adjusting a
four position Switch (SW1) as shown in Table 2 and Figures 2 and 3. Use DP1 to select the desired voltage and SW1 Position 1 to
select the dBA sound output level.
Table 2: Input Voltage and dBA Sound Output Level Settings
Input Voltage and Decibel Level DP1 and SW1 Settings (Factory Setting)
24 VDC/HIGH dBA:
Set DP1 on 24; set SW1 POS 1 on 1
24 VDC/STD dBA:
Set DP1 on 24; set SW1 POS 1 on 0
12 VDC/HIGH dBA:
Set DP1 on 12; set SW1 POS 1 on 1
12 VDC/STD dBA:
Set DP1 on 24; set SW1 POS 1 on 1
Figure 2. Figure 3.
Jumper Plug (DP1) Settings
(Use Needle Nose Pliers to Lift and Properly Insert the Jumper Plug)
Switch (SW1) Settings
WARNING: DO NOT APPLY 24VDC INPUT IF THE JUMPER PLUG (DP1) IS SET ON 12. THIS CAN DAMAGE
THE UNIT. DOUBLE CHECK THE JUMPER PLUG (DP1) AND SWITCH (SW1) SETTINGS TO MAKE SURE THEY
ARE CORRECT. IMPROPER SETTINGS CAN DAMAGE THE UNIT OR RESULT IN NO SOUND OUTPUT OR A dBA
SOUND OUTPUT LEVEL THAT IS BELOW CODE REQUIREMENTS FOR PUBLIC MODE FIRE PROTECTION.
THIS COULD RESULT IN PROPERTY DAMAGE, SERIOUS INJURY OR DEATH TO YOU AND/OR OTHERS.
STEP 2:
Set desired alarm tone as follows (refer to Figure 3 and Table 3).
Multitone Appliances are field set for any one of eight alarm tones by setting a four-position switch (SW1) as shown in Figure 3 and
Table 3. Use SW1 POS 2, 3, 4 to select the desired alarm tone (refer to Table 3 below).
Table 3: Alarm Tones
SW1
Switch Settings
Tone Pattern Description POS POS POS
2 3 4
Horn Broadband Horn (Continuous) 1 1 1
Bell 1560 Hz Modulated (0.07 Sec. ON/Repeat) 1 0 1
March Time Horn Horn (0.25 Sec. ON/0.25 Sec. OFF/Repeat) 0 0 1
Code 3 Horn Horn (ANSI S3.41 Temporal Pattern) 1 1 0
Code 3 Tone 500 Hz (ANSI S3.41 Temporal Pattern) 0 1 1
Slow Whoop 500-1200 Hz Sweep (4.0 Sec. ON/0.5 Sec. OFF/Repeat) 0 1 0
Siren 600-1200 Hz Sweep (1.0 Sec.ON/Repeat) 1 0 0
HI/LO 1000/800 Hz (0.25 Sec. ON/Alternate) 0 0 0
WIRING INFORMATION:

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