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P82467-007 C 
Sheet 5 of 9 

STEP 2: 

Set desired alarm tone as follows (refer to Figure 3 and Table 6). 
 
 
Multitone Strobe 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 6.  Use SW1  POS 2, 3, 4 to select the desired alarm tone. 
 

 

Table 6:  Switch Settings 

Tone 

POS POS POS 

 

2 3 4 

Horn 

1 1 1 

Bell 

1 0 1 

March Time Horn 

Code-3 

Horn 

1 1 0 

Code-3 

Tone 

0 1 1 

Slow 

Whoop 

0 1 0 

Siren 

1 0 0 

HI/LO 

0 0 0 

 
 
NOTE: 

 The Code-3 Horn and Code-3 Tone (set on HIGH dBA) incorporate the temporal pattern specified by ANSI/NFPA for 

standard emergency evacuation signaling.  They should be used only for fire evacuation signaling and not for any other purpose. 
 
The Horn and Bell Tones can be used on coded systems with a minimum On-Time of 1/4 second if the audible and strobe are wired to 
operate independently.  All other tones are recommended for use only on continuous (non-coded) systems. 
 
 
 

WIRING INFORMATION: 
 

 

Audible appliance and strobe operate independently. 

 

 

 

 

Audible appliance and strobe operate in unison.  Red and black shunt-wires are supplied. 

 

 

 

 

1) Multitone Strobe models have in-out wiring 

terminals that accept two #12 to #18 American 
Wire Gauge (AWG) wires at each screw 
terminal.  Strip leads 3/8 inches and connect to 
screw terminals. 

 
 
2)  Break all in-out wire runs on supervised circuits 

to assure integrity of circuit supervision as 
shown on right.  The polarity shown in the 
wiring diagrams is for operation of the 
appliances.  The polarity is reversed by the 
FACP during supervision. 

Summary of Contents for MT-12-WH

Page 1: ...l Panel FACP NOTE All CAUTIONS and WARNINGS are identified by the symbol All warnings are printed in bold capital letters WARNING PLEASE READ THESE INSTRUCTIONS CAREFULLY BEFORE USING THIS PRODUCT FAILURE TO COMPLY WITH ANY OF THE FOLLOWING INSTRUCTIONS CAUTIONS AND WARNINGS COULD RESULT IN IMPROPER APPLICATION INSTALLATION AND OR OPERATION OF THESE PRODUCTS IN AN EMERGENCY SITUATION WHICH COULD R...

Page 2: ... the strobe and audible are wired to operate in unison on a single circuit Table 3 dBA Multitone With Strobe Anechoic Reverberant dBA 10 dBA 10 Per UL 464 Tone Nominal Minimum Maximum Voltage Voltage Voltage HI STD HI STD HI STD Horn 99 93 85 79 88 82 Bell 92 87 79 75 82 75 March Time Horn 99 93 82 75 85 79 Code 3 Horn 99 93 79 75 82 75 Code 3 Tone 95 90 75 70 79 73 Slow Whoop 99 94 82 75 85 79 Si...

Page 3: ...TO HANDLE THE MAXIMUM INRUSH OR PEAK CURRENT FROM ALL DEVICES ON THOSE CIRCUITS FAILURE TO DO THIS MAY RESULT IN LOSS OF POWER TO THE SIGNALING CIRCUIT AND THE FAILURE OF ALL DEVICES ON THAT CIRCUIT TO OPERATE When calculating the maximum inrush use Figure 1 to determine the highest value of Rated Inrush Current for an individual strobe across the expected operating voltage range of the strobe the...

Page 4: ...ut level as follows Refer to Figure 3 Multitone Strobe Appliances cannot be field set for input voltage Multitone Strobe Appliances are field set for dBA sound output level by adjusting a four position Switch SW1 as shown in Table 5 and Figure 3 Use SW1 Position 1 to select the desired dBA sound output level Table 5 dBA Sound Output Level Settings HIGH dBA Set SW1 POS 1 1 Factory Setting STANDARD ...

Page 5: ...on signaling and not for any other purpose The Horn and Bell Tones can be used on coded systems with a minimum On Time of 1 4 second if the audible and strobe are wired to operate independently All other tones are recommended for use only on continuous non coded systems WIRING INFORMATION Audible appliance and strobe operate independently Audible appliance and strobe operate in unison Red and blac...

Page 6: ...cient space in the backbox to accommodate the field wires and stresses from the wires could damage the product Although the limits shown for each mounting option comply with the National Electrical Code NEC Wheelock recommends use of the largest backbox option shown and the use of approved stranded field wires whenever possible to provide additional wiring room for easy installation and minimum st...

Page 7: ... of the box Figure C Use appropriate anchors for the wood screws that are supplied with the box if necessary 6 The IOB includes a prefastened gasket and four hole plugs Make sure the condensation drain holes on the box face down and that the box is vertical to permit drainage of any moisture Use the mounting ears to secure the box do not use the back knockouts Use the hole plugs to seal the unused...

Page 8: ...FPA 72 1993 Edition NOTE This equipment has been tested and found to comply with the limits for a Class B digital device pursuant to Part 15 of the FCC Rules These limits are designed to provide reasonable protection against harmful interference in residential installation This equipment generates uses and can radiate radio frequency energy and if not installed and used in accordance with the inst...

Page 9: ...ER SPECIFICATION ABUSE ACCIDENT OR OTHER OPERATING CONDITIONS BEYOND WHEELOCK S CONTROL SOME WHEELOCK PRODUCTS CONTAIN SOFTWARE WITH RESPECT TO THOSE PRODUCTS WHEELOCK DOES NOT WARRANTY THAT THE OPERATION OF THE SOFTWARE WILL BE UNINTERRUPTED OR ERROR FREE OR THAT THE SOFTWARE WILL MEET ANY OTHER STANDARD OF PERFORMANCE OR THAT THE FUNCTIONS OR PERFORMANCE OF THE SOFTWARE WILL MEET THE USER S REQU...

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