wheelock MT4-115 INSTALLATION INSTRUCTIONS

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INSTALLATION INSTRUCTIONS

www.wheelockinc.com 115VAC MULTITONE APPLIANCES

MT4-115

Use this product according to this instruction manual. Please keep this instruction manual for future reference.

GENERAL:

115VAC Multitone Appliances are UL Listed for Fire Protective Service and for General Signaling Service. They are listed for both
indoor and outdoor use with the backboxes specified in these instructions (see Mounting Options). 115VAC Multitone Appliances
can be field set to produce any one of eight commonly used alarm tones. Sound output can be field set to provide either HIGH (HI)
dBA or STANDARD (STD) dBA sound output level. All inputs have DC blocking capacitor for compatibility with supervision when
used with a Fire Alarm Control 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. THE 115VAC
MULTITONE APPLIANCE MUST BE FIELD SET TO THE DESIRED dBA SOUND OUTPUT LEVEL AND ALARM TONE
BEFORE THEY ARE INSTALLED. THIS IS DONE BY PROPERLY ADJUSTING A FOUR POSITION SWITCH IN
ACCORDANCE WITH THESE INSTRUCTIONS. INCORRECT SETTINGS WILL RESULT IN IMPROPER PERFORMANCE
AND COULD RESULT IN PROPERTY DAMAGE AND SERIOUS INJURY OR DEATH TO YOU AND/OR OTHERS.

SPECIFICATIONS:

Table 1: UL Listed Models and Ratings

Model Regulated

Voltage

(VRMS)

MT4-115 120 96-132 A, B

Voltage

Range

(VRMS)

Mounting

Options

Table 1A: dBA and Current Ratings for Multitone Appliances

dBA Reverberant

Tone at 10 Feet

HI STD HI STD

Horn 0.050 0.042 88 82

Bell 0.041 0.039 82 75

March Time Horn 0.050 0.040 85 79

Code-3 Horn 0.050 0.042 85 75

Code-3 Tone 0.042 0.040 79 75

Slow Whoop 0.050 0.042 88 82

Siren 0.045 0.041 85 82

HI/LO 0.042 0.039 82 79

Maximum RMS Current

(AMPS)

Per UL 464

WARNING: FOR UL APPLICATIONS THESE APPLIANCES WERE TESTED TO THE OPERATING VOLTAGE LIMITS
OF 96-132 VOLTS. DO NOT APPLY 80% AND 110% OF THESE VOLTAGE VALUES FOR SYSTEM OPERATION.

All models are UL Listed for indoor/outdoor use with a temperature range of -31

o

F to +150oF (-35oC to +66oC) and maximum

humidity of 95% RH.

Copyright 2004 Wheelock, Inc. All rights reserved.

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WARNING: MAKE SURE THAT THE TOTAL RMS CURRENT REQUIRED BY ALL APPLIANCES THAT ARE
CONNECTED TO THE SYSTEM’S PRIMARY AND SECONDARY POWER SOURCES DO NOT EXCEED THE POWER
SOURCES’ RATED CAPACITY OR THE CURRENT RATINGS OF ANY FUSES ON THE CIRCUITS TO WHICH
THESE APPLIANCES ARE WIRED. OVERLOADING POWER SOURCES OR EXCEEDING FUSE RATINGS COULD
RESULT IN LOSS OF POWER AND FAILURE TO ALERT OCCUPANTS DURING AN EMERGENCY, WHICH COULD
RESULT IN PROPERTY DAMAGE AND SERIOUS INJURY OR DEATH TO YOU AND/OR OTHERS.

When calculating the total currents: Use Table 1 to determine the highest value of “RMS Current” for an individual audible (across
the expected operating voltage range of the audible), then multiply these values by the total number of audibles; be sure to add the
currents for any other appliances, including audible signaling appliances, powered by the same source and include any required safety
factors.

WARNING: MAKE SURE THAT ALL FUSES USED ON SIGNALING CIRCUITS ARE RATED TO HANDLE THE
MAXIMUM INRUSH OR PEAK CURRENT FROM ALL APPLIANCES ON THOSE CIRCUITS. FAILURE TO DO THIS
MAY RESULT IN LOSS OF POWER TO THE SIGNALING CIRCUIT AND THE FAILURE OF ALL APPLIANCES ON
THAT CIRCUIT TO OPERATE, WHICH COULD RESULT IN PROPERTY DAMAGE AND SERIOUS INJURY OR
DEATH TO YOU AND/OR OTHERS.

The Multitone audible appliances produce a brief inrush current that lasts for just 50 microseconds but can reach a peak value of 5.0
Amps.

WARNING: IF 115VAC MULTITONE APPLIANCES ARE OPERATED WITHIN 15 INCHES OF A PERSON'S EAR,
THEY CAN PRODUCE A SOUND PRESSURE LEVEL THAT EXCEEDS THE MAXIMUM 120 dBA PERMITTED BY
ADA AND OSHA RULES. EXPOSURE TO SUCH SOUND LEVELS CAN RESULT IN DAMAGE TO A PERSON'S
HEARING.

SETTINGS:

The Switch (SW1) of the Multitone Appliance, shown in Figure 1, is used to set the desired dBA sound output level and alarm tone.
The factory settings are shown below. Read these instructions carefully before changing any of these factory settings.

Figure 1:

PC Board Layout Showing Location of Switch (SW1)

SLIDE HERE FOR (0)

SLIDE HERE FOR (1)

The factory settings are:

SW1

4

123

O
N

SW1

432

1

O
N

HIGH dBA SW1 POS 1 set on 1

HORN TONE SW1 POS 2, 3, 4 set on 1, 1, 1

+ AUD -

P83159 B

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