Metasys ET Series Manuel utilisateur

Fire Initiating Devices and Notification Appliances Technical Manual 408

Notification Appliances Section

Technical Bulletin

Issue Date 1095

Code No. LIT-408195

Introduction Page 3

●

General Description 3

Installation Procedures 10

●

Mounting 12

●

Wiring Installation Guidelines 21

●

Limitations 24

ET Series Speakers and Strobe Speakers

2 Notification Appliances—ET Series Speakers and Strobe Speakers

Notification Appliances—ET Series Speakers and Strobe Speakers 3

Introduction

The ET series speakers and strobe speakers are UL Listed under Standard 1971 for

signaling devices for the hearing impaired and UL Standard 1480 for speaker appliances.

These speakers and strobe speakers are manufactured by Wheelock for use with Johnson

Controls systems.

The ET series is designed for multiple power requirements with high dBA output at each

power tap. All ET models offer a choice of field selectable taps: 1/8 to 8 watts for either

25 VRMS or 70 VRMS audio systems. The ET series design incorporates a high

efficiency speaker for maximum output at minimum power across a frequency range of

400 to 4000 Hz and features a sealed back construction for extra protection and improved

audibility.

All inputs are compatible with standard reverse polarity supervision of Notification

Appliance Circuit (NAC) wiring by a Fire Alarm Control Panel (FACP).

The optional strobe for the ET series speakers incorporates a xenon flashtube with solid-

state circuitry enclosed in a rugged LEXAN®lens to provide maximum reliability for

effective visible signaling. The strobe speakers are available with a choice of four UL

Listed strobe options: series LS, LSM, MS, and IS. (Refer to the LS, LSM, MS, and IS

Series Strobe Signals Technical Bulletin for specific information regarding these strobe

signals.) All models are UL Listed for indoor use. The LS, MS, and IS models are listed

for ceiling or wall mount using the backboxes specified in this document. The LSM

model is listed for wall mount only. (See the Mounting section of this document.)

Figure 1: Dimensions

Note: In order to ensure proper operation, this product should be applied as specified

in the applicable National Fire Protection Association (NFPA) codes and in

compliance with its UL listing.

General

Description

ET-1080

ET-1070

3/8 in.

3-3/8 in. s

5-3/8 in. s

2-7/16 in.

3 in.

ET-1090

et_1

2-7/16 in.

13/32 in.

3 in.

3-3/8 in. s

FIRE

7-3/8 dia.

ET-1010

1-15/16 in.

1-7/8 in.

Max.

3-3/8 in. s

4-3/8 in. s

2-7/16 in.

3 in.

Max.

3-3/8 in. s

5-7/16 in. s

1in.

4 Notification Appliances—ET Series Speakers and Strobe Speakers

WARNING: Personal injury hazard. Failure to follow these directions

may result in the failure of the device to report an alarm or

trouble condition.

Johnson Controls is not responsible for devices that have been improperly installed,

tested, or maintained by others.

ET-1010 speakers (without a strobe) are UL Listed for indoor/outdoor use with a

temperature range of -31 to 150°F (-35 to 66°C) with a maximum relative humidity of

95%. All other models are UL Listed for indoor use with a temperature range of 32 to

120°F (0 to 49°C) and a maximum relative humidity of 85%.

The speakers and strobe speakers operate on Full-Wave Rectified (FWR), regulated

(filtered) DC voltage as well as unregulated (unfiltered) DC. Performance ratings are

based on nominal input voltages 24 VDC

(20 to 31 VDC).

The frequency range of the speakers is 400 to 4,000 Hz. Operate the ET-1010 speakers

only within the specified voltage range for rated performance and endurance.

All strobe models are designed to flash as specified with continuous nominal applied

voltage. The flash rate for the strobe is approximately one flash per second at nominal

voltage. Strobes are not designed to be used on coded systems in which the applied

voltage is cycled on and off.

All candela (cd) ratings represent effective intensity based on UL 1971.

This equipment has been tested and complies 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 installations. This equipment generates, uses,

and radiates radio frequency energy. If not installed and used in accordance with the

instructions, this equipment may cause harmful interference to radio communications.

However, there is no guarantee that interference will not occur in a particular installation.

If this equipment does cause harmful interference to radio or television reception, which

can be determined by turning the strobe and/or audible equipment off and on, the user is

encouraged to try to correct the interference by one or more of the following measures:

1. Reorient or relocate the receiving antenna.

2. Increase the separation between the equipment and receiver.

3. Consult the dealer or an experienced radio/TV technician for help.

Notification Appliances—ET Series Speakers and Strobe Speakers 5

CAUTION: Equipment damage hazard. Although UL testing has

verified these products function at 80% of their minimum

rating and 110% of their maximum rating, Johnson Controls

recommends that the voltage applied to these products be

within their rated input voltage range. The application of

improper voltage may result in degraded operation or damage

to these products.

CAUTION: Equipment damage hazard. Only the ET-1010 model is

suitable for outdoor use.

To verify that the signaling device is operating at rated voltages, determine the voltage

drop caused by the resistance of the Notification Appliance Circuit (NAC) wiring. Then,

subtract this voltage from both the maximum and minimum power supply and battery

voltages.

Table 1: ET Series Speakers and Strobe Speakers Specifications

Speaker Strobe

Model dBA at 10 Feet Input Strobe Mounting

Number Per UL 14804Voltage Candela Options3

(Rated Watts) (VDC) (cd)

1/8 1/4 1/2 1 2 418 Min Nom Max

ET-1010-R 78 81 84 87 90 93 96 ---- ---- ---- ---- E, F, G, H

ET-1070-R 78 81 84 87 90 93 96 ---- ---- ---- ---- A, D

ET-1080-R 78 81 84 87 90 93 96 ---- ---- ---- ---- C, D

ET-1090-W 78 81 84 87 90 93 96 ---- ---- ---- ---- B

ET-1070-LS-24-VFR 78 81 84 87 90 93 96 20 24 31 15 A, D

ET-1070-LSM-24-VFR 78 81 84 87 90 93 96 20 24 31 152A, D

ET-1070-MS-24-VFR 78 81 84 87 90 93 96 20 24 31 30 A, D

ET-1070-IS-24-VFR 78 81 84 87 90 93 96 20 24 31 75 A, D

ET-1080-LS-24-VFR 78 81 84 87 90 93 96 20 24 31 15 C, D

ET-1080-LSM-24-VFR 78 81 84 87 90 93 96 20 24 31 152C, D

ET-1080-MS-24-VFR 78 81 84 87 90 93 96 20 24 31 30 C, D

ET-1080-IS-24-VFR 78 81 84 87 90 93 96 20 24 31 75 C, D

ET-1090-LS-24-CFW 78 81 84 87 90 93 96 20 24 31 15 B

ET-1090-MS-24-CFW 78 81 84 87 90 93 96 20 24 31 30 B

ET-1090-IS-24-CFW 78 81 84 87 90 93 96 20 24 31 75 B

Notes: 1. The 4 watt rating is only available with 70 VRMS input.

2. The 15 cd models are listed at 15 cd and meet the Americans with Disabilities Act (ADA)

requirement of 75 cd on the axis.

3. Refer to Figures 3 through 10 in the

Mounting

section of this document.

4. UL 1840 measures dBA sound power levels in a reverberant test room.

Table 2: Strobe Current Requirements (amperes)

Rated Average

Current Rated Peak Current Rated Inrush Current

6 Notification Appliances—ET Series Speakers and Strobe Speakers

Voltage LS MS LSM IS LS MS LSM IS LS MS LSM IS

20 VDC 0.080 0.135 0.115 0.240 0.160 0.288 0.250 0.500 0.210 0.280 0.225 0.650

24 VDC 0.080 0.135 0.115 0.225 0.190 0.296 0.260 0.450 0.250 0.280 0.270 0.660

31 VDC 0.080 0.135 0.115 0.195 0.210 0.296 0.260 0.370 0.320 0.300 0.360 0.880

20 VFWR* 0.080 0.135 0.125 0.240 0.210 0.390 0.350 0.700 0.320 0.390 0.315 0.920

24 VFWR* 0.081 0.135 0.125 0.225 0.216 0.390 0.365 0.640 0.380 0.390 0.380 0.930

31 VFWR* 0.091 0.135 0.125 0.195 0.240 0.390 0.365 0.520 0.450 0.420 0.500 1.25

* All VFWR voltages are measured with a DC voltmeter. Multiply VFWR voltage by 1.11 to convert

values to VRMS.

Note: VDC is the voltage provided by a filtered (regulated) power supply. VFWR is

the voltage provided by an unfiltered (unregulated) full-wave rectified power

supply.

Ensure that the total current required by all the strobe devices connected to the system’s

primary and secondary power sources and NACs does not exceed the power supply’s

rated current.

Also ensure that the total wattage required by all the speakers connected to a system audio

amplifier and the speaker NAC control device does not exceed the power supply’s rated

current.

WARNING: Personal injury hazard. Exceeding the power supply’s

rated current could result in the loss of power and failure to

alert occupants during an emergency.

To calculate the total strobe current:

1. Use Table 2 to determine the highest value of rated average current for an individual

strobe.

2. Add this value to the total values of the strobes on the circuit.

3. Add the current for any other devices powered by the same source, including any

required safety factors.

Note: Calculate the total audible signal current in the same manner based on the input

voltage and the selected wattage of each individual speaker.

Verify electrical ratings specified in Tables 1 and 2 to ensure proper electrical input.

Verify speaker wires are only connected to speaker terminals and strobe wires are only

connected to strobe terminals. Verify wiring at the panel, power supply, and/or NAC

control point is correct.

CAUTION: Equipment damage hazard. Improper electrical input may

damage the device or cause it to malfunction.

UL 1971 requires a polar light distribution pattern to enhance the likelihood of alerting

hearing impaired individuals throughout an area. Figure 2 illustrates the way the standard

measures light intensity, both horizontally and vertically. Tables 3 and 4 list the UL

minimum requirements and the actual value of the light intensity of the strobe signal.

Total Current

Light Distribution

Notification Appliances—ET Series Speakers and Strobe Speakers 7

Figure 2: Light Distribution Comparison

lightdis.drw

Wall Mount Horizontal Light Distribution

Wall

-90

-45

Zero Axis

Wall

Floor

85 80 75 70

65 60

55 50

45 40 35 30

Wall Mount Vertical Light Distribution

rees

Percent

of Rated

ht Output

100

5-30

rees

Percent

of Rated

ht Output

100

5-25

30-45

8 Notification Appliances—ET Series Speakers and Strobe Speakers

Table 3: Horizontal Plane Light Distribution

Horizontal 15 cd 15 cd* 30 cd 75 cd

Angle

Off the Axis of

the Strobe (in

Degrees)

Minimum

Candela

Required

per

UL 1971

Typical

LS Typical

LSM Minimum

Candela

Required

per

UL 1971

Typical

MS Minimum

Candela

Required

per

UL 1971

Typical

015.0 21 100 30.0 42 75.0 90

513.5 20 75 27.0 40 67.5 92

10 13.5 20 38 27.0 40 67.5 89

15 13.5 20 28 27.0 40 67.5 86

20 13.5 20 22 27.0 40 67.5 86

25 13.5 20 19 27.0 40 67.5 83

30 11.3 19 19 22.5 38 56.3 77

35 11.3 17 17 22.5 34 56.3 70

40 11.3 17 17 22.5 34 56.3 65

45 11.3 15 16 22.5 30 56.3 58

50 8.3 10 15 16.5 20 41.3 42

55 6.8 8 15 13.5 16 33.8 35

60 6.0 8 15 12.0 16 30.0 33

65 5.3 8 15 10.5 16 26.3 31

70 5.3 8 15 10.5 16 26.3 31

75 4.5 8 15 9.0 16 22.5 31

80 4.5 7 15 9.0 14 22.5 30

85 3.8 7 15 7.5 14 18.8 27

90 3.8 6 14 7.5 13 18.8 26

* The 15 cd models are listed at 15 cd and meet the Americans with Disabilities Act (ADA)

requirement of 75 cd on the axis.

Notification Appliances—ET Series Speakers and Strobe Speakers 9

Table 4: Vertical Plane Light Distribution

Vertical 15 cd 15 cd* 30 cd 75 cd

Angle

Off the Axis of

the Strobe

(in Degrees)

Minimum

Candela

Required

per

UL 1971**

Typical

LS Typical

LSM Minimum

Candela

Required

per

UL 1971**

Typical

MS Minimum

Candela

Required

per

UL 1971**

Typical

015.0 21 100 30.0 42 75.0 90

513.5 21 100 27.0 42 67.5 88

10 13.5 21 100 27.0 42 67.5 87

15 13.5 20 100 27.0 40 67.5 83

20 13.5 19 100 27.0 38 67.5 79

25 13.5 19 98 27.0 38 67.5 74

30 13.5/11.3 18 96 27.0/22.5 36 67.5/56.3 70

35 9.8/11.3 18 94 19.5/22.5 36 48.8/56.3 68

40 6.9/11.3 16 92 13.8/22.5 32 34.3/56.3 66

45 5.1/11.3 14 90 10.2/22.5 28 25.5/56.3 63

50 4.0/8.3 12 84 8.1/16.5 24 20.0/41.3 59

55 3.3/6.8 12 77 6.6/13.5 24 16.3/33.8 54

60 2.7/6.0 9 70 5.4/12.0 18 13.5/30.0 52

65 2.4/5.3 8 63 4.8/10.5 16 12.0/26.3 40

70 2.3/5.3 8 56 4.5/10.5 16 11.3/26.3 31

75 2.0/4.5 8 50 4.0/9.0 16 10.0/22.5 29

80 1.8/4.5 8 30 3.6/9.0 16 9.0/22.5 29

85 1.8/3.8 8 20 3.6/7.5 16 9.0/18.8 28

90 1.8/3.8 8 8 3.6/7.5 16 9.0/18.8 24

*The

15 cd models are listed at 15 cd and meet the Americans with Disabilities Act (ADA) requirement of

75 cd on the axis.

** Wall/Ceiling Mounting

Table 5: Flashes per Second Across the Rated Voltage Range

ModelsVolts202224262831

LS DC 1.0 1.1 1.3 1.4 1.5 1.7

FWR 1.0 1.1 1.3 1.4 1.6 1.8

LSM DC 1.0 1.2 1.3 1.4 1.5 1.6

FWR 1.0 1.2 1.3 1.4 1.5 1.7

MS DC 1.0 1.1 1.2 1.4 1.5 1.6

FWR 1.0 1.1 1.2 1.4 1.4 1.6

IS DC 1.1 1.2 1.3 1.3 1.4 1.5

FWR 1.0 1.1 1.2 1.3 1.3 1.4

Note: ADA guidelines presently specify a flash rate of one to three flashes per second.

10 Notification Appliances—ET Series Speakers and Strobe Speakers

Installation Procedures

WARNING: Personal injury hazard. Under certain circumstances the

use of multiple strobes within a persons field of view and

strobe reflections in a glass or mirrored surface might induce

a photosensitive response in persons with epilepsy.

To minimize this possible hazard, Johnson Controls strongly recommends that the number

of strobes installed within a single room, hallway, or other field of vision not exceed the

parameters prescribed by NFPA-72-National Fire Alarm Code and UL standards.

Johnson Controls strongly recommends the intensity and flash rates of such strobes not

exceed those levels established by applicable laws, standards, regulations, and guidelines.

The number of installed strobes should not present a composite flash rate in the field of

view which exceeds five hertz at the operating voltage of the strobes.

Note: NFPA 72 and ANSI 117.1 Standards provide means for determining equivalent

illumination using fewer, higher intensity strobes within the same protected area.

Installation of strobe products in sleeping areas should be wall mounted as follows:

1. The on-axis (directly in front of lens) light output should be directed at the eyelids of

the sleeping person, such as the pillow end of bed, or the bed head.

2. No part of the bed shall be more than 16 feet from the strobe notification appliance.

WARNING: Personal injury hazard. Installers must advise owners and

operators of buildings with sleeping occupants to warn

guests, residents, and employees not to move the bed location

to a position violating Points 1 and 2 above or serious injury

and/or loss of life may occur during a fire emergency.

WARNING: Personal injury hazard. When installing strobes in an open

office or other area containing partitions or other viewing

obstructions, ensure the strobes operating effect can be seen

by all intended viewers. The intensity, number, and type of

strobes must alert the viewer, regardless of the viewer’s

orientation.

WARNING: Personal injury hazard. NFPA-72-National Fire Alarm

Code requires supervision of notification appliance circuits.

Check if unsupervised circuits violate any applicable codes.

Refer to Figures 3 through 10 when installing units. Refer to Table 1 for the correct

mounting option to use for each model. Order plates and backboxes separately. Special

plates and backboxes are indicated in the illustrations and described in Table 14.

Mounting

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