E2S AlertAlarm A105N, Instructions/Service Manual

E2S Warning Signals Impress House, Mansell Road, Acton, London W3 7QH    sales@e2s.com        e2s.com                                            D218

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00

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051

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IS Issue 1 10/05/2021 

Construction Product Regulation

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A105NDC024 is compliant to EN54

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3:2001+A1+A2

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Alarm devices –

Sounder for use in fire detection and fire alarm systems installed in and around buildings 

• 

Type 4 / 4X / 3R / 13, IP66, Independently tested to EN60529:1991, (IP33C Compliant to EN54

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3)

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Type B Product, For Indoor & Outdoor use

• 

Observe Precautions for handling electrostatic devices

• 

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25°C to +55°C compliant to EN54

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3

• 

Cable Glands must be suitably sealed and meet minimum IP33 for EN54

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3 applications

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Storage Temperature: 

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40°C to +70°C

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Maintenance –

None

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Mounting 

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 Units can be mounted using the 2

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off ø7mm holes or through the back of the housing using the 

supplied gasket seal

2821

S36282

21

Approved Tones for EN54

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3 Applications:

•(

Alternating Tone) 800/1000Hz @ 2Hz Alternating Tone 44

•(

Rising Tone) 500/1200Hz @ 0.26Hz (3.3s on, 0.5s off) Tone 8

•(

Fainting Tone) 1200/500Hz @ 1Hz Tone 2

•(

Continuous Tone) 800Hz Tone 21

•(

Pulsed Tone) 660Hz (150mS on, 150mS off) Tone 31

•(

Alternating Tone) 544Hz(100mS)/440Hz (400mS) Tone 5

Order Code: A105NDC024

Voltage Range: 18

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60Vdc

Nominal Voltage: 24Vdc / 48Vdc

Max Current: 125mA @ 60Vdc 

DP

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2821

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CPR

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0107

A105NDC024 @ 1m

Horizontal Sound Output Max Voltage

(60 Vdc) LAFmax,T dB(A)

Horizontal Sound Output

Min Voltage (18 Vdc) LAFmax,T dB(A)

Angle

Tone 

44

Tone 

8

Tone 

2

Tone 

21

Tone 

31

Tone 

5

Tone 

44

Tone 

8

Tone 

2

Tone 

21

Tone 31

Tone 5

15°

93.9

94.6

93.7

94

91

91.8

90.8

91.2

90.5

90.9

88

89.1

45°

99.6

101.4

100.1

99.7

96.6

98.2

96.5

98.3

96.9

96.6

93.5

95.7

75°

102.5

103.9

103.5

102.6

102

100.6

100

101.1

100.6

100.1

98.7

98

105°

102.5

103.9

103.4

102.7

102

100.6

100

101.1

100.6

100.3

98.8

98.2

135°

99.5

101.4

100.1

99.7

96.4

98.1

96.4

98.2

96.9

96.6

93.5

95.5

165°

94.1

94.8

93.7

94.1

90.6

91.8

91.1

91.5

90.5

91.1

87.6

89.2

Vertical Sound Output Max Voltage

(60 Vdc) LAFmax,T dB(A)

Vertical Sound Output Min Voltage

(18 Vdc) LAFmax,T dB(A)

Angle

Tone 

44

Tone 

8

Tone 

2

Tone 

21

Tone 

31

Tone 

5

Tone 

44

Tone 

8

Tone 

2

Tone 

21

Tone 31

Tone 5

15°

93.8

94.7

93.5

94.3

90.2

91.8

90.7

91.5

90.2

91.2

87.3

89.2

45°

99.6

101.4

100.1

100

96.4

98.3

96.5

98.4

97

96.9

93.4

95.7

75°

103

104.2

103.7

103.2

101.5

100.6

99.8

101.1

100.5

100.1

98.5

98.1

105°

102.6

104.2

103.4

102.6

101.8

100.5

100

101

100.6

100

99

98

135°

99.5

101.4

100.1

99.8

96.4

98.3

96.3

98.2

97

96.6

93.5

95.7

165°

94.3

94.5

93.6

94.6

89.8

91.6

91.2

91.2

90.4

91.5

96.8

88.8