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Sounder Base ULCAS380, ULMAS850, ULFXN538LBS

Effective April 2019

Installation Instructions

Model No.

 Brand

ULCAS380

Eaton Cooper

ULMAS850

Eaton Menvier

ULFXN538LBS

Eaton JSB

Installation

1.  Fit the box in position using the mounting details below.
2.  Connect the unit according to the diagram below.
3.  Recommended Loop Cable Type: FIRETUF, FP200

 

1. Mounting Base

I.  Knock-out the required fixing holes.
II.  Fix to mounting surface using two suitable screws

If the base deforms on an uneven surface. Loosen the screws or 

move to a more flat position.

When used with a detector, the installation and spacing shall be 

in accordance with the requirements for smoke detectors (NFPA 

72, Chapter 17).

When installed with the blank cover,the installation and spacing 

shall be in accordance notification appliances 

(NFPA 72, Chapter 18.)

2. Sounder Assembly

Clip sounder onto base. If sounder needs to be removed use a 

small screwdriver to unclip.

3. Locking Tab (optional)

Fit the locking tab into the square 

hole on the shoulder.
Finish assembly as stage 5.
Remove by inserting a suitable tool 

(e.g. A thin screwdriver) into the hole 

in the detector or cover, then rotate 

detector or cover anti-clockwise.

4. Fitting Detector or Cover

5. Standard Connections (see diagram overleaf)

Warning: 

Do 

NOT

 use high voltage tester if 

ANY

 equipment is 

connected to the system.
All connections are Power Limited.
When the base is used with the blank cover: Multiple tone 

appliances which produce the three pulse temporal pattern for 

the international evacuation signal [NFPA 72 (National Fire Alarm 

Code)], shall be used for evacuation use only. The base must not 

be used for evacuation when used with a detector head.

ote: 

N

No addressing of the interface is required. See control panel 

operation for details.

50
60
70
80

Locking tab

release hole

S+
S-

F-
F+

Compatible Analogue 

Addressable Panel

Loop Start

Loop Finish

in

-  +

3

E

4

1

2

-  +

out

43

61-71

102

Sounder and Cover

Sounder and Detector

ø

102

ø

in

-  +

3

E

4

1

2

-  +

out

Do not use this

connection

Terminate the screen as a floating 

joint to the rear of the base within the 

cable termination box

Do not use this

connection

50
60
70
80

Locking tab

release hole

S+
S-

F-
F+

Compatible Analogue 

Addressable Panel

Loop Start

Loop Finish

in

-  +

3

E

4

1

2

-  +

out

43

61-71

102

Sounder and Cover

Sounder and Detector

ø

102

ø

in

-  +

3

E

4

1

2

-  +

out

Do not use this

connection

Terminate the screen as a floating 

joint to the rear of the base within the 

cable termination box

Do not use this

connection

50
60
70
80

Locking tab

release hole

S+
S-

F-
F+

Compatible Analogue 

Addressable Panel

Loop Start

Loop Finish

in

-  +

3

E

4

1

2

-  +

out

43

61-71

102

Sounder and Cover

Sounder and Detector

ø

102

ø

in

-  +

3

E

4

1

2

-  +

out

Do not use this

connection

Terminate the screen as a floating 

joint to the rear of the base within the 

cable termination box

Do not use this

connection

50
60
70
80

Locking tab

release hole

S+
S-

F-
F+

Compatible Analogue 

Addressable Panel

Loop Start

Loop Finish

in

-  +

3

E

4

1

2

-  +

out

43

61-71

102

Sounder and Cover

Sounder and Detector

ø

102

ø

in

-  +

3

E

4

1

2

-  +

out

Do not use this

connection

Terminate the screen as a floating 

joint to the rear of the base within the 

cable termination box

Do not use this

connection

50
60
70
80

Locking tab

release hole

S+
S-

F-
F+

Compatible Analogue 

Addressable Panel

Loop Start

Loop Finish

in

-  +

3

E

4

1

2

-  +

out

43

61-71

102

Sounder and Cover

Sounder and Detector

ø

102

ø

in

-  +

3

E

4

1

2

-  +

out

Do not use this

connection

Terminate the screen as a floating 

joint to the rear of the base within the 

cable termination box

Do not use this

connection

50
60
70
80

Locking tab

release hole

S+
S-

F-
F+

Compatible Analogue 

Addressable Panel

Loop Start

Loop Finish

in

-  +

3

E

4

1

2

-  +

out

43

61-71

102

Sounder and Cover

Sounder and Detector

ø

102

ø

in

-  +

3

E

4

1

2

-  +

out

Do not use this

connection

Terminate the screen as a floating 

joint to the rear of the base within the 

cable termination box

Do not use this

connection

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