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Installation Instructions for shallow base units

Remove the pozidrive screw from the side of the shallow base. By holding the unit 

securely with two hands twist the sounder head anti-clockwise to the base to undo. 

Secure the base to the desired surface using the appropriate fixings. Pull through power 

& control cable and connect to the sounder head terminals as shown in the diagrams 

below.

Re-assembly is the reverse of the above, first ensuring the O ring is in place on the 

sounder spigot and aligning the bosses with the indents in the base. Once mated, firmly 

twist the sounder head clockwise to fix in place. Replace the pozi drive screw.

Optional Deep Base

Drill out termination & fixing holes & locate onto the desired surface. Pull through 

power & control cable using the appropriate cable glands. Fit sounder head as above. 

Installation must be carried out in accordance with the latest codes of practice by a 

qualified electrician. 

50mm

60mm

Fixing

Options

50mm

60mm

Fixing

Options

Sounder with accessory 

deep base fitted

Sounder with standard 

shallow base fitted

+VDC

12-24v

1st Tone

2nd Tone

Tone Switches

+12-24v

Negative Connection 

For 1st Tone
Negative Connection 

For 2nd Tone

(if required)

+
+

-

-

-

-

VAC

230v AC

Tone Switches

+
+

I

I

1 2

To Next Sounder

3

ON

230v AC

L

N

To Next Sounder

1 2 3

ON

+VDC

12-24v

1st Tone

2nd Tone

Tone Switches

+12-24v

Negative Connection 

For 1st Tone
Negative Connection 

For 2nd Tone

(if required)

+
+

-

-

-

-

VAC

230v AC

Tone Switches

+
+

I

I

1 2

To Next Sounder

3

ON

230v AC

L

N

To Next Sounder

1 2 3

ON

DC Sounder

AC Sounder

S00613

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