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GB.TBLZ49.091201

We reserve the right to alter specifications without notice.

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• Open the cover above the junction hood by lifting the 
catch.
• Insert the cable through any cable grommet.
When using another type of grommet, remove them 
premounted by first pressing through one side and then 
through the other (1-2).
• Connect wiring according to the wiring diagram in the 
instructions for equipment cubicles.

1

2

Drill holes in the duct. 

 

• Make holes without 38 mm installation bracket.
• Make holes with 51 mm installation bracket 

(see point 9).

3

Do not cut this end!

• Measure the ventilation duct.
• Cut the tube.
• The tubes must cover at least 90% of the duct’s width.  
Detectors with venturi tubes of 600 mm are intended for 
ducts with a max. duct width of 600 mm.
• Insert the end plug.

• Insert the seal onto the tube.
• Insert the tube into the bottom of the detector box.
• Lock the tube using the stop screw

4

• Install the tube and detector on the duct.
• Secure the detector box at 3 points at the markings of 
the arrows.

Important! IMPORTANT!
The direction arrows (see the shape 
of the detector’s base or the top of 
the housing) must point in the same 
direction as the air flow in the duct.

End plug

Stop screw

Seal

5

Flow indicator.
The detector is equipped with an indicator, a red 
plastic tab, which, when the detector is correctly 
installed, swings out due to the air flow.

6

Electrical installation.

Important!
If the indicator does not 
move, consider moving 
the detector or install a 
fan tube.

Flow indicator

Venturi tube with auxiliary fan

7

Performance checks.
Check the detector using the smoke detector 
tester in spray form.

• Move the "test hole plug" to the 
side and then quickly spray.
In the event of a deployed alarm the 
LED lights red on the circuit board 
and the detector. In the event of a 
deployed service alarm the LED on 
the circuit board lights yellow and 
green on the detector.
• Reinstall the test hole plug.

Important! 
Do NOT drill holes for signs or similar 
in the plastic cover. This can cause 
leakage that seriously affects the 
function of the detector.

Summary of Contents for TBLZ-1-49-a GOLD

Page 1: ...cket when installing on circular or insulated ducts 2 Function When combustion gas is detected the LED on the detector lights red and the alarm signal is forwarded to the control unit If the smoke detector becomes dirty it becomes more sen sitive and switches to alarm mode more slowly To prevent false alarms if dirty the detector is equipped with a service alarm green LED This indicates that the d...

Page 2: ...he duct see example of inter fering sources below in the direction of airflow is the same as 3 x the duct s hydraulic diameter Nearest location after an interfering source must be at least 5 x the duct s hydraulic diameter MIN 3xdh MIN 5xdh GX GX MIN 3xdh MIN 5xdh GX GX MIN 3xdh MIN 5xdh GX GX MIN 3xdh MIN 5xdh GX GX MIN 3xdh MIN 5xdh MIN 5xdh GX MIN 3xd h GX MIN 5xdh GX MIN 3xd h GX GX MIN 3xdh G...

Page 3: ...tector on the duct Secure the detector box at 3 points at the markings of the arrows Important IMPORTANT The direction arrows see the shape of the detector s base or the top of the housing must point in the same direction as the air flow in the duct End plug Stop screw Seal 5 Flow indicator The detector is equipped with an indicator a red plastic tab which when the detector is correctly installed ...

Page 4: ...resistance is 2 2kΩ from the control unit Check that the control unit is OK by installing the 2 2kΩ resistor in the smoke detector output on the control unit Use a voltmeter to check that 21 24 VDC with the cor rect polarity is in terminal 1 and terminal 2 10 8 9 The installation bracket is supplied flat The installation bracket is easy to bend shape so that it fits circular or flat ducts Secure t...

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