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14. Before entering the dampers with manual control (design .01v1 and .01v2 into operation after their
assembly and by sequential checks, checks according 13. and following checks must be carried out.
Check of thermal protective fuse and closing mechanism.
Push initiation lever lock "OPEN" to release the control lever and check its displacement into the position
"CLOSED". Closing must be smart and the control lever must be firmly locked with a lever lock
"CLOSED". In case that the closing is not smart enough and the control lever is not locked with the ever
lock in the position"CLOSED", higher prestretch of the closing spring must be set by using new hole in
base plate or using new spring.
Proper function of the thermal fuse can be checked when the fuse is removed from the starting
mechanism. The initiation lever must be turned over and control lever is moved to position "CLOSED".
If this is not possible, then the starting mechanism spring must be checked or the base plate must be
replaced. The base plate is attached to the damper body with four M5 screws.
Displacing the damper blade into "OPEN" position is done the following way:
Push lever lock "CLOSED" and move control lever from "CLOSED" position towards position "OPEN"
until control lever is locked in lever lock "OPEN".
15. Before entering the dampers with actuating mechanism into operation after their assembly and by
sequential checks, checks according 13. and following checks must be carried out.
Check of blade displacement into the breakdown position "CLOSED" can be done after cutting off the
actuating mechanism supply (e.g. by pressing the RESET button at the thermoelectrical starting
mechanism BAE 72BS or cutting off the supply from ELECTRICAL FIRE SIGNALISATION). Check of
blade displacement back into the "OPEN" position can be done after restoration of power supply (e.g.
By releasing the RESET button or restoration of supply from ELECTRICAL FIRE SIGNALISATION).
16. Manual operation
Without power supply, the damper can be operated manually and fixed in any required position. Release
of the locking mechanism can be achieved manually or automatically by applying the supply voltage.
17. It is recommended to provide periodical checks, maintenance and service actions on Fire Equipment by
Authorized persons schooled by Producer.
18. All effective safety standards and directives must be observed during fire damper assembly.
1. Damper bodies are supplied in the standard design made of galvanized plate without any other surface
finish.
2. Damper blades are made of fire resistant asbestos free boards made of mineral fibres.
3. Damper controls are made of galvanized materials with no other surface finish.
4. Springs are galvanized.
5. Thermal protective fuses are made of sheet brass, thickness = 0.5 mm.
6. Fasteners is galvanized.
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