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Operation and Maintenance Manual
– SCD Smoke Dampers
Version 1
Date 04 2018
Page 41 of 81
2. TAVE 3 should be mounted so that it is placed in the fire gas stream, and the
socket for the cylinder screwing is located at the top.
3. Seal the threaded connections with Teflon tape or Loctite 243 liquid sealing, which
should only be applied on the outer thread of the connector.
4. Use only cylinders provided by Smay Sp. z o.o., because this determines the
validity of the Certificate.
Setting and operation:
1. Unscrew the pin tensioning bolt home.
2. Install the ampoule so that the sharp end of the ampoule is pointed towards the
nut in the ampoule fixture.
3. Tighten the nut home until resistance is felt, then additionally tighten the nut half a
turn, pressing the ampoule.
4. Tighten the pin tensioning bolt home.
5. Examine visually if the pin is placed below the thread level in the hole for the CO
2
cylinder.
6. 6. Slightly lubricate the gasket (o-ring) in the hole for the CO
2
cylinder.
7. Screw the CO
2
cylinder in.
8. After launching/triggering remove the empty CO2 cylinder (attention: there may
still be high pressure in the valve) and repeat the operations in order to set the
thermal trip again.
In systems carrying out the “B” “open-close” operating mode, TAVZ thermal trips are
used.
Channels marking:
VA
-
“Open” input
VZ
-
“Close” input
CA
-
“Open” output
CZ
-
“Close” output
Rys. 20. TAVZ thermal trip
Types of TAVZ thermal trips:
Type
Vent valve
A Cylinder thread
TAVZ 3.01
no
1/2" UNF (standard)
TAVZ 3.01-M
no
M18 x 1.5
TAVZ 3.01-F
no
W21.8 x 1/14"
CA CZ
VAVZ