TFP1263
Page 2 of 6
Note:
This process can only be per-
formed when the solenoid on the vent
is energized and fire sprinkler system is
at normal operating pressure.
Step 6.
Push the grey knob back into
the regulator until it clicks into place.
Step 7.
Verify the timer settings inside
the electric control box. The settings
should be as follows:
• mode set to ‘E’
• scale set to ‘20, 30, 40, 50, 60’
• range set to ‘10h’
• timer knob set to ‘35’
If needed, a small flathead screwdriver
can be used to make the timer setting
adjustments.
Step 8.
Once the Nitrogen Generator is
commissioned, open the isolation ball
valve on the SMART Air Vent assem-
bly, turn the green power switch on the
electric control box to the ON position
and push the orange VENT button. The
VENT button illuminates indicating the
SMART Air Vent is in an active state.
Note:
The SMART Air Vent is now open
and actively purging oxygen from the
fire sprinkler system. It will remain open
for approximately 14 days. The orange
VENT button will turn off when the vent
is closed.
If the sprinkler system actuates or
another event introduces oxygen to
the sprinkler system, press the orange
VENT button to restart the purging
cycle.
Installation
The TYCO Model TSV-D SMART Air
Vent, Dry must be installed in accor-
dance with this section.
Step 1.
Install a 1 in. outlet (welded
or mechanical) to connect the vent
assembly to the sprinkler system on the
system side of the main control valve,
as shown in Figure 2. The isolation ball
valve shall remain in the closed position
until the Nitrogen Generator System is
commissioned.
Step 2.
Install the SMART Air Vent
assembly in a level position. Recom-
mended mounting height is between 5
ft to 10 ft (2 m to 3 m) above the fin-
ished floor.
Note:
Piping to the vent assembly
cannot be installed in a configura-
tion that would trap water and prevent
drainage to the sprinkler system; a
water trap impedes the ability of the
vent assembly to vent oxygen from the
fire sprinkler system.
Step 3.
The control box must be
installed on a wall or vertical surface
adjacent to the vent assembly installa-
tion location.
Step 4.
Provide conductors from
a 120 VAC/60 Hz (230 VAC/50 Hz)
power supply to the designated ter-
minals in the electric control box per
the NATIONAL FIRE PROTECTION
AGENCY (NFPA) standard NFPA 70
and local requirements as shown in
Figure 3
. The device draws less than
2 Amps. Holes must be drilled in the
control box for the 120 VAC/60 Hz (230
VAC/50 Hz) power supply conductors.
ELECTRIC
CONTROL BOX
VENT
ASSEMBLY
ON/OFF
SWITCH
VENT
SWITCH
FIGURE 1
MODEL TSV-D SMART AIR VENT DRY
COMPONENTS
Operation
The TYCO Model TSV-D SMART Air
Vent, Dry must be operated in accor-
dance with this section.
Step 1.
Verify the SMART Air Vent
assembly is equipped with a restricted
venting orifice downstream of the back-
pressure regulator.
Note:
If the vent assembly is not
equipped with a restricted venting
orifice, one will be provided by TYCO
during system commissioning. The
restricted venting orifice must be
installed before proceeding with steps
2 to 8.
Step 2.
Determine the low air alarm
pressure and the turn-on pressure of
the nitrogen generator.
Step 3.
Choose a pressure setting
for the backpressure regulator that
is 3 to 5 psig (0.2 to 0.3 bar) above
the low air alarm pressure but below
the turn-on pressure of the nitrogen
generator.
Step 4.
Pull the grey knob out from the
regulator to adjust pressure setting.
Turn the knob clockwise to raise the
pressure, counter-clockwise to lower
the pressure.
Step 5.
Close the isolation ball valve
and allow device to depressurize
through restricted venting orifice to
pressure setting. Make adjustment to
pressure setting using the knob, then
open the isolation ball valve to pressur-
ize device and close the isolation ball
valve again to check pressure setting.
Repeat process until desired pressure
setting is achieved.
