T-TAP Datasheet, PDF (2/2 Pages) Systemsensor advanced ideas. – Waterfl ow Detectors

T-Tap Waterflow Detector Specifications
Architectural/Engineering Specifications
Model shall be a WFDT or WFDTNR as manufactured by System Sensor. T-tap waterflow detectors shall be installed on a tee that has a 1˝ NPT branch including:
1˝, 1¼˝, 1½˝ or 2˝ threaded ferrous or brass tee; 1–2˝ copper sweat tees; Central, Spears,® and Victaulic® brand 1˝ CPVC tees; or 1½˝ polybutylene tee as designated
on the drawings and/or as specified herein. Detectors shall mount on any clear pipe span of the appropriate size, either a vertical or horizontal run at least 6˝ from
any fittings or valves which may change water direction, flow rate, or pipe diameter or no closer than 24˝ from a valve or drain. Detectors shall have a sensitivity
in the range of 4 to 10 gallons per minute and a static pressure rating of 250 psi. The retard t-tap detector shall be a sealed mechanical pneumatic unit with visual
indication of actuation. The actuation mechanism shall include a polyethylene vane inserted through the tee fitting and connected by a mechanical linkage to
the delay mechanism. The non-retard t-tap detector shall respond with no time delay to waterflow in the specified direction and range. Outputs shall consist of
dual SPDT switches (Form C contacts). Two conduit entrances (one of which is a knockout type) for standard fittings of commonly used electrical conduit shall be
provided on the detectors. A grounding provision is provided. All detectors shall be listed by Underwriters Laboratories for indoor or outdoor use.
Physical/Operating Specifications
Static Pressure Rating 250 PSI
Operating Temperature Range 32°F to 120°F (0°C to 49°C)
Maximum Surge
18 FPS
Enclosure Rating
UL indoor/outdoor rated
Triggering Threshold 4–10 GPM
Bandwidth (Flow Rate)
Cover Tamper Switch
UL models: optional P/N 546-7000
ULC/Canadian models: factory installed
Overall Dimensions,
Installed
WFDT: 4.5˝ H × 3.75˝ W × 6.7˝ L
(11.4cm H × 9.5cm W × 17cm L)
WFDTNR: 3.75˝ H × 3.25˝ W × 4.25˝ L
(9.5cm H × 8.2cm × W × 10.8cm L)
Service Use
Automatic Sprinkler: NFPA 13
One or Two Family Dwelling: NFPA 13D
Residential Occupancies up to 4 Stories: NFPA 13R
National Fire Alarm Code: NFPA 72
Contact Ratings
Two sets of SPDT (Form C)
10.0 A @ 125/250 VAC
2.5 A @ 24 VDC
Shipping Weight
WFDT: 2.6 lbs. (1.2 kg.)
WFDTNR: 1.5 lbs. (0.7 kg.)
Compatible Tee
Fittings
Threaded ferrous and brass tees, copper
Warranty
sweat tees, CPVC tees, and polybutylene tees
3 years
Conduit Entrances
Two openings for ½˝ conduit.
U.S. Patent Numbers
3,845,259; 4,782,333; 5,213,205
Electrical Connections for WFDT
Delay Adjustment Dial
T16-0010-XXX
•CAUTION•
ROUTE WIRING
B
AWAY FROM
COM
SHARP EDGES
& COPONENTS
COM ^A
SWITCH SCHEMATIC
•READY• STATE
COM
SWITCH 1 SWITCH 2
NOTE:
Common and B connections
will close when vane is
deflected, i.e., when water is
flowing. Dual switches permit
applications to be combined
on a single detector.
CONTACT RATINGS
125/250 VAC 10 AMPS
24 VDC
2.5 AMPS
To nonsilenceable
initiating zone
of listed FACP
WFDT/WFDTH
BB
COM
COM
WFDT/WFDTH
BB
COM
COM
Typical FACP Connection
end-of-line
resistor
Delay
adjustment
dial
MBTEIMREODNELDAIAYLINIS ^{SAEPCPORNODXSIMA}
45
To power
source
compatible
with bell
B
local
COM
bell
Break wire as shown for supervision
of connection. DO NOT allow
stripped wire leads to extend beyond
Typical Local Bell Connection
switch housing. DO NOT loop wires.
WFDT, WFDTH
switch assembly
NOTE: Retard time may exceed 90 seconds.
Adjust and verify that time does not exceed 90 seconds.
Ordering Information
UL Model
WFDT
WFDTNR
Accessories
A77-01-02
A77-01-08
A3008-00
PRK9
546-7000
S07-66-02
WFDW
WFDN4
C58-164-01
C58-195-01
ULC Model
Description
WFDTA
Waterflow Detector, Fits 1˝, 1¼˝, 1½˝, 2˝ ferrous and brass threaded tees; 1˝, 1¼˝, 1½˝, 2˝ copper sweat
tees; 1˝ CPVC tees; and 1½˝ polybutylene tees
WFDTNRA
Waterflow Detector, non-retard, fits same tees as Model WFDT
Description
Replacement terminal block for WFDT
Replacement terminal block for WFDTNR
Replacement retard mechanism
Replacement paddle kit – 12 paddles for WFDT and WFDTNR (see WFDT for sizes)
Cover tamper switch kit for WFDT
Replacement tamper screws for covers of WFDT, WFDTNR
Replacement tamper proof wrench for cover of WFDT, WFDTNR
NEMA-4 gasket kit
Replacement metal cover
Replacement plastic cover (WFDTNR)
Spears® is a registered trademark of the Spears Manufacturing Company. Victaulic® is a registered trademark of the Victaulic Company of America.
3825 Ohio Avenue • St. Charles, IL 60174
Phone: 800-SENSOR2 • Fax: [phone]
©2007 System Sensor.
Product specifications subject to change without notice. Visit systemsensor.com for
current product information, including the latest version of this data sheet.
A05-0195-011 • 4/07 • #1676