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Tyco TY720 User manual

Page 1 of 2 AUGUST 2022 TFP325
Worldwide
Contacts
www.tyco-fire.com
IMPORTANT
Refer to Technical Data Sheet
TFP2300 for warnings pertaining to
regulatory and health information.
Always refer to Technical Data
Sheet TFP700 for the “INSTALLER
WARNING” that provides cautions
with respect to handling and instal-
lation of sprinkler systems and com-
ponents. Improper handling and
installation can permanently damage
a sprinkler system or its compo-
nents and cause the sprinkler to fail
to operate in a fire situation or cause
it to operate prematurely.
Scan the QR code or enter the URL
in a web browser to access the most
up-to-date electronic version of this
document. Data rates may apply.
docs.jci.com/tycore/tfp325
Model TY720
16.8 K-factor Pendent Sprinkler
Electronic Control
General
Description
The TYCO Model TY720 Pendent
Sprinkler is an electronically controlled
sprinkler having a nominal K-factor of
16.8. The sprinkler assembly is shown
in Figure 1.
The TY720 sprinkler is designed as an
integral component of the EAS-1 Elec-
tronically Activated Sprinkler System
for Storage Applications, a perfor-
mance-based system addressing
highly challenging high pile storage re
hazards. For more information about
the sprinkler system and the system
components, refer to technical data
sheet TFP360.
In place of a traditional heat-sensi-
tive glass bulb or solder element, the
TY720 sprinkler features an electronic
linear actuator and tensile link with
hook and strut arrangement holding a
button and seal against the waterway.
An AUTOPULSE Sprinkler Control Heat
Sensor paired with the TY720 sprinkler
is connected directly to the actuator
and is in continuous communication
with an AUTOPULSE EAS-1 Control
Unit.
The control unit software algorithm
analyzes information from heat sensors
in multiple locations and selects the
optimal response in a re event. An
electrical pulse is then delivered from
an algorithm-selected heat sensor to
its companion TY720 sprinkler, oper-
ating the actuator and breaking the
tensile link, allowing waterow from
the sprinkler.
NOTICE
The TY720 Sprinkler described herein
must be installed and maintained in
compliance with this document, as
well as with the applicable standards
of the National Fire Protection Associa-
tion (NFPA), in addition to the standards
of any authorities having jurisdiction.
Failure to do so may impair the perfor-
mance of these devices.
The owner is responsible for main-
taining their fire protection system
and devices in proper operating con-
dition. Contact the installing contrac-
tor or product manufacturer with any
questions.
Sprinkler
Identication
Number (SIN)
TY720
Technical
Data
Approvals
UL and C-UL Listed
Maximum Working Pressure
175 psi (12,1 bar)
Pipe Thread Connections
3/4 in. NPT
Discharge Coefficient
K=16.8 gpm/psi½(241,9 Lpm/bar½)
Finish
Natural Brass
Physical Characteristics
Frame .............................Brass
Deector. . . . . . . . . . . . . . . . . . . . . . . . . . Bronze
Compression Screw . . . . . . . . . . Stainless Steel
Hook.............................MONEL
Strut . . . . . . . . . . . . . . . . . . . . . . . . . . . . .MONEL
Tensile Link . . . . . . . . . . . . . . . . . . . . . . . Copper
Button.............................Brass
Sealing Assembly . Beryllium Nickel w/TEFLON
Ejection Spring. . . . . . . . . . . . . . . . . . . INCONEL
Electrical Actuator . . . . . . . . . . . . . . . . . . . Brass
Electrical Actuator Housing.....ABS/PC Resin
Temperature Rating
Temperature rating is determined by
the control unit and heat sensor paired
with the TY720 sprinkler.
For more information, refer to EAS-1
Electronically Activated Sprinkler
System for Storage Applications, tech-
nical data sheet TFP360.
Installation
Install the Model TY720 Pendent Sprin-
kler in accordance with this section.
General Instructions
Take care handling the sprinkler during
installation to avoid damage to the
actuator and tensile link. Hold the
sprinkler by the frame and wrench ats,
and do not grasp the actuator, when
hand-tightening into position.
TFP325
Page 2 of 2
NATIONAL FIRE PROTECTION ASSOCIATION and NFPA are registered trademarks of National Fire Protection Association;
MONEL and INCONEL are registered trademarks of Special Metals Corporation;
TEFLON is a trademark of The Chemours Company FC, LLC
1467 Elmwood Avenue, Cranston, RI 02910 | Telephone +1-401-781-8220
© 2022 Johnson Controls. All rights reserved. All specifications and other information shown were current as of document revision date and are subject to change without notice.
wrench twist/slippage, or the like, must
be replaced. Also, replace any sprinkler
that has a damaged actuator, tensile
link or other operative parts. For infor-
mation about replacing a sprinkler, see
Installation section.
The owner is responsible for the
inspection, testing, and mainte-
nance of their re protection system
and devices in compliance with
this document, as well as with the
applicable standards of the National
Fire Protection Association such as
NFPA 25, in addition to the standards
of any authorities having jurisdic-
tion. Contact the installing contrac-
tor or product manufacturer with any
questions.
It is recommended that automatic
sprinkler systems be inspected, tested,
and maintained by a qualied Inspec-
tion Service in accordance with local
requirements and/or national codes.
Limited
Warranty
For warranty terms and conditions, visit
www.tyco-re.com.
Ordering
Procedure
Contact your local distributor for avail-
ability. When placing an order, indicate
the full product name and Part Number
(P/N).
Sprinkler Assemblies
Specify: Model TY720, K=16.8, Elec-
tronic Control, Pendent Sprinkler,
natural brass, P/N 58-461-1-000
Sprinkler Wrench
Specify: W-Type 21 Sprinkler Wrench,
P/N 56-001-0-686
Care and
Maintenance
TY720 Sprinklers must be maintained
and serviced in accordance with this
section.
Submit 10 samples or 1% of the total
number of installed sprinklers, which-
ever is greater, to UL for testing 5 years
after manufacturing, then again at 10
years and followed by annual testing
after the tenth year. Sampling can be
from mock-installations not connected
to the re protection sprinkler system
but are located in the same orienta-
tion and environment as the system
sprinklers.
Before closing a re protection system
main control valve for maintenance
work on the re protection system that
it controls, permission to shut down the
affected re protection system must be
obtained from the proper authorities
and all personnel who may be affected
by this action must be notied.
Sprinklers which are found to be
leaking or exhibiting visible signs of
corrosion must be replaced.
Care must be exercised to avoid
damage to the sprinklers before,
during, and after installation. Sprin-
klers damaged by dropping, striking,
A leak-tight 3/4 in. NPT sprinkler joint
should be obtained by applying pipe-
thread sealant to the sprinkler threads
and wrench-tightening using only the
W-Type 21 Sprinkler Wrench shown in
Figure 2.
Sprinkler Installation
Install the Model TY720 Pendent Sprin-
kler only in the pendent position as
follows:
Step 1. Apply pipe-thread sealant to
sprinkler threads.
Step 2. Hold the sprinkler by the frame
and wrench ats, and do not grasp or
apply force to the actuator and tensile
link. Insert and hand-tighten the sprin-
kler into the sprinkler tting.
Step 3. Apply a W-Type 21 Sprinkler
Wrench to the sprinkler by fully seating
the wrench recess on the sprinkler
wrench ats shown in Figure 1.
Step 4. Wrench-tighten the sprinkler
to obtain a leak-tight joint either 1 to
1-1/2 turns beyond hand-tightened, or
by applying a minimum-to-maximum
torque of 10 ft-lb to 20 ft-lb (13,4 N∙m
to 26,8 N∙m).
NOTICE
Higher levels of torque may distort
sprinkler inlet with consequent leakage
or impairment of sprinkler.
Electrical
Actuator
Compression
Screw
Deector
Frame
Tensile Link
Button
Strut
Hook Sealing
Assembly
Ejection
Spring
-
-
-
-
-
-
-
-
-
-
10
3
2
1
5
6
4
9
8
7
Components:
1-7/8" (47,6 mm)
2
3
4
6
10
1
8
NOMINAL
WRENCH
MAKE-IN
FLATS
5
7
9
3-9/16"
(90,5 mm)
(12,7 mm)
1/2"
3/4"
NPT
FIGURE 1
MODEL TY720 ELECTRONIC CONTROL,
PENDENT SPRINKLER, 16.8 K-FACTOR
WRENCH
RECESS
"FITTING SIDE"
TOWARDS SPRINKLER
FITTING
FIGURE 2
W-TYPE 21
SPRINKLER WRENCH
TFP325
Change History Appendix
Worldwide
Contacts
www.tyco-fire.com
1467 Elmwood Avenue, Cranston, RI 02910 | Telephone +1-401-781-8220
© 2022 Johnson Controls. All rights reserved. All specifications and other information shown were current as of document revision date and are subject to change without notice.
ISSUE DATE NOTES
08-22
Page 1, added QR code and URL to allow convenient access to electronic version from printed docu-
ment; Page 2, changed corporate address and telephone number to 1467 Elmwood Avenue, Cranston,
RI 02910 | Telephone +1-401-781-8220, formerly 1400 Pennbrook Parkway, Lansdale, PA 19446 | Tele-
phone +1-215-362-0700.
03-19 Added C-UL Listed; Updated nomenclature to be consistent with other EAS-1 system technical literature.
08-18
Updated Tyco® branding and document format; Added Johnson Controls copyright; Added disclaimer
stating specications and information subject to change without notice; Added reference to Regulatory
and Health Warning Technical Data Sheet TFP2300.
04-17 New Technical Data Sheet TFP325 describes Model TY720 16.8 K-factor Pendent Sprinkler Electronic
Control.

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