Tyco Central ESFR-25/WilFlow User manual

General
Description
The Model ESFR-25/WilFlow Freezer
Storage System is the outcome of a
collective technological effort between
Factory Mutual Research Corporation,
JRW Technologies, Inc., and Tyco Fire
Products. The system (Ref. Figure 1) is
intended for use in protecting high-
piled storage (e.g., palletized, solid
piled, or rack) within refrigerated ar-
eas. Without the need for a dry-pipe
system and/or in-rack sprinkler re-
quirements, the ESFR-25/WilFlow
Freezer Storage System provides
“suppression mode” versus “control
mode” fire protection, which had not
previously been available for refriger-
ated areas.
This system utilizes Model ESFR-
25/WilFlow Early Suppression Fast
Response Sprinklers with a nominal
K-factor of 25.2 GPM/psi1/2 (362.9
LPM/bar1/2) in conjunction with sprin-
kler pipe that is filled with a patented
non-freezing fluid (“JRW Technolo-
gies, Inc.” — WilFlow Fluid “B”) that
has been specifically tested and ap-
proved for use with the Model ESFR-
25/WilFlow Sprinklers. The WilFlow
Fluid “B” remains in a liquid state to
temperatures as low as -20°F/-29°C
and is maintained at a pressure of 172
psi (11,9 bar) in the system piping
above of the Model F200 Alarm Check
Valve.
The automatic pressure maintenance
of the WilFlow Fluid “B” is accom-
plished by the use of the Maintenance
Model ESFR-25TM/WilFlowTM Freezer Storage System:
Suppression Mode Fire Sprinkler Protection
For Storage In Refrigerated Areas
Technical Services: Tel: [phone] / Fax: [phone]
Page 1 of 16 TFP314
JULY, 2002
FIGURE 1
MODEL ESFR-25/WILFLOW FREEZER STORAGE SYSTEM
— TYPICAL SYSTEM ARRANGEMENT —
CHAIN AND DELIVERY
ALARM
VALVE
CHECK
PUMP AND TANK
FOR WILFLOW
MAINTENANCE
WITH OPERATING
TUBE
FLUID "B"
FLUID
SAMPLING VALVE
ESFR-25
SPRINKLERS
SPACE
FREEZER
(EXTERIOR
ROOM
TO FREEZER
SPACE)
VALVE
—IMPORTANT—
Tyco Fire Products requires that
installing contractors of the
ESFR-25/WilFlow Freezer Stor-
age System utilizing WilFlow
Fluid “B” be certified in proper
design, fabrication, installation,
and maintenance of the system.
Certification includes reference
to the Contractors Manual enti-
tled “Design, Installation, Fabri-
cation, and Maintenance of the
ESFR-25/Wilflow Freezer Stor-
age System Using Tyco Fire
Products ESFR-25/WilFlow
Sprinklers” dated July 2002. Con-
tact your local Tyco Fire Prod-
ucts sales representative for
more details.
Individuals responsible for the
design, fabrication, installation,
or maintenance of the ESFR-
25/Wilflow Freezer Storage Sys-
tem utilizing WilFlow Fluid “B”
must have an overall under-
standing of the system.
Customer Service/Sales:
Tel: [phone]
Fax: [phone]
TFP314
OBSOLETE

Pump and Tank Unit (“General Air
Products” — Model PLPS300-4B) lo-
cated adjacent to the riser. Mainte-
nance of the WilFlow Fluid “B” at a
higher pressure than the incoming
water supply helps assure that the sys-
tem piping remains free of water that
could compromise the effectiveness of
the WilFlow Fluid “B”.
Upon operation of the ESFR-
25/WilFlow Sprinklers during a fire
event, the WilFlow Fluid “B” is immedi-
ately discharged from the operated
ESFR-25/WilFlow Sprinklers, followed
by water from the system water supply
delivered through the F200 Alarm
Check Valve.
The F200 Alarm Check Valve and Trim
provide for fire alarms upon system
operation, as well as help with the pre-
venting of backflow of the WilFlow
Fluid “B”. The continuous groove of the
F200 Alarm Check Valve seat ring pro-
vides an open-to-atmosphere air gap
between the WilFlow Fluid “B” and the
system water supply.
Major advantages provided by the
Model ESFR-25/WilFlow Freezer Stor-
age System are as follows:
•Provides a suppression mode sprin-
kler system at low ESFR pressure
requirements.
•Permits the use of an ESFR type
system in a refrigerated area (an
ESFR system that requires the use
of water-filled pipe is not otherwise
an option for refrigerated areas).
•Allows for the protection of cold stor-
age over 25 feet (7,6 m) high without
the requirement for “in-rack” sprin-
klers.
•Eliminates the need for dry pipe
valves.
•Eliminates the possibility of ice-plug
formation within piping system.
•Eliminates the water delivery delay
times associated with dry pipe type
systems.
WARNING
The Model ESFR-25/WilFlow Freezer
Storage System described herein
must be installed and maintained in
compliance with this document, as
well as with the applicable standards
of the National Fire Protection Asso-
ciation, in addition to the standards of
any other authorities having jurisdic-
tion (e.g. Factory Mutual). Failure to
do so may impair the integrity of this
system and void the warranty.
Fluid contraction (resulting from a tem-
perature decrease) can result in water
inadvertently entering the sprinkler
system, compromising the effective-
ness of the fluid , freezing, and render-
ing the system inoperative. This condi-
tion would occur as a result of fluid
contracting more than the available
volume of make-up fluid on hand. A
low level switch is provided with the
PLPBS300-4B Tank and Pump Unit to
alert maintenance personnel to refill
the tank.
Fluid expansion (resulting from a tem-
perature increase) can result in over-
pressurization. Failure to relieve the
pressure in this condition can result in
mechanical damage to sprinklers and
pipe, as well as rendering the system
inoperative. This condition could occur
after initial pressurization of the sprin-
kler system, if the temperature of any
portion of the refrigerated area is to be
increased for maintenance purposes
and increasing pressure is not relieved
accordingly.
The owner is responsible for maintain-
ing their fire protection system and de-
vices in proper operating condition.
The installing contractor or manufac-
turer should be contacted relative to
any questions.
Technical
Data
Approvals
WilFlow Fluid “B” is FM Approved un-
der the name of JRW Technologies,
Inc. FM Approval is based on the
WilFlow Fluid “B being utilized in ac-
cordance with the applicable FM Loss
Prevention Data Sheets.
The ESFR-25/WilFlow Freezer Stor-
age System, when installed in accord-
ance with this technical data sheet,
meets the FM Approval requirements
for use of WilFlow Fluid “B”.
Refrigerated Area
Temperature Range
+10°F to -20°F (-12°C to -29°C).
Use of the fluid in temperatures lower
than -20°F can result in crystallization
and eventual freezing of the fluid within
the piping network, rendering the sys-
tem inoperable and possibly damaging
sprinklers and fittings. The crystal-
lization and eventual freezing could
lead to premature activation. Use of
the fluid in temperatures above +10°F
will result in a corrosion rate on the
brass sprinklers greater than accept-
able to Factory Mutual, reducing the
life of the sprinklers.
Page2of16 TFP314
FIGURE 2
MODEL ESFR-25/WILFLOW FREEZER STORAGE SYSTEM
— MODEL ESFR-25/WILFLOW EARLY SUPPRESSION FAST RESPONSE
PENDENT SPRINKLER ASSEMBLY —
1-Frame
2 - Deflector
3 - Compression Spring
4-Hook
5 - Strut
6 - Link Assembly
7 - Button
8 - Sealing Assembly
9 - Ejection Spring
2
3
6
4
5
9
8
7
1
1" NPT
(BOTH SIDES)
WRENCH FLAT
(96,8 mm)
3-13/16"
9/16" (14,3 mm)
NOMINAL MAKE-IN
2"
(
50,8 mm
)
TEMPERATURE
RATING
OBSOLETE

Maximum Water Supply Pressure
165 psi (11,4 bar).
WilFlow Fluid “B”
The WilFlow Fluid “B” non-freezing so-
lution for use within the parameters
called for with the ESFR-25/WilFlow
Freezer Storage System has been
specifically tested and approved by
Factory Mutual. Use of any other types
of fluids is not permitted within the
design guidelines of this system.
WilFlow Fluid “B” is derived from FDA
approved food additive technology. It is
non-toxic; biodegradable; non-flam-
mable; not classified dangerous for
transport; soluble in water; anti-micro-
bial (used as food additive); and, non-
carcinogenic. It may be disposed of as
wastewater when in conformance with
local regulations.
ESFR-25 WilFlow Sprinkler
The ESFR-25 WilFlow Sprinkler (Ref.
Figure 2) has a bronze frame with tef-
lon sealing assembly for the discharge
orifice that has a nominal K-factor of
25.2 GPM/psi1/2 (362.9 LPM/bar1/2).
These sprinklers are factory tested
specifically for use with the WilFlow
Fluid “B”. They are identified by having
black painted frame arms.
F200 Alarm Check Valve and Trim
The F200 Alarm Check Valve (Ref. Fig-
ure 3) has a cast iron body with annular
grooved bronze seat ring and an
EPDM clapper facing. When used in
the ESFR-25/WilFlow Freezer Storage
System, the F200 Alarm Valve is
trimmed with galvanized “Freezer
Trim” (Ref. Figure 4). The trim provides
all of the appropriate connections for
pressure gauges, main drain, alarms,
and WilFlow Fluid “B” maintenance.
The annular groove of the F200 Alarm
Check Valve provides an open-to-at-
mosphere air gap between the WilFlow
Fluid “B” and the system water supply.
Model PLPS300-4B Maintenance
Pump and Tank Unit
The Maintenance Pump and Tank Unit
(Ref. Figure 5) is provided as an as-
sembled unit with all appropriate con-
nections and controls.
The pump is a regenerative turbine
type pump. It is rated to supply 7 to 8
GPM at 165 psi (26,5 to 30,3 LPM at
11,4 bar). Pump voltage is 460 VAC/3
phase/60 Hz. The pump controls are
120 VAC/single phase/60 Hz. The con-
trols include dry contacts for supervi-
sory valve position switch and tank
low-level switch. The pressure switch
for the pump discharge is set for a
nominal shut off pressure of 172 psi
(11,9 bar).
The tank is a 60 gallon (230 litres)
vertical tank constructed of a high den-
sity Polyethylene and is equipped with
an outside and visible fluid level sight
indicator as well as an internal low fluid
level switch. The switch contains con-
tacts, which open when the tank level
drops to approximately 7 gallons (26,5
litres) remaining. The opening of these
contacts inhibits pump operation. A set
of dry contacts is provided at the panel
to activate a supervisory condition that
the pump has been shut down. The
tank is equipped with a 3/4 inch NPT
outlet at the base for connection to the
suction piping to the pump. The tank is
also equipped with a vent fitting as
appropriate; a 7 inch threaded cap;
and a 1 inch NPT threaded connection
for the tank fill line.
FIGURE 3
MODEL ESFR-25/WILFLOW FREEZER STORAGE SYSTEM
— MODEL F200 ALARM VALVE ASSEMBLY —
No. Description
1 Valve Body
2 Handhole Cover
3 Handhole Cover Gasket
No. Description
4 Seat Ring
5 Clapper w/Bushings
6 Clapper Facing
No. Description
7 Clapper Washer
8 Self-Locking Cap Screw
9 Hinge Pin
No. Description
10 Spring
11 Handhole Cover Bolts
12 3/8" NPT Plug
TFP314 Page 3 of 16
OBSOLETE

FIGURE 4
MODEL ESFR-25/WILFLOW FREEZER STORAGE SYSTEM
— MODEL F200 ALARM VALVE “FREEZER TRIM” ARRANGEMENT —
ALARM
TEST VALVE
CLOSED)
(NORMALLY
PRESSURE ALARM
RESTRICTION
ASSEMBLY
(SEE DETAIL)
DRIP
CONNECTION
TO DRAIN
1-1/4 INCH NPT
FUNNEL
FOR OPTIONAL
SUPERVISED
ELECTRICALLY
LOCATION
CONTROL
(BVS-1/2")
N.O. ALARM
VALVE
CONNECTION
FOR WATERFLOW
1/2 INCH NPT
SWITCH FOR WATER
MOTOR ALARM
3/4 INCH NPT
CONNECTION
GAUGE
1/2" NPT
(TYPICAL)
WITH 0.125"
RESTRTICTION
ORIFICE
(3.2 mm)
DRAIN
WITH 0.219"
RESTRTICTION
RESTRICTION ASSEMBLY
INLET
(5.6 mm)
ORIFICE
DETAIL
SCREEN
PRESSURE
VALVE
RELIEF
9
13
13
19
28
2
22
1
24
5
1
2
NO. QTY.DESCRIPTION P/N
92-343-1-005
46-005-1-002
46-050-1-004
46-048-1-009
92-211-1-005
1
2
4
5
6
7
300 psi/ 2000 kPa
1/4" Gauge Test
1/2" Ball Valve
1/2" Y-Strainer
2" Angle Valve
Drip Funnel
2
2
1
1
1
Water Pressure
Gauge
Valve
Connector
....
....
...........
............
........
9
92-211-1-003
Drip Funnel
1Bracket ..........
8
16
27
29
15
18
26
6
26
18
20
30
17
23
4
11
FUNNEL
TO DRIP
ROUTE
8
10
26
ALARM VALVE
1
Restriction
........
3
Assembly 92-210-1-005
1/4" 185 psi Pressure
1Relief Valve . . . . . . 92-343-1-026
1. . . . 52-353-1-005 1.....Reducing Tee
1
1/2" x 1/2" x 3/4"
Reducing Tee
20
.....
2
2
1
1
2
1
1
1
........Connector
3/4" Plug for 8 inch
1/2" x 1/4" x 1/2"
valves
1/2" Union
1/2" Tee
1/4" Tee
1/2" 90° Elbow
18
19
17
15
16
.........
.........
........
....
...........
and 6 inch valves
1/2" Plug for 4 inch14
..
1/4" Tubing
Drip Funnel10
11
.......
CH
92-343-1-007
QTY.DESCRIPTIONNO. P/N
2
1
1
1
2
2
1
1
1
1
27 1/2" x 2" Nipple . . . .
2" x Close Nipple31 . .
for 8 inch valves
for 6 inch valves
1/2" x 2-1/2" Nipple
1/2" x 4" Nipple
1/2" x 3" Nipple28
29
...
...
....
...........Nipple
1/2" x Close
...........
1/4" x 4" Nipple
1/4" x 2" Nipple
Nipple
24
25
....
....
1/4" x Close
2" x 2" x 1"
Reducing Tee
21
22
.....
QTY.DESCRIPTIONNO. P/N
MODEL F200
CH
CH
CH
CH
CH
CH
CH
CH
CH
CH
CH
CH
CH
CH
CH
CH
CH
CH
CH: Common Hardware
are Galvanized
All Fittings and Nipples
PRESSURE
SYSTEM
GAUGE
PRESSURE
SUPPLY
1/2" x 1-1/2" Nipple
for 4 inch valves . . . 1 CH
25
12
27
25
MAINTENANCE
PUMP AND TANK
CONNECTION FROM
1 INCH NPT
DRAIN VALVE
CONNECTION
2 INCH NPT
TO DRAIN
(NORMALLY
CLOSED)
MAIN
7
14
BY-PASS TRIM
31
21
31
PACKAGED of the Alarm Valve Seat Ring Groove as it applies
Pre-assembled By-pass Trim is packaged with the
to the ESFR-25 Freezer Storage System.
If installed, the By-pass Trim defeats the function
Model F200 Alarm Valve within the Valve Body.
Discard the By-pass Trim and, as indicated,
plug the Valve By-pass Ports with the Pipe Plugs,
Item 14, that are provided with the Freezer Trim.
DISCARD
WITHIN THE
MODEL F200
ALARM VALVE
PIPE
PLUGS
(ITEM 14)
14
1/2" x 4-1/2" Nipple
for 4 inch valves
1/2" x 2" Nipple
1/2" x 3" Nipple
for 6 inch valves
for 8 inch valves
30
CH...1
CH
CH
...
...1
1
12 1/4" Tube,
36" Long ......... CH1
23
13 CH1/4" Plug . . . . . . . . . 2 26 1/2" x 1-1/2"
Nipple . . . ........ CH3
3
Page4of16 TFP314
OBSOLETE

FIGURE 5
MODEL ESFR-25/WILFLOW FREEZER STORAGE SYSTEM
— MODEL PLPS300-4B MAINTENANCE PUMP AND TANK ASSEMBLY —
28"
(711,2 mm)
30"
(762,0 mm) (152,4 mm)
6"
VENT
TANK
CAP
7"
THREADED
TOP VIEW
PIPING DIAGRAM
VALVE
ISOLATION
TANK FILL
VENT
CONTROL
PANEL
TANK
SWITCH
LEVEL
TANK
GAUGE
LEVEL
VALVE
SUPPLY
ISOLATION
Y-STRAINER TURBINE PUMP
REGENERATIVE CHECK
VALVE
VALVE WITH
SUPERVISORY SWITCH
SYSTEM ISOLATION
PS
LS
ISOLATION
DISCHARGE
TANK
VALVE
N.O.
N.C.
N.C.
N.O.
SUPPLY
VALVE
ISOLATION
3/4" NPT
CONNECTION
LIQUID FILL
(177,8 mm)
7"
VALVE
CHECK
PUMP
13-1/2"
(342,9 mm)
LEFT SIDE VIEW
N.C.
N.O.
VALVE
ISOLATION
DISCHARGE
TANK
VIEW A-A
Y-STRAINERCONNECTION
FROM TANK TO
PUMP SUCTION
LINE
FOR FILLING
SUPERVISORY
N.O.
SWITCH
SYSTEM
VALVE WITH
ISOLATION
PUMP
FROM PUMP
TO TANK
DISCHARGE
CONNECTIO
N
ISOLATION VALVE
SUPPLY
N.C.
VALVE
N.O.
DISCHARGE
TANK
ISOLATION
66-5/8"
(1692,3 mm)
SYSTEM
SUPERVISORY
VALVE WITH
Y-STRAINER
ISOLATION
SWITCH
N.O.
FRONT VIEW
PRESSURE
TANK FILL
ISOLATION
VALVE
N.C.
SWITCH
CONTROL
PANEL
AA
VALVE
CHECK
N.C.
TANK FILL
VALVE
ISOLATION
PUMP
GAUGE
LEVEL
FRAME
SYSTEM
CONNECTION
1" NPT
TANK
LEVEL
SWITCH
TFP314 Page 5 of 16
OBSOLETE

Design
Criteria
NOTE
The ESFR-25/WilFlow Freezer Stor-
age Protection System is a variation
of the “Anti-freeze System” defined
in NFPA 13 or FM’s Data Sheet 2-8N.
However, this system has distinctly
different design criteria as de-
scribed as follows; consequently,
the design criteria for “Anti-freeze
Systems” defined in NFPA 13 or
FM’s Data Sheet 2-8N do not apply
and must not be utilized.
Installation - Layout and Design
Flow rates, pipe sizing, sprinkler spac-
ing, hanging methods, and system de-
sign for the ESFR-25/WilFlow Freezer
Storage System must be in accord-
ance with Factory Mutual guidelines
for ESFR Sprinklers (Data Sheets 2-2,
8-9, and 8-31).
Special consideration must be taken
when utilizing ESFR-25/WilFlow
Sprinklers near air handling units. Re-
fer to FM Data Sheet 2-2 for guidelines
and recommendations.
Commodity Classification
The Model ESFR-25/WilFlow Freezer
Storage System may be used to pro-
tect Class I, II, III, IV and cartoned
unexpanded plastics (excluding open
topcombustiblecontainersinracks
and all expanded plastics) commodi-
ties in open-frame racks or solid
piled/palletized (open or closed array).
Refer to Table A for maximum building
and ceiling heights.
The system may also be used to pro-
tect uncartoned unexpanded plastic
commodities (excluding open-top
combustible containers in racks) in
open frame racks or solid-piled/pallet-
ized (open or closed array). Refer to
Table B for maximum building and ceil-
ing heights.
Minimum Calculated Pressures
Refer to Table A or B, as applicable.
Pipe Sizing
Pipe sizing must be determined using
a hydraulic calculation program utiliz-
ing the Hazen-Williams formula to de-
termine friction loss in piping, as well
as utilizing the Darcy-Weisbach
method to account for the friction loss
through the piping system when flow-
ing viscous fluids. The calculation pro-
gram must be the FM recognized Tyco
Fire Products SprinkCalcTM Hydraulic
Program. (Also see “Hydraulic Calcu-
lations” below.)
Hydraulic Calculations
Hydraulic calculations shall be based
on both sets of the following calcula-
tions:
1) The hydraulically most demanding
12 ESFR-25/WilFlow Sprinklers oper-
ating, 4 each on three separate
branch-lines, supplying minimum
pressures per Table A or B. This calcu-
lation (assuming flow of water) must
use the Hazen-Williams formula for
friction loss, with a C-Factor of 120 or
the “Darcy-Weisbach” formula.
2) The hydraulically most demanding 6
ESFR-25/WilFlow Sprinklers; 3 sprin-
klers each on 2 branch lines, supplying
minimum pressures per Table A or B.
This calculation (assuming flow of
WilFlow Fluid “B”) must use the FM
recognized Tyco Fire Products Sprink-
Calc Hydraulic Program that is capa-
ble of automatically adjusting the pres-
sures to accommodate for the
increases in pressure requirements to
maintain the required flow for the vis-
cosity of WilFlow Fluid “B”.
TABLE A
HYDRAULIC DESIGN
PRESSURES
(To protect Class I, II, III, IV and
cartoned unexpanded plastics)
Maximum Maximum Minimum
Building Storage Design
Height, Height, Pressure,
Ft. Ft. PSI
(m) (m) (Bar)
45 40 50
(13,7) (12,2) (3,5)
40 35 40
(12,2) (10,7) (2,8)
35 30 30
(10,7) (9,1) (2,1)
30 25 20
(9,1) (7,6) (1,4)
TABLE B
HYDRAULIC DESIGN
PRESSURES
(To protect uncartoned
unexpanded plastics)
Maximum Maximum Minimum
Building Storage Design
Height, Height, Pressure,
Ft. Ft. PSI
(m) (m) (Bar)
40 35 50
(12,2) (10,7) (3,5)
Page6of16 TFP314
EXPANSION/CONTRACTION (GAL.)
2.442500
14.652
12.210
3000
1500
2500
2000
1000 4.884
7.326
9.768
100
50
0.488
0.244
9.7907.3484.884
APPROXIMATE FLUID
29.304
24.420
19.536
14.652
9.768
44.088
22.044
36.740
29.392
14.696
58.740
29.370
48.950
39.160
19.580
0.978
0.488
1.470
0.735
1.958
0.979
TEMPERATURE CHANGE
INITIAL
VOLUME
FLUID
(GAL.)
20°F 40°F 60°F 80°F
TABLE C
WILFLOW FLUID “B” EXPANSION/CONTRACTION
OBSOLETE

Low Point Drains
All piping must be pitched to drain back
to the riser. Low point drains shall be
installed where drainage back to the
riser cannot be accomplished. All fluid
is to be completely removed from low
points before a new batch of fluid is
loaded into the system.
Venting of Air
The system piping shall be vented of
air from trapped high points. Venting
may be accomplished by individual
vent valves or by a common line con-
necting high points and piped to a
common vent valve located at the high-
est point.
Fluid Sampling Valve Connection
A Fluid Sampling Valve Connection
(Ref. Figure 6) must be located at the
top of each system riser. The sampling
connection will facilitate implementing
the service requirements outlined in
the Care and Maintenance section.
Sprinklers & Di-electric Unions
Sprinklers are to be 165°F/74°C tem-
perature rated Model ESFR-
25/WilFlow Pendent Sprinklers. The
ESFR-25/WilFlow Sprinklers are to be
connected to the system piping via di-
electric unions (Ref. Figure 7). The di-
electric unions are to be brass by steel
with EPDM gaskets, P/N 54027, refer-
enced in the Ordering Procedure sec-
tion.
Riser Arrangement
The Riser Arrangement (Ref. Figure 8)
must be installed in an area not subject
to freezing (minimum temperature of
40°F/4°C). The Riser Arrangement is
to include a supervised System Con-
trol Valve; an F200 Alarm Check Valve
with ESFR-25/WilFlow “Freezer Trim”;
a supervised System Shut-off Valve
installed immediately above of the
F200 Alarm Check Valve; and, a Model
PLPS300-4B Maintenance Pump and
Tank Unit. Pipe from the Maintenance
Pump and Tank Unit to the Alarm
Check Valve shall be 1 inch, brass or
copper.
The use of a supervised System Shut-
off Valve installed immediately above
the F200 Alarm Check Valve will facili-
tate implementing the service require-
ments outlined in the Care and Main-
tenance section.
The contractor/installer needs to be
aware of condensation, which can oc-
cur on piping outside the freezer in
warmer areas. The condensation may
occur for a limited distance (pipe size,
temperature difference, etc. are con-
tributing factors) on the pipe. This phe-
nomena is typical with antifreeze fluids
in piping transitioning from cold to
warm areas. Appropriate steps to limit
this condensation must be considered.
TFP314 Page 7 of 16
A
FREEZER
INTERIOR
AND SAMPLING TUBE
OPERATING CHAIN
LENGTHS TO BE
ALLOW ACCESS
SUITABLE TO
FROM FLOOR
FREEZER
EXTERIOR
LOCATED AT
(MINIMUM 40°F)
OUTSIDE OF
FREEZER
TOP OF RISER
1/2" OUTLET
1/2" BALL
TEE HANDLE &
VALVE WITH COPPER
TUBE
1/4"
SIZE,
RISER
INCHES
MINIMUM,
DIM. A
INCHES
423
96
48
1.5 GALLON
ACCUMULATOR
VOLUME
OPERATING
CHAIN
SIZE
MINIMUM
ACCUMULATOR
FIGURE 6
MODEL ESFR-25/WILFLOW FREEZER STORAGE SYSTEM
— FLUID SAMPLING VALVE CONNECTION —
1" DI-ELECTRIC
BRASS & STEEL
UNION
BRASS
STEEL
ESFR-25
1" PIPE
NIPPLE
FIGURE 7
MODEL ESFR-25/WILFLOW FREEZER STORAGE SYSTEM
— TYPICAL SPRINKLER CONNECTION ARRANGEMENT —
OBSOLETE

Such steps might include, but not be
limited to, locating risers next to
freezer walls as opposed to the far wall
of a loading dock, where feed pipe
must cross over the loading dock area
and condensation may drip onto a
working loading dock floor.
Maintenance Pump and Tank Unit
Refer to the Maintenance Pump and
Tank Unit “Installation and Mainte-
nance Instructions” prepared by Gen-
eral Air Products for additional infor-
mation.
It is recommended that one Mainte-
nance Pump and Tank Unit be pro-
vided per riser header, assuming that
there are no more than five systems
supplied by this header.
NOTE
In the event that the water supply static
pressure exceeds 165 psi (11,4 bar) at
the Alarm Check Valve, a pressure-re-
ducing valve shall be installed in the
water supply to the riser.
Inspector’s Test Connection
An alarm test connection for this sys-
tem is provided as part of the Alarm
Check Valve “Freezer” trim. A re-
motely located Inspector’s Test Con-
nection for the function of performing
alarm tests is not required per NFPA
and must not be installed, since its use
would introduce water that would com-
promise the effectiveness of the
WilFlow Fluid “B”. Provisions for per-
forming alarm tests without affecting
the integrity of the WilFlow Fluid “B”
are provided in the Care and Mainte-
nance section.
WilFlow Fluid “B” Considerations
Fluid Contraction. Table C shows ap-
proximate WilFlow Fluid “B” expan-
sion/contraction volumes for various
temperature changes. (For example: If
a sprinkler system with a volume of
2000 gallons is filled with WilFlow Fluid
“B” when the temperature is 60F and
the facility is later brought down to its
operating condition of -20F (a differ-
ence of 80F), the temperature drop
results in the fluid contracting by ap-
proximately 39 gallons.) Therefore,
during a facility “cool-down” period, a
sufficient supply of fluid must be avail-
able to accommodate this contraction.
It is recommended that a 260 gallon
Intermediate Bulk Container (IBC) be
connected via the PLPS300-4B Unit,
with the Unit in the “AUTO” mode, dur-
ing this “cool-down” period to assure
that adequate fluid is available during
contraction. This recommendation is
especially critical when the fluid pres-
sure in multiple systems is maintained
by one PLPS300-4B Unit.
Fluid Expansion. Asnotedwithinthis
data sheet, fluid expansion can occur
during temperature increases. As an
option, the relief port of the Pressure
Relief Valve (Fig. 4 - Item 4) located on
the Alarm Check Valve can be piped to
a reservoir so that the fluid may be
captured during expansion and re-
used as necessary. This option can be
utilized to encompass temperature
changes in the temperature surround-
ing the riser, wherein a small amount
of expansion can be anticipated. The
reservoir is to be a closed top, clean
container. Use of a closed top con-
tainer will prevent the WilFlow Fluid “B”
from absorbing moisture out of the air.
NOTE
Expansion resulting from increasing
the temperature in the freezer may not
be able to be handled by the Pressure
Relief Valve. Consequently, it is rec-
ommended that the Pressure Relief
Valve itself not be relied on for large
amounts of fluid expansion as can be
anticipated by Table C.
Page8of16 TFP314
OBSOLETE

System
Materials
and Assembly
Proper materials must be utilized, and
proper assembly techniques must be
followed. Criteria with respect to pipe,
threaded fittings, welding, gasketed fit-
tings, and sprinkler connections are as
follows:
Pipe
•Pipe shall meet or exceed the re-
quired NFPA specifications for black
steel, minimum Schedule 10, pipe
(ASTM A 795; ANSI/ASTM A 53;
ASTM A 135).
•Proper end preparation of grooved
pipe must be employed. The groove
dimensions for both roll grooves and
cut grooves, as called for within the
Central Groove Piping Products
data sheet must be adhered to. The
end of pipe sealing surface shall be
free of score marks, ridges, indenta-
tions, projections, loose paint, scale,
dirt, chips, grease, rust, etc. that
would prevent a positive seal of the
grooved coupling gasket thereby al-
lowing for possible leakage past the
gasket.
•All threaded pipe shall have threads,
which meet ASME B1.20.1 - Pipe
Threads, General Purpose per the
requirements of NFPA 13.
•Threaded connections used to in-
stall the sprinklers into the system
such as welded outlets must be
checked for thread quality by using
thread gages. Quality checks for the
depth of the thread, lobbing of the
thread, truncation, etc. must be
made.
•Exposed threads and grooved ends
of pipe and fittings must be pro-
tected during transport to the jobsite
using thread/pipe caps to prevent
damage.
•Thread quality of pipe and fittings
must be checked prior to installation
to ensure that they are free of burrs,
thread shavings, thread damage,
chatter, or excessive tooling/stop
marks on threads.
Threaded Fittings
•Threaded fittings shall meet or ex-
ceed the required NFPA specifica-
tions for cast or malleable iron fit-
tings (ASME B16.4, ASME B16.1,
ASME B16.3).
•Di-electric unions shall be brass by
steel (brass end connected to brass
sprinkler) with EPDM gaskets, P/N
54027, referenced in the Ordering
Procedure section.
•Thread sealants must be non-sol-
vent type and must be applied as per
the thread sealant manufacturer’s
directions. Threads must be clean
and free of grease and cutting oils,
which can affect the cure and per-
formance of the sealant, before ap-
plication of thread sealants. Tyco
Fire Products requires the use of
Teflon tape or an anerobic pipe
sealant compound which when
cured will not harden and be subject
to shrinkage and cracking that can
cause leakage.
Welding
•Welding and welding practices shall
be in conformance to the require-
ments of NFPA 13. As such, all weld-
ing methods shall comply with the
requirements of AWS B2.1, Specifi-
cation for Qualification of Welding
Procedures and Welders for Piping
and Tubing.
•Per NFPA 13, “A welding procedure
shall be prepared and qualified by
the contractor/fabricator before any
welding is done. Qualifications of the
welding procedure to be used and
the performance of all welders and
welding operators is required and
shall meet or exceed the require-
ments of AWS B2.1".
•Per NFPA 13, 1999 edition, “Con-
tractors or fabricators shall be re-
sponsible for all welding they pro-
duce. Each contractor or fabricator
shall have available to the authority
having jurisdiction an established
written quality assurance procedure
ensuring compliance with the re-
quirements of 3-6.2.5".
•All welds and fabricated piping are
to be checked for integrity before
installation.
Gasketed Fittings
•Central Grooved Piping Products
have been specifically tested with
WilFlow Fluid “B” and are compat-
ible with the ESFR-25/WilFlow
Freezer Storage System.
•Only Central Grooved Piping Prod-
ucts grooved fittings and couplings
will be warranted against leaks
within the system. Rigid type
grooved couplings (Fig. 572 or 772)
with Tri-Seal Grade “E” EPDM cou-
pling gaskets must be used when
joining grooved sections of pipe and
fittings.
The use of rigid couplings prevents
excessive movement at the pipe or
fitting joints, which limits flexing of
the gaskets sealing these joints. In
cold applications, this “flexing” when
the gasket material has hardened
somewhat due to temperature, can
cause a leak path.
The use of the Tri-Seal Grade “E”
gaskets offers a third surface that
does not allow water to get trapped
in the standard gasket cavity after a
system trip and eventual drain down.
Trapping of water in this cavity will
result in freezing and eventual dam-
age to the gasket sealing capabili-
ties.
•A petroleum free silicone based lu-
bricant must be used. Do not use
petroleum/soap based lubricants.
Standard type gasket lubricants can
solidify or freeze, causing leakage.
•Proper end preparation of the
grooved pipe must be employed.
The groove dimensions for both roll
grooves and cut grooves, as called
for within the Central Grooved Pip-
ing Products data sheet must be ad-
hered to. The end of the pipe sealing
surface shall be free of score marks,
ridges, indentations, projections,
loose paint, scale, dirt, chips,
grease, rust, etc. that would prevent
a positive seal of the grooved cou-
pling gasket thereby allowing for
possible leakage past the gasket.
•Reducing couplings cannot be used
in ESFR-25/WilFlow Freezer Stor-
age Systems. These couplings are
flexible, not rigid, and do not accept
Tri-Seal type gaskets. Use concen-
tric reducing fittings with the appro-
priate sized rigid coupling at either
end when changing pipe sizes.
•Coupling installation procedures (in-
cluding the proper method of gasket
and housing installation) must be fol-
lowed as detailed within the most
recent versions of Central Grooved
Piping Products data sheets. Im-
properly installed gaskets can result
in “pinching” of the gasket resulting
in eventual leakage. As a reminder,
only Tri-Seal gaskets and rigid cou-
plings manufactured by Central
Grooved Piping Products are to be
use in ESFR-25/WilFlow Freezer
Storage Systems utilizing WilFlow
Fluid “B”.
Sprinklers
•The sprinkler pipe threads are to be
checked for damage, e.g., creases
or dents across the thread crest.
Sprinklers having damaged pipe
threads are not to be installed.
Sprinklers having damaged pipe
threads are to be replaced with
sprinklers having pipe threads in
good condition.
•Threaded connections used to in-
TFP314 Page 9 of 16
OBSOLETE

Page 10 of 16 TFP314
FIGURE 8
MODEL ESFR-25/WILFLOW FREEZER STORAGE SYSTEM
— RISER ARRANGEMENT —
5
3
1
7
2
6
8
4
VIEW A-A
A
A
TANK FILL ISOLATION VALVE, N.C.
TANK DISCHARGE ISOLATION
SUPPLY ISOLATION VALVE, N.C.
SUPERVISORY SWITCH, N.O.
SYSTEM ISOLATION VALVE WITH
WITH SUPERVISORY SWITCH)
SYSTEM SHUT-OFF VALVE (INDICATING
1/2" PRESSURE RELIEF VALVE
ALL PIPE AND FITTINGS FROM STORAGE
TANK TO ALARM VALVE SHALL BE BRASS
SUPPLY PRESSURE GAUGE
SYSTEM PRESSURE GAUGE
SYSTEM MAIN DRAIN VALVE
MAINTENANCE PUMP AND TANK
WITH SUPERVISORY SWITCH)
MODEL F200 ALARM CHECK VALVE
SYSTEM CONTROL VALVE (INDICATING
-
10
12
11
NOTE:
OR COPPER.
VALVE, N.O.
-
-
3-
9
8
7
6
5
4
-
-
-
-
-
-
1
2-
-
129
1011
OBSOLETE

stall the sprinklers into the system
such as welded outlets must be
checked for thread quality by using
thread gages. Quality checks for
depth of the thread, lobbing of the
thread, truncation, etc. must be
made.
•Do not wrench directly onto the nip-
ple that the di-electric union is at-
tached to. Hand tighten the top of the
di-electric union onto the nipple.
Tighten the nipple into the branch-
line fitting by wrenching on the
knurled portion of the top piece of
the di-electric union. (Do not try to
wrench on the nipple itself as this
short nipple is fully threaded , and
has no shoulder surface area for a
pipe wrench to hold. Wrenching on
the nipple will damage the threads,
resulting in possible fluid leakage.)
Install the bottom portion of the di-
electric union, making sure to hold
back on the upper portion of the un-
ion. Finally, install the sprinkler into
the bottom of the union.
•Do not over torque any sprinkler into
the mating fitting. Over torqueing
can result in distortion of the sprin-
kler frame and seat area, which can
cause sprinkler seal leakage or pre-
mature activation of the sprinklers.
•Use only the sprinkler wrench speci-
fied for the ESFR-25/WilFlow Sprin-
klers. Do not use an adjustable
wrench, pipe wrench, etc. on the
sprinkler. Wrenches that are not
specifically manufactured for auto-
matic sprinklers may slip off the
sprinkler wrench boss, resulting in
damage to the fusible element of the
sprinkler.
•When initially hand tightening the
ESFR-25/WilFlow Sprinklers into
the fitting, never squeeze around the
frame arms of the sprinkler. Tighten-
ing the ESFR-25/WilFlow Sprinkler
without using the wrench boss can
result in damage and dislocation of
the fusible element. The damage
and dislocation of the fusible ele-
ment can put the sprinkler into a very
“unstable” condition, resulting in ac-
tivation of the sprinkler.
This unstable condition can also re-
sult from banging of the sprinklers
on structural members while placing
the piping system through these
members. Before pressurizing the
sprinkler system, always look for
sprinklers which may show signs of
damage and potential instability.
Any sprinkler that is physically dam-
aged must be replaced prior to pres-
surizing of the sprinkler system.
•Thread sealants must be non-sol-
vent type and must be applied as per
the thread sealant manufacturer’s
directions. Threads must be clean
and free of grease and cutting oils,
which can affect the cure and per-
formance of the sealant, before ap-
plication of thread sealants. Tyco
Fire Products requires the use of
Teflon tape or an anerobic pipe
sealant compound which when
cured will not harden and be subject
to shrinkage and cracking that can
cause leakage.
Installation
NOTES
Proper operation of the ESFR-
25/WilFlow Freezer Storage System
depends upon its trim being installed
in accordance with the instructions
given in this Technical Data Sheet.
Failure to follow the appropriate trim
diagram may prevent the ESFR-
25/WilFlow Freezer Storage System
from functioning properly, as well as
void listings, approvals, and the manu-
facturer’s warranties.
The ESFR-25/WilFlow Freezer Stor-
age System Riser Arrangement must
be installed in a readily visible and
accessible location and must be main-
tained at a minimum temperature of
40°F/4°C.
The ESFR-25/WilFlow Freezer Stor-
age System is to be installed in accord-
ance with the following criteria:
Step 1. With reference to Figure 8,
assemble the Riser Arrangement.
Step 2. With reference to Figure 4,
assemble the “Freezer Trim”. All nip-
ples, fittings, and devices must be
clean and free of scale and burrs be-
fore installation. Use pipe thread
sealant sparingly on male pipe threads
only.
Step 3. Complete the drain connec-
tions from the Main Drain Valve and
Drip Funnel, as appropriate.
Step 4. Install a water motor alarm
and/or waterflow pressure alarm
switch, as applicable.
Step 5. With reference to the Mainte-
nance Pump and Tank “Installation and
Maintenance Instructions”, install the
Maintenance Pump and Tank, and
complete the 1 inch copper or brass
pipe connections from the Mainte-
nance Pump and Tank to the “Freezer
Tr i m ” .
Step 6. Make certain that the system
piping has been outfitted with Air Vent
Valve(s) and Fluid Sampling Valve
Connection per the plans provided by
the system designer.
Step 7. Make certain that the ESFR-
25/WilFlow Sprinklers are outfitted
with dielectric connections.
Step 8. Conduit and electrical connec-
tions are to be made in accordance
with the requirements of the authority
having jurisdiction and/or the National
Electric Code.
Step 9. The system is to be pressure
tested as follows:
NOTES
Donotusewatertoperformahy-
drostatic pressure test. The use of
water will require the undesirable need
for draining each sprinkler drop as
would be necessary to avoid the for-
mation of ice plugs that could ad-
versely affect the system perform-
ance.
When performing the hydrostatic pres-
sure tests, the Pressure Relief Valve
(Fig. 4 - Item 4) must be removed, the
tee (Fig. 4 - Item 17) must be plugged,
and the System Isolation Valve (Fig. 8
- Item 9) must be closed.
A. Before filling the system with
WilFlow Fluid “B”, it is recommended
that a pneumatic pressure test be per-
formed.
The system should initially be pressur-
ized to 40 psi (2,8 bar) using nitrogen.
The system must not have a pressure
loss after 24 hours.
In lieu of using nitrogen pressure, com-
pressed air may be used provided that
the air has been dried. Caution must
be taken to assure that the air is suffi-
ciently dry for the temperature condi-
tions that exist during the pressure test
so as to avoid the introduction of any
moisture into the system.
After a satisfactory pneumatic pres-
sure test, relieve the pneumatic pres-
sure.
B. After the system piping is filled with
WilFlow Fluid “B” following the System
Setting Procedure, temporarily pres-
surize the system to 222 psi (15,3 bar).
The system must be able to maintain
this pressure for 2 hours with no leak-
age. Loss shall be determined by drop
in gauge pressure or visual leakage.
The test pressure must be read from
the System Pressure Gauge located at
the Alarm Check Valve. A test pressure
of 222 psi (15,3 bar) is utilized since
this meets the requirements of NFPA
by testing at 50 psi (3,4 bar) in excess
of the 172 psi (11,9 bar) working pres-
sure provided by the Maintenance
Pump and Tank.
TFP314 Page 11 of 16
OBSOLETE

System
Setting
Procedure
The setup and filling of the system is
to be performed in accordance with the
following procedures:
Step 1. Confirm that the System Con-
trol Valve (Fig. 8 - Item 1) is closed and
that the the System Shut-off Valve (Fig.
8 - Item 3) is open.
Step 2. Confirm that the “On-Off-Auto”
Switch on the Pump and Tank Unit is
in “Off” position.
Step 3. Confirm that the system is
completely drained and that the Main
Drain Valve (Fig. 8 - Item 5) is closed.
Refer to the “Sprinkler System Drain-
Down” procedure in the Care and
Maintenance section.
Step 4. Confirm that the 1/4 inch
gauge test valves (Fig. 4 - Item 2) for
the supply and system pressure
gauges are open.
Step 5. Open the air vent valve located
on the remote cross main.
NOTE
If multiple vent/bleeder valves are in-
stalled, i.e. one in each bay of con-
struction, it is recommended that only
the valve most remote from the riser be
opened while filling the system with
WilFlow Fluid “B”.
Step 6. Close the System Isolation
Valve (Fig. 8 - Item 9), Tank Discharge
Isolation Valve (Fig. 8 - Item 11), Sup-
ply Isolation Valve (Fig. 8 - Item 10),
and Tank Fill Isolation Valve (Fig. 8 -
Item 12).
Step 7. Connect the Intermediate Bulk
Container (IBC) of WilFlow Fluid “B” to
the Supply Isolation Valve (Fig. 8 - Item
10). Use of a flexible hose is permit-
ted; however, do not restrict the flow
from the WilFlow IBC.
NOTE
Positive head pressure must be main-
tained at the pump inlet connection.
Step 8. Open the valve on the IBC, and
open the Supply Isolation Valve (Fig.
8 - Item 10) on the PLPS300-4B Unit.
Step 9. Open the System Isolation
Valve (Fig. 8 - Item 9).
Step 10. Switch the “On-Off-Auto”
Switch on the Pump and Tank Unit
control panel to the “On” position. Liq-
uid will begin to fill the system.
As each IBC is emptied and before the
flexible hose connection is emptied,
switch the the “On-Off-Auto” Switch on
the Pump and Tank Unit control panel
to the “Off” position.
NOTE
Positive head pressure must be main-
tained at the pump inlet connection.
Repeat Steps 6 through 10 until the
system is filled and discharge of aer-
ated fluid ceases at the remote vent
valve in the system. At this time, switch
the “On-Off-Auto” Switch on the Pump
and Tank Unit control panel to the “Off”
position and close the remote vent
valve.
Step 11. Close the System Isolation
Valve (Fig. 8 - Item 9).
Step 12. Fill the tank of the Pump and
Tank Unit by first opening the Tank Fill
Isolation Valve (Fig. 8 - Item 12).
Step 13. Switch the “On-Off-Auto”
Switch on the Pump and Tank Unit
control panel to the “On” position. Liq-
uid will begin to fill the tank of the Pump
and Tank Unit.
Step 14. When the tank of the Pump
and Tank Unit is filled, switch the “On-
Off-Auto” Switch on the Pump and
Tank Unit control panel to the “Off”
position, close the Tank Fill Isolation
Valve (Fig. 8 - Item 12), close the Sup-
ply Isolation Valve (Fig. 8 - Item 10),
open the Tank Discharge Isolation
Valve (Fig. 8 - Item 11), and open the
System Isolation Valve (Fig. 8 - Item 9).
Step 15. Switch the “On-Off-Auto”
Switch to the “Auto” position. The sys-
tem will pressurize to approximately
172 psi. Systematically open and close
each vent valve in the system piping,
working from the remote vent valve to
the vent valve nearest to the riser.
Close each vent valve after discharge
of aerated fluid ceases.
NOTES
The PLPS300-4B Maintenance Pump
incorporates a “built-in” 15 minute de-
lay between starts when in the “auto”
mode.
It is possible for air pockets/bubbles to
exist within a piping system even after
initial venting of air. It can, however,
take time for these pockets/bubbles to
migrate through a system-piping net-
work. The venting procedure is to be
performed again at least 24 hours after
the initial venting and then repeated
every 24 hours until air no longer dis-
charges from vent valves.
Step 16. Slowly open the System
Control Valve (Fig. 8 - Item 1). Deter-
mine the static pressure reading as
indicated on the Supply Pressure
Gauge (Fig. 8 - Item 7). Verify that
reading is a minimum of 7 psi (0,5 bar)
below the System Pressure Gauge
reading (Fig. 8 - Item 6).
Step 17. Perform an “Alarm Test” per
the alarm test procedures noted in The
Care and Maintenance section.
Step 18. Using the Fluid Sampling
Valve Connection (Fig. 6), confirm that
the specific gravity of the WilFlow Fluid
“B” is within tolerance of that published
by JRW Technologies, Inc. (See “Fluid
Inspection” in the Care and Mainte-
nance section for methods and proce-
dures for sampling of the WilFlow Fluid
“B”).
Upon confirming the required specific
gravity of the WilFlow Fluid “B”, the
system is now set for service.
NOTE
Refer to Step 15 regarding complete
air venting of the system.
Page 12 of 16 TFP314
OBSOLETE

Care and
Maintenance
The following procedures are to be
performed as indicated, in addition to
any specific requirements of the NFPA,
and any impairment must be immedi-
ately corrected.
The owner is responsible for the in-
spection, testing, and maintenance of
their fire protection system and de-
vices in compliance with this docu-
ment, as well as with the applicable
standards of the National Fire Protec-
tion Association (e.g., NFPA 25), in
addition to the standards of any
authority having jurisdiction. The in-
stalling contractor or product manufac-
turer should be contacted relative to
any questions.
It is recommended that automatic
sprinkler systems be inspected,
tested, and maintained by a qualified
Inspection Service.
NOTES
It is required that individuals responsi-
ble for care and maintenance of the
ESFR-25/WilFlow Freezer Storage
System develop an overall under-
standing of the system prior to per-
forming inspection and service proce-
dures. The instructions of this
technical data sheet as well as individ-
ual instructions for the Alarm Valve,
Switches, Maintenance Pump and
Tank, etc. must be reviewed.
The alarm test and main drain test
procedures, as well as performing the
service to determine the cause for
leakage from the alarm line drain, will
result in operation of the associated
alarms. Consequently, notification
must first be given to the owner and the
fire department, central station, or
other signal station to which the alarms
are connected.
When optional electrically supervised
alarm control valve is installed on
Alarm Valve Trim, and it was silenced
during operation, it must be re-opened
immediately after the fire protection
system is restored to service
Before closing a fire protection system
System Control Valve for maintenance
work on the fire protection system that
it controls, permission to shut down the
affected fire protection systems must
first be obtained from the proper
authorities and all personnel who may
be affected by this decision must be
notified.
The following procedures refer to the
ESFR-25/WilFlow Freezer Storage
System and are not all inclusive of
normal system maintenance. For
other system devices, such as main
control and shut-off valves, supervi-
sory devices, sprinklers, etc. refer to
NFPA 25 and individual manufacturers
instruction for information on appropri-
ate maintenance procedures and fre-
quency recommendations.
SYSTEM INSPECTION AND TEST
PROCEDURES
Leakage From Alarm Line Drain
Inspection
At least quarterly, inspect for leakage
from the Restriction Assembly (Fig. 4 -
Item 3) to determine the integrity of the
Alarm Check Valve Clapper Facing as
it relates to maintaining the WilFlow
Fluid “B” excess pressure over the
water supply pressure. If leakage is
present, refer to “Fluid Inspection” and
then determine the cause of leakage
by referring to the “Leakage from
Alarm Line Drain” under Service Pro-
cedures.
Alarm Test
At least quarterly, perform an alarm
test. Notify the proper authorities and
all personnel who may be affected,
that an alarm test is to be performed.
Step 1. Open the Alarm Test Valve.
(Fig. 4 - Item 5). Verify that the water
motor alarm and/or the pressure alarm
switch properly actuate and within the
elapsed time required by the authority
having jurisdiction.
Step 2. Verify that water is flowing out
of the alarm line drain at a rate consis-
tent with the 0.125-inch (3,2 mm) di-
ameter orifice in the Drain Restriction.
If the alarm line drain appears to be
clogged, determine the cause by refer-
ring to the “Clogged Alarm Line Drain”
under Service Procedures.
Step 3. Close the Alarm Test Valve.
Step 4. Verify that water ceases to flow
from the alarm line drain.
Step 5. Clean the 1/2-inch Y-Strainer
(Fig. 4 - Item 6). If a Water Motor Alarm
is being utilized, also clean the 3/4-
inch Strainer located at the connection
to the water motor alarm. Be sure to
replace the strainer baskets and
tighten the caps securely.
NOTE
Cleaning of the Strainers after each
operation of the alarms is especially
important in the case of water supplies
(such as lakes and rivers) having a
large quantity of suspended matter. A
clogged alarm line can prevent opera-
tion of the alarms.
Step 6. Notify all authorities responsi-
ble for monitoring the installation that
the fire protection system has been
returned to service.
Main Drain Test
At least annually perform a main drain
test. A main drain test (flow test) must
be performed as recommended by
NFPA 25. The following procedure
must be followed when performing a
main drain test for the ESFR-
25/WilFlow Freezer Storage System.
Step 1. Close the System Shut-off
Valve (Fig. 8 - Item 3) located above
the Alarm Check Valve.
Step 2. Record the pressure as indi-
cated on the Supply Pressure Gauge
(Fig. 8 - Item 7).
Step 3. Close the System Isolation
Valve (Fig. 8 - Item 9).
Step 4. Fully open the Main Drain
Valve (Fig. 8 - Item 5).
Step 5. After flow has stabilized, re-
cord the residual pressure as indicated
on the Supply Pressure Gauge (Fig. 8
- Item 7). Compare this reading to
previous readings, and correct any im-
pairments as necessary.
Step 6. Close the Main Drain Valve
(Fig. 8 - Item 5).
Step 7. Close the System Control
Valve (Fig. 8 - Item 1) located below
the Alarm Check Valve.
Step 8. Open Main Drain Valve (Fig. 8
- Item 5) again to drain the water be-
tween Alarm Check Valve clapper and
System Shut-off Valve located above
the Alarm Check Valve.
Step 9. Remove the Handhole Cover
(Fig.3-Item2)fromtheF200Alarm
Check Valve and remove any standing
water from inside the Alarm Check
Valve. While the Handhole Cover is
removed, take this opportunity to wipe
clean the Seat Ring (Fig. 3 - Item 4)
and Clapper Facing (Fig. 3 - Item 6)
with a clean cloth. After cleaning the
Clapper Facing and Seat Ring, replace
the Handhole Cover.
Step 10. Close Main Drain Valve (Fig.
8 - Item 5).
Step 11. Open the System Isolation
Valve (Fig. 8 - Item 9). (The Mainte-
nance Pump should momentarily op-
erate, re-pressurizing the system side
of the Alarm Check Valve.)
Step 12. Open System Shut-off Valve
(Fig. 8 - Item 3) located above the
Alarm Check Valve. (The Maintenance
Pump may momentarily operate, re-
pressurizing the system side of the
Alarm Check Valve)
Step 13. Slowly open the System Con-
TFP314 Page 13 of 16
OBSOLETE

trol Valve (Fig. 8 - Item 1) located below
the Alarm Check Valve.
Step 14. Notify all authorities respon-
sible for monitoring the installation that
the fire protection system has been
returned to service.
Fluid Inspection
NOTE
This system utilizes an FM Approved
non-freezing solution specifically
tested and approved by FM for use
within the strict parameters and re-
quirements as called for within this
data sheet. Proper periodic fluid in-
spection as recommended herein
must be performed to ensure system
integrity and performance, and is the
responsibility of the owner. It is recom-
mended that a qualified inspection
service perform these inspections.
At least quarterly, sampling of the
WilFlow Fluid “B” shall be taken from
the Fluid Sampling Valve Connec-
tion(s) and a measurement performed
on the specific gravity of the fluid shall
be taken.
If the specific gravity deviates from
that originally supplied (within the
allowed tolerance) for all three sam-
ples, the fluid must be replaced.
If the specific gravity deviates from
that of the supplied fluid for any of
the three samples, proper steps to
inspect and repair the Alarm Check
Valve must be taken.
NOTE
The Fluid Sampling Valve Connection
(Ref. Figure 6) acts as an accumulator
to trap any possible leakage of water
past the Alarm Check Valve. The vol-
ume of the Fluid Sampling Valve Con-
nection is such that it allows for up to
three samplings so as to not need-
lessly replace the WilFlow Fluid “B”
should a deviation of specific gravity
have been detected in the first one or
two samples.
The procedure for fluid sampling and
measuring must be performed as fol-
lows:
Step 1. Discharge a 1/2 gallon (1,9
litre) of fluid from the Fluid Sampling
Valve Connection (Ref. Figure 6). The
sample is to be collected into a clean,
dry, 3/4 gallon (2,8 litre) or larger con-
tainer and then sealed. Use of a closed
top container will prevent the WilFlow
Fluid “B” from absorbing moisture out
of the air, preventing an erroneous
reading.
Step 2. Allow sample to warm until
reaching a minimum temperature of
59F/15C in order to utilize Graph A.
Step 3. Perform a specific gravity test
using a Combined Form Hydrometer
and 500 ml Calibrated Graduated Cyl-
inder as outlined in Steps 4 through 6.
Step 4. After filling the 500 ml cali-
brated cylinder with WilFlow Fluid “B”,
gently insert the Combined Form Hy-
drometer into the cylinder and allow
the Hydrometer to float. If necessary
add fluid to the cylinder until the Hy-
drometer is floating.
Step 5. Note the temperature showing
on the thermometer portion of the Hy-
drometer. Also note the specific grav-
ity reading as shown on the Hydrome-
ter at the top of the fluid.
Step 6. Using Graph A, find the point
on the graph representing the tem-
perature and specific gravity readings.
This point must lie within the +1% and
-1% of the nominal curves shown.
Step 7. If the test results for the first
sample are within the allowed toler-
ance, the inspection has been com-
pleted. Otherwise proceed to Step 8.
Step 8. If the test results are not within
the allowed tolerance, Steps 1 through
6 may be repeated up to two additional
attempts. Appropriate specific gravity
measurement in any of the three sam-
ples confirms fluid integrity.
Pipe/Fittings/Sprinkler Inspection
Pipe, fittings, and sprinklers must be
inspected at minimum frequencies as
called for by NFPA 25. They shall be
free of mechanical damage, leakage,
and corrosion. Corrective action must
be taken immediately if any of these
conditions exist.
SERVICE PROCEDURES
Sprinkler System Drain-Down
Draining the sprinkler system must be
done in accordance with the following
procedures.
NOTES
If the system is being drained after a
system operation, as in the case of a
fire, and when the system has been
infiltrated with water, the water/fluid
drained from the system must be dis-
carded. Special consideration must
be given to draining all of the sprinkler
drops, as well as any low points. In
addition, inspect for and clear all ice
plugs, where system piping has been
exposed to freezing conditions and
when there has been a flow of water
into the system.
If the system is being drained for serv-
ice and water has not entered the sys-
tem, the WilFlow Fluid “B” may be
drained into a closed top, “clean, dry
and odorless” container, and used to
re-fill the system. It is the responsibility
of the container supplier to certify that
the container being used is “clean, dry
and odorless.” The use of containers
that do not meet these criteria could
introduce substances (including mois-
ture) back into the WilFlow Fluid “B”
that would be detrimental to the fluid
and system.
Step 1. Close the System Control
Valve (Fig. 8 - Item 1)
Step 2. Close the System Isolation
Valve (Fig. 8 - Item 9).
Step 3. Open vent valve(s) located at
the high points.
Page 14 of 16 TFP314
GRAPH A
NOMINAL SPECIFIC GRAVITY FOR WILFLOW FLUID “B”
AS A FUNCTION OF TEMPERATURE
(ACCEPTABLE TOLERANCE OF PLUS OR MINUS ONE PERCENT)
15°C 20°C 25°C 30°C
TEMPERAT
U
RE
1.274
1.258
1.262
1.266
1.270
SPECIFIC GRAVITY
1.278
(59°F) (68°F) (77°F) (86°F)
-1%
NOMINAL
+1%
OBSOLETE

Step 4. OpentheMainDrainValve
(Fig. 8 - Item 5).
Step 5. After drainage has completely
ceased from Main Drain Valve, open
and completely drain any low point
drains.
Step 6. Replace any sprinklers which
may have activated.
Leakage From Alarm Line Drain
Follow the steps indicated below until
water ceases to flow from the alarm
line drain. Check for the discontinu-
ation of the leakage after each step is
complete. Keep in mind however, that
alarms will sound during this proce-
dure.
Close the System Shut-off Valve (Fig.
8 - Item 3) to prevent drain-back of
WilFlow Fluid “B” during the following
steps.
Step 1. Close the System Isolation
Valve (Fig. 8 - Item 9).
Step 2. OpentheMainDrainValve
(Fig. 8 - Item 5). Let the water flow for
about 5 seconds before tightly re-clos-
ing the valve. This should flush any
loose debris that may have become
trapped between the Alarm Check
Valve Clapper Facing and the Seat
Ring.
Step 3. Repeat Steps 1 and 2 if the
rate of continued flow out of the drain
was noticeably reduced. If leakage
continues, proceed to Step 4. If leak-
age stops, reset the system by open-
ing the System Isolation Valve (Fig. 8 -
Item 9) followed by the System Shut-
off Valve (Fig. 8 - Item 3). The system
is now reset.
Step 4. Open the Alarm Test Valve
(Fig. 4 - Item 5) and allow the water to
flow for about 5 seconds before re-
closing the valve. This should flush out
any loose debris that may have be-
come trapped in the seating area of the
Alarm Test Valve.
Step 5. Repeat Step 4 if the rate of
continued flow out of the drain was
noticeably reduced. If leakage contin-
ues, proceed to Step 6. If leakage
stops, reset the system by opening the
System Isolation Valve (Fig. 8 - Item 9)
followed by the System Shut-off Valve
(Fig. 8 - Item 3). The system is now
reset.
Step 6. Slowly loosen the union in the
Alarm Test valve by-pass and deter-
mine whether the water is flowing from
the Alarm Port (Fig. 3) or past the
Alarm Test Valve. If the leakage is past
the Alarm Test Valve, close the System
Control Valve (Fig 8 -Item 1), and then
repair or replace the Alarm Test Valve
as necessary. Re-assemble the union
and reset the system by opening the
System Isolation Valve (Fig. 8 - Item 9),
opening the System Shut-off Valve
(Fig. 8 - Item 3), and opening the Sys-
tem Control Valve (Fig 8 -Item 1). The
system is now reset.
Step 7. If it appears the leakage noted
in Step 6 is from the Alarm Port, the
Clapper Facing in the Alarm Check
Valve is to be replaced and the Seat
Ring inspected as follows:
(A) Close the System Control Valve
(Fig. 8 - Item 1) and open the Main
Drain Valve (Fig. 8 - Item 5).
(B) Remove the Handhole Cover.
While holding the spring down by the
coils, remove the Hinge Pin. Remove
the Spring and Clapper Assembly (Fig
3-Items5,6,7,8,and10).
(C) Using a light, check for and remove
any debris that may have become
lodged within the Seat Ring groove.
Inspect the Seat Ring seat for any
damage. If the Seat Ring has become
dented across the seat, the valve must
be replaced. It is impractical to re-face
aSeatRinginthefield.
(D) Check for and remove any debris
which may have become lodged in the
Clapper Facing. If a minor imperfec-
tion remains in the Clapper Facing,
then turn it over after thoroughly clean-
ing both surfaces with a clean cloth.
Replace the Clapper Facing if neces-
sary. Be sure to securely re-tighten
the retaining screw for the Clapper
Washer.
(E) Replace the spring and Clapper
Assembly as shown in Figure 3 and
then while holding the coils of the
Spring down, re-insert the Hinge Pin.
Be sure that the Hinge Pin is pushed
all the way to the rear of the valve.
(F) Replace the Handhole Cover.
(G) Close the Main Drain Valve.
(H) Open the System Isolation Valve
(Fig. 8 - Item 9). (The Maintenance
Pump should momentarily operate, re-
pressurizing the system side of the
Alarm Check Valve.)
(I) Open System Shut-off Valve (Fig. 8
- Item 3) located above the Alarm
Check Valve. (The Maintenance Pump
may momentarily operate, re-pressur-
izing the system side of the Alarm
Check Valve)
(J) Slowly open the System Control
Valve (Fig. 8 - Item 1) located below
the Alarm Check Valve.
The system is now reset.
Clogged Alarm Line Drain
If water either does not flow or only
dribbles out of the alarm line drain
during an alarm test, then it is likely
that the screen protecting the drain
restriction orifice (Fig. 4 - Item 3) has
become clogged. Unscrew the Drain
Restriction from the Restriction As-
sembly and clean the screen by back
flushing.
NOTE
A clogged alarm line drain will increase
the likelihood of a false alarm in the
case of a variable pressure system.
TFP314 Page 15 of 16
OBSOLETE

Limited
Warranty
Products manufactured by Tyco Fire
Products are warranted solely to the
original Buyer for ten (10) years
against defects in material and work-
manship when paid for and properly
installed and maintained under normal
use and service. This warranty will ex-
pire ten (10) years from date of ship-
ment by Tyco Fire Products. No war-
ranty is given for products or
components manufactured by compa-
nies not affiliated by ownership with
Tyco Fire Products or for products and
components which have been subject
to misuse, improper installation, corro-
sion, or which have not been installed,
maintained, modified or repaired in ac-
cordance with applicable Standards of
the National Fire Protection Associa-
tion, and/or the standards of any other
Authorities Having Jurisdiction. Mate-
rials found by Tyco Fire Products to be
defective shall be either repaired or
replaced, at Tyco Fire Products’ sole
option. Tyco Fire Products neither as-
sumes, nor authorizes any person to
assume for it, any other obligation in
connection with the sale of products or
parts of products. Tyco Fire Products
shall not be responsible for sprinkler
system design errors or inaccurate or
incomplete information supplied by
Buyer or Buyer’s representatives.
IN NO EVENT SHALL TYCO FIRE
PRODUCTS BE LIABLE, IN CON-
TRACT, TORT, STRICT LIABILITY OR
UNDER ANY OTHER LEGAL THE-
ORY, FOR INCIDENTAL, INDIRECT,
SPECIAL OR CONSEQUENTIAL
DAMAGES, INCLUDING BUT NOT
LIMITED TO LABOR CHARGES, RE-
GARDLESS OF WHETHER TYCO
FIRE PRODUCTS WAS INFORMED
ABOUT THE POSSIBILITY OF SUCH
DAMAGES,ANDINNOEVENT
SHALL TYCO FIRE PRODUCTS’ LI-
ABILITY EXCEED AN AMOUNT
EQUAL TO THE SALES PRICE.
THE FOREGOING WARRANTY IS
MADE IN LIEU OF ANY AND ALL
OTHER WARRANTIES EXPRESS OR
IMPLIED, INCLUDING WARRANTIES
OF MERCHANTABILITY AND FIT-
NESS FOR A PARTICULAR PUR-
POSE.
Ordering
Procedure
All orders for ESFR-25/WilFlow
Freezer Storage System components
must include the description and Part
Number (P/N), where applicable.
WilFlow Fluid “B”:
Specify: (Quantity in U.S. Gallons) of
WilFlow Fluid “B”, P/N 540244.
NOTES
WilFlow Fluid “B” is shipped in an IBC
containing approximately 260 gallons.
Minimum order of 53 gallons is re-
quired.
WilFlow Fluid “B” is subject to expan-
sion and contraction with temperature
changes. Consideration must be given
to fluid contraction, which will occur
when the temperature in the refriger-
ated area is decreased to its eventual
operating condition. An adequate sup-
ply of spare WilFlow Fluid “B” must be
available on site to accommodate this
expected contraction. Refer to the De-
sign Criteria section for appropriate
expansion/contraction volumes.
ESFR-25/WilFlow Sprinklers:
Specify: 165° F, Model ESFR-
25/WilFlow Pendent Sprinkler factory
tested for use with WilFlow Fluid “B”,
P/N 58-441-1-165WF.
ESFR-25 Sprinkler Wrench:
Specify: W-Type 1 Sprinkler Wrench,
P/N 56-872-1-025.
Alarm Check Valve:
Specify: (size), (FxF, FxG, or GxG)
Model F200 Alarm Check Valve , P/N
(specify).
4 Inch FxF . . . . . . . . . . . . . . . P/N 52-200-1-013
6 Inch FxF . . . . . . . . . . . . . . . P/N 52-200-1-015
8 Inch FxF . . . . . . . . . . . . . . . P/N 52-200-1-016
4 Inch FxG . . . . . . . . . . . . . . . P/N 52-200-1-413
6 Inch FxG . . . . . . . . . . . . . . . P/N 52-200-1-615
8 Inch FxG . . . . . . . . . . . . . . . P/N 52-200-1-816
4 Inch GxG. . . . . . . . . . . . . . . P/N 52-200-1-113
6 Inch GxG. . . . . . . . . . . . . . . P/N 52-200-1-115
Freezer Trim:
(Ref. Figure 4):
Specify: Galvanized Freezer Trim for 4,
6, or 8 Inch Model F200 Alarm Check
Valve, P/N 52-201-2-049.
Maintenance Pump and Tank:
Specify: Model PLPS300-4B Mainte-
nance Pump and Tank,
P/N 54025.
Combined Form Hydrometer Kit:
Specify: Combined Form Hydrometer
Kit including 500 ml Calibrated Gradu-
ated Cylinder and Carrying Case,
P/N 54026.
Di-electric Union:
Specify: 1 inch FxF Brass x Steel Di-
electric Union, P/N 54027.
Weights:
The following are the nominal weights for
the valves and trim:
4 Inch (100 mm)
Model F200 F x F
Alarm Check Valve . . . . . . 62 lbs. (28,1 kg)
6 Inch (150 mm)
Model F200 F x F
Alarm Check Valve . . . . . . 93 lbs. (42,2 kg)
8 Inch (200 mm)
Model F200 F x F
Alarm Check Valve . . . . . . 167 lbs. (75,8 kg)
4 Inch (100 mm)
Model F2001 F X G
Alarm Check Valve . . . . . . 51 lbs. (23,1 kg)
6 Inch (150 mm)
Model F2001 F x G
Alarm Check Valve . . . . . . 78 lbs. (35,4 kg)
8 Inch (200 mm)
Model F2001 F x G
Alarm Check Valve . . . . . . 148 lbs. (67,1 kg)
4 Inch (100 mm)
Model F20 G X G
Alarm Check Valve . . . . . . 45 lbs. (20,4 kg)
6 Inch (150 mm)
Model F20 G x G
Alarm Check Valve . . . . . . 68 lbs. (30,9 kg)
Freezer Trim . . . . . . . . . . . . 24 lbs. (10,9 kg)
260 Gallon
Shipping Container
Of WilFlow Fluid “B”. . . . . . 2759 lbs. (1250 kg)
Maintenance Pump
and Tank Unit . . . . . . . . . . 429 lbs. (195 kg)
Page 16 of 16 TFP314
TYCO FIRE PRODUCTS, 451 North Cannon Avenue, Lansdale, Pennsylvania 19446
OBSOLETE