ACORN ENGINEERING COMPANY
P.O. BOX 3527
CITY OF INDUSTRY, CA 91744
UNITED STATES OF AMERICA
WWW.ACORNENG.COM
SFET EMERGENCY THERMOSTATIC MIXING VALVE SUPPLY FIXTURE
Patent Pending
INSTALLATION, OPERATION AND MAINTENANCE INSTRUCTIONS
Model SFET Series
FOR TECHNICAL ASSISTANCE
1.800.743.8259
fieldservice@acorneng.com
Federal
Public Law
111-380
(No Lead)
NOTES TO THE INSTALLER:
1. Please leave this documentation with the owner of the fixture when finished.
2. Please read this entire booklet before beginning the installation.
3. Check your installation for compliance with plumbing and other applicable codes.
LIMITED WARRANTY
UNITED STATES AND CANADA
Acorn Controls warrants that its products are free from defects in material or workmanship under normal use and
service for a period of one year from date of shipment. Acorn's liability under this warranty shall be discharged solely
by replacement of repair of defective material, provided Acorn is notified in writing within one year from date of
shipment, F.O.B. Industry, California.
This warranty does not cover installation or labor charges and does not apply to materials, which have been
damaged by other causes such as mishandling or improper care or abnormal use. The repair or replacement of the
defective materials shall constitute the sole remedy of the Buyer and the sole remedy of Acorn under this warranty.
Acorn shall not be liable under any circumstances for incidental, consequential or direct charges caused by defects in
materials, or any delay in the repair or replacement thereof. This warranty is in lieu of all other warranties expressed
or implied. Product maintenance instructions are issued with each unit and disregard or non-compliance with these
instructions will constitute an abnormal use condition and void the warranty.
Acorn Controls Division of Acorn Engineering Company®, A member of Morris Group International™
Date: 04/01/14Manual #7802-119-000
SFET Installation & Operation Manual
WARNING:
!
You are required to thoroughly read all installation
instructions and product safety information before
beginning the installation of this product.
FAILURE TO READ AND FOLLOW PROPER
INSTALLATION AND MAINTENANCE
INSTRUCTIONS MAY RESULT IN PRODUCT
FAILURE WHICH CAN CAUSE PROPERTY
DAMAGE, PERSONAL INJURY AND/OR DEATH.
Acorn Controls is not responsible for damages
resulting from improper installation and/or
maintenance. Installation of this valve shall be in
accordance with Uniform Plumbing Code.
TO ENSURE ACCURATE AND RELIABLE
OPERATION OF THIS PRODUCT, IT IS ESSENTIAL
TO:
Ÿ Properly design the system to minimize
pressure and temperature variations.
Ÿ Implement an annual maintenance program
to ensure proper operation and temperature
setting of valve(s).
Ÿ This valve is factory preset. However, it can
be adjusted. It is the responsibility of the
installer and/or facility maintenance personnel
to make sure valve outlet temperature does
not exceed 95°F (35°C) after installation,
maintenance or repair.
Ÿ Installer MUST VERIFY operation of the Cold
Water By-Pass after completing installation
and temperature adjustments. Simulate a hot
water supply failure by closing the hot water
supply ball valve or by other means available.
Ÿ In circumstances where chemical reaction is
accelerated by flushing fluid temperature, a
medical advisor should be consulted for the
optimum temperature for each Application.
Ÿ Acorn's optional locking ball valves are the safe
and acceptable method for supply shut-off to this
product, unless installed in a lockable cabinet or
other means to prevent unauthorized supply shut
off. After initial set-up and after each ANSI and
ASSE required testing of this product be CERTAIN
to lock the Acorn or installer supplied ball valve
open. If installing supply shut-off valves by others,
you MUST follow ANSI Z358 and ASSE 1071
requirements that unauthorized supply shut off be
prevented.
Ÿ Verify that no single emergency fixture supplied by
this device has a minimum flow rate less than
1.5 gpm (5.7 lpm).
SUPPLIES REQUIRED:
(Not provided by Acorn)
1. Wall anchors, screws nuts and washers as
required.
2. Lead free solder and flux sealing water
connections.
3. Pipe fitting.
4. Wrench and an allen wrench.
!
IMPORTANT
Flush supply lines of all foreign material such as pipe
Ÿ
dope, chips or solder prior to connecting to mixing
valve.
To ensure proper installation review the manual
Ÿ
thoroughly to verify rough-ins before beginning any
work.
Installation and field adjustment are the responsibility
Ÿ
of the installer.
Maximum water pressure is 125 psi (8.62 bars).
Ÿ
Maximum inlet hot water temperature is 180°F
(82°C). Temperature adjustment range is 60-95°F
(15-35°C). Valve assembly must be drained prior to
being subjected to freezing temperatures. Valve
includes integral check valves.
ET71-1
12 GPM
(45 LPM)
ET71-2
43 GPM
(163 LPM)
ET71-3
86 GPM
(325.5 LPM)
ET71-4
150 GPM
(568 LPM)
PRESSURE
DROP
PSID (KPA)
FLOW RATE
GPM (LPM)
COLD WATER BYPASS ONLY
FLOW RATE
GPM (LPM)
COLD WATER BYPASS ONLY
FLOW RATE
GPM (LPM)
COLD WATER BYPASS ONLY
FLOW RATE
GPM (LPM)
COLD WATER BYPASS ONLY
CV
1.8
6.4
12.8
22.4
5
(34)
4
(15.1)
14.3
(54.1)
28.7
(108.6)
50
(189.2)
10
(69)
5.66
(21.4)
20.3
(76.8)
40.5
(153.3)
70.7
(267.6)
15
(103)
6.9
(26.1)
24.8
(93.9)
49.7
(188.1)
86.6
(327.8)
20
(138)
8
(30.2)
28.7
(108.6)
57.3
(217)
100
(378.5)
30
45
(207)
(310)
9.8
12
(37.1)
(45.4)
6.5
(24.5)
35.1
(132.9)43(162.8)
25
(94.6)
70.2
(265.7)86(325.5)
60
(227)
122
150
(461.8)
(567.8)
80
(302.8)
60
(414)
13.9
(52.6)
49.7
(188)
99.3
(375.9)
173
(654.8)
Acorn Controls Division of Acorn Engineering Company®, A member of Morris Group International™
Manual #7802-119-000
Page 2 of 7
Date: 04/01/14
ROUGH-IN DIMENSIONS:
"A"
"B"
SFET Installation & Operation Manual
"B"
"D"
"C"
SFET-T-T-ITG
SFET-1
SFET-2
SFET-3
SFET-4
INLET "A" "B" "C" "D"OUTLET
1/2"
1/2"
NCT NCT
3/4" 1"
NCT NCT
1" 1-1/4"
NCT NCT
1-1/4" 1-1/2"
NCT NCT
7-3/4"
(197)
10-3/4"
(273)
16-3/4"
(425)
17-1/4"
(438)
15"
(381)
18-5/8"
(473)
23"
(584)
23"
(584)
"G"
13"
(330)
15-5/8"
(397)
17-1/2"
(446)
17-7/8"
(454)
12-7/8"
(327)
17-1/8"
(435)
19-7/8"
(505)
23-1/8"
(587)
"E" "F"
10-5/8"
(270)
15-3/4"
(400)
18-3/4"
(476)
22-1/4"
(565)
7-7/8"
4-1/4"
(200)
(108)
9-5/8"
4-7/8"
(244)
(124)
12-5/8"
(321)6"(152)
13"
6-1/4"
(330)
(159)
"A"
SFET-B-B-ITG
"G"
"F"
"E"
"C"
"A"
NOTE;
ALL DIMENSIONS ARE IN INCHES (MM).
Acorn Controls Division of Acorn Engineering Company®, A member of Morris Group International™
Manual #7802-119-000
"A"
SFET-B-SL-ITGSFET-B-T-ITG
Page 3 of 7
Date: 04/01/14