Acorn CONTROLS ST7017 Installation, Operation And Maintenance Instructions
- Type
- Installation, Operation And Maintenance Instructions
INSTALLATION, OPERATION AND MAINTENANCE INSTRUCTIONS
ST7017 (OMEGA) THERMOSTATIC MIXING VALVE
2. Please read this entire booklet before beginning the installation.
1. Please leave this documentation with the owner of the fixture when finished.
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.
NOTES TO THE INSTALLER:
fieldservice@acorneng.com
1.800.743.8259
FOR TECHNICAL ASSISTANCE
Date: 07/20/2020
Manual #7802-127-001
Model ST7017 (OMEGA)
WWW.ACORNENG.COM
P.O. BOX 3527
UNITED STATES OF AMERICA
CITY OF INDUSTRY, CA 91744
ACORN ENGINEERING COMPANY
Acorn Controls Division of Acorn Engineering Company®, A member of Morris Group International™
Federal
Public Law
111-380
(No Lead)
Patent #9,898,017
Page 2 of 6
ST7017 Installation & Operation Manual
5. Wrench and an Allen wrench.
2. Teflon tape for sealing water connections.
4. Supply connections.
1. Wall anchors, screws nuts and washers as
required.
3. Supply angle stops, ball valves optionally
available.
(Not provided by Acorn)
WARNING:
!
SUPPLIES REQUIRED:
Acorn Controls Division of Acorn Engineering Company®, A member of Morris Group International™
!
IMPORTANT
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 is
properly set.
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.
You are required to thoroughly read all installation
instructions and product safety information before
beginning the installation of this product.
Ÿ
Flush supply lines of all foreign material such as
pipe dope, chips or solder prior to connecting to
mixing valve.
Ÿ
Installation and field adjustment are the
responsibility of the installer.
Ÿ
To ensure proper installation, review the Manual
thoroughly to verify rough-ins before beginning
any work.
Ÿ
Maximum water pressure is 125 PSI (8.62
bars). Maximum inlet hot water temperature is
180°F (82°C). Temperature adjustment range*
is 95°F-130°F (35°C-54°C). Valve assembly
must be drained prior to being subjected to
freezing temperatures. Valve includes integral
check valves.
Manual #7802-127-001
Date: 07/20/2020
PRESSURE
DROP
10
(69)
9
(34)
15
(103)
11
(41.6)
20
(138)
13
(49.2)
30
(207)
15
(56.8)
45
(310)
19
(72)
60
(414)
22
(83.3)
5
(34)
6
(22.7)
FLOW RATE
GPM (LPM)
PSID (KPA)
CV
2.8
10
(37.9)
12
(45.4)
14
(53)
18
(68.1)
21
(79.5)
25
(94.6)
7
(26.5)
3.2
1/2" TUBE
FLOW RATE
GPM (LPM)
3/4" TUBE
Page 3 of 6
ROUGH-IN DIMENSIONS:
NOTE;
ALL DIMENSIONS ARE IN INCHES (MM).
Acorn Controls Division of Acorn Engineering Company®, A member of Morris Group International™
ST7017 Installation & Operation Manual
Manual #7802-127-001
Date: 07/20/2020
ADJUSTING
STEM
LOCKNUT
2
1
2
"
(64)
5
3
8
"
(137)
3
7
8
"
(96)
1
3
4
"
(45)
ST7017-34CPVC, SHOWN
DETAIL NOT TO SCALE
GASKET
ADAPTER
1-5/8" HEX
NUT
Page 4 of 6
4. Insert Tubing Adapter 3 onto the end of the
Tubing 4,
a. For -CU sweat Adapter 3 to Tube
6. Slowly turn on supplies, check for leaks and
tighten Hex Nut 2 if needed.
1. Locate mixing valve 1 in a suitable place
accessible for servicing and adjusting. Valve
should be as close as possible to point of use.
2. Thoroughly flush supplies.
3. Slide Brass Nut 2, onto supply and outlet
Tubing.
b. For -CPVC Glue Adapter 3 to end of tubing
using appropriate PVC Pipe Cement.
5. Insert Gasket 5 between Valve body 1 and
Adapter 3 then tighten Hex Nut 2.
INSTALLATION: ST7017-CU & -CPVC
Acorn Controls Division of Acorn Engineering Company®, A member of Morris Group International™
ST7017 Installation & Operation Manual
Manual #7802-127-001
Date: 07/20/2020
Detail - A Detail - B
TEMPERATURE ADJUSTMENT:
2. Turn on fixture so temperature can stabilize.
4. Tighten locknut 7 to prevent any unauthorized
or accidental temperature adjustment.
1. Using 5/8” 6 Wrench loosen Locknut 7.
Detail A
3. Using an 1/8” Allen Wrench 8, turn adjustment
stem 9 counter-clockwise for hotter or
clockwise for colder outlet temperature.
Detail B
5. Turn on fixture(s) and re-check temperature.
23 4
1
7
6
8
9
5
Page 5 of 6
4. Insert PEX Adapter 5 into Tubing 4 and tighten
Crimp Rings 3.
6. Slowly turn on supplies, check for leaks and
tighten Hex Nut 2 if needed.
3. Slide Brass Nut 2 and installer provided
Gripper/Clamp 3 onto the end of Tubing 4
5. Insert Gasket 6 between Valve body 1 and
Adapter 3 then tighten Hex Nut 2.
1. Locate Mixing Valve 1 in a suitable place
accessible for servicing and adjusting. Valve
should be as close as possible to point of use.
2. Thoroughly flush supplies.
Acorn Controls Division of Acorn Engineering Company®, A member of Morris Group International™
ST7017 Installation & Operation Manual
Manual #7802-127-001
Date: 07/20/2020
INSTALLATION: ST7017-PEX
TEMPERATURE ADJUSTMENT:
3. Using an 1/8” Allen Wrench 9, turn Adjustment
Stem 10 counter-clockwise for hotter or
clockwise for colder outlet temperature.
Detail B
5. Turn on fixture(s) and re-check temperature.
1. Using 5/8” 7 Wrench loosen Locknut 8.
Detail A
2. Turn on fixture(s) so temperature can stabilize.
4. Tighten Locknut 8 to prevent any unauthorized
or accidental temperature adjustment.
Detail - A Detail - B
2
5
4
1
7
9
10
6
3
8
Page 6 of 6
CAUSE SOLUTIONPROBLEM
1. SET POINT DIFFICULT TO SET OR
CANNOT BE REACHED
SUPPLY TEMPS NOT WITHIN
SPECIFIED LIMITS
HOT AND COLD SUPPLIES ARE
REVERSED
CHECK DIFFERENTIAL TEMPERATURE
BETWEEN SUPPLIES AND OUTLET
REINSTALL VALVE WITH SUPPLIES
CONNECTED TO MARKED INLETS
2. DOES NOT MAINTAIN OUTLET
TEMPERATURE OR CHANGES
FLUCTUATION IN SUPPLY
PRESSURES
CHECK VALVE/FILTERS BLOCKED
WITH DEBRIS
CHECK DIFFERENTIAL TEMPERATURE
BETWEEN SUPPLIES AND OUTLET
CLEAN CHECK VALVES/FILTERS
OVER TIME
3. DISCHARGE TEMPERATURE TOO
HOT OR TOO COLD
VALVE NOT ADJUSTED PROPERLY READJUST VALVE TEMPERATURE PER
INSTALLATION INSTRUCTIONS
4. CROSS FLOW CHECK VALVES FOULED CLEAN CHECK VALVES/FILTERS
5 NO FLOW FROM VALVE HOT AND COLD SUPPLY FAILURE
OR SHUTOFFS CLOSED
OPEN SHUTOFFS OR RESTORE HOT
AND COLD SUPPLIES
CHECK VALVE/FILTERS BLOCKED
WITH DEBRIS
CLEAN CHECK VALVES AND FILTERS
TROUBLESHOOTING:
PIPING DETAILS:
Acorn Controls Division of Acorn Engineering Company®, A member of Morris Group International™
ST7017 Installation & Operation Manual
Valve Specifications:
Maximum Operating Pressure: ...................... 125 PSI (861 kPa)
Flow Rate @ 45 PSI (310 kPa) differential:
Flow Rate: ...................................................... 24 GPM (91 LPM)
Minimum Flow Rate*: .................................. 0.25 GPM (1.0 LPM)
Maximum Hot Water Temp: .................................... 180°F (82°C)
Minimum Hot Water Supply Temp**: ........................... 5°F (3°C)
Above Set Point
Maximum Cold Water Supply Temp**: ........................ 5°F (3°C)
Below Set Point
Minimum Cold Water Temp: ...................................... 39°F (4°C)
Temperature Range*: ........................... 95°F-130°F (35°C-54°C)
SPECIFICATIONS:
* In accordance with ASSE 1070 and ASSE 1017 as certified by IAPMO
** Under Normal Operating Conditions
G The wetted surface of these valves contacted by consumable
water contains less than 0.25% of lead by weight in conformance
with national Lead-Free law.
Manual #7802-127-001
Date: 07/20/2020
TYPICAL SHOWER PIPING DETAIL
ST7017
VALVE
TYPICAL SINGLE TEMP LAVATORY PIPING DETAIL
HOT
WATER
SUPPLY
COLD
WATER
SUPPLY
HOT
WATER
SUPPLY
COLD
WATER
SUPPLY
ST7017
VALVE
SHOWER
VALVES
TYPICAL TWO HANDLE FAUCET PIPING DETAIL
HOT
WATER
SUPPLY
COLD
WATER
SUPPLY
ST7017
VALVE
-
1
-
2
-
3
-
4
-
5
-
6
Acorn CONTROLS ST7017 Installation, Operation And Maintenance Instructions
- Type
- Installation, Operation And Maintenance Instructions
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