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Page 6 of 6

 

CAUSE

SOLUTION

PROBLEM

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

Summary of Contents for CONTROLS ST7017

Page 1: ...n 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 the...

Page 2: ...e 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 su...

Page 3: ...trols 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 21 2 64 53 8 137 37 8 96 13 4 45 ST7017 34CPVC SHOWN DETAIL NOT TO SCALE GASKET ADAPTER 1 5 8 HEX NUT ...

Page 4: ...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 a...

Page 5: ...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 a...

Page 6: ...PING 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 C...

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