Manual 3752 Wash Basin

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Manual 3752 Wash Basin | Manualzz

INSTALLATION, OPERATIONS & MAINTENANCE MANUAL

Please visit www.acorneng.com for most current specifications.

MERIDIAN

MODEL

3752

CORTERRA

ADA-COMPLIANT

HI-LO DUAL BASIN

3752-HLL -HI-LO LEFT SIDE

HIGH SIDE CONFIGURATION

TABLE OF CONTENTS

Prior to Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2

Accessibility Comparison . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3

Dimensional Data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4

Rough-Ins . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 - 10

Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11 - 19

Piezo Adjustment. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20-22

Troubleshooting. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23 - 25

Cleaning and Maintenance. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26

Components & Repair Parts. . . . . . . . . . . . . . . . . . . . . . . . . . . . 26 -29

Warranty Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30

REQUIRED ITEMS FOR INSTALLATION - NOT SUPPLIED

?

Chalk Line

?

Teflon Tape

?

?

?

?

3/8” (12 Count) Fixture Wall Anchors and

Anchoring Hardware (and Appropriate Tools)

?

#10 (10 Count) Fixture Wall Anchors and

Anchoring Hardware (and Appropriate Tools)

?

?

Hammer

Carpenters Level

1/2" NPS Supply Angle Stops An

7/16" Hex Wrench

Plumbers Putty

Part #: 6215-370-000 Revised: 04/01/14

ACORN ENGINEERING FIELD SERVICE

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INSTALLATION, OPERATIONS & MAINTENANCE MANUAL

Please visit www.acorneng.com for most current specifications.

MERIDIAN 3752

Important: Some options may slightly alter installation. To ensure proper installation review the manual thoroughly and verify rough-ins before beginning any work. File this manual with the owner or maintenance personnel upon completion of installation.

Industry standard wall backing, for wall hung fixtures, is required. Installer provided wall anchors and wall anchoring hardware must be appropriate for wall construction, and have a minimum pull-out rating of 1000 lbs. (453.6 kg).

ANSI, UFAS or ADA compliance is subject to the interpretation and requirements of the local code authority and is the responsibility of the installer for verification.

Single Temp Valve Assembly: Recommended working water pressure is 30 psi (2.07 bars) minimum to 100 psi (6.89 bars) maximum. Maximum temperature is 130°F

(54.4°C). Maximum outlet temperature is recommended is 105°F (40.6°C). Valve assembly must be drained prior to being subjected to freezing temperatures. A checkstop is provided with this valve assembly.

T/P Mixing Valve Assembly: Recommended working water pressure is 30 psi (2.07 bars) minimum to 125 psi (8.62 bars) maximum. Maximum hot water temperature is 180°F

(82°C). Temperature adjustment range is 85-115°F (29-46°C). Valve assembly must be drained prior to being subjected to freezing temperatures. The valve assembly has checks integral to the inlets however, angle stops are to be provided by the installer.

Prior to installation, supply lines must be flushed of all foreign material such as pipe dope, chips, or solder. Debris or foreign material in water supply may damage valve.

Teflon tape is recommended on all threaded waste and supply connections to reduce the possibility of leaks.

Provide 110-120VAC/60Hz/3A (MAX) electrical receptacle for factory supplied

120VAC/9VDC, 100mA plug-in transformer.

NOTE: Receptacle(s) must be wired to a GFCI protected circuit. Fixture must be earth grounded per N.E.C. (National Electrical Code).

Part #: 6215-370-000

Page 2 of 30

Revised: 04/01/14

ACORN ENGINEERING FIELD SERVICE

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INSTALLATION, OPERATIONS & MAINTENANCE MANUAL

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ACCESSIBILITY COMPARISONS

22"

14

3

4

"

22"

MERIDIAN 3752

14

3

4

"

2"

2"

24

5

8

"

24

5

8

"

5"

27"

Min.

34" Rim

Max.

5"

24"

Min.

31" Rim

Max.

14

3

8

"

11

3

8

"

ADA

Adult

ADA ages

6 thru 12

22"

14

3

4

"

2"

24

5

8

"

5"

13

3

8

"

Part #: 6215-370-000

OBC

29"

Min.

33" Rim

Max.

Page 3 of 30

Revised: 04/01/14

ACORN ENGINEERING FIELD SERVICE

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INSTALLATION, OPERATIONS & MAINTENANCE MANUAL

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DIMENSIONAL DATA

MERIDIAN 3752

15"

60"

30"

22"

30"

4"

20

5

8

"

Part #: 6215-370-000

3752-HLR SHOWN

3752-HLL OPPOSITE

Page 4 of 30

Revised: 04/01/14

ACORN ENGINEERING FIELD SERVICE

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INSTALLATION, OPERATIONS & MAINTENANCE MANUAL

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ROUGH-IN DIMENSIONS -ADA (Adult)

60"

30"

4"

22"

4"

22"

MERIDIAN 3752

A

A

4"

6

1

4

"

34" Rim

Max.

23"

19"

D

A

2"

C

9"

A

4" TYP

15"

5"

B

7

1

2

"

B

17

1

2

"

31

1

2

"

13

1

4

"

1

3

4

"

26

1

2

"

15"

E

E

D

C

E E

F

E

E

E

5

7

8

"

E

1

3

4

"

21

3

8

"

E

E

16

1

8

"

26

1

2

"

13

1

4

"

3752-HLR SHOWN

3752-HLL OPPOSITE

A - Wall Anchoring for .563" Diameter x 1" Long, Angle Bracket Mounting Slots, 8 Places.

B - Supply Stub-Outs with Stops for Valve 1/2" NPT Hot & Cold Supply Inlets.

C - Waste Outlet for 1-1/2" O.D. P-Trap Provided.

D - 120VAC, 60 Hz, 3A (Max.) GFCI Protected, Electrical Receptacle.

E - Wall Anchoring for .219" Diameter x 3/8" Long, Enclosure Mounting Slots,10 Places.

F - Valve Mounting Area.

Part #: 6215-370-000

Page 5 of 30

Revised: 04/01/14

ACORN ENGINEERING FIELD SERVICE

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INSTALLATION, OPERATIONS & MAINTENANCE MANUAL

Please visit www.acorneng.com for most current specifications.

ROUGH-IN DIMENSIONS -ADA (Adult)

60"

22" 30"

4"

22"

4"

MERIDIAN 3752

A

4"

A

31

1

2

"

17

1

2

"

A

4" TYP

15"

5"

B B

7

1

2

"

2"

C

9"

A

D

6

1

4

"

19"

23"

34" Rim

Max.

26

1

2

"

1

3

4

"

13

1

4

"

E

E

E E

5

7

8

"

E

E

E

E

F

21

3

8

"

1

3

4

"

C

D

E

E

15"

13

1

4

"

26

1

2

"

16

1

8

"

3752-HLL SHOWN

3752-HLR OPPOSITE

A - Wall Anchoring for .563" Diameter x 1" Long, Angle Bracket Mounting Slots, 8 Places.

B - Supply Stub-Outs with Stops for Valve 1/2" NPT Hot & Cold Supply Inlets.

C - Waste Outlet for 1-1/2" O.D. P-Trap Provided.

D - 120VAC, 60 Hz, 3A (Max.) GFCI Protected, Electrical Receptacle.

E - Wall Anchoring for .219" Diameter x 3/8" Long, Enclosure Mounting Slots,10 Places.

F - Valve Mounting Area.

Part #: 6215-370-000

Page 6 of 30

Revised: 04/01/14

ACORN ENGINEERING FIELD SERVICE

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INSTALLATION, OPERATIONS & MAINTENANCE MANUAL

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ROUGH-IN DIMENSIONS -ADA

AGES 6 THRU 12 YEARS

60"

30"

4"

22"

4"

22"

MERIDIAN 3752

A

A

4"

6

1

4

"

31" Rim

Max.

20"

16"

D

A

2"

C

9"

A

4" TYP

15"

5"

B

7

1

2

"

B

14

1

2

"

28

1

2

"

13

1

4

"

1

3

4

"

26

1

2

"

15"

13

1

8

"

E

E

D

C

26

1

2

"

E

E

F

E

E

E

5

7

8

"

E

1

3

4

"

18

3

8

"

E

13

1

4

"

E

3752-HLR SHOWN

3752-HLL OPPOSITE

A - Wall Anchoring for .563" Diameter x 1" Long, Angle Bracket Mounting Slots, 8 Places.

B - Supply Stub-Outs with Stops for Valve 1/2" NPT Hot & Cold Supply Inlets.

C - Waste Outlet for 1-1/2" O.D. P-Trap Provided.

D - 120VAC, 60 Hz, 3A (Max.) GFCI Protected, Electrical Receptacle.

E - Wall Anchoring for .219" Diameter x 3/8" Long, Enclosure Mounting Slots,10 Places.

F - Valve Mounting Area.

Part #: 6215-370-000

Page 7 of 30

Revised: 04/01/14

ACORN ENGINEERING FIELD SERVICE

TOLL FREE 800-743-8259 • LOCAL 626-855-4866 • FAX 626-855-4863

INSTALLATION, OPERATIONS & MAINTENANCE MANUAL

Please visit www.acorneng.com for most current specifications.

ROUGH-IN DIMENSIONS -ADA

AGES 6 THRU 12 YEARS

60"

22"

4"

4"

30"

22"

MERIDIAN 3752

A

4"

A

28

1

2

"

14

1

2

"

A

4" TYP

15"

5"

B

B

7

1

2

" 9"

2"

C

A

6

1

4

"

D

16"

20"

31" Rim

Max.

26

1

2

"

1

3

4

"

13

1

4

"

E E E

E

F

5

7

8

"

E

E

C

15"

E

13

1

4

"

E

18

3

8

"

1

3

4

"

E

26

1

2

"

D

E

13

1

8

"

3752-HLL SHOWN

3752-HLR OPPOSITE

A - Wall Anchoring for .563" Diameter x 1" Long, Angle Bracket Mounting Slots, 8 Places.

B - Supply Stub-Outs with Stops for Valve 1/2" NPT Hot & Cold Supply Inlets.

C - Waste Outlet for 1-1/2" O.D. P-Trap Provided.

D - 120VAC, 60 Hz, 3A (Max.) GFCI Protected, Electrical Receptacle.

E - Wall Anchoring for .219" Diameter x 3/8" Long, Enclosure Mounting Slots,10 Places.

F - Valve Mounting Area.

Part #: 6215-370-000

Page 8 of 30

Revised: 04/01/14

ACORN ENGINEERING FIELD SERVICE

TOLL FREE 800-743-8259 • LOCAL 626-855-4866 • FAX 626-855-4863

INSTALLATION, OPERATIONS & MAINTENANCE MANUAL

Please visit www.acorneng.com for most current specifications.

ROUGH-IN DIMENSIONS -OBC

ONTARIO BUILDING CODE

60"

MERIDIAN 3752

30"

22"

6"

A

4" TYP

A

2"

C

33" Rim

Max.

22"

16

1

2

"

5"

B

7

1

2

"

B

9"

15"

D

4"

4"

A

18"

22"

A

4"

33"

13

1

4

" 26

1

2

"

1

3

4

"

E

E

E E

F

15"

C

E

E

6"

E

D

E E E

15

1

8

"

26

3

8

" 1

3

4

"

20

3

8

"

13

1

4

"

3752-HLR SHOWN

3752-HLL OPPOSITE

A - Wall Anchoring for .563" Diameter x 1" Long, Angle Bracket Mounting Slots, 8 Places.

B - Supply Stub-Outs with Stops for Valve 1/2" NPT Hot & Cold Supply Inlets.

C - Waste Outlet for 1-1/2" O.D. P-Trap Provided.

D - 120VAC, 60 Hz, 3A (Max.) GFCI Protected, Electrical Receptacle.

E - Wall Anchoring for .219" Diameter x 3/8" Long, Enclosure Mounting Slots,10 Places.

F - Valve Mounting Area.

Part #: 6215-370-000

Page 9 of 30

Revised: 04/01/14

ACORN ENGINEERING FIELD SERVICE

TOLL FREE 800-743-8259 • LOCAL 626-855-4866 • FAX 626-855-4863

INSTALLATION, OPERATIONS & MAINTENANCE MANUAL

Please visit www.acorneng.com for most current specifications.

ROUGH-IN DIMENSIONS -OBC

ONTARIO BUILDING CODE

60"

MERIDIAN 3752

22"

4"

33"

A

A

4"

4"

18"

30"

22"

A

A

4" TYP

6"

2"

C

D

15"

9"

B

7

1

2

"

B

5"

16

1

2

"

22"

33" Rim

Max.

26

1

2

" 13

1

4

"

1

3

4

"

E E E E

F

6"

E

E

C

15"

E E

E

D

E

13

1

4

"

20

3

8

"

1

3

4

" 26

3

8

"

15

1

8

"

3752-HLL SHOWN

3752-HLR OPPOSITE

A - Wall Anchoring for .563" Diameter x 1" Long, Angle Bracket Mounting Slots, 8 Places.

B - Supply Stub-Outs with Stops for Valve 1/2" NPT Hot & Cold Supply Inlets.

C - Waste Outlet for 1-1/2" O.D. P-Trap Provided.

D - 120VAC, 60 Hz, 3A (Max.) GFCI Protected, Electrical Receptacle.

E - Wall Anchoring for .219" Diameter x 3/8" Long, Enclosure Mounting Slots,10 Places.

F - Valve Mounting Area.

Part #: 6215-370-000

Page 10 of 30

Revised: 04/01/14

ACORN ENGINEERING FIELD SERVICE

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INSTALLATION, OPERATIONS & MAINTENANCE MANUAL

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FIXTURE ANCHORING

2

MERIDIAN 3752

2

4

1

4

3

FYI: Fixtures are shipped with wall mounting brackets pre-installed onto the fixture.

A.

Disassemble fixture from crate and remove

Angle brackets 1 from compliant station of fixture 2 . Loosen remaining angle brackets

3 but keep finger tight.

B.

Anchor the free angle brackets 1 to finished wall using installer provided ½” anchoring hardware (4 places). Level and plumb as required. All wall anchors and wall anchoring hardware are by others.

1

4

!

IMPORTANT

Compliant station portion of fixture refers to station(s) that are intended to meet ADA,

OBC or other accessibility standards required.

C.

Place fixture on mounted angle brackets 1 and align the remaining mounted angle brackets 3 with installed wall anchors. Fasten to wall loosely and proceed to step D.

D.

Secure compliant station portions of fixture 2 , (ADA, OBC etc...) to mounted angle brackets 1 with

¼-20 hex head cap screws, lock washers and fender washers 4 provided.

E.

Secure remaining mounted angle brackets 3 to wall & starting with the flat or requirement portion of fixture 2 adjust and level as required. Do not over tighten.

NOTE: It may be advantageous to install to the deck, faucets, soap dispensers or other accessories prior to wall mounting.

Part #: 6215-370-000

Page 11 of 30

Revised: 04/01/14

ACORN ENGINEERING FIELD SERVICE

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INSTALLATION, OPERATIONS & MAINTENANCE MANUAL

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MERIDIAN 3752

HINT: Teflon tape is recommended on all threaded waste and supply connections.

A.

install grid strainer and close elbow to bowl using plumber's putty.

1

4

4

3

5

2

3

À Grid Strainer w/ 1-1/2" -16

UNE Threads

Á Rubber Gasket

Â

Flat Fiber Washer

Brass Jam Nut

with 3/8" NPT Clean-Out Plug

NOTE: Continuous waste assembly will require field cutting and fitting by the installer.

6"

6"

3"

5"

30"

B.

Assemble continuous waste piping using teflon tape on all threaded connections and make up waste connections to 1-1/2” P-Trap.

Part #: 6215-370-000

Page 12 of 30

Revised: 04/01/14

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NUT

INSTALLATION, OPERATIONS & MAINTENANCE MANUAL

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MERIDIAN 3752

SPOUT INSTALLATION

1. Assemble spout to deck securing it with nut.

2. Assemble hose adapter to tube adapter and connect

to spout hose.

3. Connect 1/4” O.D. PE tubing from valve.

WASHERS

1/2" SPOUT HOSE

1/2" HOSE x

1/4" NPT

ADAPTER

1/4" NPT x 1/4" O.D.

TUBE ADAPTER

1/4" PE O.D. TUBING

1.

PUSH-IN FITTING INSTALLATION

NOTE: FITTINGS AND TUBE SHOULD BE KEPT

CLEAN, BAGGED AND UNDAMAGED PRIOR TO

INSTALLATION.

1. Cut to fit length of 1/4” PE tubing and remove any burrs or sharp edges. Ensure that the outside diameter is free from score marks. Tube ends should be square.

2. Firmly and fully insert the tubing end into the push-in fitting up to the tube stop located approximately 1/2” deep.

3. Pull on the fitted tubing to ensure it is secure. Tube should not come free from the fitting. Water test the connection assembly prior to leaving the site to ensure there are no leaks.

4. To disconnect the tube from the fitting ensure that the water supply is off. Push collet square towards the push-in fitting body and hold. While holding the collet in, pull on the PE tubing to remove from the push-in fitting.

2.

3.

4.

Part #: 6215-370-000

HOSE

ADAPTER

TUBE STOP

1/4" PE TUBING

COLLET

COLLET

Page 13 of 30

Revised: 04/01/14

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INSTALLATION, OPERATIONS & MAINTENANCE MANUAL

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VALVE INSTALLATION & ADJUSTMENT

MERIDIAN 3752

Valve Assembly Installation:

NOTE: Installation should be in accordance with accepted plumbing practices.

1) Locate suitable place for mounting the valve

assembly. Valve assembly should be

accessible for service and adjustment and

as close to the point-of-use as possible.

Wall anchors and anchoring hardware, for

Ø

3/8” mounting holes, provided by installer.

2) Connect hot and cold water to supply

valve using 1/2” NPTE connections.

3) Connect outlet of tempering valve to

spout(s) using 1/2” NPT connections

provided.

4) Turn on hot and cold water supplies. If any

leaks are observed, hand tighten

connections as necessary to stop leaks

before proceeding.

5) Turn on fixture and allow water to flow for 2

minutes. Measure water temperature at

outlet. If water is not at desired temperature,

adjust as necessary.

!

IMPORTANT

Flush supply lines of all foreign material such as pipe dope, pipe chips, solder, sand etc. before making up supply connections.

HINT: Angle stops are recommended and is the responsibility of the installer.

TEMPERATURE

STEM

WARMER

Part #: 6215-370-000

LOCKNUT

Temperature Adjustment:

1) Loosen locknut.

2) Turn on fixture and run water for at least 2

minutes. Allow supply temperature to

stabilize.

3) Turn temperature stem counter-clockwise

for hotter or clockwise for colder outlet

temperature.

4) Tighten locknut to prevent accidental or

unauthorized temperature adjustment.

5) Re-check outlet temperature.

Page 14 of 30

Revised: 04/01/14

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INSTALLATION, OPERATIONS & MAINTENANCE MANUAL

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MERIDIAN 3752

SENSOR OPERATION & CONNECTIONS -BATTERY OP

-SO-BAT

Sensor Operation Battery Powered

TRANSFORMER

RED

BLUE

SOLENOID VALVE

-SO SENSOR

-PPZ PUSHBUTTON

RED BLUE

Acorn does not provide batteries for -BAT units.

Each station requires (6) AA batteries.

To service or install batteries remove access panel by removing (4) 10-32 x 3/4" screws from front of fixture using allen head bit provided

(socket & driver by others).

Replace access panel when finished.

Part #: 6215-370-000

Page 15 of 30

Revised: 04/01/14

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INSTALLATION, OPERATIONS & MAINTENANCE MANUAL

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HAND OPERATION & CONNECTIONS

MERIDIAN 3752

-H Hand Operated

1/8" O.D. AIR TUBE

1/4" O.D. WATER LINE

Ferrule Nut

Do not over tighten ferrule nuts.

Timing Screw

To adjust timing, turn timing screw.

1/4"

Min.

Part #: 6215-370-000

Turn timing screw clockwise to increase timing.

Ferrule

Nut

Leave a minimum 1/4” of polyethylene tubing through the Ferrule Nut on the pushbutton assembly. This is necessary to ensure proper tubing connection.

Page 16 of 30

Revised: 04/01/14

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INSTALLATION, OPERATIONS & MAINTENANCE MANUAL

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SENSOR OPERATION & CONNECTIONS

-SO Sensor Operation

Range Adjustment

1. Make sure power supply is disconnected from sensor and make short circuit on red wires.

See DETAIL A.

2. Connect power supply to sensor. Red light should be flashing.

3. Move hand in front of sensor to distance of 2” to 4” within 5 seconds and wait until red light flashes quickly.

4. Move hand to desired sensing distance.

See DETAIL B.

5. Hold hand at desired sensing distance until red light stops flashing and solenoid activates.

See DETAIL C.

Jumper

By Others

DETAIL A

DETAIL B

DETAIL C

MERIDIAN 3752

-SO Sensor Operation or -PPZ Programmable Piezo Pushbutton

TRANSFORMER

RED

BLUE

SOLENOID VALVE

-SO SENSOR

-PPZ PUSHBUTTON

RED BLUE

Part #: 6215-370-000

Transformer must be plugged into a

GFI protected circuit. Fixture must be earth grounded per N.E.C. or applicable codes.

Page 17 of 30

Revised: 04/01/14

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INSTALLATION, OPERATIONS & MAINTENANCE MANUAL

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ACCESS PANEL INSTALLATION

Position bridge enclosure 5 over combined waste and accessory tubing and secure to wall.

All wall anchors and anchoring hardware provided by others.

MERIDIAN 3752

7

5

HINT: It may be advantages to install deck trim such as faucets, soap dispensers or other accessories prior to wall mounting.

HINT: For installation convenience: Trap enclosure support flanges 6 are intended to slide over support tabs 7 on angle brackets while securing enclosures to the wall.

6

8

Position station enclosures 8 aligning mounting points and secure with installer provided hardware.

Part #: 6215-370-000

Page 18 of 30

Revised: 04/01/14

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INSTALLATION, OPERATIONS & MAINTENANCE MANUAL

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MERIDIAN 3752

OPTIONAL ACCESSORY INSTALLATION & ASSEMBLY

!

WARNING

Some soaps contain corrosive additives that can cause rust in soap dispensers. Acorn Engineering Company recommends user/ maintenance personnel review MSDS reports of soap and possible corrosive additives noted.

A.

Install soap reservoir to wall inside trap enclosure using mounting brackets provided as shown. Wall anchors and anchoring hardware provided by installer.

B.

Install soap filler assembly to deck as shown.

Mounting

Bracket

C.

Attach 1-1/4" O.D. refill tube to soap filler assembly and soap reservoir with provided hose clamps.

Soap Filler

Plug

D.

Install soap dispenser(s) onto deck by aligning

Anti-Rotation Pin with Key Hole. NOTE: Gasket and Washer are located beneath the deck.

E.

Attach 3/8" O.D. Tubing to the dispenser(s) and reservoir. NOTE: Check Valve must be field spliced into tubing and installed with respect to direction of flow.

Rubber Gasket

3/8" O.D.

Tubing

Anti-Rotation

Pin

Rubber

Gasket

Washer

Black end of

Check Valve

3/8" Nut

3/8" O.D.

Tube

Direction of Flow

HINT: For best results, install soap reservoir directly below soap filler hole on deck with refill tube as short and straight as possible.

Part #: 6215-370-000

Page 19 of 30

Revised: 04/01/14

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INSTALLATION, OPERATIONS & MAINTENANCE MANUAL

Please visit www.acorneng.com for most current specifications.

MERIDIAN 3752

Programable Piezo Pushbutton

Programming Instructions

(Flow Time Adjustment)

The Button is factory set an 8 sec. timing cycle, if an 8 sec. cycle is adequate, then no programming adjustment is required.

NOTE: Read the entire document before trying to program the piezo pushbutton.

THE TIME SETTINGS PROGRAM USES 3 DIFFERENT TIMING MODES:

1 second timing mode: Each push of the button adds 1 second to the total timing cycle.

5 second timing mode: Each push of the button adds 5 seconds to the total timing cycle.

20 second timing mode: Each push of the button adds 20 seconds to the total timing cycle.

To program the piezo pushbutton, you will need to be able to see the back of the piezo pushbutton.

Prevision must be made to access the back of the piezo pushbutton. There is an LED on the back of the piezo pushbutton under a layer of transparent epoxy, used as a programming indicator light.

NOTE: This programming procedure moves along rapidly, there is only about 2 or 3 seconds between programming operations.

In order to start the programming the piezo pushbutton, the button must be powered down. Disconnect the red power cable and wait 20 seconds, then reconnect the red power cable.

As soon as the cable is reconnected the LED will start flashing, it will flash 4 times, then stays on for 3 seconds.

During the 3 second period, push the piezo button once, the LED will go out, now you are in the 1 sec timing mode and each time the button is pushed the LED will flash, adding 1 sec to the total timing cycle.

To move on to the 5 sec timing mode, pause and wait for the LED to flash 2 times, now you are in the 5 sec timing mode. Each time the button is pushed the LED will flash, adding 5 sec to the total timing cycle.

To move on to the 20 sec timing mode, pause and wait for the LED to flash 3 times, now you are in the 20 sec timing mode and each time the button is pushed the LED will flash, adding 20 sec to the total timing cycle. After programing is complete, pause and wait for the LED to flash 4 times and then 5 times, which completes the programming.

When a timing mode is not required then do not push the button and wait for the next timing mode.

Each timing mode (1 sec, 5 sec or 20 sec timing mode) can be sequenced up to 100 times, that is the number of times, the button can be pushed, to increase the total timing cycle in each timing mode.

Part #: 6215-370-000

Page 20 of 30

Revised: 04/01/14

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INSTALLATION, OPERATIONS & MAINTENANCE MANUAL

Please visit www.acorneng.com for most current specifications.

MERIDIAN 3752

Programmable Piezo Pushbutton

Programming Instructions

(Flow Time Adjustment)

WORKSHEET

(FILL IN ALL BOXES, WHICH WILL SIMPLIFY THE PROGRAMMING PROCEDURE)

Fill in all the

Boxes below

PROGRAMING STEPS:

Power down piezo button for 10 seconds.

Determine the number of seconds per timing cycle

Ÿ

Reconnect power.

Ÿ

LED flashes, then stay on.

Ÿ

While the LED is steady on, push button.

Ÿ

LED turns off.

1 Push = 1 Second x 1 = sec

ADD

1 Push = 5 Seconds x 5 = sec

ADD

1 Push = 20 Seconds x 20 = sec

EQUALS

Total timing cycle equals

Ÿ

You are in the 1 sec timing mode, immediately push the button, 1 push equals 1 sec added to the total timing cycle.

Ÿ

Pause and wait for the LED to flash 2 times.

Ÿ

You are in the 5 sec timing mode, immediately push the button, 1 push equals 5 sec added to the total timing cycle.

Ÿ

Pause and wait for the LED to flash 3 times.

Ÿ

You are in the 20 sec timing mode, immediately push the button, 1 push equals 20 sec added to the total timing cycle.

seconds

Part #: 6215-370-000

Page 21 of 30

Revised: 04/01/14

ACORN ENGINEERING FIELD SERVICE

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INSTALLATION, OPERATIONS & MAINTENANCE MANUAL

Please visit www.acorneng.com for most current specifications.

MERIDIAN 3752

TROUBLE SHOOTING FOR 9 VOLT DC SENSOR OPERATED VALVES

Normal Valve Function: 9 Volt DC sensor operated valve has flow time of 90 seconds maximum.

To reactivate, the user must move out of and return to the sensing area.

CONDITION: WATER DOES NOT FLOW

Indicators

Sensor flashes continuously every 2 seconds when hands are within range.

Probable Cause

Low battery warning

Solution

Replace battery

Sensor does not flash when the user’s hands are within range.

Sensor flashes once when user’s hands are within range.

Circuit breaker tripped.

Battery completely used up.

Defective 9V DC transformer

Transformer polarity crossed

Unit is in “Security Mode” after

90 seconds of constant detection.

Range is too short.

Range is too long.

Sensor is picking up a highly reflective surface.

Defective sensor.

Stops or water main closed.

Bad sensor to solenoid connection.

Debris or scale in solenoid assembly.

Debris or scale in diaphragm.

Debris or scale in strainer.

Reset circuit breaker

Replace battery

Replace transformer.

Replace transformer (sensor may be damaged and need replacement).

Remove sources of detection and wait 30 seconds before checking.

Increase range.

Decrease range and wait 30 seconds.

Eliminate cause of reflection and wait

30 seconds before checking.

Replace sensor.

Open stops or water main.

Ensure wires make proper contact.

Remove solenoid, pull out plunger and spring, and clean with scale remover solution or pressurized air.

Remove diaphragm and clean

Remove strainer and clean.

CONDITION: FALSE TRIGGERING;

WATER FLOWS CONTINUOUSLY

Indicators

Sensor flashes when user’s hands are within range.

Sensor does not flash when users hands are within range.

Probable Cause

Debris or scale in diaphragm

Diaphragm is defective or torn.

Sensor is dirty or covered.

Range too long or highly reflective surface, sunlight, bright lights etc. are triggering sensor.

Solution

Remove diaphragm and clean.

Replace diaphragm.

Clean or uncover sensor and wait 30 seconds.

Decrease range and wait 30 seconds.

Eliminate cause of reflection or correct lighting problem.

CONDITION: WATER FLOWS

CONTINUOUSLY BUT STOPS

WHEN HANDS ARE WITHIN RANGE

Indicators Probable Cause

Water runs continuously when sensor not activated. Sensor flashes when hands are within range and water shuts off.

Solenoid polarity crossed.

Solution

Disconnect solenoid and reverse polarity.

Part #: 6215-370-000

Page 23 of 30

Revised: 04/01/14

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INSTALLATION, OPERATIONS & MAINTENANCE MANUAL

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MERIDIAN 3752

TROUBLE SHOOTING FOR OPTIONAL PUSHBUTTON OPERATED VALVES

Normal Valve Function: Hand pushbutton operated valve has an adjustable flow time from

5 to 60 seconds.

CONDITION: WATER DOES NOT FLOW

Probable Cause

Water main closed.

Checkstops closed.

Air leaks from 1/8” O.D. tubing or fittings.

Pushbutton air diaphragm leaks.

Servomotor diaphragm center hole is blocked.

Servomotor upper diaphragm is damaged.

Low or no water pressure at supplies.

Solution

Open water main.

Open checkstops.

Remove checkstop strainer and clean.

Replace damaged tubing or fitting.

Replace pushbutton air diaphragm.

Remove blockage.

Replace servomotor upper diaphragm.

Increase water pressure to 30 PSI minimum.

CONDITION: WATER DRIPS, WON'T SHUT OFF

Probable Cause

Servomotor diaphragm offset hole is blocked.

Servomotor seat is damage

Servomotor plate or diaphragm is obstructed.

Servomotor timer assembly is damaged.

Solution

Remove blockage.

Replace servomotor seat.

Remove cause of obstruction.

Replace servomotor timer assembly.

CONDITION: REDUCED WATER FLOW

Probable Cause

Valve riser tubing is crimped.

Blockage in valve flow control.

Low water pressure at supplies.

Lime deposits in hot water pipes.

Solution

Straighten valve riser tubing.

Remove checkstop strainer and clean.

Remove blockage.

Increase water pressure to 30 PSI minimum.

Remove lime deposits with appropriate cleaning solution.

CONDITION: PREMATURE WATER SHUT OFF

Probable Cause

Air leaks from 1/8" O.D. tubing or fittings.

Pushbutton air diaphragm leaks.

Solution

Replace damaged tubing or fitting.

Replace pushbutton air diaphragm.

Part #: 6215-370-000

Page 24 of 30

Revised: 04/01/14

ACORN ENGINEERING FIELD SERVICE

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INSTALLATION, OPERATIONS & MAINTENANCE MANUAL

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CARE, CLEANING, AND REPAIR

OF CORTERRA SOLID SURFACE

CORTERRA SOLID SURFACE

Acorn's densified solid surface material is composed of recycled solid-surface polymer resin, aluminum trihydrate and fillers. It is resistant to stains, impact and burns and complies with ANSI Z124.3. It is attractive, durable and easy to maintain.

ROUTINE CLEANING

Corterra should be kept clean at all times. If maintained,

Corterra surfaces will retain their new, clean appearance indefinitely. Wash with a non-abrasive all purpose cleaner and water, then rinse. Wipe dry. (Never use cleaners with strong chemicals such as toilet bowl cleaners, rust removers, ceramic cook top cleaners, laquer thinners or oven cleaners). To remove persistent stains use a Scotch

Brite pad and an abrasive cleaner or a solution of household bleach and water (1 part water to 1 part bleach).

REPAIRING SURFACE DAMAGE

Surface damage, such as minor chips, scratches, burn marks and graffiti can be repaired with a fine grit abrasive cleanser, such as a Scotch-Brite pad or fine grit sandpaper.

For more serious physical damage caused by vandals, an

Acorn Solid Surface Repair Kit is available. Contact the factory for details. Refer to drawing #9927-160-002.

SOAP SYSTEMS

Acorn soap reservoirs and dispensers provide a dependable operation over long term when proper maintenance is performed and the correct soap is being used. The most common problem with soap systems is that the wrong viscosity (thickness) of soap is being used or high acidic pH levels are in the ingredients. Soap thickness can be best explained as no thicker or thinner than normal household liquid dish soap. The pH level of the soap should be 6.5 to

8.5; more acidic soaps will corrode the metal parts and degrade rubber or plastic components.

Soap reservoirs and dispensers should be maintained periodically to clear residue. This should be done in hot water to clean the internal components. The valve should be pumped multiple times to thoroughly clean any residue inside. The reservoir and tubing should also be flushed and cleaned with hot water. In cases of extreme clogs, the dispenser should be disassembled and the parts thoroughly cleaned.

WARNING: Some soap contains corrosive additives that can cause rust on stainless steel surfaces. Acorn recommends user/ maintenance personnel review MSDS reports of soap and possible corrosive additives noted.

MERIDIAN 3752

RECOMMENDED CLEANING SOLUTIONS

- Hand dishwashing liquid/soft water solution

- Mild soap/soft water solution

- 3M Stainless Steel Cleaner/Polish

- White vinegar/soft water solution

(for brightening, removing oil and

hard water deposits)

- CLR Brand Cleanser or baking soda/soft

water solution (for brightening, removing

hard water deposits)

- Club soda and sponge

FOR HIGH POLISH STAINLESS STEEL

Note: High polish stainless steel surfaces should never come into contact with any abrasive cleaning brush, cloth or cleaning agent.

To remove smudges and fingerprints:

Wipe surfaces with a quality Stainless Steel Cleaner/Polish.

Apply using a soft non-abrasive cloth, wipe surfaces with stainless steel cleaner/polish.

To remove rust stains:

Wipe surfaces with CRES (available from Acorn) or equivalent cleaner. Use recommended solutions. Apply using a soft non-abrasive sponge. Rinse surfaces immediately after application. Always follow cleaner product directions provided. Afterwards, using a soft, non-abrasive cloth, wipe surfaces with stainless steel cleaner/polish.

FOR TOUGH PROBLEMS

- CRES Cleaner specifically for rust stains (available from

Acorn)

- Tarn-X for general stains

- #7 chrome polish

- Silver polish

To remove stubborn spots or to treat a scratch

(Standard Satin Finish Only):

Use of synthetic, abrasive, general-purpose pads such as

Scotch Brite is recommended. Apply the stainless steel cleaner/polish to the synthetic, abrasive pads and

CAREFULLY rub out spot with cleaner/ polish. Be sure to rub in the direction of the grain! Do not allow steel wool to come in contact with the stainless steel. Steel particles can embed into the stainless steel surface and create rust!

Stainless steel should be kept clean at all times. If maintained, stainless steel surfaces will retain their new, clean, polished appearance indefinitely. To remove water spots or rust spots, stainless steel cleaner/polish on a cloth is recommended.

IF SPOTS ARE STUBBORN OR IF YOU WISH TO TREAT A

SCRATCH: synthetic, abrasive, general-purpose pads such as Scotch Brite are recommended. Apply the stainless steel cleaner/polish to the synthetic, abrasive pad and

CAREFULLY rub out spot with cleaner/polish. Be sure to

rub in the direction of the grain! Do not allow steel wool to come in contact with stainless steel. Steel particles can embed into the stainless steel surface and create rust.

CARE AND CLEANING OF STAINLESS

STEEL SURFACE

NORMAL CLEANING

Clean weekly or more often, as needed

(especially high polishing surfaces)

RECOMMENDED CLEANING MATERIALS

- Sponge – natural or artificial

- Nylon or other soft-bristle material brush

- Soft cloth (as used on automobile finishes)

Part #: 6215-370-000

Page 25 of 30

Revised: 04/01/14

ACORN ENGINEERING FIELD SERVICE

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INSTALLATION, OPERATIONS & MAINTENANCE MANUAL

Please visit www.acorneng.com for most current specifications.

MERIDIAN 3752

Description

MOUNTING HARDWARE

COMPONENTS & REPAIR PARTS

Part No.

Diagram

Left Support Bracket

6215-100-001

Right Support Bracket 6215-101-001

1/4" Stainless Steel Helical Lock Washer 0337-050-000

Stainless Steel, Hex Head, Cap Screw,

¼"-20 x 3/4" Long

0206-008-000

¼"-20 x 1" Thick Fender Washer

ELECTRONIC HARDWARE

9 VDC Plug-In Transformer

0332-004-000

0711-410-001

Part #: 6215-370-000

Page 26 of 30

Revised: 04/01/14

ACORN ENGINEERING FIELD SERVICE

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INSTALLATION, OPERATIONS & MAINTENANCE MANUAL

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MERIDIAN 3752

Description

COMPONENTS & REPAIR PARTS

Part No.

Diagram

9 VDC Solenoid

2563-326-001

9 VDC Battery-Pak Assy

(6 AA Batteries Not Included)

Battery-Pak Mounting Bracket

ENCLOSURES

Bridge or Transition

0710-358-001

6155-013-199

6215-108-199

HLL Left Side, High Side,

Enclosure

6215-112-199

HLL Right Side, Low Side,

Enclosure

HLR Right Side, High Side,

Enclosure

6215-126-199

6215-116-199

HLR Left Side, Low Side,

Enclosure

6215-122-199

Part #: 6215-370-000

Page 27 of 30

Revised: 04/01/14

ACORN ENGINEERING FIELD SERVICE

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INSTALLATION, OPERATIONS & MAINTENANCE MANUAL

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MERIDIAN 3752

Description

SPOUTS

COMPONENTS & REPAIR PARTS

Part No.

Diagram

Stern Easy Remote Actuated Spout

2993-410-000

Stern Easy E/B Sensor Operated

Spout 9VDC

2993-400-001

Stern Easy E Adapter Kit

6215-105-001

Push Button Assembly

Blank Piezo Pushbutton

Cold Piezo Pushbutton

Hot Piezo Pushbutton

COMBINED WASTE ASSEMBLY

Grid Strainer w/ Close

2566-270-001

0709-067-001

0709-066-001

0709-065-001

4926-063-001

2 Station Combined Waste Assembly 4970-030-001

Part #: 6215-370-000

Page 28 of 30

Revised: 04/01/14

ACORN ENGINEERING FIELD SERVICE

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INSTALLATION, OPERATIONS & MAINTENANCE MANUAL

Please visit www.acorneng.com for most current specifications.

MERIDIAN 3752

Description

VALVE

COMPONENTS & REPAIR PARTS

Part No.

Diagram

T/P 2-Station, 9VDC Solenoid, ASSE

1016, Mixing Valve Assembly

2595-663-001

Optional T/P 2-Station, Hand Operated,

ASSE 1016, Mixing Valve Assembly

2595-653-001

Optional 2-Station, 9VDC Solenoid,

Single Temp Valve Assembly

2595-642-002

Optional 2-Station, Hand Operated,

Single Temp, Metering Valve

Assembly

2595-612-001

Part #: 6215-370-000

Page 29 of 30

Revised: 04/01/14

ACORN ENGINEERING FIELD SERVICE

TOLL FREE 800-743-8259 • LOCAL 626-855-4866 • FAX 626-855-4863

INSTALLATION, OPERATIONS & MAINTENANCE MANUAL

Please visit www.acorneng.com for most current specifications.

MERIDIAN 3752

M A I L A D D R E S S

P. O . B O X 3 5 2 7

C I T Y O F I N D U S T R Y, C A 9 1 7 4 4 U . S . A .

P H Y S I C A L A D D R E S S

1 5 1 2 5 P R O C T O R AV E N U E

C I T Y O F I N D U S T R Y, C A 9 1 7 4 6 U . S . A .

T O L L F R E E 8 0 0 - 4 8 8 - 8 9 9 9 • L O C A L 6 2 6 - 3 3 6 - 4 5 6 1

FA X 6 2 6 - 9 6 1 - 2 2 0 0 • W E B w w w. a c o r n e n g . c o m

WARRANTY INFORMATION

Acorn warrants that all of its products are guaranteed against defective material or poor workmanship for a period of one year from date of shipment. Acorn's liability under this warranty shall be discharged by replacing without charge

F.O.B. City of Industry, California, any goods, or part thereof, which appears to the company upon inspection to be of defective material or not of first class workmanship, provided that claim is made in writing to the company within reasonable period after receipt of the product. Where claims for defects are made, the defective part or parts shall be delivered to the company, prepaid, at City of Industry, California for inspection. Acorn will not be liable for the cost of repairs, alterations or replacement, or for any expense connected therewith made by the owner or his agents, except upon written authority from the Acorn City of Industry office. Acorn will not be liable for any damages caused by defective materials or poor workmanship, except for replacements, as above provided. Contact local Acorn

Representative for complete terms and conditions.

Part #: 6215-370-000

Page 30 of 30

Revised: 04/01/14

ACORN ENGINEERING FIELD SERVICE

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