A & H AMFLOW A2-ACM Manuale

Amflow®

A & H Enterprises, Inc.

11812 NE 116th Street

TEL:

+425.883.4040

Kirkland, WA 98034 USA

FAX:

+425.823.1962

www.amflow.com

EMAIL:

ah@amflow.com

INSTALLATION, OPERATION & SERVICE MANUAL

US & INTERNATIONAL PATENTS PENDING

00000222-0904-000 * Rev. C, 09/15

Page 1 of 35

A & H Enterprises, Inc. reserves the right to make modifications and/or improvements to Amflow®products

without prior notice.

Explanation of Graphic Symbols

DANGER AND/OR WARNING

The exclamation point within an equilateral triangle surrounded by red is intended to alert the user to the presence of

important operating and maintenance instructions that may cause personal injury or harm to the system.

CAUTION AND/OR IMPORTANT

The exclamation point within an equilateral triangle that is solid yellow with an exclamation point is intended to alert the user

to use caution or contains important information.

AMFLOW®

A2-ACM VALVE ACTUATOR

(BELT DRIVE)

Part Number: 00000222-0501

NOTE

Reference the “As Built” data sheet supplied with order for specific actuator configuration.

AMFLOW®

A2-ACM Installation, Operation & Service Manual

TABLE OF CONTENTS

US & INTERNATIONAL PATENTS PENDING

00000222-0904-000 * Rev. C, 09/15

Page 2 of 35

SECTION 1: INFORMATION .........................................................................................................................................................................................4

1.01 DESCRIPTION...................................................................................................................................................................................................4

1.02 DESIGN FEATURES..........................................................................................................................................................................................4

1.03 MECHANICAL FEATURES ................................................................................................................................................................................4

1.04 COMMUNICATION PROTOCOLS......................................................................................................................................................................4

1.05 SAFETY INFORMATION....................................................................................................................................................................................5

1.06 ASSEMBLY VIEW..............................................................................................................................................................................................5

1.07 ASSEMBLY VIEW: Transparent.........................................................................................................................................................................6

1.08 GA DRAWING....................................................................................................................................................................................................7

1.09 FULL VIEW........................................................................................................................................................................................................8

1.10 CUT-AWAY VIEW: Belt Drive Assembly (Red Box) ..........................................................................................................................................9

1.11 EXPLODED VIEW: Belt Drive Assembly (Red Box)..........................................................................................................................................10

1.11a BOM: Belt Drive Assembly (Red Box).............................................................................................................................................................11

1.12 ASSEMBLY VIEW: Motor Housing Assembly .................................................................................................................................................13

1.12a EXPLODED VIEW: Motor Housing Assembly.................................................................................................................................................14

1.12b BOM: Motor Housing Assembly .....................................................................................................................................................................15

1.13 CUT-AWAY VIEW: Panel Mount......................................................................................................................................................................16

1.13a PANEL MOUNT: Cut-out Dimensions.............................................................................................................................................................17

SECTION 2: INSTALLATION: Actuator .....................................................................................................................................................................18

2.01 INSTALLATION PRECAUTIONS......................................................................................................................................................................18

2.02 TYPICAL A2 ACTUATOR PANEL INSTALLATION ...........................................................................................................................................18

2.03 INSTALLATION: Tools ....................................................................................................................................................................................18

2.04 INSTALLATION PROCEDURE: Actuator .........................................................................................................................................................19

SECTION 3: INSTALLATION: Valve ..........................................................................................................................................................................20

3.01 VALVE INSTALLATION PRECAUTIONS ..........................................................................................................................................................20

3.02 INSTALLATION PROCEDURE: Valve to Actuator.............................................................................................................................................20

SECTION 4: SERVICE: Valve Removal .....................................................................................................................................................................21

SECTION 5: SERVICE: Adjustments.........................................................................................................................................................................22

5.01 CHECK TORQUE ............................................................................................................................................................................................22

5.02 TORQUE ADJUSTMENT .................................................................................................................................................................................23

SECTION 6: SERVICE: REPLACEMENTS - Gaskets.................................................................................................................................................24

6.01 REPLACEMENT: Front Gasket........................................................................................................................................................................24

6.02 REPLACEMENT: Motor Gasket.......................................................................................................................................................................25

SECTION 7: SERVICE: REPLACEMENTS .................................................................................................................................................................26

7.01 REPLACEMENT: Set Screw............................................................................................................................................................................26

7.02 REPLACEMENT: Circuit Board........................................................................................................................................................................26

SECTION 8: SERVICE: Clutch Drive Components....................................................................................................................................................27

8.01 CLUTCH DRIVE: Disassembly & Replacement ................................................................................................................................................27

AMFLOW®

A2-ACM Installation, Operation & Service Manual

TABLE OF CONTENTS

US & INTERNATIONAL PATENTS PENDING

00000222-0904-000 * Rev. C, 09/15

Page 3 of 35

SECTION 9: SERVICE: Pulley Assembly ..................................................................................................................................................................29

9.01 REPLACEMENT: Bearing................................................................................................................................................................................30

9.02 REPLACEMENT: Belleville Springs .................................................................................................................................................................30

9.03 REPLACEMENT: Pulley Belt ...........................................................................................................................................................................31

SECTION 11: TROUBLESHOOTING...........................................................................................................................................................................32

11.01 No Power.......................................................................................................................................................................................................32

11.02 Torque Slippage.............................................................................................................................................................................................32

11.03 Unable to Obtain Newton Meter Reading.........................................................................................................................................................32

11.04 Broken Drive Pin ............................................................................................................................................................................................32

11.05 Inaccurate Turn Count - Valve ........................................................................................................................................................................32

11.06 Clutch Assembly Slippage ..............................................................................................................................................................................32

11.07 Valve Not Fully Engaged in Clutch Assembly ..................................................................................................................................................32

11.08 Handle Torque Adjustment .............................................................................................................................................................................32

STANDARDS & CERTIFICATIONS..............................................................................................................................................................................33

LIMITED WARRANTY..................................................................................................................................................................................................34

END OF SECTION

AMFLOW®

A2-ACM Installation, Operation & Service Manual

INFORMATION

US & INTERNATIONAL PATENTS PENDING

00000222-0904-000 * Rev. C, 09/15

Page 4 of 35

SECTION 1: INFORMATION

1.01 DESCRIPTION

The Amflow®A2-ACM Actuator is a DC gear driven motor actuator designed to accommodate a variety of

Amflow®products in hazardous area usage. Part compatibility includes; AM7 Series, AM8, AM11A flow control

valves and the PR7 Series and PR-HF-SSSP back pressure regulators.

The Amflow®A2-ACM Actuator is designed to be panel mounted, reference Section 1.09 and 1.7. Note that the

orientation is not important. Once the Amflow®A2-ACM Actuator is installed the valve can be screwed onto the

valve ADAPTER and locked in place with a 6mm set screw. The Inlet and Outlet ports of the valve will then need

to be connected to the system.

1.02 DESIGN FEATURES

Normal module operation includes valve position, current limit, pressure & flow feedback.

Manual over-ride lever.

Low maintenance.

Environmentally sealed.

1.03 MECHANICAL FEATURES

Enclosure: 316L Stainless Steel with powder coating

Adjustable Torque Setting

ATEX Certification: DNV 2007 OSL ATEX-1498

Certification Category: II 2 G Ex de IIC T4

Degree of Protection: IP66

Weight: 33 lbs. (15 Kg)

Optional Cable Glands: M20x1.5

Amflow®A2-ACM Actuator: Electrical Specifications

Motor

Watts

Max.

Operating

Current

Max

In-Rush

Current

Manual

Override

Communication

A2-ACM

00000222-0501-014

Gear

24 VDC

30 Watts

1.25 amps

(continuous)

3.0 amps

Yes

Industrial Ethernet

Hart / 4-20mA

H1 FOUNDATION fieldbus

Modbus RTU / RS485

Modbus TCP

1.04 COMMUNICATION PROTOCOLS

Circuit board: Main motherboard with interchangeable daughter boards.

Remote access from host computer for control, monitoring, and configuration.

Available Communication Protocols:

INDUSTRIAL ETHERNET

HART/4-20mA

H1 FOUNDATION fieldbus

MODBUS RTU / RS485

MODBUS TCP

Ethernet Protocol: IEEE 802.3 - 10T/100T

These protocols provide ease of use in the field with their own embedded web pages eliminating third party

communication devices. Refer to the Circuit Board Manual provided with order for information and issues

regarding communication.

AMFLOW®

A2-ACM Installation, Operation & Service Manual

INFORMATION

US & INTERNATIONAL PATENTS PENDING

00000222-0904-000 * Rev. C, 09/15

Page 5 of 35

1.05 SAFETY INFORMATION

SAFETY INFORMATION

Follow IEC when working with electrical units.

When handling product avoid dropping, damaging, or submerging.

Ensure proper wiring.

Person(s) handling circuit board should be properly grounded.

Do not open unit while energized.

1.06 ASSEMBLY VIEW

Amflow®A2-ACM Actuator

Transparent View

Amflow®A2-ACM Actuator

Shown with

Motor Housing

AMFLOW®

A2-ACM Installation, Operation & Service Manual

INFORMATION

US & INTERNATIONAL PATENTS PENDING

00000222-0904-000 * Rev. C, 09/15

Page 6 of 35

1.07 ASSEMBLY VIEW: Transparent

AMFLOW®A2-ACM ACTUATOR

Transparent View with Motor Housing

AMFLOW®A2-ACM ACTUATOR

Transparent View with Motor Housing

and Optional Cable Glands

AMFLOW®

A2-ACM Installation, Operation & Service Manual

INFORMATION

US & INTERNATIONAL PATENTS PENDING

00000222-0904-000 * Rev. C, 09/15

Page 7 of 35

1.08 GA DRAWING

AMFLOW®

A2-ACM Installation, Operation & Service Manual

INFORMATION

US & INTERNATIONAL PATENTS PENDING

00000222-0904-000 * Rev. C, 09/15

Page 8 of 35

1.09 FULL VIEW

BASE PLATE

HANDLE ASSY

ADJUSTMENT

KNOB

DC MOTOR

Ex MOTOR HOUSING ASSEMBLY

ACM CIRCUIT BOARD

DIN TERMINAL BLOCK

LINE BUSHINGS

BELT

PULLEY

CARRIER

ASSEMBLY

RED COVER HOUSING

EExe COVER

EExe GASKET

EExe CARRIER

FRONT GASKET

MOTOR GASKET

AMFLOW®

A2-ACM Installation, Operation & Service Manual

INFORMATION

US & INTERNATIONAL PATENTS PENDING

00000222-0904-000 * Rev. C, 09/15

Page 9 of 35

1.10 CUT-AWAY VIEW: Belt Drive Assembly (Red Box)

M4x8 PANHEAD

SCREW

M4x8 PANHEAD

SCREW

M3x10 PANHEAD

SCREW

ADJUSTMENT KNOB

M6x10 PANHEAD

SCREW

PLUG COVER

SET SCREW

BASE PLATE

M6x12 FLATHEAD

SCREW

PULLEY BELT

CLUTCH ASSEMBLY

PULLEY

COVER HOUSING

HANDLE

BELLEVILLE SPRINGS

AMFLOW®

A2-ACM Installation, Operation & Service Manual

INFORMATION

US & INTERNATIONAL PATENTS PENDING

00000222-0904-000 * Rev. C, 09/15

Page 10 of 35

1.11 EXPLODED VIEW: Belt Drive Assembly (Red Box)

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