Bernard Controls AQL Series Guida utente

AQL Range

Start UpGuide SUG_17002 – Ind.A

Art : 5100465

TABLE OF LANGUAGES

1 English ---------------------------------------------------- 3

2 Français -------------------------------------------------- 3

3 Español -------------------------------------------------- 5

4 Italiana --------------------------------------------------- 7

5 Deutsch--------------------------------------------------- 7

TABLE OF CONTENTS

1SAFETY ---------------------------------------------------------- 3

2STORAGE AND MAINTENANCE -------------------------------- 3

Packaging & Storage

Maintenance

3ASSEMBLY ------------------------------------------------------- 4

Adapting the actuator to your valve input

Configuring position indicator for counter-clockwise closing

4MANUAL OVERRIDE---------------------------------------------5

5ELECTRICAL CONNECTION AND TESTS----------------------- 6

Checking after wiring

6TRAVEL LIMIT SETTINGS---------------------------------------7

Setting a single cam

Setting cams (AQ1L & AQ3L)

Setting cams and mechanical stops (AQ7L)

7PROPORTIONAL ANALOG COMMAND (OPTION) ----------- 10

Setting up positioner board

8TORQUE LIMITING DEVICE----------------------------------- 11

English

1SAFETY

This device complies with current applicable safety standards.

Installation, maintenance, and use of this unit require a skilled and

trained staff.

Please carefully read this whole document before mounting and

starting-up the actuator.

2STORAGE AND MAINTENANCE

Packaging & Storage

The AQL actuator is delivered in a cardboard box equivalent to the

size of the actuator and sits in a cardboard wedge.

It should be stored under a shelter, in a clean and dry place and

protected from wide temperature variations.



•Avoid placing the actuatordirectly on the floor.

•Check that cable entries' plugs are correctly tightened.

•Check that coverscrews are correctly tightened.

What to check after storage

1. Visually check the electrical equipment.

2. Operate the actuator manually.

What to check on pre-installed actuators

If you expect a long period between actuator mounting and electrical

wiring:

1. Visually check that cable entries and cover are tightly closed.

2. In case of outdoor installation, cover the unit with a plastic

protective film.

Maintenance

This actuator features lifetime lubrication and does not require any

specific maintenance. If it operates in a very wet atmosphere, you

are advised to check once a year that there is no condensation build-

up inside the unit.

English

3ASSEMBLY

After assembly, the actuator can operate in any position.

Adapting the actuator to your valve input

Actuator is supplied with a set of adapters to ensure the output fits

your valve shaft.

You only need to insert the accurate square adapter inside the socket.

Adapter can be oriented as parallel square or as diagonal square,

depending on your need.

Standard

On request

Standard

On request

Internal size in mm

Max. shaft length accepted 20mm

Internal size in mm

Max. shaft length accepted 25mm

AQ1L/AQ3L AQ7L

Adapters shapes (view from under the actuator)



However:

•Itis not recommendedto install actuatorwith coverdownwards

•Cable glandsmust not be orientedupwards

(loss of water tightness)

English

Configuring position indicator for counter-clockwise closing

As a standard, AQL actuator is configured to close clockwise. If the

actuator must close counter-clockwise, you can change orientation

of the position indicator cap.

Standard indicator orientation

for clockwise closing

Reverse indicator orientation

for counter-clockwise closing

How to change cap orientation

1. Disassemble the cover then the

cap.

2. Turn the cap 90°.

3. Reassemble the cap then the

cover.

4MANUAL OVERRIDE

You can operate the

actuator manually using the

driving square under the

actuator.

Output will turn in the

direction

opposite to the

rotation applied.

Square size is 10mm.

•Be careful not to damage actuator during manual operation.

Do not apply a torque higher than 6N



m to the square.

•Check indicator when driving actuator with manual override

to avoid reaching mechanical stops.

English

5ELECTRICAL CONNECTION AND TESTS

To perform electrical wiring, please refer to the wiringdiagram

supplied and follow theterminals' numbering.

Make sure not to wire AC supply on A, B, C terminals or DC supply

on 1, 2, 3 terminals, that will damage the board.

Checking after wiring

Once the actuator wiring is completed, the following points must be

checked:

1. Make sure that power supply voltage matches information on

the sticker on the side of the actuator.

2. Check that all connectors or cable glands are correctly

tightened.

3. Move the valve using manual override to an intermediate

position.

4. Electrically operate opening and closing travels and check that

the actuator rotates in the right direction and stops at the

desired position.

If any fault is detected at this stage, please check all wiring.



Never use a powered rotary equipment on manual override to

operate the actuator.

English

6TRAVEL LIMIT SETTINGS

The actuator is factory-set for a 90°travel.

It features 2 devices to limit the travel:

•Cams trigger switches toswitch off power at an end position or

to signal a position.

•Mechanical stops mechanically block rotation toprotect the valve

in case ofover-travel. They must not beused as travel limits.

Setting a single cam

The cam rotates as the

output shaft and triggers a

switch by pushing on its

lever.

Cams orientation are factory

pre-set, yet you can still re-

adjust them upon the

installation if necessary.

Rep. Function Status before installation

Clockwise travel limit

Pre-wired, cam pre-set

Counter-clockwise travel limit

Pre-wired, cam pre-set

Clockwise signalling

To wire, to set

Counter-clockwise signalling

To wire, to set

How to adjust asingle cam

At the desired position of the actuator output:

1) Turn the setting screw of

the corresponding cam

with a flat-head

or a

Phillips-head screwdriver.

The cam disk is then turning.

2) Set the cam disk until you

hear a click from the

switch. It

indicates the

triggering of the switch.



Make sure the cams contact the switch according to their proper

direction of travel, otherwise you could damage the switch.

English

Travel limit cams and signalling cams

On AQL actuator, you have 4 cams

with 2different functions:

•Travel limit cams cut motor

power supply when they

trigger the switches

corresponding to an end

position.

•Signalling cams are not wired

by default. You can use them

to indicate when the

actuator gets close to an end

position.

Signalling cams must be set to reach their corresponding switch

before the travel limit cams do.

If the actuator is supplied mounted on a valve, following

settings should have been performed by the valve supplier.

Setting cams (AQ1L & AQ3L)

AQ1L & AQ3L have fixed mechanical stops. Travel limit settings are

done by cams only.

How to adjust cams for both directions

1. Drive the actuator to clockwise travel limit position.

2. Set the cam corresponding to clockwise travel limit switch.

If the clockwise signalling switch is wired:

3. Drive the output slightly in the counter-clockwise direction

using manual override.

4. Set the cam corresponding to clockwise signallingswitch.

5. Drive the actuator to the counter-clockwise travel limit

position.

6. Redo settings steps 2 to 4 for counter-clockwise direction.

English

Setting cams and mechanical stops (AQ7L)

AQ7L has both mechanical stops and cams that can be set.

Setting travel limits

The mechanical stops limit

the actuator travel.

Fine adjustment of the stop

screws position is possible

within a limit of ±2°

maximum. These screws are

located inthe lower section

of the actuator.

The actuator stops on open

or closed position when the

travel limit switch is

tripped.

How to adjust cams and mechanical stops for both directions



One turn of the adjustment screw = 4° angle variation at the

actuator output.

1. Untighten the nut corresponding to clockwise mechanical

stop and turn stop screw 2 turns back.

2. Drive the actuator to clockwise travel limit position.

3. Get the clockwise stop screw in contact with output sleeve

then turn it back of 1.5 turns.

4. Retighten nut to keep position of mechanical stop.

5. Set the cam corresponding to clockwise travel limit switch.

If the clockwise signalling switch is wired:

6. Drive the output slightly in the counter-clockwise direction

using manual override.

7. Set the cam corresponding to clockwise signalling switch.

8. Untighten the nut corresponding to counter-clockwise

mechanical stop and turn stop screw 2 turns back.

9. Drive the actuator to the counter-clockwise travel limit

position.

10. Redo settings steps 3 to 7 for counter-clockwise direction.

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