Bernard Controls AQ Series Benutzerhandbuch

AQ SWITCH

RANGE

Start Up Guide

Instructions de mise en service

SUG_17003 - Ind. A

Art : 5100466

TABLE OF LANGUAGES

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

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

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

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

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

TABLE OF CONTENTS

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

2PACKAGING, STORAGE AND MAINTENANCE-----------------3

Packaging

Storage

Maintenance

3ASSEMBLY ------------------------------------------------------- 5

Changing closing direction indication

4EMERGENCY HANDWHEEL OPERATION ---------------------- 6

5ELECTRICAL COMMISSIONNING ------------------------------- 6

5.1 Connection and preliminary tests

5.2 Position feedback potentiometer (OPTION)

5.3 TAM position transmitter (OPTION)

5.4 Heating resistor

6TRAVEL LIMIT SETTINGS------------------------------------- 11

Single cam setting

Cams and mechanical stops setting

7TORQUE LIMITING DEVICE (AQ25 / 30 / 50 only) -------- 14

English

1SAFETY

This device complies with current applicable safety standards.

Installation, maintenance and useofthis unitrequire a skilled and

trained staff.

Please carefully readthis whole document before mounting and

starting-up the actuator.

2PACKAGING, STORAGE AND MAINTENANCE

Packaging

AQ actuators are delivered in a cardboard box of a size equivalent to

the actuator and sit in a cardboard wedge.

Storage

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

and protected from wide temperature variations.



•Avoid placing the actuator directly on the floor.

•Check that plugs on cable entries are correctly tightened.

•Check that cover screws are correctly tightened to ensure

weatherproof sealing of the cover.

AQ actuators include electrical components and lubricated gears.

Even with a weatherproof enclosure, oxidation, seizing and other

alterations may occur if actuatorsare not correctly stored.

What to check after storage

1. Visually check the electrical equipment.

2. Manually operate micro-switches, buttons, selectors, etc., to

ensure their proper mechanical functioning.

3. Manually operate the actuator.



Heating element should be connected to power supply especially

if the storage place is wet (standard 230 VAC, except

otherwise specified).

English

What to check on installed non-commissioned 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.

Actuators equipped with electronic components

Long term storage ofelectronic components which are notin service

increases the risk of malfunction. This is not advisable.

If a long term storage is absolutely necessary, westrongly

recommend a revision ofthe electronic boards inour factory

before actuatorusage.

Maintenance

This actuator features lifetime lubrication. While the device is

correctly mounted and sealed, nospecific maintenance is required.

Test once a year themotor operation and makesure that the

electrical compartment isfree from condensation.

If it operates in awet atmosphere, this actuatorincludes an anti-

condensation heater to avoid condensation build-up.

English

3 ASSEMBLY

Actuator shouldbe attached directly tothe valve using proper bolts

or via a proper interface.

After assembly, the actuator can operate in any position.



However:

•do not lift the actuator by the handwheel to avoid damage on

internal gearing

•cable glands must not be oriented upwards

(loss of water

tightness)

Changing closing direction indication

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

actuator must close counter-clockwise, you can change

orientation ofthe 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.

English

4EMERGENCY HANDWHEEL OPERATION

AQ actuators feature a handwheel for emergency operation.

To avoid potentially harmful turning protruding parts during

electrical operation, AQhandwheels feature afoldable handle: you

can fold it duringelectrical operation and unfold it if you need to

operate the actuator manually.

5ELECTRICAL COMMISSIONNING

Connection and preliminary tests

8- Capacitor

7- Switches board

6- Torque limiter

5- Motor

4– Heating resistance

3- Cams

2- Terminal block

1- Position indicator

Actuator and its components are wired to internal terminal blocks.

To proceed to the wiring, remove the cover and pass the cables

throughthe M20 cable entries or ¾” NPTcable entries

(depending onorder).

Please refer to the wiring diagram enclosed for terminal numbering.

Both thermal protector and torque limit switches must be integrated

into yourcontrol system inorder toprevent potential damage to the

actuator or valve.

English

What to check after wiring

Once actuator wiring is completed,please check the following:

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. Manually drive the valve to a mid-travel position.

4. Electrically operate counter-clockwise rotation and check that

the motor rotates in the right direction.

5. Manually press on the counter-clockwise travel limit switch

then the motor should stop.

6. Repeat steps 4 and 5 for clockwise direction.



•If any fault is detected at this stage, please check again the

whole wiring.

Position feedback potentiometer (OPTION)

The potentiometer used for actuator

position feedback isdriven by the travel

cam block system.

For clockwise closing:

•0% position indicates a closed valve

•100% position indicates an open valve.

Resistance value is measured between 16 and 17 terminals.

Potentionmeter

English

How to set the potentiometer circuit board

You can set the zero of the potentiometer with the 0% position

screw.Use a flat blade screwdriver toturn this screw.

1. Drive the actuator to the CLOSED position.

2. Untighten the positioner pinion blocking screw.

3. Adjust the potentiometer by turning its shaft so that the

resistance value exceeds 0 Ohm and regularly increases then

turn backwards to reach the closest value to 0 Ohm. Tighten

back the positioner pinion blocking screw.

4. Drive the actuator to the OPEN position and write down the

resistance value corresponding to the 100% position.

5. Come back to the CLOSED position and check that the

resistance shows a repeatable near zero value for the 0%

position.

Signal inversion

To change the signal variation direction, invert potentiometer wires

on the terminal block (e.g. for a connection on16/17/18,

invert 16and 18).

Position feedback potentiometer (Left) & TAM position transmitter (Right)

English

TAM position transmitter (OPTION)

The TAM transmitter delivers a 4 to 20mA signal linearly proportional

to the angular position of the valve.

Electrical connections

To connect TAM, refer tothe wiring diagram supplied.

Filtered or stabilized power supply should be provided within the 12

to 32 VDC range. Maximumadmissible resistance valuesare given

in the following table:

DC supply

(volts)

Max. admissible resistance

(ohms)

12 150

24 750

32 1050

Signal direction inversion

The TAM transmitter, when supplied with a clockwise closing

actuator, provides a signal that rise from close position toopen

position.

If an opposite signal variation is required, simply move 2 jumpers on

the board near the potentiometer:

•direct signal: jumpers on 1-3 and 2-4

•reversed signal: jumpers on 1-2 and 3-4

Position transmitter

0/4-20mA

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