Bray S30/S70 Manuel utilisateur

Bray Controls Commercial Division

13788 West Road, Suite 200A

Houston, Texas 77041

[email protected]

Phone: 1-888-412-2729

Fax: 1-888-412-2720

www.braycommercialdivision.com

Calibration & Testing 2-Way S30 S31 Valve with S70 Electric Actuator

12/13/19

www.braycommercialdivision.com

2-way Assembly, S30/S70 and S31/S70

1 Calibraon

1.1 Potenometer Installaon

1.2 Close Cam

1.3 Potenometer Drive Gear

1.4 Open Cam

2Sertvo Pro Tesng

3 Servo NXT Tesng

PRECAUTIONS:

•Wear safety glasses and all other appropriate safety equipment before performing any of

the listed tasks

•Assure all components are present before assembly

•This Work Instrucon must be thoroughly reviewed and understood before conducted

CAUTION: Risk of Electric Shock.

Disconnect the power supply before

making electrical connecons

to avoid electric shock.

CAUTION: Risk of Property Damage.

Do not apply power to the system before

checking all wiring connecons. Short

circuited or improperly connected wires

may result in permanent damage to the

equipment.

IMPORTANT: Do not exceed the electrical rangs of

the S70 Actuator.

Calibration & Testing 2-Way S30 S31 Valve with S70 Electric Actuator Continued

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1 Calibraon

CAUTION

The electrical travel switches must be set to acvate (depress) prior to reaching the

mechanical travel stops. The cams are color coded (green for open, red for closed).

NOTE: Manual travel stops are designed to prevent manual overtravel from turning the handwheel, not

to stop the electric motor. The travel stops have an adjustment range of approximately 10-degrees.

NOTICE: Cam Locking Screw must be loosened before each cam/pot drive gear adjustment and re-

ghtened aer each cam/pot drive gear adjustment. It is likely that the rotaon of one will move the

other. Hold the other knobs or cams/pot drive gearduring adjustment. See [Figure 1].

[Figure 1]

Calibration & Testing 2-Way S30 S31 Valve with S70 Electric Actuator Continued

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1.1 Potenometer Installaon

NOTICE: Step 1.1 applies to potenometer installaon and oponal Servo Pro potenometer inial

seng, for all others skip to step 1.2.

1.1.1 Manually operate the actuator hand wheel counterclockwise unl the valve reaches the desired

fully open posion.

1.1.2 Mount the appropriate potenometer in the respecve locaon and GREENindicator

orientaon depicted in [Figure 2].

Size 180 Size 6, 12 & 30

[Figure 2]

Calibration & Testing 2-Way S30 S31 Valve with S70 Electric Actuator Continued

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1.2 Close Cam

1.2.1 Skip to 1.2.2 for On/Oﬀelectronic modules. Servo electronic modules somemes require special

sengs based on the Purchase Order documentaon (i.e. reverse acng, 4-20mA signal input, 4-

20mA feedback, fail open, etc.). Pull the Handwheel to disable the electric motor. Use the

appropriate operaons manual if instrucons are needed to adjust the servo sengs. Follow the

applicable steps below:

Servo Pro

1. Adjust dip switch sengs.

2. Apply power to power terminals.

Servo NXT

1. Apply power to power terminals.

2. Adjust display sengs using arrow keys and checkmark.

1.2.2 Manually operate the actuator hand wheel clockwise unl the valve reaches the desired fully

closed posion. This can be accomplished by equalizing the distance "D" from the face of the valve

to the edge of the disk on both sides of the valve using a screwdriver. See [Figure 3].

[Figure 3]

1.2.3 Rotate the RED Cam Adjustment Knob with a ﬂat head screwdriver unl the cam lobe just acvates

(depresses) the switch from a clockwise direcon. This can be accomplished by using a switch

contact indicator device with lights or by listening for the sound that the contact makes.

Calibration & Testing 2-Way S30 S31 Valve with S70 Electric Actuator Continued

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1.3 Potenometer Drive Gear

1.3.1 The BLACK Potenometer Drive Gear is not used for On/Oﬀactuators. Skip step 1.3.2.

1.3.2 For NXT Servo actuators, the Potenometer's Volts Direct Current (VDC) must be measured using

a Mulmeter. For Pro Servo actuators, this step is oponal. See [Figure 4]

Tesng Potenometer Voltage

3. Set Mulmeter max range between10-100 VDC.

4. Contact mulmeter NEGATIVE to FB Pot Com ( wire).

5. Contact mulmeter POSITIVE to FB Pot Wiper (ORANGE wire).

[Figure 4]

Rotate the BLACK Potenometer Drive Gear Adjustment Knob with a ﬂat head screwdriver unl

the Mulmeter VDC measurement falls within the tolerance listed below, for the respecve Servo

Pro or Servo NXT.

Servo Pro: 0.29 – 0.37 VDC

Servo NXT: 0.20 – 0.25 VDC

Calibration & Testing 2-Way S30 S31 Valve with S70 Electric Actuator Continued

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Note: Make gentle contact when bringing the mechanical stop in contact with the output gear. When

ghtening the nut, use two wrenches. One to hold the bolt in place and one to ghten the nut. We want

to avoid “driving” the mechanical stop intothe internal segment gear and cracking the plasc washer.

1.3.3 With the travel switch in the closed posion, rotate the handwheel clockwise 1/2 a turn for

Housing Size 6, 1 turn for Housing Size 12, 1/2 a turn for Housing Size 30, and 2 turns for Housing

Size 180. Adjust the closed travel stop bolt unl it booms against the internal segment gear and

lock it in posion with the locknut. See [Figure 5].

[Figure 5]

Calibration & Testing 2-Way S30 S31 Valve with S70 Electric Actuator Continued

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1.4 Open Cam

1.4.1 Manually operate the actuator handwheel counterclockwise unl the valve reaches the desired

open posion. Visual alignment to center the valve disk at 90 degrees is suﬃcient, as changes in

resilient seat valve disk ﬂow coeﬃcients are negligible in open posion within a reasonable range.

1.4.2 For On/Oﬀactuators, rotate the GREEN Cam adjusng knob unl the cam lobe just acvates

(depresses) the switch from a counterclockwise direcon. This can be accomplished by using a

switch contact indicator device with lights and by listening for the sound that the contact makes.

Skip step 1.4.3.

1.4.3 For NXT Servo actuators, the full open valve disk posion will depend on the VDC measured at the

appropriate Potenometer terminals. Refer to the respecve VDC values below. Noce the

GREENCam does not directly aﬀect the Potenometer measurement. Aer every GREEN Cam

adjustment, the actuator must rotate to match the new full Open posion relave to the new

GREENCam posion. For Pro Servo actuators, this step is oponal.

Servo Pro: 4.63 – 4.71 VDC

Servo NXT: 2.95 - 3.00 VDC

1.4.4 With the travel switch in the open posion, rotate the handwheel counterclockwise 1/2 a turn for

Housing Size 6, 1 turn for Housing Size 12, 1/2 a turn for Housing Size 30, and 2 turns for Housing

Size 180. Adjust the open travel stop bolt unl it booms against the internal segment gear and

lock it in posion with the locknut.

1.4.5 Apply respecve power according to the electronic module's requirements. Verify all LED

lights illuminate, upon inial power up. Noce that LEDs are not applicable to Interposing

Relay Boards (IRB).

Calibration & Testing 2-Way S30 S31 Valve with S70 Electric Actuator Continued

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2 Servo Pro Tesng

2.1 Deadband, Open Speed and Close Speed potenometers shall be set to full open (counter-

clockwise rotaon), unless otherwise noted on purchase order.

2.2 Put the Servo Pro into autocalibraon mode by pressing and holding the autocalibraon

buon for a minimum of 2 seconds. Wait for autocalibraon to complete before moving to

next step.

2.3 Electrically command the actuator full open and close to verify proper valve disk posion and

recheck potenometer VDC measurements to the speciﬁcaons below, using a 0-10 VDC signal

generator command input. If posion and potenometer measurements are good, then

calibraon is complete. Otherwise return to the applicable 1step or ask a supervisor for assistance.

Close Posion = 0.21 – 0.45 VDC

Open Posion = 4.55 – 4.79 VDC

2.4 Verify the STATUS LED is ﬂashing GREEN. For any other status lights correct the fault, check

applicable operaons manual or consult your supervisor.

Calibration & Testing 2-Way S30 S31 Valve with S70 Electric Actuator Continued

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3 Servo NXT Tesng

3.1 Put the Servo NXT into autocalibraon mode by pressing the autocalibraon buon. Wait for

autocalibraon to complete before moving to next step.

3.2 Electrically command the actuator full open and close to verify proper valve disk posion and

recheck potenometer VDC measurements to the speciﬁcaons below, using a 0-10 VDC signal

generator command input. If posion and potenometer measurements are good, then

calibraon is complete. Otherwise return to the applicable 1step or ask a supervisor for assistance.

Close Posion = 0.14 – 0.30 VDC

Open Posion = 2.90 – 3.06 VDC

3.3 For actuator sizes 13,000inlb and 18,000inlb, disable the Motor Stall Detecon. The Stall

Detecon feature can be disabled by simultaneously pressing and holding the Up and Down

Arrow keys for 5 seconds. Aer 5 seconds, all valve posion indicators will ﬂash

simultaneously for 1 second indicang that the feature has been disabled.

3.4 Verify the RED BRAY logo is ﬂashing and that no fault lights are on.

Ce manuel convient aux modèles suivants

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