Siemens Flowrite 599 Series User manual

599 Series Zone Valves

SFA/SFP Electronic Valve Actuator

2-Position Control

Installation Instructions

Document No. 129-335

June 22, 2005

EA0961R1

Product Description

The SF Series actuator requires a 24 Vac, 120 Vac, 208 Vac,

or 277 Vac Class-2 supply signal to control Siemens Zone

Valves with a 1/10-inch (2.5 mm) stroke.

Warning/Caution Notations

WARNING:

Personal injury or loss of life

may occur if you do not follow

a procedure as specified.

CAUTION:

Equipment damage, or loss of

data may occur if you do not

follow a procedure as

specified.

Product Numbers

Actuator

Model Power

Supply Actuator

Code

SFP71U 24 Vac 243

SFP11U 120 Vac 241

SFP277U/25 277 Vac – *

Normally

Open

SFP208U/25 208 Vac – *

SFA71U 24 Vac 242

SFA11U 120 Vac 240

SFA208U/25 208 Vac – *

Normally

Closed

SFA277U/25 277 Vac – *

* Actuator only with 2.5-meter cable, not available

as an assembly.

Contents

One actuator

Required Tools

• Small flat-blade screwdriver

• Wire stripper

Estimated Installation Time

20 minutes

EA0959R1

Figure 1. Acceptable Mounting Positions.

The vertical position is recommended for mounting.

Prerequisites

WARNING:

1. If mounting the actuator to a valve already

in line:

• Close the shut-off valves in the piping

(upstream first, then downstream).

• Switch off the pump to allow the

differential pressure in the valve to

drop.

2. Disconnect the controller power before

replacing the actuator.

Installation

Mounting the SFP Actuator to a Valve

1. Place the actuator on the valve and firmly hand-tighten the

coupling piece.

2. Connect the wires. See Wiring.

Mounting the SFA Actuator on a Valve

CAUTION:

The black actuator attachment support ring

must be in place on top of the valve bonnet

before installing the actuator.

If the support ring is not in place, damage to

the actuator connection may result.

1. Rotate the manual override lever and latch.

2. Place the actuator on the valve and firmly hand-tighten

the coupling piece.

CAUTION:

Failure to fully rotate the manual override

handle before hand tightening will hinder

proper valve close off.

3. Release manual override handle.

4. Connect the wires. See Wiring.

Item Number 129-335, Rev. 015 Page 1 of 4

Document No.129-335

Installation Instructions

June 22, 2005

VE0268R1

Figure 2. Mounting the Actuator on a Valve.

The installation is now complete.

Removing the Actuator from a Valve

1. Disconnect the wiring.

2. Unscrew actuator-coupling piece from the valve body

threads.

3. Remove the actuator from the valve.

Wiring

• All wiring must conform to NEC and local codes and

regulations.

• Use earth ground isolating step-down Class 2

transformers.

NOTE: Do not use autotransformers.

• Determine the supply transformer rating by summing

the total VA of all actuators used. The maximum

rating for a Class 2 step-down transformer is 100 VA.

NOTE: It is recommended that one transformer power

no more than 10 actuators.

• SFA71U/SFP71U 24 Vac actuators: Wiring

connection can be made inside the actuator housing

(remove the housing top for access).

• Line voltage actuators: Wiring connection requires

junction box and flex conduit no further than

15 inches (381 mm) from actuator.

(Red)

(Black)

24 Vac

Neutral

EA0993R2

CAUTION:

G0 and G must be properly wired for correct

function and full life of the actuator.

Figure 3. 24 Vac Actuator Wiring Diagram.

(Black)

(White)

120 Vac

Neutral

(Green)

GND

EA1036R2

Figure 4. 120 Vac Actuator Wiring Diagram.

(Red)

(White)

208 Vac

(Green)

GND

EA1140R1

Figure 5. 208 Vac Actuator Wiring Diagram.

Neutral

(Blue)

(White)

277 Vac

(Green)

GND

EA1139R1

Figure 6. 277 Vac Actuator Wiring Diagram.

Page 2 of 4 Siemens Building Technologies, Inc.

Document No. 129-335

Installation Instructions

June 22, 2005

Manual Override

For manual positioning, rotate the manual override handle

clockwise 180°, and squeeze it to latch around protruding stop.

See Figure 7.

NOTE: The actuator will automatically unlatch when power

is applied.

VE0986R1

Override

handle at

position 0.

Override

handle at

position 1.

Figure 7. Manual Override Handle Position.

When the manual override handle is at the "0" position, the

output shaft is retracted if the actuator is normally open, or

extended if normally closed. See Figure 8.

When the Manual Override handle is rotated to

position 1, the reverse is true. See Figure 9.

Start-Up

Check the wiring and the position indication.

EA0987R1

(A) Allow handle to turn counterclockwise to retract spindle.

(B) Turn handle clockwise to extend spindle.

CAUTION:

To avoid damage to actuator, DO

NOT manually assist spring return.

Figure 8. Normally Open. (SFP Series).

EA0987R1

NOTE:

The "0" and "1" position

markings are intended

for reference only and

not stroke

measurement.

(A) Allow handle to turn counterclockwise to extend spindle.

(B) Turn handle clockwise to retract spindle.

CAUTION:

To avoid damage to actuator, DO

NOT manually assist spring return.

Figure 9. Normally Closed (SFA Series).

Troubleshooting

Check the wiring for the proper connections.

References

Technical Instructions Document Number

SFA/SFP Electronic Valve Actuator 155-321P25

24 Vac or 120 Vac, 2-Position Control

Zone Valve Assemblies TB254 155-291

Siemens Building Technologies, Inc. Page

3 of 4

Document No.129-335

Installation Instructions

June 22, 2005

Dimensions

EA0258R1

2.3

(58)

4.4

(111)

3.4

(85.2)

Figure 10. Dimensions of the SF Series Actuator Shown in Inches (Millimeters).

Service Envelope

Minimum access space recommended: 8 inches (200 mm) above the actuator.

Information in this publication is based on current specifications. The company reserves the right to make changes in specifications and models as

design improvements are introduced. Other product or company names mentioned herein may be the trademarks of their respective owners.

Siemens Building Technologies, Inc.

1000 Deerfield Parkway Your feedback is important to us. If you have

comments about this document, please send

Buffalo Grove, IL 60089-4513

U.S.A. them to [email protected]

Page 4of 4

Document No. 129-335

Country of Origin: US

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