Siemens Flowrite 599 Series Manuale del proprietario

599 Series

Zone Valve Actuator

Technical Instructions

Document No. 155-321P25

August 8, 2017

SF Series Electronic

Valve Actuator, 2-position Control

Siemens Industry, Inc.

Description The 599 SF Series electronic zone valve actuators, accepts 24 Vac or 120 Vac power

supply signal to provide two-position control. This actuator works with Siemens 599

Series zone valves with 1/10-inch (2.5 mm) stroke.

Features •UL listed for plenum installations

•Direct coupled installation without tools

•Manual override

•Visual position indication

•Spring return fail-safe operation

Application For use in heating and cooling HVAC applications with Siemens 599 Series Zone

Valves that need 24 lb (105N) nominal force.

Product Number Table 1.

Actuator

Product Number Power

Supply

NO SFP71U 24 Vac

SFP11U 120 Vac

NC SFA71U 24 Vac

SFA11U 120 Vac

* Actuator with 2.5-meter cable only; not available as an assembly.

Ordering

Information To order a complete valve plus actuator assembly from the factory, combine the

actuator prefix code with the suffix of the valve product number. See Technical Bulletin

TB254 (155-291) for selection procedures.

To order a single actuator, use the part number (for example, SFA11U).

Technical Instructions 599 Series Zone Valve Actuator

Document No. 155-321P25 SF Series Electronic Valve Actuator

August 8, 2017 2-position Control

Page 2 Siemens Industry, Inc.

Warning/Caution Notations

WARNING: Personal injury or loss of life may occur if you do not perform

a procedure as specified.

CAUTION: Equipment damage may occur if you do not perform a

procedure as specified.

Specifications

Power supply

24 Vac 120 Vac

Frequency 50/60 Hz 60 Hz

Power consumption 9.8 VA 9.8 VA

Function Running time 10 seconds

Nominal stroke 1/10-inch (2.5 mm)

Nominal force 24 lb (105Nm)

Agency certification UL listed to UL873

cUL certified to Canadian Standard

C22.2 No. 24-93

Ambient conditions Operation

Temperature 41°F to 122°F (5°C to 50°C)

Humidity 0% to 90% rh (non-condensing)

Transport and storage

Temperature –13°F to 158°F (–25°C to 70°C)

Humidity 0% to 90% rh (non-condensing)

Miscellaneous Mounting location NEMA 1 (interior only)

Noise <35 db

Medium temperature 34°F to 230°F (1°C to 110°C)

Dimensions- Inches (mm) 3.4 (85.2) H × 4.4 (111) W × 2.3 (58) D

Weight 1.18 lb (0.54 kg)

Operation A 24 Vac or 120 Vac control signal drives the actuator from its normal

(0 voltage) position.

In the event of power loss, the actuator will return to its normal extended position for the

SFA model actuators or normal retracted position for the SFP models.

CAUTION:

When selecting a heating or cooling on/off zone valve that must be closed for

long periods of time or an entire season, use a Normally Closed actuator (such as

the SFA71U Actuator) for new or replacement applications.

If the valve needs to be open for extended periods of time or an entire season,

use a Normally Open actuator (such as the SFP71U Actuator) for new or

replacement applications.

SFP Actuators should not be used on hot water systems that remain operational

all year long or where actuators are continually commanded closed during the

summer.

599 Series Zone Valve Actuator Technical Instructions

SF Series Electronic Valve Actuator Document No. 155-321P25

2-position Control August 8, 2017

Siemens Industry, Inc. Page 3

Mounting and

Installation

Figure 1. Mounting Position.

•Mount the actuator in one of the allowable positions shown in Figure 1.

•When mounting the actuator in a plenum, the proper cable must be attached

to meet local codes.

•Allow 8 inches (200 mm) above the actuator and 8 inches (200 mm) behind

the cable for service.

•Installation Instructions are included with the actuator.

Wiring

Figure 2.

24 Vac Wiring Diagram. Figure 3.

120 Vac Wring Diagram.

WARNING:

Wire connection, G is Hot, not ground.

•Do not use autotransformers.

•Use earth-ground isolating, step-down, Class 2, power supplies.

•Determine supply transformer rating by summing total VA of all actuators

used.

•SFA71U/SFP71U 24 Vac actuators: Wiring connection is inside the actuator

housing (remove housing top for access). The actuator lead length is 10

inches (254 mm).

•SFA11U/SFP11U 120 Vac actuators: Wiring connection requires junction box

and flex conduit no further than 15 inches (381 mm) from the actuator. The

actuator lead length is 18 inches (457 mm).

NOTE: One transformer should power no more than 10 actuators.

Technical Instructions 599 Series Zone Valve Actuator

Document No. 155-321P25 SF Series Electronic Valve Actuator

August 8, 2017 2-position Control

Page 4 Siemens Industry, Inc.

Manual

Override For manual positioning, simply turn the manual override handle to the protruding stop and

squeeze the handle to latch and hold its position.

The actuator will maintain its position until power is provided.

Figure 4. Manual Override Handle Positioning.

Start-Up Check the wiring and the position indication.

When the position indicator is in the 0position:

SFP: The output shaft will be retracted; the actuator is Normally Open. See Figure 5.

SFA: The output shaft will be extended; the actuator is Normally Closed. See Figure 6.

When the position indicator is in the 1position, the reverse is true.

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

(B) Turn handle clockwise to extend spindle.

Figure 5. SFP Models, Normally Open.

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

(B) Turn handle clockwise to retract spindle.

Figure 6. SFA Models, Normally Closed.

NOTE:

The 0and 1position

indicators are intended

for reference only, and

not for stroke

measurement.

CAUTION:

Avoid damage to

actuator; DO NOT

manually assist

spring return.

599 Series Zone Valve Actuator Technical Instructions

SF Series Electronic Valve Actuator Document No. 155-321P25

2-position Control August 8, 2017

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. Product or company names mentioned herein may be the trademarks of their respective owners.

Siemens Industry, Inc.

Building Technologies Division

1000 Deerfield Parkway

Buffalo Grove, IL 60089

USA

+ 1 847-215-1000

Your feedback is important to us. If you have comments

about this document, pleasesend them to

sbt_technical.editor.us.sbt@siemens.com

Document No. 155-321P25

Printed in the USA

Page 5

Troubleshooting See Wiring for proper connections.

Service Kits If the actuator is inoperative, replace the unit.

Dimensions

Inches (Millimeters)

Figure 7. Dimensions of the SFx Series Actuator.

Service Envelope Minimum access space recommended:

8 inches (200 mm) above the actuator and beside the terminal plug.

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