Siemens SSC161.05U User manual

Electromotoric actuator

SSC161.05U, SSC161.35U, SSC131.39U

For Powermite MT Series 2-way and 3-way globe valves

●SSC161.05U (fail-in-place), and SSC161.35U (fail-safe): Operating voltage AC/DC

24 V, modulating control signal DC 0...10 V

●SSC131.39U (fail-safe): Operating voltage AC 24 V, 3-position (floating) control

signal

●All actuators are self-calibrating to the valve stroke

●Modulating variants have position feedback signal

●Direct mounting with coupling nut, no tools required

●Manual override

●Position and actuator motion indication (LED)

●Positioning force 67 lbf (300 N)

●Parallel operation of multiple actuators possible

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Use

●For 2-way and 3-way Powermite 599 MT Series, 599-02000 - 599-02079

●Typical application in chilled ceiling, VAV, unit ventilators, fan coil unit and other terminal

unit applications

●Max.10 units of SSC161.05DU, SSC161S.35DU are able to operate in parallel, provided

the controller output suffices.

●For 3-position actuator, SSC131.39U, 24 actuators can run in parallel.

NOTICE

●SSC131.39U floating fail-safe actuators cannot be run in parallel with legacy SSC81.5U

actuators.

●For parallel operation of floating fail-safe SSC actuators all actuators in parallel must be

the same part number.

Technical design

When the actuator is driven by DC 0…10 V positioning signal, it produces a stroke, which is

transmitted to the valve stem.

3-position control signal (for SSC131.39U only)

●Voltage at Y1:

Stem extends

Normally open valve

closes, normally closed

valve opens

●Voltage at Y2:

Stem retracts

Normally open valve

opens, normally closed

valve closes

●No voltage at Y1 or Y2:

Actuator maintains its current position

●Voltage applied to both Y1

and Y2 (not recommended):

When no power is supplied, the

SSC131.39U actuator fails with

the stem fully retracted.

Stem moves to Y2

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DC 0...10 V control signal

●The valve opens / closes in proportion to the

control signal at Y.

●At DC 0 V, actuator stem is retracted, the normally

closed valve is fully closed and the normally open

valve is fully open.

●When no power is supplied, the SSC161.05U

actuator maintains its current position and the

SSC161.35U actuator fails with the stem fully

retracted.

●This actuator provides a DC 0…10 V position

feedback signal proportional to the stroke of the

actuator stem.

Y = Control signal Y [V]

H = Percentage of calibrated valve stroke

LED indication

Status

LED indication patterns

Variants 

SSC161.05U, SSC161.35U, SSC131.39U

 Modulation: Stem

retracting

Flashing green in sequence: LED1-->LED2-->LED3 (500 ms each)

Modulation: Stem

extending

Flashing green in sequence: LED3-->LED2-->LED1 (500 ms each)

Stem position

At H0 - H40: Constant green (LED3)

At H40 - H60: Constant green (LED2)

At H60 - H100: Constant green (LED1)

Fail-safe*

Flashing red (LED2): 500 ms on, 500 ms off

Calibration

Flashing green (LED2): 100 ms on, 100 ms off

Error

Constant red (LED2)

Manual operation

Flashing green/red alternatively (LED2): Green 500 ms, red 500 ms

Ultra-cap initial

charging*

Constant green & red simultaneously (LED2): Constant orange

* Only available for SSC161.35U, SSC131.39U

Type summary

Type

Stock number

Operating

voltage

Running

speed

Running time

5.5 mm

Control signal

Actuator

characteristic

SSC161.05U

S55155-A110

AC/DC 24 V

5 s/mm

27.5 s ±25 %

DC 0...10 V

Linear

SSC161.35U

S55155-A111

AC/DC 24 V

5 s/mm

27.5 s ±25 %

DC 0...10 V

Linear

SSC131.39U

S55155-A109

AC 24 V

16 s/mm

88 s ±25 %

AC 24 V

Ordering

When ordering, specify both type and quantity.

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Example:

Type

Stock number

Designation

Quantity

SSC161.05U

S55155-A110

Electromotoric actuator

Delivery

Valves and actuators can be ordered assembled in the factory or ordered separately. For

easier valve assembly, actuators ordered separately have the actuator stem fully retracted.

Valve combinations

Valves

Combinable valves for SSC161.05U, SSC161.35U, SSC131.39U, 2-way Powermite 599

MT Series (Stainless Steel)

Action

Nominal Line Size

Flow Rate

Connection

Inch

Kvs

FxF

FxUM

AFxUM

Normally

Closed

0.5

0.4

(0.34)

599-02015

599-02016

–

0.5

0.63

(0.54)

599-02017

599-02018

–

0.5

1.0

(0.85)

599-02019

599-02020

–

0.5

1.6

(1.37)

599-02021

599-02022

–

0.5

2.5

(2.15)

599-02023

599-02024

–

0.5

(3.44)

599-02025

599-02026

–

0.75

6.3

(5.43)

599-02027

599-02028

–

(8.6)

599-02029

–

Normally

Open

0.5

0.4

(0.34)

599-02047

599-02048

–

0.5

0.63

(0.54)

599-02049

599-02050

–

0.5

1.0

(0.85)

599-02051

599-02052

–

0.5

1.6

(1.37)

599-02053

–

0.5

2.5

(2.15)

599-02055

599-02056

599-02057

0.5

(3.44)

599-02058

599-02059

599-02060

0.75

6.3

(5.43)

599-02061

599-02062

–

(8.6)

599-02063

–

Combinable valves for SSC161.05U, SSC161.35U, SSC131.39U, 2-way Powermite 599

MT Series (Brass)

Action

Nominal Line Size

Flow Rate

Connection

Inch

Kvs

FxF

FxUM

AFxUM

Normally

Closed

0.5

0.4

(0.34)

599-02000

599-02001

–

0.5

0.63

(0.54)

599-02002

599-02003

–

0.5

1.0

(0.85)

599-02004

599-02005

–

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Action

Nominal Line Size

Flow Rate

Connection

Inch

Kvs

FxF

FxUM

AFxUM

0.5

1.6

(1.37)

599-02006

599-02007

–

0.5

2.5

(2.15)

599-02008

599-02009

–

0.5

(3.44)

599-02010

599-02011

–

0.75

6.3

(5.43)

599-02012

599-02013

–

(8.6)

599-02014

–

Normally

Open

0.5

0.4

(0.34)

599-02030

599-02031

–

0.5

0.63

(0.54)

599-02032

599-02033

–

0.5

1.0

(0.85)

599-02034

599-02035

–

0.5

1.6

(1.37)

599-02036

599-02037

–

0.5

2.5

(2.15)

599-02038

599-02039

599-02040

0.5

(3.44)

599-02041

599-02042

599-02043

0.75

6.3

(5.43)

599-02044

599-02045

–

(8.6)

599-02046

–

Combinable valves for SSC161.05U, SSC161.35U, SSC131.39U, 3-way Powermite 599

MT Series

Nominal Line Size

Flow Rate

Connection

Inch

Kvs

Brass Trim

Stainless Steel

Trim

0.5

0.4

(0.34)

599-02064

599-02072

0.5

0.63

(0.54)

599-02065

599-02073

0.5

1.0

(0.85)

599-02066

599-02074

0.5

1.6

(1.37)

599-02067

599-02075

0.5

2.5

(2.15)

599-02068

599-02076

0.5

(3.44)

599-02069

599-02077

0.75

6.3

(5.43)

599-02070

599-02078

(8.6)

599-02071

599-02079

Product documentation

Topic

Title

Document ID

Installation

Mounting instruction

A6V13122038

Standards and directives

CE declarations

A5W00254962A

RCM conformity

A5W00254983A

Environmental compatibility

Environmental declarations for

SSC161.05U

A5W00242127A

Environmental declarations for

SSC131.39U, SSC161.35U

A5W00244689A

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Related documents such as the environmental declarations, CE declarations, etc., can be

downloaded from the following Internet address:

www.siemens.com/bt/download

Notes

Engineering

The actuators must be electrically connected in accordance with local regulations (see

"Connection diagrams [▶14]”).

CAUTION

National safety regulations

Failure to comply with national safety regulations may result in personal injury and property

damage.

●Observe national provisions and comply with the appropriate safety regulations.

Observe permissible temperatures (see "Technical data [▶10]").

Mounting

WARNING

●Do not use pipe wrenches, pliers or similar tools.

●Avoid lateral pressure or (cable) tension on the mounted actuator!

Valve and actuator are easy to assemble on site before commissioning:

●Remove protective cover from the valve body.

●Position the actuator and tighten the connection nut manually.

●See "Mounting instruction" for graphical instructions.

Orientation

Commissioning

When commissioning, check both wiring and functioning of the actuator.

●Actuator stem extends

Normally open valve closes, normally closed valve opens

●Actuator stem retracts

Normally open valve opens, normally closed valve closes

NOTICE

The actuator must be commissioned only with a correctly mounted valve in place!

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Self-calibration

When operating voltage is applied, the actuators self-calibrate (fully retracted ➙fully

extended ➙setpoint).

CAUTION

Never intervene manually during self-calibration.

NOTICE

●Correct calibration is only possible with valve stroke > 0.05 inch (1.2 mm). Valve stroke

< 0.05 inch (1.2 mm) results in calibration failure.

●If calibration fails, the actuator performs another calibration automatically after

10 seconds.

●After three failed calibration attempts, the actuator stem remains in the extended

position and the valves are open.

Electrical fail-safe function (for SSC161.35U, SSC131.39U only)

When first connected to power, or after a power failure, the capacitor which stores energy for

the fail-safe function will be charged. This process takes up to 180 seconds. While the

capacitor is being charged, the actuator cannot respond to any control signals.

In the event of a power failure of more than 5 seconds, the actuator will return to its fail-safe

position within 30 seconds.

Manual operation

A 3-mm Allen wrench can be used to move the actuator to any position.

To move the actuator stem manually

1. Open the cover using a proper screwdriver.

2. Press and hold down button (a) illustrated below for at least three seconds.

–The actuator ignores any control signal from the controller.

Power

Calibration Y

Fully retracted

Fully extended

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3. Adjust the position of the actuator stem by rotating Allen wrench (b) illustrated below

clockwise or counter-clockwise.

–The actuator stem moves down if you rotate clockwise; it moves up if you rotate

counter-clockwise. The manually set position is retained.

4. To release the actuator from manual operation mode, press and hold down button (a)

illustrated below again for at least three seconds.

–The actuator runs a self-calibration automatically. Control signal sent from the

controller takes effect.

5. Close the cover.

NOTICE

If operating voltage is applied to actuator, press button (a) before and after manually

adjusting the position of the actuator stem. If no operating voltage and control signal are

applied, manual operation can be done without pressing button (a).

Cabling operation

1. Unscrew cover screw

2. Remove cover

3. Remove terminal block and connect or disconnect wire terminals.

4. Re-install the terminal block

5. Install the cover

6. Screw in the cover screw

Maintenance

The actuators require no maintenance.

A6V11858278Z12

3 mm

(b)

(a)

> 3s

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WARNING

Operating voltage must be switched off during any maintenance!

NOTICE

When carrying out service work on the plant, note the following:

●Switch off operating voltage.

●If necessary, disconnect electrical connections from the terminals.

●The actuator must be commissioned only with a correctly mounted valve in place!

Repair

The actuators cannot be repaired; the complete unit must be replaced.

Disposal

The device is considered an electronic device for disposal and may not

be disposed of as domestic waste.

●Dispose of the device through channels provided for this purpose.

●Comply with all local and currently applicable laws and regulations.

Warranty

Technical data on specific applications are valid only together with Siemens products listed

under "Equipment combinations". Siemens rejects any and all warranties in the event that

third-party products are used.

Open Source Software (OSS)

Software license overview

These devices use Open Source Software (OSS). All Open Source Software components

used in the product (to include copyrights and licensing agreement) are available at

http://siemens.com/bt/download.

Firmware version

OSS document

Device

Document ID

Title

2.10.0 or above

A6V13503690

Readme OSS for Modulating Room Actuator 200N, 300N

All

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Technical data

Power supply

Operating voltage

SSC161.05U,

SSC161.35U

AC 24 V (±15 %) or DC 24 V (±20 %)

SSC131.39U

AC 24 V (±20 %)

Frequency

50/60 Hz

Power consumption

SSC161.05U

Normal Operation: 3.5 VA (AC); 1.5 W (DC)

Peak (Ultra cap recharge): N/A

SSC161.35U

Normal Operation: 3.5 VA (AC); 1.5 W (DC)

Peak (Ultra cap recharge): 8 VA (AC); 4 W (DC)

SSC131.39U

Normal Operation: 3 VA (AC); 1.5 W (DC)

Peak (Ultra cap recharge): 6 VA (AC); 4 W (DC)

Primary fuse or breaker rating

External, 2 A quick blow

Signal input

Control signal

Modulating: DC 0...10 V to Y

Floating: AC 24 V to Y1 or Y2

Input impedance

100 kOhm

Parallel operation (number of actuators)

Max. 10 modulating or 24 floating actuators1)

1) Provided that the controller output is sufficient.

Signal output

Feedback signal (modulating actuators only)

DC 0...10 V

Max. output current

1 mA

Max. output voltage

Resolution

1:100

Operating data

Position with de-energized contact Y

See "Technical design [▶2]"

Running speed (time for 5.5 mm)

SSC161.05U, SSC161.35U: 5 s/mm ±25 % (27.5 s ±

25 %)

SSC131.39U: 16 s/mm ±25 % (88 s ±25 %)

Positioning force

67 lbf (300 N )

Stroke

0.05" to 0.25" inch (1.2…6.5 mm )

Permissible temperature of medium in the connected

valve

34 to 248°F (1…120℃)

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