Siemens SQS35.53 User manual

Siemens Building Technologies CM1N4573E / 06.2001

Landis & Staefa Division 1/8

4573

Electric actuators

for valves with

a 5.5 mm stroke

SQS35...

SQS65...

SQS85...

SQS35.50, SQS35.53 SQS35.00, SQS35.03, SQS65, SQS65.2

SQS65.5 SQS85.00, SQS85.03

with spring return / without manual adjustment without spring return / with manual adjustment

Electric actuators

•SQS35... AC 230 V operating voltage, 3-position control signal

•SQS85...AC 24 V operating voltage, 3-position control signal

•SQS65... AC 24 V operating voltage, DC 0 ...10 V or DC 2 ... 10 V control signal

•Positioning force 400 N

•Stroke 5.5 mm

•For direct mounting on valves, without adjustment

•Optional auxiliary switch for additional functions with SQS35.00, SQS35.03,

SQS85.00 and SQS85.03

•Choice of actuators

with

without

spring return function to DIN 32 730

•Non-spring return actuators

with

position indication and

with

manual

adjustment

•Spring return actuators

with

position indication and

without

manual

adjustment

Used to operate 2-port and 3-port valves with a 5.5 mm stroke. For valve types VVG44...,

VVG55..., VVP45..., VMP43..., VMP44..., VMP45..., VXG44..., VXP45..., VVI52...

•Area of application in accordance with IEC 721-3-3 Class 3K5

•Ambient temperatures:−5 ... +50 °C

•Temperature of medium in the connected valve:+2 ...+130 °C

•The use of mounting kit ASK30 enables the following valves with a 4mm or 5.5 mm

stroke to be operated: X3i..., VVG45..., VXG45..., VXG46... and VVI51...

The reversible synchronous motor is driven with a 3-position control signal (SQS35…

and SQS85…) or a proportional DC 0…10 V (SQS65, SQS65.5) or DC 2...10 V

(SQS65.2) control signal. The corresponding stroke is generated via an anti-locking

gear mechanism.

3-position control at terminals Y1 or Y2:

•Voltage at Y1: Valve stem retracts, through-port opens

•Voltage at Y2: Valve stem extends, through-port closes

•No voltage at Y1 or Y2: Valve stem holds current position

Application

Functions

3-position or proportional

control signal

CM1N4573E / 06.2001 Siemens Building Technologies

2/8 Landis & Staefa Division

Connector S1 (under the cover, on the printed circuit board) can be repositioned to

change the flow characteristic of valves with a 5.5 mm stroke from “equal percentage”to

“linear”; in all cases the flow characteristic relates to the through-port of the valve.

•Connecting S1 to pins A and C produces an equal percentage flow characteristic

(factory setting), primarily for heating applications

•Connecting S1 to pins B and C produces a linear flow characteristic,

primarily for cooling applications

•For automatic operation, S1 must be connected either to pins A and C, or B and C,

depending on the required flow characteristic.

S1 connected to: AandC

(equal-percentage flow characteristic) S1 connected to: CandB

(linear flow characteristic)

ACB

01161

R-M

ACB

S1 U

0...10V-

max.0,5mA

0..-1kW

0...10V-

0...1mA

24V~

ACB

01162

R-M

ACB

S1 U

0...10V-

max.0,5mA

0..-1kW

0...10V-

0...1mA

24V~

Relationship between the DC 0…10 V

or DC 2…10 V control signal and the

volumetric flow rate

Control signals:

Y = DC 0 ...10 V or DC 2...10V

R = 0...1000 Ω

Flow characteristic

log = Equal-percentage valve characteristic

(factory setting)

lin = Linear valve characteristic

Flow range

k

V100 = Volumetric flow 100%

k

V0 =Volumetric flow 0 %

Volumetric flow rate

4573D01

kV100

kV0 0V

10 V

Control-

signal

Type Operating

voltage Type of control

(Control signal) Run-time

[s] Spring-

return

function

Spring-

return time

[s]

SQS35.00 150 No ---

SQS35.03 AC 230 V 3-position 35

SQS35.50 150 Yes 8

SQS35.53 35

SQS65.5 DC 0...10 V Yes 8

SQS65 35

SQS65.2 AC 24 V DC 2...10 V No ---

SQS85.00 3-position 150

SQS85.03 35

Name Type For actuators Space for

Auxiliary switch ASC9.6 SQS35.00, SQS35.03

SQS85.00, SQS85.03 1 x ASC9.6

When ordering, please specify the quantity, product name, type, and any accessories

required.

Example:

1 actuator, type SQS35.00 and 1 auxiliary switch type ASC9.6

The actuator, valve and accessories are packed separately and not assembled prior to

delivery.

SQS65...

Selecting the flow

characteristic

Position of S1

Flow characteristic

Types

Accessories

Ordering

Delivery

Siemens Building Technologies CM1N4573E / 06.2001

Landis & Staefa Division 3/8

The following 5.5 mm stroke, threaded two-port and three-port valves can be operated

with electric actuator types SQS35... , SQS65... and SQS85...

Type DN [mm] PN [bar] Data sheet

Two-port valves

VVG44... 15 ... 40 16 N4364

VVP45... 10 ... 20 16 N4845

VMP43...(2) 15, 20 16 N4841

VMP44...(2) 15, 20 16 N4844

VVG55... 15 ... 25 25 N4379

VVI52... 15 25 N4377

Three-port valves

VXG44... 15 ... 40 16 N4464

VXP45... 10 ... 20 16 N4845

VMP43... 15, 20 16 N4841

Three-port valves with bypass "T"

VMP45... 10 ... 20 16 N4845

VMP43...(4) 15, 20 16 N4841

VMP44...(4) 15, 20 16 N4844

The admissible differential pressure values ∆pmax and ∆psfor the complete motorised valve are shown in

the relevant valve data sheets.

•Electric actuator, no maintenance required

•Reversible synchronous motor

•Anti-locking gear mechanism

•SQS35.50, SQS35.53, SQS65.5 have spring return function to DIN 32730

•Load-dependent switch-off in stroke limit positions

•Selectable flow characteristic:equal percentage or linear for SQS65…actuators in

conjunction with valve types VVG44..., VVI52... and VXG44...

•Directly impacting manual adjustment for all non-spring-return actuators: SQS35.00,

SQS35.03, SQS65, SQS65.2, SQS85...

•Position indicator on all SQS35..., SQS65..., SQS85... actuators

•Accommodation for auxiliary switch type ASC9.6 on the SQS35.00, SQS35.03,

SQS85.00 and SQS85.03 actuators. An auxiliary switch (

not

the ASC9.6) is built in

as standard in actuator types SQS35.50 and SQS35.53 actuators.

4573Z03

SQS35.00, SQS35.03

SQS65, SQS65.2

SQS85...

1 Manual adjustment

2 Position indication

3 Coupling bolt for valve neck

675

01163

UMRYGG0

R-M

ACB

675

01163

UMRYGG0

R-M

ACB

SQS35..., SQS85...

5 Terminal strip

6 Auxiliary switch built-in as standard in

SQS35.50 and SQS35.53

SQS65...

5 Terminal strip

6«lin»/«log»connection

7Bridge R−

−−

−M

Compatibility

Mechanical design

Manual adjustment

Terminal strip, auxiliary

switch etc.

CM1N4573E / 06.2001 Siemens Building Technologies

4/8 Landis & Staefa Division

ASC9.6 auxiliary switch

Suitable for actuator types SQS35.00,

SQS35.03, SQS85.00 and SQS85.03

Switching point adjustable from 0…100% stroke

See “Technical data”for further information on

accessories

4573Z04

The actuator must be dismantled and separated into its various constituent materials

before disposal.

The actuators must be electrically connected in accordance with local regulations and

with the connection diagrams.

Regulations and requirements to ensure the safety of people and property must

be observed at all times.

With the SQS65… actuators, the connector used to select the flow characteristic

must be set to “lin” for valve types VVG55..., VMP..., VVP... and VXP...

The admissible temperatures (see “Application”and “Technical data”)mustbe

observed. If an auxiliary switch is required, its switching point must be indicated on the

plant schematic.

Permissible Not permissible

Instructions for fitting the actuator to the valve are shown on the back of the actuator

housing. The instructions for accessories are enclosed with the accessories

themselves.

When commissioning the system, check the wiring and functions. In addition, set the

auxiliary switch or check the settings.

4573Z07

4573Z08

Stroke «0»= Valve closed Stroke «I»= Valve open

Manual adjusterTurning the manual adjuster in an anti-clockwise direction causes

Landis & Staefa valves with a 5.5 mm stroke to close (= 0% stroke).

Accessories

Disposal

Engineering

Caution:

SQS65...

Mounting

Orientation

4573Z09

Commissioning

Siemens Building Technologies CM1N4573E / 06.2001

Landis & Staefa Division 5/8

Used in conjunction with valve types VVG44..., VVI52... or VXG44..., these actuators

generate a linear flow characteristic.

In conjunction with valve types VVG44..., VVI52... or VXG44... these actuators generate

an equal-percentage flow characteristic (factory-setting) via the integrated electronic

assembly. The flow characteristic can be changed to “linear”by repositioning the

connector.

The technical data (∆pmax,∆ps, leakage rates, noise levels, service life etc.) given for the

applications described applies only to the Landis & Staefa valves listed in this data

sheet under “Compatibility”.

The use of type SQS…actuators in conjunction with third-party valves invalidates

all claims under the Landis & Staefa warranty.

When servicing the valve: switch OFF the pump and power supply, close the main shut-

off valve in the pipework, release pressure in the pipes and allow them to cool down

completely. If necessary, disconnect electrical connections from terminals.

The actuator must be correctly fitted to the valve before re-commissioning.

Operating voltage

SQS35... AC 230 V ± 15 % , 50 / 60 Hz

SQS65... AC 24 V ± 20 % , 50 / 60 Hz

SQS85... AC 24 V ± 20 % , 50 / 60 Hz

Power consumption

SQS35.00 2.5 VA

SQS35.03 3.5 VA

SQS35.50 5 VA

SQS35.53 6 VA

SQS65, SQS65.2 4.5 VA

SQS65.5 7 VA

SQS85.00 2 VA

SQS85.03 2 VA

Switching capacity of limit switchesTerminals 11 or 12

SQS35..., SQS85... AC 250 V, 6 A resistive / 2.5 A inductive

Type of control (control signal)

SQS85... 3-position

SQS65, SQS65.5 DC 0...10 V (proportional)

SQS65.2 DC 2...10 V (proportional)

Run-time Opening or closing

SQS35.00, SQS35.50, SQS85.00 150 s at 50 Hz

SQS35.03, SQS35.53, SQS85.03 35 s at 50 Hz

SQS65, SQS65.2, SQS65.5 35 s at 50 Hz

Spring return feature

SQS35.50, SQS35.53, SQS65.5 Closing time 8 s

Positioning force 400 N

Stroke 5.5 mm

Terminal Y (SQS65, SQS65.5) DC 0 ... 10 V, max. 0.1 mA

Terminal Y (SQS65.2) DC 2 ... 10 V, max. 0.1 mA

Terminal R (SQS65, SQS65.5, SQS65.2) Resistance 0 ...1000 Ω

Terminal U (SQS65, SQS65.5, SQS65.2) DC 0 ...10 V, max. 0.5 mA

Housing protection standard IP54 to EN 60529

Cable glands Pg11 (2 x)

Temperature of medium in the connected valve +2 ... +130 °C

SQS35... / SQS85...

SQS65...

Warranty

Maintenance

Technical data

Power supply

Operating data

Signal inputs

Signal outputs

Housing protection standard

Ambient conditions

CM1N4573E / 06.2001 Siemens Building Technologies

6/8 Landis & Staefa Division

Operation To IEC 721-3-3

Environmental conditions Class 3K5

Temperature −5 ... +50 °C

Humidity 5... 95 %rh

Transport To IEC 721-2-3

Environmental conditions Class 2K3

Temperature −25 ... +70 °C

Humidity < 95 %rh

Storage To IEC 721-1-3

Environmental conditions Class 1K3

Temperature −5 ... +50 °C

Humidity 5 ... 95 %rh

Meets the requirements for CE marking:

EMC Directive 89/336/EEC

Low Voltage Directive 73/23/EEC

Dimensions See “Dimensions”

Weight

SQS35.00, SQS35.03, SQS65, SQS65.2,

SQS85.00, SQS85.03

Excluding packaging 0.5 kg

With packaging 0.6 kg

SQS35.50, SQS35.53, SQS65.5

Excluding packaging 0.6 kg

With packaging 0.7 kg

Actuator housing Plastics

Housing cover and manual adjuster Plastics

Gear train and stem with coupling Plastics

ASC9.6 auxiliary switch for SQS35…and SQS85…

Switching capacity AC 250 V, 10 A resistive / 3 A inductive

∼

4573G01

Y1 3Y2

100% 0%

11 12NL45

Cm1 Cm2 c1 ∼

21 Y1 Y2 H4

100% 0% max. 50%

Cm1 Cm2

4573G02

SQS35.00, SQS35.03

AC 230 V, 3-position, non-spring return

Cm1Limit switch 100 % stroke

Cm2 Limit switch 0 % stroke

c1 ASC9.6 auxiliary switch can be fitted

L Volt-free loop terminal for live wire

SQS35.50, SQS35.53

AC 230 V, 3-position, with spring return

c2 Built-in auxiliary switch with fixed preset

minimum flow limit control.

(Factory-fitted, not accessory like ASC9.6)

∼

90190

Y1 3Y2

100% 0%

11 12GL45

Cm1 Cm2 c1

SQS85.00, SQS85.03

AC 24 V, 3-position, non-spring return

Cm1Limit switch 100 % stroke

Cm2Limit switch 0 % stroke

c1 ASC9.6 auxiliary switch can be fitted

L Volt-free loop terminal for live wire

Industry standards

Dimensions / Weight

Materials

Accessories

Connection

diagram

SQS35...

SQS85...

Siemens Building Technologies CM1N4573E / 06.2001

Landis & Staefa Division 7/8

Connection terminals

SQS65….

GYRMU

4573G03

G, G0 Operating voltage AC 24 V

G System potential (SP) corresponds to LS on SQS65.2

G0 System neutral (SN) corresponds to NS on SQS65.2

Signal inputs

Y SQS65, SQS65.5 DC 0...10 V

SQS65.2 DC 2...10 V

RSQS65, SQS65.2, SQS65.50 ...1000 ohms

M Measuring neutral

USignal output

SQS65, SQS65.2, SQS65.5 DC 0...10 V

All connection options are illustrated in the connection diagrams. How many and which

of these are used, depends on the system.

If a device is connected to terminal R, the factory-fitted bridge across R –Monthe

printed circuit board must be cut through.

Y(1,2,3) RM MRG0Y

GY(Y')RM U

AC 24 V

N1 R1 F1 K1P1

4573A01

NS Y (1,3) RM

4573A02

AC 24 V

N1 R1 F1 P1 K1

Equipment

F1 Frost detector

K1 On/off switch

N1 CLASSIC controller

P1 Position indicator

R1 Position transmitter

K1 On/off switch

N1CLASSIC controller

P1Position indicator

R1Position transmitter

Y1Actuator

Connection

diagrams

Note

SQS65, SQS65.5

(AC 24 V, DC 0 ...10 V)

SQS65.2

(AC 24 V, DC 2 ...10 V)

CM1N4573E / 06.2001 Siemens Building Technologies

8/8 Landis & Staefa Division

All dimensions in mm

60 68

128

28 88

120

134

G¾"

111*

ø18,5

(Pg 11)

4573M01

*Height of actuator after fitting on valve

> 100 mm Minimum clearance from wall or ceiling

> 200 mm for mounting, connection, operation, service etc.

Dimensions

ã2000 Siemens Building Technologies Ltd. Subject to changes

This manual suits for next models

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