Siemens SQU83 User manual

CM1N4506en

07.06.2004

Siemens Building Technologies

HVAC Products

4506

SQK33.00

SQL33.00

SQL83.00

Electric actuators for

butterfly valves

with 90° angle of rotation

SQK33.00

SQL33.0...

SQL83...

• SQK33.00 Operating voltage AC 230 V

• SQL33.0... Operating voltage AC 230 V

• SQL83.00 Operating voltage AC 24 V

• 3-position control signal

• Auxiliary switch and potentiometer for additional functions

• Nominal angle of rotation 90°

• Reversible electric motor

• For mounting on butterfly valves and slipper valves with ASK… mounting kit

• With manual adjuster and position indicator

Use

For use in heating, ventilation and air conditioning systems to operate Siemens butterfly

valves and three-port and four-port slipper valves (mixing valves), types K1i…,

VKF41…, VB… and VC... (see "Equipment combinations") and valves from other

manufacturers.

The actuators can be fitted with additional auxiliary switches and potentiometers

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Siemens Building Technologies Electric actuators for butterfly valves CM1N4506en

HVAC Products 07.06.2004

Functions

If the actuator is driven by a 3-position signal from the controller, it generates a rotary

motion which is transferred to the valve (butterfly, slipper valve, three-port or four-port

mixing valve).

Direction of rotation of the actuator on delivery:

• Voltage at Y1 = Clockwise rotation

• Voltage at Y2 = Anti-clockwise rotation

• No voltage = No rotation; actuator fixed in relevant position

The direction of rotation can be reversed if required.

• The SQK33.00 actuator can be fitted with an auxiliary switch

• The SQL… actuators can be fitted with an auxiliary switch, a dual auxiliary switch or

an auxiliary switch and a 1000-ohm potentiometer.

If an auxiliary switch and/or potentiometer are fitted, the electrical wiring must take

account of this. Refer to the wiring diagram under the actuator cover and see also the

"Commissioning" and "Connection diagrams" sections in this data sheet.

Types

Type Operating Control Run-time Space for Accessory function

voltage signal for 90° at 50 Hz accessories

SQK33.00 AC 230 V 3-position 125 s 1 x ASC9.5 only 1 auxiliary switch

SQL33.00 AC 230 V 125 s 1 x ASC9.5 or 1 auxiliary switch

SQL33.03 AC 230 V 3-position 30 s 1 x ASC9.4 or 1 dual auxiliary switch

SQL83.00 AC 24 V 125 s 1 x ASZ7.4 1 auxiliary switch and 1000 Ω potentiometer

ASK31 For slipper valves, type VBF21 … (DN65 ... DN150), Series 01

ASK32 For slipper valves, type VB… / VC (DN¾"... DN1½") Series 02

or VBF21... (DN40 / 50)

ASK33 For butterfly valves, type VKF41… (DN40 ... DN200), K1i... (¾”...1¼”)

ASK40 For slipper valves from other manufacturers, see data sheet N4291

ASK41 For slipper valves from other manufacturers, see data sheet N4291

ASC9.5 1 auxiliary switch

ASC9.4 1 dual auxiliary switch

ASZ7.4 1 auxiliary switch and one 1000-ohm potentiometer

Ordering

The actuator, slipper valve or butterfly valve, mounting kit and accessories must be

ordered separately.

When ordering, please specify the quantity, product name and type code.

1 actuator, type SQL33.03, 1 mounting kit, type ASK31 and

1 auxiliary switch with ASZ7.4 potentiometer

The actuator, valve or butterfly valve, ASK.. mounting kit and accessories are packed

separately and are not delivered fully assembled.

Extending the actuator

functions

Mounting kits

Accessories

Example:

Delivery .

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Siemens Building Technologies Electric actuators for butterfly valves CM1N4506en

HVAC Products 07.06.2004

Equipment combinations

The table below shows which actuators may be used with which slipper valves and

butterfly valves, and indicates the appropriate mounting kits in each case.

Actuators

Valves

PN class Data

sheet

SQK33.00 SQL33.00

SQL83.00

SQL33.03 Mounting

kits

Nominal size (DN)

Three-port slipper valves

(Mixing)

VBF21... (40 ... 50) PN6 N4241 40 / 50 40 / 50 40 / 50 ASK32

(65 ...150) PN6 N4241 --- 65 ...150 65 ...150 ASK31

VBI31... (¾”...1½”) PN10 N4232 ¾”...1½” ¾”...1½” ¾”...1½”

ASK32

VBG31... (¾”...1½”) PN10 N4233 ¾”...1½” ¾”...1½” ¾”...1½”

ASK32

Other

makes

PN6... --- ¾”...1½” ¾”... 2" ¾”... 2" ASK40 *)

ASK41 *)

Four-port valves

(Mixing)

VCI31... (¾”...1½”) PN10 N4252 ¾”...1½” ¾”...1½” ¾”...1½”

ASK32

Other

makes

PN6... --- ¾”...1½” ¾”... ¾”... 2"

ASK40 *)

ASK41 *)

Butterfly valves

K1i... (¾”...1¼”) PN6 N4111 ¾”...1¼” ¾”...1¼” --- ASK33

VKF41... (40 ... 200) PN16 N4131 40 40 ... 200 40 ... 200 ASK33

*) Mounting kits ASK40 and ASK41 for non-Siemens actuators: refer to data sheet N42291

Mechanical design

The electric actuators require no maintenance. They have a reversible synchronous

motor and reduction gears with self-lubricating sinter bearings. The housing base and

the console are die-cast aluminium, and the cover is plastic.

"AUTO" and "MANUAL" modes can be selected with a rotary switch on the housing

base. When the switch is set to "MANUAL", the actuator and valve can be operated

with a manual lever. For manual operation, the angle of rotation is mechanically limited

by an end-stop.

The actuators supplied have a 90° angle of rotation suitable for the Siemens valves.

During automatic operation, rotation is limited by two built-in end-switches. For non-

Siemens valves, the angle of rotation in the range 70° to 180° can be selected by

repositioning the switching cams.

The direction of operation of the actuator can be reversed (refer to "Commissioning").

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Siemens Building Technologies Electric actuators for butterfly valves CM1N4506en

HVAC Products 07.06.2004

Rotary "AUTO" / "MAN" switch

Manual lever

Console (e.g. ASK31 mounting kit)

Terminal strip

Dual end-switch (always factory fitted)

Connector for reversal of direction of rotation

(only with SQK33.00, SQL33.0…, SQL83.00)

1 auxiliary switch

for SQK33.00,

SQL33.0...

SQL83.00

4554Z04

1 dual auxiliary switch

for SQL33.0...

SQL83.00

4554Z06

1 auxiliary switch and

1 1000-ohm potentiometer

for SQL33.0...

SQL83.00

4554Z05

Engineering

• Butterfly valves: see data sheets N4100 … N4199.

• Three-port and four-port slipper valves: see data sheets N4200 … N4299.

• Admissible ambient temperatures, see "Technical data".

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.

If additional functions are to be controlled by the actuator, the ASC9.. (auxiliary switch)

or ASZ7.5 (auxiliary switch / potentiometer) must be fitted. The relevant switching

point(s) and zero-ohm position must be noted in the plant documentation.

Accessory ASC9.5

Accessory ASC9.4

Accessory ASZ7.4

Electrical installation

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Siemens Building Technologies Electric actuators for butterfly valves CM1N4506en

HVAC Products 07.06.2004

Mounting

Mounting instructions are enclosed with the mounting kit.

The valve, actuator and mounting kit are packed separately. The valve and actuator

can be assembled easily on site. There is no need for special tools or calibration.

Take care to install the valve the right way up. Refer to the mounting instructions for the

valve concerned (butterfly or slipper valves).

90°

4362Z01

90°

Commissioning

When commissioning the complete motorised valve, consisting of actuator, mounting kit

and (butterfly or slipper) valve, check the wiring and test the functions. This also

applies to any additional components fitted (e.g. auxiliary switch or potentiometer).

Siemens slipper valves up to DN50 can be commissioned without an actuator being

fitted. In this case, the flow rate must be adjusted manually with the standard manual

adjuster fitted to the valve.

For automatic operation, the rotary switch must be set to "AUTO".

"AUTO" = Automatic operation "MAN" = Manual operation

The actuators are factory-set to rotate in a clockwise direction (as seen from the front).

The direction of rotation can be reversed by repositioning a connector located under the

cover (see "Mechanical design").

The wiring for the OPEN and CLOSE control signal is not affected.

As supplied Direction of rotation reversed

Orientation

Note

Mode of operation

Rotary switch for

mode selection

Reversing the

direction of rotation

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Siemens Building Technologies Electric actuators for butterfly valves CM1N4506en

HVAC Products 07.06.2004

The angle of rotation is factory-set to 90°. However, the angle can be changed to

between 70° and 180°. This may be necessary when using non-Siemens valves.

Special notes on this subject will be found in the mounting instructions for the ASK40

and ASK41 (mounting kits for non-Siemens valves).

Maintenance

The actuators require no maintenance.

When servicing the valve and/or actuator: 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.

Disposal

The device may not be disposed of together with domestic waste. This applies in

particular to the PCB.

Legislation may demand special handling of certain components, or it may be sensible

from an ecological point of view.

Current local legislation must be observed.

Warranty

The technical data given for these applications is valid only in conjunction with the

Siemens valves (butterfly and slipper valves) and third-party valves for use with the

ASK40 / ASK41, as described under "Compatibility". The use of third-party valves

other than those recommended by Siemens invalidates the warranty.

Technical data

Power supply Rated voltage

SQK33.00, SQL33.00, SQL33.03

SQL83.00

AC 230 V ± 15 %

AC 24 V ± 20 %

Rated frequency 50 / 60 Hz

Control signal 3-position

Power consumption *)

SQK33.00

SQL33.00, SQL83.00

SQL33.0...

3 VA

4 VA

6.5 VA

Operating data Run-time for rotation through 90° at 50 Hz at 60 Hz

SQK33.00, SQL33.00

SQL83.00

SQL33.03

125 s

30 s

105 s

25 s

Angle of rotation

Factory setting

Adjustment range

90° ± 2°

70° ...180°

Setting the angle of

rotation

Warning !

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Siemens Building Technologies Electric actuators for butterfly valves CM1N4506en

HVAC Products 07.06.2004

Torque *) Nominal torque Starting torque

SQK33.00

SQL33.03

SQL33.00, SQL83.00

5 Nm

10 Nm

12.5 Nm

10 Nm

12 Nm

25 Nm

End switch

Switching capacity

Switching differential

AC 250 V, 6 (2) A

Approx. 1°

Materials Housing base and console Die-cast aluminium

Cover Plastic

Dimensions / Weight Dimensions See “Dimensions”

Cable glands ∅20,5 (M20) (4x)

Weight

SQK33.00

SQL33.00, SQL83.00

SQL33.03, SQL35.00, SQL85.00

1.25 kg

1.35 kg

1.40 kg

Ambient conditions Max. admissible temperature of medium in

assembled valve

> 120 °C

Operation

– Environmental conditions

– Temperature

– Humidity

To IEC 721-3-3

Class 3K5

–15 ... +55 °C

5 ... 95 % rh

Transport

– Environmental conditions

– Temperature

– Humidity

To IEC 721-2-3

Class 3K2

– 30 ... +65 °C

< 95 % rh

Storage

– Environmental conditions

– Temperature

– Humidity

To IEC 721-1-3

Class 3K1

–15 ... +55 °C

0 ... 95 % rh

Industry standards Meets the requirements for CE marking in

EMC Directive

Low Voltage Directive

89/336/EEC

73/23/EEC

Housing protection standard IP44 to IEC529 / DIN40050

Accessories ASC9.5 Auxiliary switch

ASC9.4

Switching capacity

Switching differential

Dual auxiliary switch

AC 250 V,

10 A resistive / 3 A inductive

Approx. 1°

ASZ7.4

Switching capacity

Switching differential

Change in resistance

Auxiliary switch with potentiometer

AC 250 V,

10 A resistive / 3 A inductive

Approx. 1°

0 ... 90° corresponding to

0 ...1000 ohm

*) These values apply at nominal voltage, at an ambient temperature of 20°C and at the

specified nominal running time

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Siemens Building Technologies Electric actuators for butterfly valves CM1N4506en

HVAC Products 07.06.2004

Connection diagrams

SQK33.00 SQL33.00, SQL33.03

Cm1 End switch

Cm2 End switch

c1 1 auxiliary switch ASC9.5 or

c1, c2 1 dual auxiliary switch ASC9.4

c1, 1000Ω1 installable module ASZ7.4

(1 auxiliary switch and

1 potentiometer)

Dimensions

All dimensions in mm

Installation height H*

for actuator with mounting kit

ASK31 162 mm

ASK32 132 mm

ASK33 162 mm

Installation height H*

for actuator with mounting kit

ASK31 188 mm

ASK32 158 mm

ASK33 188 mm

= Installation height of slipper or butterfly valve from the middle of the pipe

+ Installation height H* of the actuator with mounting kit

+ Minimum clearance from ceiling or wall for mounting, connection,

operation, service etc. ∆>100 mm

∆ ∆ >200 mm

SQL83.00

SQK33.00

SQL33.0... / SQL83.00

Overall height of valve

and actuator

2004 Siemens Building Technologies Ltd. Subject to technical alteration

∅20,5 (M20)

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