Siemens OpenAir GSD 1 Series Bedienungsanleitung

CE2N4603en

2019-11-25

Smart Infrastructure

4603

OpenAir™

Air damper actuators

GSD...1

Rotary version, AC/DC 24 V and AC 230 V

•Electric motor-driven rotary actuators for open-close control (1-wire SPST)

•2 Nm nominal torque

•AC/DC 24 V or AC 230 V rated voltage

•Prewired with 0.9 m connecting cable

•Slider for manual adjustment

•Auxiliary switch for auxiliary functions

GSD…1

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Use

•For damper areas up to 0.3 m2, friction dependent.

•For directly driven zone dampers to control air flow in air ducts.

Accessories / Spare parts

•Rotation Limiter Kit ASK74.11

Type summary

Type

Operating

voltage

Control

signal

Cable

length

Shaft

diameter

Auxiliary

switch

GSD121.1A*

AC/DC 24 V

Open-close**

0.9 m

8…15 mm

GSD126.1A*

AC/DC 24 V

Open-close**

0.9 m

8…15 mm

yes

GSD321.1A*

AC 230 V

Open-close**

0.9 m

8…15 mm

GSD326.1A*

AC 230 V

Open-close**

0.9 m

8…15 mm

yes

* While stocks last

**1-wire, SPST: Single-pole, single-throw

Refer to „Internal Diagrams“, page 7.

Functions

Type

GSD121.1A

GSD126.1A

GSD321.1A

GSD326.1A

Control type

Open-close *

Rotary direction

Clockwise or counter-clockwise movement depends on the actuator's mounting

position on the damper shaft…

Slider

Pressing the slider allows for manual actuator adjustment.

Auxiliary switch

GSD...6.1A: Set switching points at 5° or 85°.

* 1-wire, SPST: Single-pole, single-throw

Technical data

Operating voltage AC / frequency

Operating voltage DC

AC 24 V ± 20% ; 50 / 60 Hz

DC 24 V ± 15%

Power consumption

GSD121.1A / GSD126.1A: (running)

(holding)

2 VA / 1.5 W

1 VA / 0.5 W

Safety extra-low voltage (SELV) or

Protective extra-low voltage (PELV) as per

HD 384

Operating voltage / Frequency

AC 230 V ± 15%; 50/60 Hz

Fuse for incoming supply line (fast)

2 A.

Power consumption

GSD321.1A / GSD326.1A: (running)

(holding)

12 VA / 2 W

Nominal torque

2 Nm

Maximum torque

6 Nm

Nominal rotational angle

90

Maximum rotational angle

(mechanically limited)

95 ± 2°

Runtime at nominal rotational angle 90°

30 s

Duty cycle

100%

Direction of rotation

Clockwise/counter-clockwise

Non-spring return rotary

actuators GSD

Power supply

AC/DC 24 V

Supply voltage

AC 230 V

Functional data

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Mechanical life

25 000 cycles

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AC –Power

−Switching voltage

−Rated voltage resistive / inductive

No mixed operation AC 24 V / 230 V

DC –Power

−Switching voltage

−Rated current

−Factory switch setting:

−Switch A (set)

−Switch B (set)

AC 24…230 V

6 A / 2 A

DC 12…30 V

DC 2 A

5°

85°

Cable length

0.9 m

Cross-section

0.75 mm2

Protection as per EN 60 529

IP40

Insulation protective class

−AC 230 V

−AC/DC 24 V

EN 60 730

Operation

−Climatic conditions

−Mounting location

−Temperature (extended)

−Humidity, non-condensing

IEC 721-3-3

Class 3K5

Interior, weather-protected

-32...+55 C

95% r.h.

Transportation

−Climatic conditions

−Temperature (extended)

−Humidity, non-condensing

IEC 721-3-2

Class 2K3

-32…+70 C

< 95% r.h.

Storage

−Climatic conditions

−Temperature (extended)

−Humidity, non-condensing

IEC 721-3-1

Class 1K3

-32…+50 C

< 95% r.h.

Mechanical conditions

Class 2M2

Product safety

Automatic electrical controls for household

and similar use

IEC/EN 60 730-2-14 (Type 1)

Electromagnetic compatibility (Application)

For residential, commercial and

industrial environments

EU Conformity (CE)

A5W00004362 1)

RCM Conformity

A5W00004363 1)

Product environmental declaration 2)

CM2E4604E 1)

Actuator

W H D

See "Dimensions”

Damper shaft

−Rectangular

Min. length

Max. shaft hardness

6…11 mm

20 mm

300 HV

−Round

Min. length

Max. shaft hardness

8…15 mm

20 mm

300 HV

Excl. packaging

−GSD..21.1A

−GSD..26.1A

0.440 kg

0.560 kg

1) The documents can be downloaded from http://siemens.com/bt/download

2) The product environmental declaration contains data on environmentally compatible product design

and assessments (RoHS compliance, materials composition, packaging, environmental benefit,

disposal).

Auxiliary switch

Connection cables

Housing type

Protection class

Environmental conditions

Standards

Dimensions

Weight

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Mechanical design

Fiberglass-reinforced plastic

Maintenance-free, noise-free

Engineering notes

This section explains general and system-specific regulations for mains and

operating voltages. It also contains important information on your own safety and

that of your plant.

Use these actuators as described in the basic system documentation for the

applied control systems. In addition, take account of all actuator-specific features

and conditions as described in the brief description on the front page of this data

sheet (bold print) as well as the sections "Use", "Engineering notes", and

"Technical data".

Sections flagged with the warning symbol to the left contain safety-related

requirements and restrictions that must be adhered to at all times to prevent

physical injury and equipment damage.

Operate the actuators only on safety extra-low voltage (SELV) or protective extra-

low voltage (PELV) as per HD 384.

The actuators are double-insulated and there is no connection for the protective

ground.

Apply only mains voltage or protective extra-low voltage to the switching outputs of

the auxiliary switch. Mixed operation is not allowed. Operation at various phases is

not allowed.

Do not open the actuators!

•The actuators are maintenance-free.

•Only the manufacturer may carry out repair work.

•Opening the actuator will void the warranty.

Up to 10 actuators of the same type can be electrically wired in parallel; cable

length and cable cross-sections must be observed.

Selection of the actuator depends on several torque factors. After obtaining the

damper torque rating (Nm/m²) from the manufacturer and determining the damper

area, calculate the total torque required to move the damper as follows:

Non-spring return damper actuators:

IF total torque (SF¹):

Use type:

2 Nm

GSD…1.1A / GSD…6.1A (2 Nm)

GXD…1 (1,5 Nm)

5 Nm

GDB…1 (5 Nm)

10 Nm

GLB…1 (10 Nm)

15 Nm

GEB…1 (15 Nm)

25 Nm

GBB…1 (25 Nm)

35 Nm

GIB… 1 (35 Nm)

¹ Safety factor SF: When calculating the required torque, non-definable variables

such as slight misalignment, damper age, etc. must be included as a safety factor.

We recommend a safety factor of 0.8 (or 80 % of the torque characteristic).

Basic components

Housing

Gear train

STOP

Intended use

AC/DC 24 V supply

AC 230 V supply

Auxiliary switch

CAUTION

Electric, parallel

connection of actuators

Required actuator type

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Use safety insulating transformers as per EN 61 558 with double insulation

designed for 100 % duty to supply SELV or PELV circuits..

Observe all local safety rules and regulations pertaining to the sizing and protection

of transformers.

Determine the transformer power consumption by adding up the power

consumption in VA for all actuators used.

Refer to the sections “Commissioning notes” and “Wiring diagrams” in this data

sheet as well as to the HVAC job drawings.

Mounting notes

All information and steps to properly prepare and mount the actuator are listed in

the mounting instructions supplied with the actuator.

Mount the actuator in a position which ensures easy access to the cables and to

the shaft adapter. See "Dimensions”.

Information on minimum length and diameter for the damper shaft is available in

the "Technical data" section.

Pressing the eject button allows you to manually adjust the actuator.

Disposal

The device is considered an electronics device for disposal in terms of

European Directive 2012/19/EU and may not be disposed of as

domestic garbage.

●Dispose of the device through channels provided for this

purpose.

●Comply with all local and currently applicable laws and

regulations.

Transformer sizing for

AC 24 V

Wiring and

commissioning

Mounting instructions

Mounting position

Damper shafts

Manual adjustment

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Commissioning notes

For commissioning, the following reference documentation must be available::

•This data sheet.

•HVAC job diagram.

Check to ensure that all permissible values as contained in the section “Technical

data" have been observed.

•Check for proper mounting and ensure that all mechanical settings correspond

to the plant-specific requirements. Additionally, ensure that the dampers are

tightly closed when in the closed position.

•Check the direction of rotation.

•Fasten the actuator securely to avoid twisting and blocking of the actuator.

•Check to ensure that the cables are connected in accordance with the plant

wiring diagram (see “Wiring diagrams”).

•The operating voltage AC/DC 24 V (SELV/PELV) or AC 230 V must be within

the tolerance values.

Power supply AC/DC 24 V wires red (1), black (2)

Positioning signal AC/DC 0 V

•Wire orange (7) ON:

•Wire orange (7) OFF:

Actuator turns counter-clockwise

Actuator turns clockwise

Power supply AC 230 V wires brown (3), blue (4)

Positioning signal AC 230 V

•Wire white (7) ON:

•Wire white (7) OFF:

Actuator turns counter-clockwise

Actuator turns clockwise

Internal Diagrams

GSD12..1A

GSD32..1A

Reference

Environmental conditions

Mechanical check

Electrical check

Functional check

GSD121.1A

GSD126.1A

GSD321.1A

GSD326.1A

G0 Y

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Wiring diagrams

GSD121.1A

GSD126.1A

AC/DC 24 V

AC/DC 0 V

4605G01

GSD321.1A

GSD326.1A

AC 230 V AC 0 V

AC 230 V

4605G02

Connection

Cable

Description

Code

No.

Color

Abbr.

GSD121.1A

GSD126.1A

AC/DC 24 V

red

System potential AC/DC 24 V

black

System neutral

orange

Positioning signal counter-clockwise AC/DC 0 V

GSD321.1A

GSD326.1A

AC 230 V

brown

Phase AC 230 V

blue

Neutral conductor

white

Positioning signal counter-clockwise AC 230 V

Auxiliary switch

Q11

gray/red

GYRD

Switch A input

Q12

gray/blue

GYBU

Switch A NC contact

Q14

gray/pink

GYPK

Switch A NO contact

Q21

black/red

BKRD

Switch B input

Q22

black/blue

BKBU

Switch B NC contact

Q24

black/pink

BKPK

Switch B NO contact

Cable labeling

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Dimensions

Issued by:

Siemens Switzerland Ltd

Smart Infrastructure

Global Headquarters

Theilerstrasse 1a

CH-6300 Zug

+41 58 724-24

www.siemens.com/buildingtechnologies

Technical specifications and availability subject to change without notice.

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