Georg Fischer 133 Operating Manual
Elektrischer Stellantrieb
Typ EA 21/31/42
Bedienungsanleitung
Electrical Actuator Unit
Type EA 21/31/42
Instruction Manual
English
Index of content
1. Introduction ..................................................................36
General Information ...................................................................... 36
2. EC Manufacturer’s Declaration ..................................36
3. Intended use .................................................................37
4. Safety Information .......................................................37
4.1 Due care required by the operator ......................................... 37
4.2 Special hazards ........................................................................ 37
4.3 Transport and Storage ............................................................ 38
5. Actuator Design ............................................................38
5.1 Wiring Diagram for Standard Version .................................... 39
5.2 Error message ......................................................................... 39
5.3 DIP switch in case of error ...................................................... 40
6. Setting Up the Actuator ............................................... 40
6.1 Emergency Manual Override ...................................................41
6.2 Dimensional drawings of the
Electrical Actuator Type E A 21/31 ............................................. 42
6.3 Technical Specications ..........................................................43
7. Mounting and Connecting Supplementary Kits ...........44
7.1 Heating Element ....................................................................... 44
7.2 Fail-safe return ........................................................................ 45
7.3 Additional Limit Switches ........................................................ 47
7.3.1 Additional 4 Limit Switches ........................................... 48
7.4 Middle Positioning .................................................................... 49
7.5 Monitoring print ........................................................................ 52
7.6 Position Signalization .............................................................. 58
7.7 Positioner .................................................................................. 60
8. TROUBLESHOOTING ....................................................66
Ordering Information ....................................................... 67
Notizen/Notice/Note ............................................................................ 68
37
Warning
Beantragt/pending
symbols
Danger
Hazard
1. Introduction
This instruction manual contains all the pertinent information on the design, installation and operation of the electrical actuator type EA 21/31/42.
General Information
Hazard notices
Hazard notices are used in this manual to warn you of possible injuries or
damages to proper ty. Please read and follow these hazard notices at all
times!
Meaning
Imminent acute danger!
Failure to comply could result in death or extremely serious injury.
Possible acute danger!
Failure to comply could result in serious injury.
Dangerous situation!
Failure to comply could lead to injur y or damage to proper ty.
Caution
38
2. EC Manufacturer’s Declaration
The manufacturer, Georg Fischer Piping Systems Ltd., CH 8201 Schaffhausen, declares that the electrical actuator EA 21 / 31 / 42 is not a ready-to-
use machine in the sense of the EC Machine Directive and therefore cannot
meet all the requirements of this directive.
Operation of these actuators is prohibited until conformity of the entire
system into which the valve and the actuator have been installed is established according to the EC Directives listed below.
Applied EC Directives:
06/95 EC EC Low Voltage Directive
89/336 EEC EC Directive on Electromagnetic
Compatibility
Modications to the actuator which have an effect on the technical data
given in this instruction manual and its intended use, i.e. signicantly alter
the actuator, render this manufacturer’s declaration null and void.
3. Intended use
When mounted on a valve and connected to a system control and provided
that the actuator data corresponds to the electrical control and the valve,
the purpose of this actuator is:
• to actuate valves with up to 180° pivoting (ball valves and buttery
valves),
• to indicate the previously calibrated end positions of the valve via electrical signal to the system control (accessory), and
• in case of a power supply interruption the actuator valve remains in its
current position (without accessory). Please use emergency manual
override or install fail-safe return.
The actuator is not intended for uses other than those listed above. If the
instructions contained in this manual are not observed, the manufacturer is
excluded from all liability for the above mentioned products.
4. Safety Information
4.1 Due care required by the operator
The actuator described herein was designed and manufactured with consideration to the respective harmonized European standards. It corresponds
to the latest technology and the technical specications contained under
section 6.3.
Safety on the job can, however, only be realized if the operator warrants that
• the actuator is only used as indicated under section 3,
• he is familiar with this instruction manual and the manual of the corresponding valve and adheres to the instructions contained therein and
• he has taken the necessary measures against electrostatic inuence.
4.2 Special hazards
Under normal conditions, the actuator may only be operated with the
cover closed.
If work is performed on the actuator with the cover removed, the supply
and control voltage must rst be disconnected. Adjustments, which need
to be done in the energized state, should be carried out with special insulated tools.
39
In addition, the operating instructions of the manual valve
must be observed. They are an integral component of this
manual.
4.3 Transport and Storage
The actuators must be handled, transported
and stored with care. Please note the following
points:
• The actuators should be transported and/or stored in
their original unopened packaging.
• The actuators must be protected from harmful physical
inuences such as dust, heat (humidity).
• It is important that the connections are neither damaged by mechanical nor by thermal inuences.
• Prior to installation, the actuators should be inspected
for transport damages. Damaged actuators must not be
installed.
5. Actuator Design
The standard version of the EA 21/31/42 electrical actuator
consists of the following elements: gear unit, direct current
motor, electrical board and components for end position
limiting.
1. Limit switches S1 and S2
2. Direct current motor
3. Optical position indicator
4. Plug X1 for accessories
5. Terminal strip for external
connections max. 1.5 mm
6. Wide range power supply,
without protection against
accidental contact
7. Shaft for emergency manual
override
8. Connections for DIN plug or
cable gland
9. Assembly bolts for accessories
40
For special applications, the actuator can be equipped additionally with various supplementary kits (see section 7).
2
7
9
2
4
6
3
1
5
8
5.1 Wiring Diagram for Standard Version
Position indicator
3-way
horizontal
A
B
B−C
A−C
vertical
A
C
B
A−C
B−C
2-way
A
C
A−B
C
B
C
closed
open
Installation note
If the actuator is directly connected to the power supply, it
is necessary to install a disconnector between the actuator
and the power supply (do not disconnect the earth cable).
Cross-section of the external cables max. 1,5 mm2.
To avoid water owing into the actuator, make sure the cable
entry point is not upturned.
The EA 21/31/42 has a temperature control (ready-tooperate monitoring).
Due to the loading of the power supply capacitor
when rst time switching on the actuator current
peaks can occur for a few micro seconds. Therefore we recommend to connect the actuator in
accordance with accompanying wiring diagram.
5.2 Error message
If an error occurs, the red LED (8) on the base board will
light up.
If the monitoring print is installed, the LED (7) on the BCD
switch (10) which selected value has been exceeded will also
light up red.
Releai scontact
max. 2 4V
10
With all occurring error messages the ready-to-operate
signal will be off (terminals 5,6 no passage).
Eliminating the error message
Check the error cause, if necessar y carry out the appropriate maintenance.
To eliminate the message, activate the reset switch (9) on
the base board while the supply voltage is still connected
or briey disconnect the actuator from the mains voltage.
(Not effective with cycle counter)
8
9
41
The two LEDs will go out and the actuator is ready to operate again.
1 2
1 2
1 2
1
In case of malfunc-
ON
tion the actuator
OFF
remains on the
current position
(delivery state)
In case of malfunc-
ON
tion the actuator
OFF
turns to the OPEN
position
In case of
ON
malfunction the
OFF
actuator turns
to the CLOSED
position
S2: «Cl osed», top
S1: «Open», bottom
5.3 DIP switch in case of error
In case of an error the actuator can be set to the CLOSED or
the OPEN position with the help of the DIP switch. The DIP
switches need to be set as follows:
DIP 1 DIP 2
Position of DIP 2 effec-
ON
tive
Actuator remains in the
OFF
current position (DIP 2
Actuator turns to the
OPEN position
Actuator turns to the
CLOSED position
not effective)
(refer to explanation on the left)
6. Setting Up the Actuator
Attention
Check the following before connecting the actuator to the
mains:
• Does the main voltage correspond to the specications given on the type plate
• Has the actuator been connected correctly
(see Section 5.1)
• Fuse ≥ 6 A
Adjustments
If a complete valve is supplied by Georg Fischer, no further
adjustments are required. After installation by the customer
or after repair, the end positions should be checked and
adjusted if necessary.
42
Limit switch allocation
Switch S1 (bottom) opens at “open” position
Switch S2 (top) opens at “closed” position
Procedure
• Set both switching cams (1) to S1 and S2 so that the
rotating angle is less than 90°.
• Let the actuator turn until a limit switch is activated.
• By adjusting the respective switching cam, the end
position can be set since the actuator follows the cam.
6.1 Emergency Manual Override
Assembly
1. Pull the crank (1) out of the bracket
2. Remove cover screw (2) with the provided crank (1)
3. Insert the crank in the hexagon shaft in the opening
2
After usage, please screw back on the
screw corer (2) to avoid liquids, humidity or
dust entering the actuator!
Function
Push the crank down to the stop. This activates a micro
switch that disconnects the actuator from the current. When
letting go the crank, the actuator is energized again.
With 9 revolutions, the actuator EA21 turns by 90°
With 27 revolutions the actuator EA31 turns by 90°
With 41 revolutions the actuator EA42 turns by 90°
Direction of rotation
Clockwise = CW = close
Counterclockwise = CCW = open
Note the “open” and “closed” position on
the optical indicator
Disconnect the connector plug.
If that is not possible, after usage pull the
crank rapidly out of the opening. (Actuator
might start turning)
1
43
6.2 Dimensional drawings of the Electrical Actuator Type EA 21/31/42
22
L1 L2 L3 L4 L5 L6 L7 L8 L9 H1 H2 H3
150 82.5 108 64.3 122 16 49 33 33 167 20 188.5
EA21
150 82.5 108 64.3 122 16 49 33 33 190 25 211.5
EA31
150 82.5 108 64.3 122 16 49 33 33 208 25 229.5
EA42
EA21/F05 EA31/F07
EA42/F07
44
6.3 Technical Specications
EA21 EA31 EA42
Rated voltage 100 – 230V, 50/60 Hz
Rated voltage tolerance
Rated output @ 24V AC/DC
@ 100 – 230V AC
Electric impedance 230V, 100kΩ
24V = /24V, 50/60 Hz
+/- 10%
22 VA
40 VA
32 VA
40 VA
24V, 4.7kΩ
40 VA
60 VA
Altitude over NN (UL /CSA)
Protection class
< 2000m
IP 65 per EN 60529 *(3) UL/CSA: indoors use
Duty cycle 100% (6) 50% 35%
Overload protection current/time-dependent (resetting) *(1)
temperature dependent
Electrical connections Connector plug 3 P+E per DIN EN 175301-803
Cable gland M20 x 1,5 according to ISO 724
Nominal torque Mdn
10 Nm 60 Nm 100 Nm
Actuating angle max. 180°, set to 90°
Control time 5 s / 90° at Mdn 15 s / 90° at Mdn 25 s / 90° at Mdn
Peak torque 20Nm 120 Nm 250 Nm
Ambient temperature -10° to + 50°C (2) -10° to + 50°C (2)
Allowable humidity max. 90% relative humidity, non condensing
Pollution grade (4) 2
Over voltage category (4) II
Housing material PP breglass reinforced, ame retardant,external stainless
steel screws, non-losable
Position indication optical, integrated
Emergency manual override integrated
Flange pattern (5) F05 F07 F07
(1) Overl oad protec tion of the motor i s dimensioned so th at the motor and t he power supp ly board
are pro tected. As s oon as the loa d is in the torque
rang e, the actuato r runs again .
(2) For te mperatur es below -10°C as w ell as
conde nsation, th e heating elem ent no. 198 190
086 sh ould be built i n.
(3) Pro tection ra ting IP 67 for use of c able glands
and ver tical ins tallation
(4) Per E N 61010-1
(5) Per IS O 5211
(6) Reduc ed Duty cy cle for UL cer tication
45
Wiring diagram
Heating element kit
7. Mounting and Connecting
Supplementary Kits
7.1 Heating Element
Description Technical data Code
Heating element 24 V= 199 190 086
The heating element is mounted on the base board and is
connected electrically via a at cable (X1). The temperature
is measured with a temperature sensor, which is mounted
on this element, and between approx. 0 - 5°C the heating
element is switched on.
Mounting the heating element (board)
1. Disconnect the actuator from the supply voltage.
2. Remove actuator cover.
3. Take the board out of its packaging and check for damages.
Do not touch the board itself. Electrostatic
discharge can damage the components.
4
46
LED on =
heating operation
2
4. Screw the three distance bolts (1) into the assembly
bolts. Screw hand-tight.
5. Fasten the board (3) on the distance bolts with the sup-
3
1
plied screws (2).
6. Plug the at cable into the X1 (4) connector.
7. Put the cover back onto the actuator.
8. Reconnect to supply voltage.
The heating element may not heat at temperatures over
+ 5 °C, but in case it is switched on it might heat up to
10-15 °C.
7.2 Fail-safe return
Description Technical data Code
Fail-safe return 24 V= 199 190 085
The fail-safe return unit is mounted on the base board and
is connected electrically via a at cable.
The fail-safe return unit is connected to the batter y via
a two-core wire. If the supply voltage is interrupted, the
electronics will switch to the storage battery automatically
after 5 sec. With the DIP switches (5), the functions “move
to the CLOSED position” or “move to the OPEN position” can
be selected.
Both switches ON: Actuator moves to OPEN
Both switches OFF: Actuator moves to CLOSED
The storage battery is charged continuously. Full charging
takes approximately 15 hours. Expected lifetime approx. 7
years.
DIP sw itch
Wiring diagram
Possible cycles per day:
EA 21 : 10
EA 31 : 04
EA 42 : 02
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