SIMON RWA EA-KN-20-XS Reference manual

BA_EA-KN-20-XS_EN_10 Issue: 1.0/12.2014 — Date: 8.1.2018
SIMON RWA-SYSTEME GMBH
MEDIENSTRAßE 8
94036 PASSAU
GERMANY
CHAIN ACTUATOR —EA-KN-20-XS
FORCE 150N–MAXIMUM STROKE 210MM
VOLTAGE:24V ═(DC)
MANUAL FOR INSTALLATION AND USE
English

Page 2 Issue: 1.0/01.2015 — Date: 8.1.2018
SIMON RWA-Systems products are specially manufactured
in safe materials in compliance with the requirements of
legislation in force. When correctly mounted, installed and
used in accordance with the present instructions, our
products constitute no danger to people, animals or property.
Products subject to EU directives comply with the essential
requirements stipulated by the latter. markings mean
that our products can be sold and installed throughout the
European Union without any further formality.
The mark on our products, packaging and user manuals
provided with the product, indicate “presumed in conformity with
directives” issued by the EU.
Symbols used in the manual
DANGER
This indication draw the attention about potential
dangers for safety and health of peoples and animals.

INFORMATION This information give further suggestions.

ATTENTION
This indication draw the attention about potential
dangers for the product itself.
WARNING
This indication draw the attention about potential
damages to goods.
ENVIRONMENTAL
INSTRUCTION Environmental indication draw
the attention about
potential dangers for the environment.

BA_EA-KN-20-XS_EN_10 Page 3
Contents
1. Safety indications................................................................................................4
2. Technical operating information.......................................................................... 6
3. Formulas and recommendations for installation ................................................ 7
3.1. Calculation of opening / closure force....................................................... 7
3.2. Maximum opening based on sash height ................................................. 7
4. Technical data.....................................................................................................8
5. Construction and regulatory references.............................................................. 8
6. Id plate and marking data ................................................................................... 9
7. Electric power supply..........................................................................................9
7.1. Selecting the cross-section of the power supply cables ......................... 10
8. Electrical connection.........................................................................................10
9. Instructions for assembly ..................................................................................11
9.1. Preparation for mounting the actuator ....................................................11
9.2. Recessed mounting ................................................................................11
9.3. Surface mounting on top-hung windows opening outwards or
bottom-hung windows..................................................................................12
10. Programming the actuator ................................................................................ 13
10.1. Opening stroke-end ................................................................................13
10.2. Closure stroke-end..................................................................................13
11. Checking for correct assembly.......................................................................... 14
12. Emergency manoeuvres, maintenance or cleaning.......................................... 14
13. Troubleshooting ................................................................................................14
14. Environmental protection ..................................................................................15
15. Guarantee conditions and terms of delivery ..................................................... 15
16. Company addresses.........................................................................................16

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1. Safety indications

ATTENTION
B
EFORE INSTALLING THIS APPLIANCE
,
ENSURE ALL SAFETY
INDICATIONS HAVE BEEN READ CAREFULLY AND UNDERSTOOD IN ORDER TO
PREVENT CONTACT WITH ELECTRICITY,INJURY OR ANY OTHER INCIDENT.THE
MANUAL SHOULD BE CONSERVED FOR FURTHER CONSULTATION AT A LATER
DATE
.
EA-KN-20-XS chain actuators have been designed to move windows or similar.
Use for any applications other than those indicated must be authorised by the
manufacturer after technical review of the assembly.
To guarantee safety to people, animals and goods, the following indications should be
observed carefully.
The appliance must be installed by competent and qualified technical
personnel.

After removing packaging, check for any damage on the appliance.
Plastic bags, polystyrene, small metal parts such as nails, staples etc should
be placed out of the reach of children as they constitute a potential source of
risk.
Keep children, disabled individuals and animals away from the window and its
controls.
Before connecting the appliance, check that the power supply has the same
specifications as those indicated on the technical data label on the appliance.
This machine is destined exclusively for the use for which it has been
designed and the manufacturer accepts no responsibility for damage incurred
by improper use.
The actuator is destined exclusively for installation indoors. For any special
application we recommend you consult the manufacturer beforehand.
To ensure efficient separation from the grid, an approved type of bipolar pulse
switch should be used. An omnipolar general power switch with minimum
distance of 3 mm between contacts should be installed upstream of the control
line.
Do not use solvents or jets of water to wash the appliance. The appliance
should not be submerged in water.
Repairs should only be performed by qualified personnel at assistance centres
authorised by the manufacturer.
Always request exclusive use of original spare parts. Failure to respect this
condition could compromise safety and invalidate the benefits contained in the
warranty for the appliance.
In the event of any problems or queries, consult your agent or contact the
manufacturer directly.

BA_EA-KN-20-XS_EN_10 Page 5
ATTENTION
With bottom hung windows injury could be caused if the window accidentally
falls. An appropriately sized flexible link arm or fall prevention safety system
designed to resist a force equal to at least three times the total weight of the
window MUST be installed.
Check that the selected stroke-
end allows the window to open without
encountering any obstacles whatsoever.
The actuator must be installed in accordance with the manufacturer’s
instructions. Failure to respect these instructions could compromise safety.
Power supply installation must comply with any regulations in force.
Danger of crushing or dragging. During function, when the actuator closes the
window, a force of 230N is exerted on the bead of the frame, enough to crush
fingers in the event of distraction.
Ensure that the stroke-
end selection is less than one centimetre from
mechanical stop blocks,
stroke limiters or any physical obstacles blocking
opening of the sash.
In the event of breakage or malfunction, switch the appliance off at the general
switch and call for the services of a qualified technician.

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2. Technical operating information
The chain actuator is used to open and close the window by means of a three-link
steel chain. The movement is achieved with low-voltage (24V DC) electricity that
powers a gear motor controlled by a functional electronic device.
Window opening can be programmed, and the device allows excursion of the chain
to strokes of 70, 125, 170 and 210 mm. For the return stroke, i.e., the closing of the
window, the stroke-end is determined by an electronic process that automatically
calculates the required power absorption to produce the movement of the window,
and therefore no settings are required.
The actuator can also be installed without the immediate availability of electricity for
window movement; in this case the actuator will simply hold the window closed after
assembly.
The structure of the actuator is entirely metal, and it is also used for installation on
heat and smoke exhaust systems as well as for room ventilation.
The coupling between the actuator and support brackets fixed to the window frame
is a quick-connect coupling that allows the actuator to rotate in order to adapt to the
stroke of the chain, even on windows with reduced height. The brackets are fixed to
the frame during actuator assembly with just two screws.
Combined with the B-Lock product and perimeter fittings, it constitutes the security
lock that keeps the window closed tight and guarantees a high thermal K.

BA_EA-KN-20-XS_EN_10 Page 7
3. Formulas and recommendations for installation
3.1. Calculation of opening / closure force
Using the formulas on this page, approximate calculations can be made for the force
required to open or close the window considering all the factors that determine the
calculation.
Symbols used for the calculation
F (kg) = Force for opening or closing
P (kg) = Weight of the window (mobile sash only)
C (cm) = Opening stroke (actuator stroke)
H (cm) = Height of the mobile sash
For horizontal light domes or
skylights
F = 0,54 x P
(Eventual weight of snow or wind on the
cupola should be calculated separately).
For vertical windows
TOP HUNG WINDOWS,OUTWARD OPENING (A)
BOTTOM HUNG WINDOWS (B)
F = 0,54 x P x C : H
(Eventual load of favourable or unfavourable wind
on the sash should be calculated separately.)
3.2. Maximum opening based on sash height
The selection of the actuator stroke should be made based on the height of the sash
and its application. As a general rule, never select a stroke greater than the height of
the window frame; select the stroke directly below it.
WARNING. The
actuator is designed to be recess mounted on the window
frame.
Check that during the stroke the chain does not touch the profile of the
sash, there are no obstacles to opening the window and the chain does
not push against the window frame.

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4. Technical data
Model EA-KN-20-XS – 24V
Force exerted by thrust and traction
150N
Strokes (can be selected at any time)
70, 125, 170, 210 mm
Power supply voltage
24 V DC ═
Rated absorbed current
0,32 A
Power absorbed at nominal load
7,5 W
No load speed
8 mm/s
Duration of no load stroke (210 mm)
27 s
Type of service
S2of 3 min
Operating temperature
- 5 + 65 ºC
Protection index for electrical devices
IP32
Adjustment of connection to window frame
Automatic definition of position
Parallel powering of two or more motors
YES (max 20 actuators)
Operation with B-LOCK electromechanical lock
Yes
Synchronised function
Not foreseen
Static hold force
1.000 N
Stroke-end at opening
Electronic by dip-switch
Stroke-end at closing
At absorption of power
Chain exit
Central
Length of power cable
2 m
Dimensions
28x28x310 mm
Weight
0.720 kg
The data indicated in these figures is not binding and is subject to variation without notification.
5. Construction and regulatory references
The EA-KN-20-XS chain actuator is designed and built to open and close top-hung
windows opening outwards, bottom-hung windows or up-and-over roof windows. Its
use is specifically intended for ventilation, air conditioning of rooms, smoke and heat
exhaust systems and, if used in combination with the B-Lock window lock, also as a
building security system; it is highly recommended that the actuator not be used for
any other purpose unless approved by the manufacturer beforehand.
Electrical connections must comply with standards in force on the design and
production of electrical appliances.
The actuator has been manufactured according to European Union directives and
conforms to marking and following EMC rules for interference.
Any eventual service or control device for the actuator must be produced according to
standards in force and must comply with the standards issued by the European
Community.

BA_EA-KN-20-XS_EN_10 Page 9
The actuator is individually packaged in a cardboard container and each pack
contains:
•24V═ electrical actuator complete of connector for feeding cable
wiring.
•2 support brackets
•2 half-
brackets for attach to the frame,
complete with pin
•Instruction manual
6. Id plate and marking data
All actuators have marking and are destined for use in the European Union without
further requirements.
The marking on the product, packaging and indications for use provided with the
product indicate ‘presumed conformity to the directives’ issued by the European
Community.
7. Electric power supply
The EA-KN-20-XS actuator is powered with a voltage of 24V (DC). The power supply
cable has three conductors: the first conductor BLACK “1” that should be connected
to the + (positive) CLOSES the window; the second conductor Black “2” that should
be connected to the + (positive) OPENS the window; the third conductor Black “3” is
the conductor used for the B-Lock control communication signal.
The 24V low-voltage actuators can be powered using a station with emergency
batteries or an approved class II power supply unit (double safety insulation) with an
output voltage of 24V (-15% ÷ +15%, in other words min. 20.4V, max. 27.6V), that is
to say, sized based on the number of actuators connected. The EA-KN-20-XS power
supply must be suitably protected by fuses.

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7.1. Selecting the cross-section of the power supply cables
With the 24V (DC) power supply, it is necessary to check the cross-section of the
cable, which should be calculated based on the length of the cable itself. The table
below specifies the maximum length of the cables for connection of a motor.
Cable section Max cable length
4,00 mm² ~ 270 m
2,50 mm² ~ 170 m
1,50 mm² ~ 100 m
0,75 mm² ~ 50 m
0,50 mm² ~ 35 m
8. Electrical connection
The machines are equipped with a power supply cable constructed in compliance
with safety standards and restrictions on radio-frequency interference.
The power supply cable - with conductors having a cross-section of 0.5 mm² - must
be wired to a special connector as shown in the diagram below, in the following
sequence:
•1 – BLACK-coloured conductor, marked “1”;
•2 – BLACK-coloured conductor, marked “2”;
•3 – BLACK-coloured conductor, marked “3”:
For harness, please follow this diagram:
Note: the first conductor BLACK “1”
that should be connected to the +
(positive) CLOSES the window; the second conductor Black “2” that should
be connected to the + (positive) OPENS
the window; the third conductor
Black “3” is the conductor used for the B-
Lock control communication
signal.

BA_EA-KN-20-XS_EN_10 Page 11
9. Instructions for assembly
These indications are for specialised technical personnel and basic work and
safety techniques are not indicated.
All preparatory, assembly and electrical connection operations must be performed by
specialised technical personnel to guarantee optimal function and service of the
actuator. Check that the following fundamental conditions have been met:
Actuator specifications must be sufficient for movement of the window without
encountering any obstacle. The limits indicated in the technical data table must
not be superseded (page 7) and the most appropriate stroke should be selected.
Calculations should be checked using the formula indicated on page 6.
Attention.
Check that the electrical power supply corresponds to that
indicated on the TECHNICAL DATA label on the machine.
Ens
ure that the actuator has not been damaged during transport, first
visually and then by powering in both directions.
Check that the width of the inside of the window (where the actuator is to be
assembled) is over 360 mm, otherwise the actuator should not be installed.
Check that once the actuator has been installed, chain completely in, the
window is perfectly closed. If this is not the case the actuator will not function
correctly as the window will not close correctly.
9.1. Preparation for mounting the actuator
Before beginning to mount the actuator, depending on the type of application, the
window frame must be prepared by carrying out the following operations:
9.2. Recessed mounting
For recessed mounting, the window frame must be prepared by milling and
making two holes as indicated in the diagram below. The depth of the milling
must be at least 30 mm.

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Then make two Ø4.5 holes on the sash for the attachment bracket. The
measurements are specified in the diagram below.
9.3. Surface mounting on top-hung windows opening outwards or
bottom-hung windows
The actuator can also be surface mounted on top-hung windows opening
outwards or dormer windows and on bottom-hung windows, however for these
specific applications special support brackets are required for the actuator which
must be supplied separately.
The two half-brackets attaching the actuator to the sash, however, are the same
standard brackets supplied with the actuator and included in the package.
To prepare the holes on the window frame and sash, use the drilling template
included in the package of the special brackets; this template also specifies the
diameter of the holes and their position in reference to the inner edge of the
window frame.
Warning
. In order to prevent unpleasant mishaps with the machine and
possible safety hazards, carefully choose the length of the clamping screws
in order to avoid damaging the power supply cables during the mounting
procedure.
In order to carry out a cost-effective and precise up-to-standard work, it is best if you
prepare the following complementary material: small parts, equipment and tools.
Fastening on metal window frames: M4 threaded inserts (2 pieces for recessed
mounting and 4 pieces for surface mounting), M4x12 flat head metric screws (2
pieces (4 pieces for surface mounting)).
Fastening on wooden window frames: Ø4 self-threading wood screws (2 pieces
for recessed mounting and 4 pieces for surface mounting), with an appropriate
length for the type of window frame.

BA_EA-KN-20-XS_EN_10 Page 13
Fastening on PVC window frames: Ø3.9x13 self-threading metal screws (2
pieces for recessed mounting and 4 pieces for surface mounting), with an
appropriate length for the type of window frame.
Equipment and tools: tape-measure, pencil, drill/electric screwdriver, set of drill
bits for metal, insert for screwing in, electrician's scissors, screwdrivers.
10. Programming the actuator
10.1. Opening stroke-end
The opening stroke-end of the actuator can be adjusted by selecting the dip-
switches located inside the actuator underneath the black rubber plug (T) (see fig.
below), near the label that indicates the state of the dip-switches.
The setting can be made very easily by selecting the dip-switches as specified in the
table below.
STROKE
(mm)
DIP-SWITCH
1 2 3 4
70
ON
OFF
OFF
OFF
125
OFF
ON
OFF
170
OFF
OFF
ON
210
OFF
OFF
OFF
The actuator is factory-set with the longest stroke (210 mm).
10.2. Closure stroke-end
The stroke-end at closure is automatic and cannot be programmed.
The actuator stops when the charge is absorbed when the window is completely
closed and the weather stripping is completely depressed, or when the charge
absorbed is more than 15% of the nominal charge.
After each closure or intervention of electronic protection devices, the chain will
move about 1 mm in the opposite direction to give correct compression to the seals
and release the mechanical parts.

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11. Checking for correct assembly
Check that the window is perfectly closed at corners and that there are no
obstacles caused by incorrect positioning during assembly.
Check that when the window frame is closed the chain terminal is at least a
few millimetres away from the actuator body. This will ensure the window is
properly closed and seals are correctly compressed. In the event that this
should not be the case there
is no guarantee that the window is closed
correctly.
Check that hinges and support brackets are aligned to each other and tightly
fixed against the window frame with screws fixed correctly into position.
Check that the window reaches the desired position according to the stroke-
end selected.
12. Emergency manoeuvres, maintenance or cleaning
In the event that the window frame should require manual opening due to power
failure or problem with the mechanism or for normal maintenance or external cleaning
of the window frame, in built-in actuators it’s necessary to perform these operations:
1. Unscrew the two screws that fix the sash to the attachment bracket.
2. Take care during this operation since the bracket, which is in two pieces after
removing the screws, may fall as it is no longer secured.
3. Manually open the window frame.
ATTENTION:DANGER – the window could fall as the sash is no longer
held in position by the chain.
4. After maintenance and/or cleaning repeat points 1 and 2 in reverse order.
13. Troubleshooting
Possible causes of malfunction during installation or use.
Problem
Possible cause
Solution
Actuator does not work
No electricity at feeder 
Check status of circuit
breaker or safety switch
Cable not connected or
wire disconnected.

Check electrical
connections at reduction
motor

BA_EA-KN-20-XS_EN_10 Page 15
14. Environmental protection
All materials used in the manufacture of this appliance are recyclable.
We recommend that the device itself, and any accessories, packaging, etc.
be sent to a centre for ecological recycling as established from laws in
force on recycling.
The device is ma
inly made from the following materials: aluminium, zinc,
iron, plastic of various type, cuprum. Dispose materials in conformity with
local regulations about removal.
15. Guarantee conditions and terms of delivery

The manufacturer will guarantee good function of the appliance. The
manufacturer shall undertake to replace defective parts due to poor quality
materials or manufacturing defects in accordance with article 1490 of the
Civil Code.
The guarantee covers products and individual parts for 2 years from the
date of purchase. The latter is valid as long as the purchaser possesses
proof of purchase and completion of all agreed conditions of payment.
The product must be used as normally intended. The product is subject to
natural wear and tear. In case of material defect claims, these shall be
asserted in writing, stating the source of supply of the device. The following
applies with respect to the guarantee: “General conditions for the supply of
products and services of the electrical and electronics industry (“Green
delivery terms” – GL)”. These can be found at our homepage www.simon-
rwa.com. We would be pleased to send you a copy upon request.
The cu
rrently valid conditions for products and services of the electrical
and electronics industry (green delivery terms) apply for deliveries and
services, including the supplementary clause “Extended retention of title”.
These are published by ZVEI Frankfurt.
If you are not familiar with these,
we would be happy to send them to you. The agreements are also
available for download at www.simon-rwa.com.
Passau is the established legal venue.

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16. Company addresses
Germany
Simon RWA®Systeme GmbH
Medienstraße 8
D – 94036 Passau
Tel.: [phone] - 0
Fax: [phone]
E-Mail: [e-mail]
Web: www.simon-rwa.de
Switzerland
Simon RWA®Systeme AG
Allmendstrasse 8
CH – 8320 Fehraltorf
Tel.: [phone]
Fax: [phone]
E-Mail: [e-mail]
Web: www.simon-rwa.ch
Hungary
Simon RWA®Rendszer Kft.
Sodras utca 1. fszt. 1
H – 1026 Budapest
Tel.: [phone]
E-Mail: [e-mail]