Nederman 920/1500 Manual

Installation and service manual
Exhaust Extraction
Trolley Return Unit 920/1500
144259(02)
Original installation and service manual
INSTALLATION AND SERVICE MANUAL EN

Trolley Return Unit 920/1500
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Trolley Return Unit 920/1500
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English......................................................................................................................................................4

Trolley Return Unit 920/1500
EN
4
English
Installation and service manual
Exhaust Extraction
Trolley Return Unit 920/1500
1 Declaration of conformity......................................................................................................... 5
2 Preface......................................................................................................................................................... 5
3 Notices......................................................................................................................................................... 5
4 Description.............................................................................................................................................. 6
4.1 Components..................................................................................................................................6
4.2 Technical information...............................................................................................................8
5 Installation................................................................................................................................................ 8
5.1 Assembly instructions Trolley Return Unit 920/1500.........................................8
5.2 Description of cable and end marking......................................................................17
5.3 Installation of cables and connection boxes........................................................17
5.4 Electrical continuous test (2 persons required).................................................20
5.4.1 Check cable W1 ...................................................................................................................20
5.4.2 Wiring tests ............................................................................................................................21
5.5 Installation checking .............................................................................................................24
6 Work procedure (Normal operation).........................................................................25
7 Malfunction (Drive unit motor moves the suction trolley)....................25
8 Spare parts...........................................................................................................................................26
9 Troubleshooting...............................................................................................................................27
Appendix A: Cable connections................................................28
Cable connections overview.....................................................................28
Simple cable connections overview.......................................................... 29
Appendix B: Circuit diagrams ...................................................30
Driving slot circuit diagram .......................................................................30
Circuit diagram 1 ......................................................................................31
Circuit diagram 2.......................................................................................32
Circuit diagram 3.......................................................................................33
Circuit diagram 4.......................................................................................34
Circuit diagram 5.......................................................................................35
Circuit diagram 6.......................................................................................36
Circuit diagram 7.......................................................................................37
Circuit diagram 8.......................................................................................38
Circuit diagram 9.......................................................................................39
Circuit diagram 10.....................................................................................40
Table of contents

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1 Declaration of conformity
We, AB Ph. Nederman & Co., declare under our sole responsibility that the Nederman
product:
Suction Trolley Return Unit 920/1500 with accessories to which this declaration relates,
are in conformity with the following:
Directives
2006/42/EC
Standards
EN ISO 12100-1-2
The Manager of Development and Engineering, Lena Åberg, is responsible for the
technical documentation.
AB Ph. Nederman & Co.
P.O. Box 602
SE-251 06 Helsingborg
Sweden
Lena Åberg
Manager, Development and Engineering
2 Preface
This manual is for the correct installation and maintenance of this product. Read it
carefully before using this product or carrying out maintenance. Replace the manual
immediately if lost.
This product has been designed to meet the requirements of relevant EC directives. To
maintain this status, all installation, repair and maintenance work for this product is to
be carried out by qualied personnel using only original spare parts. Contact the nearest
authorized distributor or Nederman for advice on technical service and obtaining spare
parts.
Nederman continuously improves its products’ design and efciency through
modications, and reserves the right to do so without introducing these improvements
to previously supplied products. Nederman also reserve the right to, without previous
notice, modify data and equipment as well as operating and maintenance instructions.
3 Notices
This document contains important information that is presented either as a warning,
caution or note. See the following examples:
WARNING! Type of injury.
Warnings indicate a potential hazard to the health and safety of personnel, and how that
hazard may be avoided.
Caution! Type of risk.
Cautions indicate a potential hazard to the product but not to personnel, and how that
hazard may be avoided.
NOTE! Notes contain other information that is important for personnel.

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4 Description
4.1 Components
See Figure 1 Component overview, and ‘Table 4-1: Component descriptions’ below.
Table 4-1: Component descriptions
Component Description Explanation/location
SLX Limit switch on suction
trolley Detects transport position (suction hose fully raised).
SLX 1 Disconnection arrow Disconnects the stop ball from the driving slot and connects limit
position SLX to the control system in connection position.
SLX 3 Bus bar Connects SLX to the control system in disconnection position.
SL2 Inductive sensor Detects when the suction trolley passes, activating speed reduction.
SL4 Limit switch Detects when the stop ball passes, disengaging the drive motor.
C_BOX_1 Connection box Vehicle exit end.
C_BOX_2 Connection box Vehicle entrance end.
C_BOX_3 Connection box Accessory location in the centre of the extraction rail, same as
C_BOX_2.
CR_BOX_1 2-button control box Emergency stop and Start button.
Figure 1 Component overview
Drive unit
Connection box 1
Idler pulley unit
End cover
Connection box 2
driving slot
Guide pulley
(on the middle of
the rail´s mounting
brackets)
Wire
Limit switch SL4
Limit switch
SLX
Bus bar SLX3
Disconnection arrowSLX1
Inductive sensor SL2
Control box
(start / stop)
Control box
(manual / auto)
Motor damper
Wire stop with spring
Suction rail
Balance
block
Figure 1 (Overview components)

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Component Description Explanation/location
CR_BOX_2 3-button control box Emergency stop, Start button and a rotary switch Manual/Automatic
return.
CR_BOX_3 2-button control box Emergency stop and Start button.
Damper Motor Damper motor Closes extraction channel, and counteracts cold downdraft.
Fan Contactor Start apparatus for fan Start apparatus for fan with motor protection.
Trolley Suction trolley Trolley with a balance block, which runs inside the extraction
channel.
Current Collector Current collector Carbon brushes mounted on driving slot, connecting SLX with
control system through SLX3.
Bus Bar Bus bar
J1 Jumper Jumper for supplying galvanically separated relay with 24 VAC.
X1 Terminal block designation Network connection in Drive Unit.
X2 Terminal block designation Connection for cable W1 in Drive Unit.
X3 Terminal block designation Terminal block in connection box 1.
X4 Terminal block designation Terminal block in connection box 2.
X5 Terminal block designation Connections on the driving slot.
X6 Terminal block designation Terminal block in connection box 3.
Drive Unit Drive unit Complete unit containing the drive motor, control board, transformer,
gearbox, drive wheels, and so on.
K1 Contact Contact for the disconnection of the motor when the emergency stop
is activated.
K2 Relay Relay for galvanic separation of Fan Starters.
F Fuse 10 A time lag (T) Fuse in control board, 10 A time lag (T), fusing the drive motor.
F1 Fuse 2 A time lag (T) Fuse in terminal block X1, (2 or 4 A time lag (T) depending on
transformer voltage setting according to Circuit diagram 1), power
supply fusing of 24 V transformer.
F2 Fuse 2 A time lag (T) Fuse in terminal block X2, 2 A time lag (T), 24 VAC, fusing of 24 VAC
supply to Fan Contact.
T1 Transformer Power transformer 115/100V, 200/230V, 24V.
PCB1 Control board Printed circuit board, control board in drive unit.
PCB2 I/O card Printed circuit board, adjusts inputs to PCB1.
M Drive motor 24 VDC motor with gearbox for propulsion of the retrieve wire.
Driving slot Driving slot Mechanical safety coupling for interconnection of stop ball and
suction trolley.
Ball Stop ball Ball-shaped stop device mounted on the retrieve wire. Locks into
driving slot and pulls the suction trolley back to connection position.
Retrieve wire Retrieve wire The wire runs between drive wheel and idler pulley. Fitted on this is
the stop ball that is connected together with the driving slot.
Connection pos. Connection position When the driving slot is inserted in the connection arrow SLX1.
Disconnection pos. Disconnection position The disconnection position when the driving slot’s current collector
is connected with the bus bars. The disconnection zone is
approximately. 2.5 m at the exit point.
Transport pos. Transport position The transport position when the exhaust hose is in its uppermost
position and aects the limit position SLX.

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4.2 Technical information
Table 4-2: Technical data
Trolley Return Unit 920/1500
Rail length Maximum 35 m
Suction unit (1 per rail) 920–1500
Return time for suction trolley < 1 minute.
Voltage, primary side 100/115/200/230/240 V AC
Phase, primary side 1-phase
Frequency, primary side 50/60 Hz
Voltage, secondary side 24 V AC
Protection class IP 21
5 Installation
5.1 Assembly instructions Trolley Return Unit 920/1500
First of all decide if the Trolley Return Unit is to be installed on the Left Hand side (LH)
or the Right Hand side (RH) of the 920-rail as seen from the vehicle’s travel direction,
see Figure 2.
Consideration must be taken to available space and which other system (with special
needs) shall be tted to the rail. For example a Magna Rail System shall be installed
on the same side as the vehicle is situated, and consequently the return system must be
Figure 2
Left Hand installation (LH)
Vehicle arrivalVehicle departure
Vehicle travel direction
a
Right Hand installation (RH)
Vehicle departureVehicle arrival
Vehicle travel direction
b
b
a

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installed on the other side. Allow for installation dimensions from the rail prole’s centre,
horizontally in each direction, of at least 400 mm.
NOTE! This installation instruction describes a LH installation and that there are
special notes for a RH installation, marked as ‘RH’, when modication of components is
required. All components included in the return unit are factory assembled for tting on
the LH side of the rail.
Follow the steps below to assemble the Trolley Return Unit 920/1500:
1. Remove the suction trolley stop from the rail, see ‘Figure 3’.
a) Drill holes for the motor unit brackets as illustrated.
RH: Drill holes on other side of suction trolley stop.
b) Fit and secure the Drive unit brackets on the suction trolley stop.
RH: Fit the supplied rubber stop extension according to ‘Figure 3’.
2. Fit and secure connection box 1 on the other side of the suction trolley stop, see
Figure 4. Use the supplied self-drilling and self-tapping screws.
3. Fit the suction trolley stop with connection box 1 on the suction rail, see Figure 5.
4. Fit and secure the drive unit in the brackets.
Figure 3
170 35
Rubber stop extension (RH)
130 24
Ø 6.5
Suction trolley stop
Vehicle travel direction
Figure 4
Self drilling and tapping screws
Figure 5

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5. Fit the limit switch SL4 on the rear of the drive unit as illustrated, see Figure 6.
6. Adjust the sensor so that the measurement ‘X2’ is 30 mm.
RH: Reposition fork.
7. Fit the guide pulley on the rail’s centre most mounting bracket, see Figure 7. If there
is a structure immediately above the guide pulley (a structure which can obstruct the
balls on the wire) a new hole for the guide pulley attachment must be drilled below
the existing hole in the bracket.
8. Fit the driving slot on the suction trolley, see Figure 8 item ‘a’.
(RH) Disassemble the driving slot rst and reassemble it according to Figure 8 item
‘b’.
NOTE! The supplied spacer washer must be used between suction trolley and angle
bracket.
Caution! Risk of equipment damage.
If the overload release screw is adjusted to contact with steel springs it will cause the
system to malfunction (due to a limit switch signal short circuit).
9. Check the adjustment of the overload release screw. The screw tip shall protrude 15
mm from plastic, but it can be adjusted if necessary, see Figure 8 item ‘b’.
Figure 6
SL4
X2
Vehicle travel direction
Figure 7
Figure 8
Driving slot
Spacer
Vehicle travel direction
a
Overload release screw
Spacer
b
b
a

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10. Fit the xed limit switch SLX on the suction trolley, see Figure 9.
11. Engage the balance block catch, see Figure 10.
a) The balance block catch is engaged in position ‘A’.
b) The balance block catch is disengaged in position ‘B’.
12. Pull out the balance block wire and ensure that the catch is locked, see Figure 10
item ‘a’.
13. Loosen the balance block wire from the exhaust hose mounting.
14. Remove the existing control ball, spring and wire stop from the balance block wire.
Thread the balance block wire through the limit switch ‘SLX ring’ and through
the supplied plastic limit switch actuator with spring and through the wire stop in
accordance with Figure 9 and Figure 11 item ‘a’, ‘b’ and ‘c’.
Figure 9
Limit switch SLX
Figure 10
B
A

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15. Fit the wire stop as illustrated in Figure 11 item ‘a’ and ‘c’.
NOTE! The hexagon socket screw must be tightened against the wire protection
sheet.
16. Ret the wire to the exhaust hose mounting.
17. Position the limit switch SLX ring arm so that it points diagonally downward when
the hose is pulled down. A distinct click sound is audible when the hose is pulled
down/up and limit switch SLX ring is approximately 10 mm from trolley. See
Figure 11 item ‘b’, and Figure 9.
18. See Figure 11 item ‘c’. When the hose is in raised position, the balance block spring
force must be adjusted so that the spring is compressed to 50 % of its original length
‘L’ (see the instruction manual 144226 ‘Exhaust Rail System 920/1500’).
19. Disengage the balance block catch. See Figure 10.
20. Position the suction trolley in the intended connection position (i.e. exhaust hose
connection to vehicle).
21. Remove the rail connection sleeve. See Figure 16.
22. Fit the end stop A to the suction trolley when suction trolley is positioned in the
intended connection position (rst remove any end stops in existing systems), see
Figure 12. Fix the end stop ‘A’ in this position.
NOTE! Position the end stop at least one meter in from the rail end. Use the
supplied drill template for end stop holes.
Figure 11
Wire protection sheet
10 mm
X
Figure 12
>1 meter
A
Vehicle travel direction
b
a c

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23. Fit the disconnection arrow SLX1 in the exhaust rail, see Figure 15.
RH: For right hand assembly, disassemble the arrow from the bracket and
reassemble it according to Figure 13.
24. Make sure that the suction trolley is located in connection position. Then route the
disconnection arrow through the driving slot spring fork on the suction trolley so
that the spring fork is then roughly in the centre of the arrow, see Figure 14. If
necessary, adjust the position of the arrow laterally so that it is in the centre of the
spring fork. Fix the disconnection arrow to the rail in this position.
25. Fit the inductive sensor SL2 approximately 0.7 m in front of the disconnection
arrow, see Figure 15. The position can be adjusted if necessary. See Section
‘5.5 Installation checking’.
Figure 13
Figure 14
Figure 15
Inductive sensor SL2
Disconnection arrow SLX1
Vehicle travel direction
0.7 m

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26. Fit the idler pulley unit in the rail as follows, see Figure 16:
a) RH: Loosen the screws ‘a’, and turn the idler pulley 180°. Ret screws ‘a’ on the
other side.
b) Slide in the idler pulley unit into the rail close to the disconnection arrow. Do not
tighten the idler pulley to the rail.
c) Ret the rail connection sleeve.
27. Fit the wire.
a) Make a simple knot on the middle of the wire.
b) Thread the wire around the idler pulley in the idler pulley unit. See Figure 17.
c) Thread the lower part of the wire through the driving slot on the suction trolley,
see Figure 8 item ‘a’.
d) Thread the upper wire around the drive unit drive pulley and idler pulleys, see
Figure 17 and Figure 19..
e) Hang the upper wire over the guide pulley, see Figure 7. Pull and tighten the
wire so that it becomes adapted to the length of the rail.
f) Make sure both loose ends of the wire are of equal length so that the connecting
knot is being placed symmetric to the rst knot. Join the wire ends by the double
eight knot as shown in Figure 18.
· Make an 8 on one wire end and let the other wire end follow the 8 backwards
· Tighten carefully.
Figure 16
Idler pulley unit a
Connection sleeve
Adjusting screw
Spring
Vehicle travel direction
Figure 17
Figure 18

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a
b
g) While the idler pulley unit is not xed to the rail, push the idler pulley unit as far
as possible towards the end of the rail and x the idler pulley unit to the rail.
28. Tighten the wire further by adjusting the screw and nuts on the end of the idler
pulley unit until the spring is compressed to a 50 mm (2’’) length, see Figure 16.
29. Check the wire tension, see also Section ‘5.5 Installation checking’.
30. Check that the wire is running in the centre of the driving slot spring fork (on the
suction trolley). Adjustments can be made by laterally pressing the idler pulley unit
panel slightly. See Figure 19.
31. Mount the supplied stop balls on the wire directly before each knot (with regard to
wire travel direction). See Figure 20 item ‘a’.
NOTE! The hexagon socket screw must be tightened against the wire protection
sheet according to the picture. See Figure 20 item ‘b’.
Figure 19
Figure 20
Wire protection sheet
Vehicle departure Vehicle arrival
Vehicle arrval Vehicle departure
LH wire travel direction
RH wire travel direction
LH installation
RH installation

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32. Fit connection box 2 on one of the rail’s mounting brackets closest to the
disconnection arrow, see Figure 15 and Figure 21.
33. Fit the connection box so that its connections align in the rail’s longitudinal
direction.
34. Fit the bus bar:
RH: Turn brackets 180° around screw ‘A’, see Figure 22 item ‘a’.
a) Fit all brackets on the bus bar.
b) Fit screw, washers and rhombic nut on the brackets.
c) Fit the bus bar on the exhaust rail, see Figure 22 item ‘b’.
d) Position the suction trolley against the suction trolley stop in the exit end of the
rail.
e) Adapt the distance X3 so that the carbon brushes on the suction trolley driving
slot are still well in the bus bar, see Figure 22 item ‘c’.
f) Adjust the position of the bus bar laterally by loosening the screws ‘A’. Make
sure that the carbon brushes are then in the correct position laterally against the
bus bar. Then tighten the screws ‘A’, see
Figure 22 item ‘a’.
35. Determine a suitable location for the control boxes.
36. Fit the control box (start/stop) on the wall close to the vehicle departure rail end, see
circuit diagrams 2 to 4. Assembly height from the oor is approximately 1.4 meters.
37. Fit the control box (start/stop + manual/auto) on the wall near the vehicle arrival rail
end, see circuit diagrams 2 to 4. Assembly height from the oor is approximately 1.4
meters.
38. Fit the motor damper in the channel between exhaust rail and fan.
39. Do not connect Trolley Return Unit 920/1500 to the power network. Connect
the system components electrically in accordance with the circuit diagrams and
electrical installation instructions, see ‘Appendix A: Cable connections’.
Figure 21
Figure 22
Bus bar SLX3
Sheet for W3 connection
Screw, washers
and rhombic nut
A
X3
Vehicle travel direction
Sheet for
W3 connection
Bus bar SLX3
Carbon brushes
b
a c

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WARNING! Risk of electric shock!
Work with electric equipment is to be carried out by a qualied electrician.
A lockable safety switch shall be installed between the system and the power
network.
5.2 Description of cable and end marking
Table 5-1: Cable and end marking
Circuit diagram marking interpretations
(1)SLX1 / X4:1 Designation.
(1) Number on wires.
SLX1 Component designation that the wire is connected to.
/ X4 Terminal block that the wire is routed to.
:1 Terminal block number that an individual wire is connected to.
Wire colour marking
(1)BK Designation.
(1) Alternatively, the number on a wire if a numbered wire is used.
BK Cable colour, black.
BN Cable colour, brown.
BU Cable colour, blue.
Cable marking
W1 Designation.
WDesignation for cables.
1Cable number.
5.3 Installation of cables and connection boxes
Cable connection identication.
See Appendix A, Cable connections overview.
• The wires in the cables W1 and W2 are marked with numbers.
• The wires in the cables W3 to W8 are marked with colours.
Tools and materials
• Stripping pliers (insulation on the wires must be stripped by 10 mm to ensure good
contact in the terminal blocks)
• Cable cutters, knife, drill machine/automatic screwdriver
• Instrument screwdriver, maximum 4 mm wide, to open the terminal blocks in
connection box 1 and 2.
• Cable ties, fasteners.
• Drill additional Ø 4.5 mm holes in exhaust rail for fasteners.
Transformer voltage setting and fuse
• Remove the drive unit cover and check the transformer or wiring for correct
transformer voltage setting according to Appendix B, ‘Circuit diagram 1’.
• Replace Fuse F1 if necessary according to Appendix A,
‘Cable connections overview’.
Identifying the circuit diagram
Check how many control boxes are supplied with the system, and depending on the
quantity, select the circuit diagram in question in accordance with the list below.
• 2 Control boxes, Standard, see Appendix B, ‘Circuit diagram 2’.

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• 3 Control boxes, Option 1 middle control box, see Appendix B, ‘Circuit diagram 3’.
• 3 Control boxes, Option 2 middle control box, see Appendix B, ‘Circuit diagram 4’,
which is used to complement an already installed system with an additional middle
control box.
Other information
Along with any of the above selected circuit diagrams, Appendix B, ‘Circuit diagram 1’
must always be used when connecting the suction trolley return unit.
Get a good idea of how the electrical system is designed by identifying the integral
electrical components in Appendix A, Cable connections overview where the cables are
identied by the designations W1–W16.
It is assumed that the connection boxes C_BOX_1 and C_BOX_2 and Drive unit are
tted, and that disconnection arrow SLX1 has been positioned at the desired location in
consultation with the customer.
Bus bar SLX3 must be aligned so that the driving slot’s current collector has good
contact with the bottom of the bus bar and that the current collectors run without
resistance along the bus bar.
Check that the magnetic sensor SL2 is tted about 0.7 metres in front of the disconnection
arrow SLX1.
WARNING! Risk of electric shock!
The power supply must be disconnected from the drive unit. If the power supply cable is
already installed to the drive unit then the power supply must be disconnected from the
drive unit. Switch off the working switch and lock the knob with a padlock, and mark
this with the sign “Work in progress”.
Cable W2
1. Route the cable W2 into connection box 1.
2. Route the cable to the left in the connection box and connect it at the bottom of the
terminal block in accordance with Appendix B, ‘Circuit diagram 2’.
Cable W1
1. Route the cable W1 into connection box 1 and connect in accordance with Appendix
B, ‘Circuit diagram 2’.
2. Route the cable over the extraction channel.
3. Drill a 4.5 mm hole in the top of the channel, press in a fastener and afx the cable.
4. Route the cable through the tting on the drive unit.
5. Adapt the length of the cable so that the drive unit can be loosened and placed on top
of extraction channel during service.
6. Connect the cable to the drive unit in accordance with Appendix B,
‘Circuit diagram 1’.
Cable W3
1. Route the cable W3 into connection box 1 and connect in accordance with
Appendix B, ‘Circuit diagram 2’.
2. Route the cable over the extraction channel and adjust the length of the cable
(maximum 1.5 m).
3. Press the red at pin sockets onto the wires and connect to SLX2 (bus bars’ rear
edge). Afx the cable with fasteners and cable ties.

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Cable W4
1. Route the cable W4 (embedded cable from limit position SL4) under the extraction
channel behind the end stop into connection box 1 and connect in accordance with
Appendix B, ‘Circuit diagram 2’.
2. Afx the cable with fasteners and cable ties.
Cable W2 continued
1. Secure the cable W2 with a fastener on top of the extraction channel and press the
cable down into the extraction channel slot.
2. Thread the cable cluster through the extraction channel’s mounting brackets and then
press the cable down into the extraction channel slot. Perform this the whole way up
to connection box 2.
3. If the customer has ordered an additional control box, then an extra connection box
(Connection Box 3) is connected in a suitable location above the extraction channel,
see Appendix A, ‘Cable connections overview’, and connect in accordance with
Appendix B, ‘Circuit diagram 3’. A loop of cable can be temporarily routed where
the connection box should be located.
4. Add a suitable surplus of cable in a loop above the extraction channel and connect
W2 in connection box 2.
Cable W5
1. Route the cable W5 into connection box 2 and connect in accordance with
Appendix B, ‘Circuit diagram 2’.
2. Route the cable over the extraction channel, maintain the cable’s length, 3 m, press
the red female pin sockets onto the wires and connect to SLX1 (disconnection
arrow’s rear edge).
3. Afx the cable with fasteners and cable ties.
Cable W6
1. Route the cable W6, embedded cable from limit position SL2 (Inductive sensor).
2. Route the cable over the extraction channel. Maintain the length of the cable 3 m,
and route it into connection box 2 and connect in accordance with Appendix B,
‘Circuit diagram 2’.
3. Afx the cable with fasteners and cable ties.
Cable W7 and W8
1. See Appendix B, ‘Driving slot circuit diagram’.
2. Strip W7 and press at pin sockets onto the blue and brown wires.
3. Connect on the underside/rear edge of the current collectors.
4. Adapt the limit position SLX cable W8 and cable W7 so that they reach up to the
lower edge of the driving slot.
5. Add a suitable surplus for cable jointing and for future repairs.
6. Cut off the wires that will not be used and thread the enclosed shrink tube over the
cables as illustrated.
7. Strip the wires approximately. 15 mm.
8. Join the brown/brown and blue/blue in 4 mm round female pin sockets.
9. Press the sockets onto the driving slot’s pins. The positioning does not matter.
10. Use fasteners to secure the cables on the suction trolley.

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Cable W9 to W16
Cable W9 to W16 is not included in the suction trolley return. EKK or EKLK is a suitable
cable that is recommended. See Appendix A, Cable connections overview (coloured
boxes).
Cables W9, W10 and W16 are control cables, low voltage
installation 5 VDC. Connect cables W9, W10 and W16 according
to Appendix B, ‘Circuit diagram 2’ , ‘Circuit diagram 3’ or
‘Circuit diagram 4’ depending on the chosen conguration.
Cable W11 is a low-voltage installation 24 VAC. The cable routing of W11 can be
complex depending on the location of the damper. If you use a cable with a maximum
outer diameter of 7.4 mm, it is possible to route it in the aluminium prole’s vacant slot
(equivalent slot as W2 is routed in). One suggestion is to use Ölex/Ryex 7G 0.75
mm2 that ts precisely inside the extraction channel slot. Connect cable according to
Appendix B ‘Circuit diagram 5’.
Cable W12 is a control cable, which is connected to Fan Starter
or Fan Inverter. Connect cable according to Appendix B,
‘Circuit diagram 5’, ‘Circuit diagram 6’ ‘Circuit diagram 7’ or ‘Circuit diagram 8’
depending on the choosen conguration.
Before connecting cable W13, W14 and W15, go to
Section ‘5.4 Electrical continuous test (2 persons required)’ and perform an
electrical continuous test.
Cables W13 to W15 with the associated power components constitute a power current
installation. Power components are fan, working switches and starting devices for the fan.
A qualied electrician must perform the installation and the connection to the network.
Green-marked components and pink marked cables are included in the suction trolley
return and are installed by Nederman’s electricians.
Blue-marked components, and yellow-marked cables are not included in the suction
trolley return and are installed by a local qualied electrician.
Orange-marked cables are installed by the installation team. These cables are not included
in the suction trolley return.
Table 5-2: Cable table
Cable Circuit diagram Type
W9, W10, W16 2, 3, 4. 5 V DC Control cable to Control Box. 5 V DC Control
cable to Control Box.
W11 5, 6, 7, 8 24 V DC Control cable to Damper.
W12 5, 6, 7, 8 24 V DC Control cable to Fan Starter or Fan Inverter.
W13 1, 10 Mains power cable to Drive unit and Safety switch.
W14, W15 See Fan Starter or Fan Inverter
documentation. See also Section
9.2 Cable connections overview.
Mains power cable to Safety switch and Fan Starter
or Fan Inverter.
5.4 Electrical continuous test (2 persons required)
Before you power up the system it is recommended to do an electrical wiring test to
control if the wiring is done according to the electrical drawings.
You need a Voltage multimeter with buzz test.
Make sure that the Trolley Return System’s power supply is off.
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