Technogym RUN 600 XTPRO User manual

SERVICE & MAINTENANCE MANUAL
REV. 1.3

The information contained in this manual is intended for QUALIFIED TECHNICIANS who have
completed a specific TECHNOGYM training course and are authorized to perform machine start-up
and adjustment procedures as well as extraordinary maintenance or repairs which require a thorough
knowledge of the machine, its operation, its safety devices and working procedures.
CAREFULLY READ THE INFORMATION CONTAINED IN
THIS MANUAL BEFORE PERFORMING ANY MAINTENANCE
PROCEDURES ON THE MACHINE
DANGEROUS VOLTAGES
PRESENT EVEN WHEN THE
MACHINE IS TURNED OFF
NOTE
The information contained in this document is subject to change without notice.
Technogym does not guarantee this documentation in any way. Technogym shall not be held
responsible for any errors contained in this manual and declines all liability for accidents or
damages resulting from the supply, characteristics or use of this manual.
This document contains proprietary information that is protected by copyright. All rights reserved.
No part of this document may be photocopied, reproduced or translated into another language
without the prior written consent of Technogym.
The Technogym™ trademark is property of Technogym S.p.A.
The Run 600 XTPRO™ trademark is property of Technogym S.p.A.

RUN 600 XTPRO: Service & Maintenance Manual - rev. 1.3
Page i
Contents
1. GENERAL NOTICES............................................................................................................................................1.1
1.1. INTRODUCTION .................................................................................................................................................1.1
1.2. RECOMMENDATIONS.........................................................................................................................................1.1
1.3. GENERAL RULES FOR REPAIR PROCEDURES.......................................................................................................1.2
2. TECHNICAL CHARACTERISTICS ..................................................................................................................2.1
2.1. MECHANICAL CHARACTERISTICS ......................................................................................................................2.1
2.2. ELECTRICAL CHARACTERISTICS ........................................................................................................................2.1
2.3. AMBIENT SPECIFICATIONS.................................................................................................................................2.1
2.4. CONFORMITY TO REGULATIONS ........................................................................................................................2.1
2.5. WIRING DIAGRAM FOR THE 220 MODEL WITH NON-CODED RECEIVER ...............................................................2.2
2.5.1. Connectors............................................................................................................................................2.2
2.5.2. Wiring ...................................................................................................................................................2.4
2.6. WIRING DIAGRAM FOR THE 220 USA MODEL ...................................................................................................2.8
2.7. WIRING DIAGRAM FOR THE 110 USA MODEL .................................................................................................2.10
2.8. WIRING DIAGRAM WITH CODED RECEIVER ......................................................................................................2.11
2.9. WIRING DIAGRAM WITH HITACHI J100 INVERTER ...........................................................................................2.12
2.10.WIRING DIAGRAM WITH ZT30 POWER SUPPLY ................................................................................................2.13
3. PRINCIPLES OF OPERATION ..........................................................................................................................3.1
3.1. BLOCK DIAGRAM ..............................................................................................................................................3.1
3.1.1. Display..................................................................................................................................................3.1
3.1.2. Emergency button .................................................................................................................................3.2
3.1.3. Cardio transmitter ................................................................................................................................3.2
3.1.4. HS interface board................................................................................................................................3.2
3.1.5. RJ45-RS232 board................................................................................................................................3.3
3.1.6. Power supply ........................................................................................................................................3.3
3.1.7. Belt motor .............................................................................................................................................3.3
3.1.8. Inverter .................................................................................................................................................3.3
3.1.9. Inverter interface board........................................................................................................................3.4
3.1.10.Elevation motor ....................................................................................................................................3.4
3.1.11.Photocell...............................................................................................................................................3.4
3.1.12.Elevation board ....................................................................................................................................3.4
3.1.13.Microswitch ..........................................................................................................................................3.5
3.2. TREAD-BELT MOTOR DRIVE ..............................................................................................................................3.6
3.2.1. Mechanics.............................................................................................................................................3.6
3.2.2. Controls ................................................................................................................................................3.6
3.2.3. The signals involved .............................................................................................................................3.6
3.3. ELEVATION MOTOR DRIVE ................................................................................................................................3.9
3.3.1. Mechanics.............................................................................................................................................3.9
3.3.2. The reset procedure ..............................................................................................................................3.9
3.3.3. Controls ................................................................................................................................................3.9
3.3.4. The signals involved ...........................................................................................................................3.10
4. ACCESSORIES......................................................................................................................................................4.1
4.1. CONNECTING TO THE TGS ................................................................................................................................4.1
4.2. CONNECTING TO THE CARDIO THEATER ...........................................................................................................4.1
5. INSTALLATION INSTRUCTIONS ....................................................................................................................5.1
5.1. SPECIFICATIONS AND REQUIREMENTS ...............................................................................................................5.1
5.2. INSTALLATION ..................................................................................................................................................5.1
5.3. FIRST POWER-ON...............................................................................................................................................5.2

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6. TROUBLESHOOTING.........................................................................................................................................6.1
6.1. THE DISPLAY DOES NOT ILLUMINATE ................................................................................................................6.2
6.2. THE INVERTER IS OFF ........................................................................................................................................6.6
6.3. THE DISPLAY SHOWS “ACTIVATED SECURITY” OR “CAUTION = E2” .....................................................6.8
6.4. THE DISPLAY SHOWS “CAUTION = E3” OR “CAUTION = E4”......................................................................6.9
6.4.1. The inverter display shows E01, E02, E03, E04 or E05.....................................................................6.11
6.4.2. The inverter display shows E06 or E07 ..............................................................................................6.12
6.4.3. The inverter display shows E08, E10 or E11......................................................................................6.13
6.4.4. The inverter display shows E09..........................................................................................................6.14
6.4.5. The inverter display shows E12..........................................................................................................6.16
6.4.6. The inverter display shows E14..........................................................................................................6.17
6.4.7. The inverter display shows E15..........................................................................................................6.18
6.4.8. The inverter display shows E21..........................................................................................................6.20
6.4.9. The inverter display does not show any error ....................................................................................6.21
6.5. THE BELT MOTOR IS JERKING ..........................................................................................................................6.23
6.6. THE BELT MOTOR STARTS WITH DELAY...........................................................................................................6.24
6.7. THE DISPLAYED SPEED IS INCORRECT..............................................................................................................6.26
6.8. THE DISPLAY SHOWS “CAUTION = E5” ........................................................................................................6.29
6.9. THE ELEVATION MOVES IN ONLY ONE DIRECTION............................................................................................6.33
6.10.THE DISPLAYED ELEVATION IS INCORRECT......................................................................................................6.36
6.11.THERE IS NO HEART RATE SIGNAL ...................................................................................................................6.38
6.11.1.Telemetric receiver .............................................................................................................................6.38
6.11.2.Hand sensor........................................................................................................................................6.38
6.12.THE TELEMETRIC HEART RATE SIGNAL IS INCORRECT .....................................................................................6.40
7. DISASSEMBLY OF COMPONENTS .................................................................................................................7.1
7.1. DISASSEMBLING THE DISPLAY ...........................................................................................................................7.1
7.2. DISASSEMBLING THE EPROM ..........................................................................................................................7.3
7.3. DISASSEMBLING THE CPU BOARD ....................................................................................................................7.4
7.4. DISASSEMBLING THE KEYBOARD ......................................................................................................................7.5
7.5. DISASSEMBLING THE CARDIO RECEIVER............................................................................................................7.6
7.6. DISASSEMBLING THE EMERGENCY BUTTON.......................................................................................................7.9
7.7. DISASSEMBLING THE HS INTERFACE BOARD ....................................................................................................7.11
7.8. DISASSEMBLING THE HAND SENSORS ..............................................................................................................7.12
7.9. DISASSEMBLING THE MOTOR GUARD ..............................................................................................................7.13
7.10.DISASSEMBLING THE FRONT PLATE .................................................................................................................7.14
7.11.DISASSEMBLING THE RUNNING TRACK ............................................................................................................7.15
7.12.DISASSEMBLING THE DRIVEN ROLLER, THE DRIVING ROLLER, THE TREAD BELT AND THE MOTOR BELT ..........7.17
7.13.DISASSEMBLING THE BELT MOTOR..................................................................................................................7.21
7.14.DISASSEMBLING THE ELECTRONIC CIRCUIT BOARDS .......................................................................................7.23
7.15.DISASSEMBLING THE INVERTER ......................................................................................................................7.24
7.16.DISASSEMBLING THE ELEVATION MOTOR BELT ...............................................................................................7.25
7.17.DISASSEMBLING THE ELEVATION MOTOR ........................................................................................................7.26
7.18.DISASSEMBLING THE ELEVATION MOTOR BRUSHES.........................................................................................7.29
7.19.DISASSEMBLING THE ELEVATION BARS ...........................................................................................................7.30
7.20.DISASSEMBLING THE LEAD SCREW NUTS.........................................................................................................7.31
7.21.DISASSEMBLING THE LIMIT SWITCHES .............................................................................................................7.33
7.22.DISASSEMBLING THE PHOTOCELL....................................................................................................................7.34
8. ADJUSTMENTS ....................................................................................................................................................8.1
8.1. TENSIONING A NEW TREAD BELT.......................................................................................................................8.1
8.2. TENSIONING A USED TREAD BELT......................................................................................................................8.2
8.3. CENTERING THE TREAD BELT ............................................................................................................................8.3
8.4. ADJUSTING THE TENSION AND ALIGNMENT OF THE TREAD-BELT MOTOR BELT..................................................8.4
8.5. TENSIONING THE ELEVATION MOTOR BELT .......................................................................................................8.6
8.6. ALIGNING THE ELEVATION BARS .......................................................................................................................8.7
8.7. CALIBRATING THE TREAD BELT SPEED ..............................................................................................................8.8
8.8. CENTERING THE PHOTOCELL.............................................................................................................................8.9

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9. CONFIGURING THE MACHINE.......................................................................................................................9.1
9.1. USER SETTING PARAMETERS .............................................................................................................................9.1
9.1.1. Language used......................................................................................................................................9.1
9.1.2. Measurement system .............................................................................................................................9.2
9.1.3. Maximum time ......................................................................................................................................9.2
9.1.4. Activating the “+” and “ − ” keys .........................................................................................................9.2
9.1.5. Disabling the function keys...................................................................................................................9.2
9.1.6. Enabling the “ENTER” key..................................................................................................................9.3
9.1.7. Setting the priority ................................................................................................................................9.3
9.2. TECHNICAL SETTING PARAMETERS ...................................................................................................................9.3
9.2.1. Enabling use of the hand sensor...........................................................................................................9.4
9.2.2. Enabling the display mode ...................................................................................................................9.4
9.3. MAINTENANCE INFORMATION ...........................................................................................................................9.4
9.3.1. Hours on ...............................................................................................................................................9.4
9.3.2. Hours of use of the belt motor ..............................................................................................................9.5
9.3.3. Minutes of use of the evelation motor...................................................................................................9.5
9.3.4. Distance covered ..................................................................................................................................9.5
9.4. CHANGING THE MAINTENANCE INFORMATION...................................................................................................9.5
9.4.1. Hours on ...............................................................................................................................................9.5
9.4.2. Hours of use of the belt motor ..............................................................................................................9.5
9.4.3. Minutes of use of the evelation motor...................................................................................................9.6
9.4.4. Distance covered ..................................................................................................................................9.6
9.5. PROGRAMMING THE HITACHI SJ100 INVERTER .............................................................................................9.7
9.5.1. Monitor function parameters................................................................................................................9.8
9.5.2. Modified parameter settings .................................................................................................................9.8
9.6. PROGRAMMING THE HITACHI J100 INVERTER................................................................................................9.9
10. SCHEDULED MAINTENANCE........................................................................................................................10.1
10.1.EXTERNAL CLEANING OPERATIONS .................................................................................................................10.1
10.1.1.Setting up the operation......................................................................................................................10.1
10.1.2.Cleaning operations ...........................................................................................................................10.1
10.1.3.Lubricating the tread belt ...................................................................................................................10.1
10.2.ROUTINE MAINTENANCE OPERATIONS.............................................................................................................10.2
10.2.1.Internal cleaning operations...............................................................................................................10.2
10.2.2.Lubricating the elevation bars............................................................................................................10.2
10.2.3.Checking the state of wear..................................................................................................................10.2
10.2.4.Checking and centering the tread belt................................................................................................10.3
10.2.5.Checking the emergency button..........................................................................................................10.3
10.3.SPECIAL MAINTENANCE OPERATIONS ..............................................................................................................10.4
10.3.1.Carrying out the routine maintenance procedure ..............................................................................10.4
10.3.2.Checking the working conditions........................................................................................................10.4
10.3.3.Checking the wiring and connections.................................................................................................10.4
10.3.4.Checking the display...........................................................................................................................10.4
10.3.5.Checking the wear of the motor roller................................................................................................10.4
10.3.6.Checking the wear of the rear roller...................................................................................................10.5
10.3.7.Checking the wear of the rubber handlebar covers............................................................................10.5
10.3.8.Checking the tread belt motor drive-belt............................................................................................10.5
10.3.9.Checking the elevation motor drive-belt.............................................................................................10.5
10.3.10. Checking the shock absorbers .........................................................................................................10.5
10.3.11. Checking the speed calibration........................................................................................................10.5
10.3.12. Checking the operation of the cardio receiver.................................................................................10.5
10.3.13. Checking the operation of the hand sensor receiver........................................................................10.6
11. APPENDIX ...........................................................................................................................................................11.1
11.1.TECHNICAL NOTES ON CARDIO RECEIVERS......................................................................................................11.1
11.1.1.Type of ASIC.......................................................................................................................................11.2
11.1.2.Presence of electromagnetic fields .....................................................................................................11.2
11.1.3.Reducing receiver sensitivity ..............................................................................................................11.3

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11.1.4.Mechanical vibrations ........................................................................................................................11.4
11.1.5.Position of the receiver.......................................................................................................................11.4
11.1.6.Routing of cables ................................................................................................................................11.6
11.2.PERSONAL CODED DEVICE .............................................................................................................................11.7
11.2.1.Operating modes.................................................................................................................................11.7
11.3.HITACHI SJ100 INVERTER ERROR CODES ........................................................................................................11.9
11.4.PROCEDURE FOR CLEARING THE ERROR MEMORY ON HITACHI SJ100 INVERTER ..........................................11.10
11.5.PROCEDURE FOR CLEARING PARAMETERS ON HITACHI SJ100 INVERTER ......................................................11.10
11.6.HITACHI J100 INVERTER ERROR CODES ........................................................................................................11.12
11.7.PROCEDURE FOR CLEARING THE ERROR MEMORY ON HITACHI J100 INVERTER ............................................11.13

RUN 600 XTPRO: Service & Maintenance Manual - rev. 1.3
Page 1.1
1. GENERAL NOTICES
1.1. INTRODUCTION
This document is reserved for Technogym Service technicians, and is intended to provide
authorized personnel with the necessary information to correctly carry out repairs and maintenance.
A thorough knowledge of the technical information contained in this manual is essential for
completing the professional training of the operator.
In order to facilitate consultation, the paragraphs are accompanied by schematic drawings which
illustrate the procedure being described.
This manual contains notices and symbols which have a specific meanings:
WARNING: non observance may result in accident or injury.
ATTENTION: non observance may cause damage to the machine.
Information about the operation in progress.
OBSERVE: observation about the operation in progress.
1.2. RECOMMENDATIONS
Technogym recommends the following steps for planning repair procedures:
• Carefully evaluate the customer’s description of the machine malfunction and ask all the
necessary questions to clarify the symptoms of the problem.
• Clearly diagnose the causes of the problem. This manual provides the fundamental theoretical
basis, which must then be integrated by personal experience and attendance at the training
courses periodically offered by Technogym.
• Rationally plan the repair procedure so as to minimize the downtime necessary for procuring
spare parts, preparing tools, etc.
• Access the component to be repaired, avoiding any unnecessary operations. In this regard it will
be useful to refer to the disassembly sequence described in this manual.

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Page 1.2
1.3. GENERAL RULES FOR REPAIR PROCEDURES
1. Always mark any parts or positions which may be confused with each other at the time of
reassembly.
2. Use original Technogym spare parts and lubricants of the recommended brands.
3. Use special tools where specified.
4. Consult the Technical Newsletters, which may contain more up-to-date information on
adjustments and maintenance than those contained in this manual.
5. Before starting the repair procedure, make sure that the recommended tools are available and in
good condition.
6. For the procedures described in this manual, use only the specified tools.
OBSERVE: The tool sizes quoted in this manual are expressed in mm.

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Page 2.1
2. TECHNICAL CHARACTERISTICS
2.1. MECHANICAL CHARACTERISTICS
Width 77 cm
Length 212 cm
Height 140 cm
Weight 220 Kg
2.2. ELECTRICAL CHARACTERISTICS
There are two separate models of the machine for 220 and 110 VAC mains electricity supplies,
which differ in certain components detailed in paragraph 2.7. :
110 Model 220 and 220 USA Models
Mains voltage 115 VAC 230 VAC
Frequency 50 - 60 Hz 50 - 60 Hz
Consumption ~ 1800 Watt - 16 A ~ 1800 Watt - 8 A
Fuse 5x20 4 A fast-blow 5x20 4 A fast-blow
2.3. AMBIENT SPECIFICATIONS
Operating from 5° to 35° C
Temperature Storage from -20 to 55° C
Operating from 30% to 80% non-condensing
Humidity Storage from 5% to 85% non-condensing
2.4. CONFORMITY TO REGULATIONS
The machine conforms to the following directives:
Europe USA
EMI EN 60601-1-2
Safety EN 60601-1
EN 957-1
Directive
73/23/CEE
93/68/CEE
89/336/CEE
UL 2601-1

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Page 2.2
2.5. WIRING DIAGRAM FOR THE 220 MODEL WITH NON-
CODED RECEIVER
2.5.1. CONNECTORS
• CPU board
Name type of connector connection
CN1 AMP MATE-N-LOCK 12 -pin F. to inverter interface board
CN2 Flat 10-pin to RJ45-RS232 board
CN4 AMP MODU II 6-pin M. to cardio receiver
CN5 AMP MODU II 4-pin M. to emergency button
CN6 AMP MODU II 2-pin M. to emergency button
CN7 AMP MODU II 4-pin M. to HS interface board

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Page 2.3
• RJ45-RS232 board
Name type of connector connection
CN1 Male panel connector DB9 to TGS reader
CN2 Panel RJ45 to Cardio Theater
CN3 Female panel connector DB9 to external device (not used)
CN4 Flat 10-pin to CPU board
• HS interface board
Name type of connector connection
HD2 Molex 3-pin to left hand sensor
HD3 Molex 3-pin to right hand sensor
HD4 Molex 3-pin to CPU board
• Power supply
Name type of connector connection
CN1 PANDUIT 6-pin to mains electricity supply
CN2 PANDUIT 8-pin to inverter interface board
• Inverter interface board
Name type of connector connection
CN1 AMP MATE-N-LOCK 6-pin F. to inverter
CN2 AMP MATE-N-LOCK 12-pin F. to CPU board
CN4 AMP MOD I 4-pin M to power supply
• Elevation board
Name type of connector connection
CN1 AMP MOD II 4-pin M. to photocell
CN2 AMP MATE-N-LOCK 4-pin F. to CPU board
CN3 AMP MATE-N-LOCK 6-pin F. to elevation motor – limit switches
CN4 AMP MATE-N-LOCK 2-pin F. to mains electricity supply
CN5 Sauro 2-pin to transformer
CN6 Sauro 2-pin to rectifier bridge
• Patch cord
Name type of connector connection
CN10 Faston between belt motor and inverter interface board
CN11 Faston between relay and CPU board/emergency button

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Page 2.4
2.5.2. WIRING
The high voltage power supply cables and the ground connections are not described here, in that
they can be easily determined from the wiring diagram above.
RXIMQ-1: Internal connection cable
CPU board – Inverter interface board – Elevation board
CPU board
CN1
Signal Color Inverter
interface
board
CN2
Elevation
board
CN2
1 +12 Vdc Blue 1 1 -
2 +5 Vdc Brown 1 2 -
3 Ground Gray 1 3 -
4 -12 Vdc White 5 -
5 not used Violet 12 -
6 Tread belt speed
reference (PWM)
Red 10 -
7 Start Black 8 -
8 Inverter alarm Orange 9 -
9 Status Brown 2 - 1
10 Up Pink - 2
11 Down Blue 2 - 3
12 Ground Gray 2 - 4
RX-5/A bis: Inverter cable
Inverter interface board – Inverter – Patch cord
Inverter interface
board
CN1
Signal Color Inverter Patch
cord
CN10
- Thermal cutout Green 3 2
1 White -
- Thermal cutout Gnd White P24 1
2 Start Grey 1 -
3 Alarm Blue AL1 -
4 Alarm Gnd Red AL0 -
5 Speed analogue reference (0-10
Vdc)
Brown O -
6 Speed Gnd Black L -

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RX-6: Elevation motor cable
Elevation board – Elevation motor – Limit Switches
Elevation board
CN3
Signal Color Elevation
motor
Upper
LS
Lower
LS
1 Motor power supply Brown 1 - -
2 Motor ground Blue 2 - -
3 NO upper limit White - 3 -
4 NC lower limit switch Violet - - 2
6 Limit switch ground Black - 1 1
RX-8: Low voltage power supply cable
Power supply – Inverter interface board
Power supply
CN2
Signal Color Inverter interface
board
CN4
1 +12 Vdc Red 2
3 +5 Vdc Yellow 4
4 Ground Black 3
6 -12 Vdc Blue 1
RX-11: Elevation motor power supply cable
Elevation board – Rectifier bridge
Elevation board
CN6
Signal Color Rectifier bridge
1 48 VAC Red +
2 Ground Black −
RX-12: Photocell cable
Elevation board – Photocell
Elevation board
CN1
Signal Color Photocell
1 +5 Vdc Red 1
2 Clock Orange 2
3 Direction Blue 3
4 Ground Black 4

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RX-13S: Emergency button cable
CPU board – Emergency button
CPU board
CN6
Signal Color Emergency
button
1 NC contact Black 2
2 Reference Clear 1
RX-13QA: Emergency button cable
Emergency button - CPU board – Patch cord
Emergency
button
Signal Color CPU board
CN5
Patch cord
CN11
1 Reference Brown - 1
2 Brown 2 -
-
Relay power
supply (-12 Vdc) Blue 4 0
RX-1Q: Relay cable
Patch cord – Relay
Patch cord
CN11
Signal Color Relay
1 Relay power supply (12 Vdc) Blue 1
2 Reference Brown 0
The connection to pins “0” and “1” can be swapped.
XC-1: Output ports cable
CPU board – RJ45-RS232 board
CPU board
CN2
Signal Color RJ45-RS232
board
CN4
1 +12 Vdc flat 1
2 +12 Vdc flat 2
3 Tx to TGS flat 3
4 +5 Vdc flat 4
5 Rx from TGS flat 5
6 Tx to PC flat 6
7 Ground flat 7
8 Rx from PC flat 8
9 Ground flat 9
10 Ground flat 10

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CR-XT: Non coded heart rate meter cable
CPU board – Cardio receiver
CPU board
CN4
Signal Color Receiver
1 +5 Vdc Red 1
2 Pulse per beat Blue 2
6 Ground Black 3
RX-4FR: Hand sensor cable
CPU board – HS interface board
CPU board
CN7
Signal Color HS interface
board
HD4
1 Pulse per beat Blue 3
2 Ground Black 1
4 +5 Vdc Red 2
RX-HS1UL: Sensor cable
HS interface board – Sensor
HS interface
board
HD2-HD3
Signal Color Sensor
1 Signal Black Faston
2 Signal reference Clear Faston
3 Shield Black -

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2.6. WIRING DIAGRAM FOR THE 220 USA MODEL
The differences in the 220 USA model are the high voltage power supply section and the presence
of an additional emergency device called a “Safety Switch”:
The differences compared to the 220 standard model are:
• power supply cable;
• high voltage wiring;
• use of a filter only for the inverter;
• presence of an additional emergency device called a “Safety Switch” in series with the standard
emergency button. This device consists of a reed relay and a magnet, connected to a cable which
clips onto the user running on the machine. If the user moves away from the display, the cable is

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Page 2.9
pulled taut and eventually detaches the magnet when the distance becomes excessive. The
absence of the magnet causes the reed relay to commutate from closed to open, generating the
emergency signal. The safety switch requires cable RXIMQ-13S to be modified as follows:
RX-13USA: Emergency cable
CPU – Emergency button – Safety switch
CPU board
CN6
Signal Color Emergency
button
Safety switch
1 NC contact Black 2 -
- NC contact Yellow 1 2
2 Reference Orange - 1
An upgrade kit is available (code 0WK247) for installing the safety switch on European
machines.
The other cables are unchanged. Therefore, for their description, refer to the details provided for the
220 Model.

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2.7. WIRING DIAGRAM FOR THE 110 USA MODEL
The 110 VAC mains supply is handled by an autotransformer connected to the output of the
automatic circuit breaker, which receives the 110 VAC input and generates the 220 VAC output.
From this point onward the machine wiring diagram is the same as for the 220 version:
The differences compared to the 220 USA model are:
• the automatic circuit breaker is 20 A - class D instead of 10 A - class C;
• autotransformer 110 - 220;
• mains lead with different cable section and plug;
• 16 A filter instead of a 20 A;
• safety switch as in 220 USA model.