/ Battery Charging Systems / Welding Technology / Solar Electronics
Autotrafo TT 2600 - 230/200 V
Autotrafo TT 2600/3000 - 480/440 V
Autotrafo TT 2600/3000 - 500/460 V
Autotrafo MW 2600 - 230/200 V
Autotrafo MW 2600/3000 - 480/440 V
Autotrafo MW 2600/3000 - 500/460 V
Autotrafo MW 2600 - 575 V
Fitting Instructions
Autotransformer
EN
42,0426,0036,EN 002-11042012
Contents
General ......................................................................................................................................................... 2
Concept .................................................................................................................................................... 2
Versions ................................................................................................................................................... 2
Controls and connections .............................................................................................................................. 4
Controls and connections „Version 1“ ...................................................................................................... 4
Controls and connections „Version 2“ ...................................................................................................... 4
Controls and connections „Version 3“ ...................................................................................................... 5
Setting the mains voltage .............................................................................................................................. 6
Safety ....................................................................................................................................................... 6
Converting the mains voltage for „Version 1“ ........................................................................................... 6
Converting the mains voltage for „Version 2“ ........................................................................................... 8
Putting the machine into service ................................................................................................................... 9
Safety ....................................................................................................................................................... 9
Preparing to install ................................................................................................................................... 9
Installing the components ...................................................................................................................... 10
Connecting the auto-transformer „Version 1“ .......................................................................................... 11
Connecting the auto-transformer „Versions 2 and 3“ ..............................................................................11
Care, maintenance and disposal ................................................................................................................. 12
General .................................................................................................................................................. 12
Every start-up ......................................................................................................................................... 12
Every 6 months ...................................................................................................................................... 12
Every 12 months .................................................................................................................................... 12
Disposal ................................................................................................................................................. 12
Troubleshooting........................................................................................................................................... 13
General .................................................................................................................................................. 13
Troubleshooting ..................................................................................................................................... 13
EN
Technical data ............................................................................................................................................. 15
Safety ..................................................................................................................................................... 15
Auto-transformer „Version 1“ (480/440 V, 500/460 V) ............................................................................ 15
Auto-transformer „Version 1“ (230/200 V) .............................................................................................. 16
Auto-transformer „Versions 2 and 3“ ...................................................................................................... 17
Spare parts list
Circuit diagrams
Fronius Worldwide
1
General
Concept
Versions Version 1:
This range of digital machines is remarkably flexible and readily adaptable to a wide
range of applications. These welcome features are due firstly to the modular product
design and secondly to the scope that the system gives for troublefree system expansion. High-quality components, protective plastic frames and a powder-coated aluminium
housing ensure excellent reliability and durability.
The auto-transformers are especially designed to meet the requirements of this range of
digital machines.
They allow the machines to be used with available mains voltages.
- Auto-transformer TT 2600/3000 - 480/440 V
- Auto-transformer TT 2600/3000 -500/460 V
- Auto-transformer MW 2600/3000 - 480/440 V
- Auto-transformer MW 2600/3000 -500/460 V
- Auto-transformer MW 2600 - 200, 230/400 V
- Auto-transformer TT 2600 - 200, 230/400V
Fig. 1 Front view, „Version 1“
Fig. 2 Rear view, „Version 1“
2
Versions
(continued)
Version 2:
- Auto-transformer MW 2600/3000 - 480/440 V
EN
Fig. 3 Front view, „Version 2“
Version 3:
- Auto-transformer MW 2600/3000 - 575 V
Fig. 5 Front view, „Version 3“
Fig. 4 Rear view, „Version 2“
Fig. 6 Rear view, „Version 3“
3
Controls and connections
Controls and
connections
„Version 1“
(1)
(2)
(3)
Controls and
connections
„Version 2“
Fig. 1 Front view, auto-transformer TT 2600/3000
MW 2600/3000
Fig. 2 Rear view, auto-transformer TT 2600/3000
MW 2600/3000
(1) Main switch ... central switch for turning all system components of the welding
machine on and off
(2) Power source connection socket ... for supplying the power source with the
transformed voltage.
(3) Mains cable ... for supplying the auto-transformer with the mains voltage
(5)
(4)
(3)
(2)
Fig. 3 Front view. Auto-transformer MW2600
(1)
(6)
Fig. 4 Rear view. Auto-transformer MW2600
(1) Main switch ... central switch for turning all system components of the welding
machine on and off
(2) Socket fuse ...T10A 440V
(3) Power source connection cable „OUTPUT 50/60 Hz“ ... for supplying the power
source with the transformed voltage.
4
Controls and
connections
„Version 2“
(continued)
Controls and
connections
„Version 3“
(4) Mains cable „INPUT 50/60Hz“ ... for supplying the auto-transformer with the mains
voltage
(5) Socket outlet ... 230V/10 A
(6) Strain relief devices ... for connection cables of external devices
EN
(2)
Fig. 5 Front view, auto-transformer MW2600 575 V
(1)
(5)
(6)
Fig. 6 Rear view, auto-transformer MW2600 575 V
(3)
(4)
(1) Main switch ... central switch for turning all system components of the welding
machine on and off
(2) Fan fuse ...T400mA 440 V
(3) Power source connection cable „OUTPUT 50/60 Hz“ ... for supplying the power
source with the transformed voltage.
(4) Mains cable „INPUT 50/60Hz“ ... for supplying the auto-transformer with the mains
voltage
(5) Blanking cover
(6) Blanking cover
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Setting the mains voltage
Safety
Converting the
mains voltage for
„Version 1“
WARNING! Work performed incorrectly can cause serious injury and damage.
The following activities must only be carried out by Fronius-trained qualified
personnel! Take note of the safety rules in the power source operating instructions.
WARNING! An electric shock can be fatal. Before opening the unit, turn the main
switch to the „0“ position and pull out the mains plug or disconnect the power
supply.
1. Turn the main switch on the auto-transformer to the „0“ position
2. Pull out the mains plug or disconnect the power supply
3. Remove the auto-transformer cover
Example: Converting from 500 V to 460 V
23456789012345
23456789012345
Setting
460 V
23456789012345
Setting
23456789012345
23456789012345
500 V
23456789012345
23456789012345
23456789012345
23456789012345
23456789012345
23456789012345
23456789012345
23456789012345
23456789012345
23456789012345
23456789012345
23456789012345
23456789012345
23456789012345
23456789012345
23456789012345
23456789012345
Mains cable (50/60Hz)
„INPUT 50/60 Hz“
234567890123456
460V
L3=W
460V
L2=V
234567890123456
460V
500V
234567890123456
234567890123456
234567890123456
L1=U
L3=W
500V
L2=V
500V
L1=U
460 /
500V
460 /
500V
460 /
500V
PE
Fig. 7 Terminal strip TT 2600/3000 MW 2600/3000 - 500/460 V
6
Converting the
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mains voltage for
„Version 1“
(continued)
Example: Converting from 480 V (230 V) to 440 V (200 V)
23456789012345
23456789012345
Setting
440 V
(200 V)
440V
440V
L3=W
200V
440V
L2=V
L1=U
200VL2200VL3230VL1230VL2230VL3200 /
L1
Setting
23456789012345
23456789012345
480 V
23456789012345
23456789012345
23456789012345
(230 V)
23456789012345
23456789012345
23456789012345
23456789012345
23456789012345
23456789012345
23456789012345
23456789012345
23456789012345
23456789012345
23456789012345
23456789012345
23456789012345
23456789012345
234567890123456
234567890123456
234567890123456
480V
480V
234567890123456
234567890123456
234567890123456
L3=W
L2=V
234567890123456
234567890123456
234567890123456
234567890123456
234567890123456
480V
L1=U
Mains cable (50/60Hz)
„INPUT 50/60 Hz“
440 /
440 /
440 /
480V
480V
480V
200 /
200 /
230V
230V
230V
PE
PE
EN
Fig. 8 Terminal strip TT 2600/3000 MW 2600/3000 - 480/440 V (TT 2600 MW 2600 - 230/200 V)
4. Disconnect the phase conductors (L1, L2, L3) in the „Setting 500 or 480 V (230 V)“
section
NOTE! Operating the auto-transformer with phase conductors only partially
reconnected can cause serious damage. When converting the mains voltage,
always make sure that all phase conductors are reconnected.
5. Connect the phase conductors (L1, L2, L3) in the „Setting 460 or 440 V (200 V)“
section
6. Check that all cables are securely connected to the terminal strip
7. Attach the auto-transformer cover
8. Cross out the mains voltage in the space above the rating plate and enter the mains
voltage you have set in the empty box
CAUTION! Operating the equipment at an incorrect mains voltage can cause
serious damage. The entered value must correspond to the mains voltage actually set.
Fig.9 Entering the mains voltage set - example
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