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MIW-STRS1-15-75-LXX-EN-000 - 21 / 09 / 2018
7 - 9
4.4
Connect the contacts for TK monitoring for thermal motor protection
(terminals TK).
ATTENTION
A safety isolator / disconnect switch should be installed on the mains electricity
side of all motor drives.
Fig. 3 Wiring and connections
STRS1-15L22, STRS1-22L22 and STRS1-25L22
STRS1-35L22, STRS1-50L22, STRS1-75L22
Pe L
N N1 L1 U N
TK TK
230 Vac
M
IN
230 VAC
OUT
230 VAC
L N
L1 N
U
M
TK TK
ATTENTION
5.
Make sure the connections are correct before you power the unit.
5.
Close the cover and secure it with the screws.
6.
Turn the knob at ‘0’.
7.
Tighten the cable glands.
8.
Switch on the mains supply.
9.
Make sure the transformer controller can operate normally (consider an isolating
switch).
10.
Turn the knob into the relevant position to adjust the output voltage.
Optional settings
The standard configuration of the output voltages is as indicated in
Table 1
below.
However, because more than 5 output voltages are available, it is possible to adjust
the 5 steps by changing the internal wiring.
Table 1 Voltage series
Knob position
0
-
1
2
3
4
5
Wires
-
Regulated output [VAC]
Voltage
0
80*
110
140
170
190
230
Unregulated output [VAC]
L1
0
-
230
230
230
230
230
* Available but not connected.
VERIFICATION OF INSTALLATION
ATTENTION
Use only tools and equipment with non-conducting handles when working on
electrical devices.
After connecting the unit to the mains supply, the green LED on its cover should light
up to indicate that the controller is supplied.
230 VAC TRANSFORMER
CONTROLLER WITH TK
STRS1