00193437-03_AI_PowerSupplyConversion_DE+EN.pdf - 第161页
Assembly Instructions, Converting the Power S upp ly 3 Converting the power supply on HF machines 12/2013 Edition 3.5 Converting the power supply from 3 x 400 VAC to 3 x 208 VAC 159 Fig. 3 - 5 Releasing the yellow lockin…
3 Converting the power supply on HF machines Assembly Instructions, Converting the Power Supply
3.5 Converting the power supply from 3 x 400 VAC to 3 x 208 VAC 12/2013 Edition
158
3.5.2 Replacing the motor protection trip block
The ZM-32-PKZ2 motor protection trip block, item number 00342496-01, must be used for 3x208
VAC and 3x230 VAC supply voltages. The position of the motor protection trip block is shown in
Fig. 3 - 2
, item MS1A.
3.5.2.1 Removing the motor protection trip block
3
Fig. 3 - 3 Removing the motor protection trip block MS1A
3
Fig. 3 - 4 Lifting the protective flap
Turn the switch (1) counter-clockwise to the "0" position
Lift the
protective flap (2)
Assembly Instructions, Converting the Power Supply 3 Converting the power supply on HF machines
12/2013 Edition 3.5 Converting the power supply from 3 x 400 VAC to 3 x 208 VAC
159
Fig. 3 - 5 Releasing the yellow locking tab
Fig. 3 - 6 Removing the motor protection trip block MS1A
3.5.2.2 Inserting the motor protection trip block
Check the type of motor protection trip block before you insert it. The type depends on the op-
erating voltage.
Use the screwdriver to push up the yellow locking tab (3)
Pull out the motor protection
trip block (4)
3 Converting the power supply on HF machines Assembly Instructions, Converting the Power Supply
3.5 Converting the power supply from 3 x 400 VAC to 3 x 208 VAC 12/2013 Edition
160
3
Check the overcurrent and short-circuit current trip threshold settings.
Fig. 3 - 7 Checking the overcurrent and short-circuit current trip thresholds
3
Insert the motor protection trip block (3).
Push the yellow locking tab (4) down.
Close the gray protective flap (5).
Turn the rotary switch (6) clockwise as far as the stop.
Main power voltages Type
3x208 VAC ± 5% ZM-32-PKZ2
3x230 VAC ± 5% ZM-32-PKZ2
Tab. 3 - 2 Motor protection trip block for 3x208 VAC, 3x230 VAC
Motor protection trip
block
Yellow dial (1) for setting the
overcurrent trip threshold
Red dial (2) for setting the short-
circuit current trip threshold
ZM-32-PKZ2 24 A 375 A
Tab. 3 - 3 Overcurrent and short-circuit current trip thresholds
Check the overcurrent trip
threshold (yellow dial (1))
Check the short-circuit cur-
rent trip threshold
(red dial (2))