00196497-07_SM_SXDX12_en - 第53页
Service Work Conveyor 3.2.13 Replacing the Motor Protection Relea se Block (PKZ2) Elect rical System Service Manual SIPLACE SX1/SX2/DX1/DX2 FS02 53 Removal ► Switch off the machine, disconnec t it from the po wer supply …
Service Work Conveyor
Electrical System 3.2.13 Replacing the Motor Protection Release Block (PKZ2)
52 Service Manual SIPLACE SX1/SX2/DX1/DX2 FS02
3.2.13
3.2.13 Replacing the Motor Protection Release Block (PKZ2)
Replacing the Motor Protection Release Block (PKZ2)
Parts, Equipment and Tools
If you have supply voltages of 3x208 V~ and 3x230 V~, you will need to use the motor protection release
block ZM-32-PKZ2 [00342496-xx].
▪ Motor protection release block ZM-16-PKZ2 [00342495-xx] (default)
▪ Motor protection release block ZM-32-PKZ2 [00342496-xx] (US version)
Overview
NOTICE
Old version [00342494-xx]
This version of the protective motor switch has been discontinued and may need to be replaced
with the new version "protective motor switch PKE32/XTU-32 assembly 3-pin" [03098183-xx].
► Read also section "3.2.14 Replacing the Motor Circuit Breaker PKE32/XTU-32 [03098183-
xx]" [ ➙ 55] and the technical information "Product discontinuation of "Protective motor
switch PKZ2 basic machine, 3-pin" [00342494-xx]" [TI2015-03D02] [EN: TI2015-03E02].
Protective motor switch
1. Locking tab
2. Rotary switch
3. Trigger threshold for overcurrent (yellow setting disk)
4. Protective flap
5. Trigger threshold for short-circuit current (red setting
disk)
6. Motor protection release block
Service Work Conveyor
3.2.13 Replacing the Motor Protection Release Block (PKZ2) Electrical System
Service Manual SIPLACE SX1/SX2/DX1/DX2 FS02 53
Removal
► Switch off the machine, disconnect it from the power supply and secure it to prevent unauthorized
reactivation. Observe the instructions in section "1.2 Preparatory Work..." [ ➙ 13].
Checking the Power Supply for Absence of Voltage
► Before you start working, check the power supply for absence of voltage and observe the waiting
times!
► Turn the switch (1) anticlockwise to the position "0"
► Open the protective flap (1).
► Use a screwdriver to push the yellow locking tab (1)
upwards.
► Pull the motor protection release block (1) out.
Service Work Conveyor
Electrical System 3.2.13 Replacing the Motor Protection Release Block (PKZ2)
54 Service Manual SIPLACE SX1/SX2/DX1/DX2 FS02
Installation
Motor protection release block settings
Motor release
block
Yellow setting disk for
overcurent trigger
threshold
Red setting disk for
short-circuit current
trigger threshold
X-Series/SX4/DX4 for 3x208V~ +/-5%
(US version)
ZM-32-PKZ2 24 A 375 A
X-Series/SX4/DX4 for 3x400V~ +/-5% ZM-16-PKZ2 16 A 200 A
SX1/SX2/DX1/DX2 at 3x208V~ +/-5% ZM-16-PKZ2 16 A 130 A
SX1/SX2/DX1/DX2 at 3x400V~ +/-5% ZM-16-PKZ2 10 A 130 A
► Check the trigger threshold for overcurrent (yellow
setting disk (1)).
► Check the trigger threshold for short-circuit current
(red setting disk (2)).
► Insert the motor protection release block.
► Push the yellow locking tab downwards.
► Close the gray protective flap.
► Turn the rotary switch clockwise as far as the stop.