00197042-04_SM_X-Serie-S_Customer_EN.pdf - 第73页
3 Power supply 3.4 Power supply and transformer module (up to serial number Gxxx) Service Manual SIPLACE X-Serie S 06/2019 73 3.4.19 Replacing the motor protection switch PKZ2 NOTICE Old version [00342494-xx] This versio…
3 Power supply
3.4 Power supply and transformer module (up to serial number Gxxx)
72 Service Manual SIPLACE X-Serie S 06/2019
Removal
► Switch off the machine, disconnect it from the power supply and secure it to prevent
unauthorized reactivation.
1.2 "Preparatory work..." [}16]
► Before you start working, check the power supply for absence of voltage and observe the
waiting times!
► Unplug all connections to the main switch. You might like to mark their positions to make clear
assignment easier later on.
► Dismantle the shafton the main switchby pressing this together at the sides and pulling it off.
You will need to use this again on the new switch. This is reused on the new switch.
► Open the lock on the rail and remove the main switch. You may need to read the manufac-
turer's instructions provided.
Installation
► Follow the removal instructions in reverse order for installation. Also observe the following
instructions:
●
Fit the shaft from the old switch onto the new switch.
3.4.18 Replacing the Motor Circuit Breaker with Motor Protection Tripping Unit
Overview
Fig.73: Motor circuit breaker – old and new version
1. Motor protection switch - old version
with motor protection trip block (discon-
tinued)
2. Motor protection switch – new version
without motor protection trip block
► Select the required chapter:
●
3.4.19 "Replacing the motor protection switch PKZ2" [}73]
●
3.4.20 "Replacing the Motor Protection Release Block (PKZ2)" [}75]
●
3.4.21 "Replacing the motor protection switch PKE32/XTU-32" [}78]
3 Power supply
3.4 Power supply and transformer module (up to serial number Gxxx)
Service Manual SIPLACE X-Serie S 06/2019 73
3.4.19 Replacing the motor protection switch PKZ2
NOTICE
Old version [00342494-xx]
This version of the motor protection switch has been discontinued and may need to be re-
placed with the new version "motor protection switch PKE32/XTU-32 assembly 3-
pin" [03098183-xx].
► Read also section 3.4.21 "Replacing the motor protection switch PKE32/
XTU-32" [}78] and the technical information "Product discontinuation of "motor pro-
tection switch PKZ2 basic machine, 3-pin" [00342494-xx]" [TI2015-03D02] [EN:
TI2015-03E02].
NOTICE
Motor protection trip block
The corresponding motor protection trip block belongs to the motor protection switch.
► For details about replacing the motor protection trip block, refer to section 3.4.20 "Re-
placing the Motor Protection Release Block (PKZ2)" [}75]. Pay particular attention to
the correct settings.
Parts, equipment and tools
●
Motor protection switch PKZ2, basic device 3 pin [00342494-xx]
A motor protection trip block belongs to this:
– Motor protection trip block ZM-32-PKZ2 (US version) [00342496-xx]
– Motor protection trip block ZM-16-PKZ2 (all except US) [00342495-xx]
Overview
Fig.74: Motor protection switch and main switch (using
example of US version for the X-Series)
1. Motor protection switch
2. Main switch (US version only)
In non-US versions, the motor protection
switch also serves as the main switch.
3 Power supply
3.4 Power supply and transformer module (up to serial number Gxxx)
74 Service Manual SIPLACE X-Serie S 06/2019
Removal
► Switch off the machine, disconnect it from the power supply and secure it to prevent
unauthorized reactivation.
1.2 "Preparatory work..." [}16]
► Before you start working, check the power supply for absence of voltage and observe the
waiting times!
► Unplug all connections to the motor protection switch. You might like to mark their positions to
make clear assignment easier later on.
Fig.75: Motor protection switch
1. Motor protection switch PKZ2 basic
device 3 pin [00342494-xx]
(discontinued, not backwards compat-
ible)
2. Motor protection trip block A-PKZ2-A
[03078388-xx]
(discontinued, not backwards compat-
ible)
3. Motor protection trip block ZM-16-PKZ2
[00342495-xx]
or
Motor protection trip block ZM-32-PKZ2
[00342496-xx]
(discontinued, not backwards compat-
ible)
Fig.76: Dismantling the rod
► Remove the rod which connects the
motor protection switch(1) to the outer
main switch handle. To do this, press
the white plastic clips together(2) and
pull off the rod(3).
► Take the motor protection switch off the
rail.
Installation
► Follow the removal instructions in reverse order for installation. Also observe the following
instructions:
– Check the setting of the motor protection trip block (see 3.4.20 "Replacing the Motor Pro-
tection Release Block (PKZ2)" [}75]).