00194440-10_SM_X-Series_Customer_en.pdf - 第54页

Service Work Electrics and Control 3.1.3 Replacing the Motor Circuit Breaker with Motor Protection Tripping Unit 54 Service Manual SIPLACE X Series Overview Removal ► Switch off the machine, disconnec t it from the po we…

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Service Work
3.1.3 Replacing the Motor Circuit Breaker with Motor Protection Tripping Unit Electrics and Control
Service Manual SIPLACE X Series 53
3.1.3
3.1.3 Replacing the Motor Circuit Breaker with Motor Protection Tripping Unit
Replacing the Motor Circuit Breaker with Motor Protection Tripping Unit
Overview
► Select the required chapter:
▪ "3.1.3.1 Replacing the Motor Circuit Breaker PKZ2 [00342494-xx]" [ ➙ 53]
▪ "3.1.3.2 Replacing the Motor Protection Tripping Unit (PKZ 2)" [ ➙ 54]
▪ "3.1.3.3 Replacing the Motor Circuit Breaker PKE32/XTU-32 [03098183-xx]" [ ➙ 56]
3.1.3.1
3.1.3.1 Replacing the Motor Circuit Breaker PKZ2 [00342494-xx]
Replacing the Motor Circuit Breaker PKZ2 [00342494-xx]
Parts, equipment and tools
▪ Motor circuit breaker PKZ2, basic device 3 pin. [00342494-xx]
A motor protection tripping unit belongs to this:
– Motor protection tripping unit ZM-32-PKZ2 (US version) [00342496-xx]
– Motor protection tripping unit ZM-16-PKZ2 (all except US) [00342495-xx]
1. Motor circuit breaker – old version with motor protec-
tion tripping unit
2. Motor circuit breaker – new version without motor
protection tripping unit
NOTICE
Old version [00342494-xx]
This version of the motor circuit breaker is obsolete and may need to be replaced with the new
version "Motor circuit breaker PKE32/XTU-32 assembly 3-pin" [03098183-xx].
► Please also read section "3.1.3.3 Replacing the Motor Circuit Breaker PKE32/XTU-32
[03098183-xx]" [ ➙ 56].
NOTICE
Motor protection tripping unit
The corresponding motor protection tripping unit belongs to the motor circuit breaker.
► For details about replacing the motor protection tripping unit, refer to section "3.1.3.2 Re-
placing the Motor Protection Tripping Unit (PKZ 2)" [ ➙ 54]. Pay particular attention to the
correct settings.
Service Work
Electrics and Control 3.1.3 Replacing the Motor Circuit Breaker with Motor Protection Tripping Unit
54 Service Manual SIPLACE X Series
Overview
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..." [ ➙ 15].
► Unplug all connections to the motor circuit-breaker. You may want to mark their positions, to make
clear assignment easier later on.
Installation
► Follow the removal instructions in reverse order for installation.
3.1.3.2
3.1.3.2 Replacing the Motor Protection Tripping Unit (PKZ 2)
Replacing the Motor Protection Tripping Unit (PKZ 2)
Parts, Equipment and Tools
If you have supply voltages of 3x208 V~ and 3x230 V~, you will need to use the motor protection tripping
unit ZM-32-PKZ2 [00342496-xx].
▪ Motor protection tripping unit ZM-16-PKZ2 [00342495-xx] (default)
▪ Motor protection tripping unit ZM-32-PKZ2 [00342496-xx] (US version)
Motor circuit breaker and main switch (using example of
US version)
1. Motor circuit breaker
2. Main switch (US version only)
In non-US versions, the motor circuit breaker also serves
as the main switch.
► Remove the rod which connects the motor circuit
breaker (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 circuit breaker off the rail.
Service Work
3.1.3 Replacing the Motor Circuit Breaker with Motor Protection Tripping Unit Electrics and Control
Service Manual SIPLACE X Series 55
Overview
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..." [ ➙ 15].
Motor circuit breaker
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 tripping unit
► 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.