00197042-04_SM_X-Serie-S_Customer_EN.pdf - 第76页

3 Power supply 3.4 Power supply and transformer module (up to serial number Gxxx) 76 Service Manual SIPLACE X-Serie S 06/2019 Removal ► Switch off the machine, disconnect it from the power supply and secure it to prevent…

3 Power supply

3.4 Power supply and transformer module (up to serial number Gxxx)

Service Manual SIPLACE X-Serie S 06/2019 75

3.4.20 Replacing the Motor Protection Release Block (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 cir-

cuit breaker PKZ2 basic machine, 3-pin" [00342494-xx]" [TI2015-03D02] [EN:

TI2015-03E02].

Parts, equipment and tools

If you have supply voltages of 3x208 V~ and 3x230 V~, you will need to use the motor protection

trip block ZM-32-PKZ2 [00342496-xx].

●

Motor protection trip block ZM-16-PKZ2 [00342495-xx] (default)

●

Motor protection trip block ZM-32-PKZ2 [00342496-xx] (US version)

Overview

Fig.77: Motor protection 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 trip block

3 Power supply

3.4 Power supply and transformer module (up to serial number Gxxx)

76 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!

Fig.78: Position "0"

► Turn the switch(1) anticlockwise to the

position"0"

Fig.79: Swing open

► Open the protective flap(1).

Fig.80: Locking tab

► Use a screwdriver to push the yellow

locking tab(1) upwards.

Fig.81: Motor protection trip block

► Pull the motor protection trip block(1)

out.

3 Power supply

3.4 Power supply and transformer module (up to serial number Gxxx)

Service Manual SIPLACE X-Serie S 06/2019 77

Installation

Motor protection trip block settings

Motor protec-

tion trip

block

Yellow setting disk

for overcurrent trig-

ger 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

Fig.82: Motor protection trip block – settings

► Check the trigger threshold for overcur-

rent (yellow setting disk(1)).

► Check the trigger threshold for short-

circuit current (red setting disk(2)).

► Insert the motor protection trip block.

► Push the yellow locking tab down-

wards.

► Close the gray protective flap.

► Turn the rotary switch clockwise as far

as the stop.