3.3.10.2
Parts
Contactor SZ4 Di1
Designation
SIRIUS 3RT13/24 VDC, size S0
Suppressor diode for contactor SZ4/DL 24-70V
Item number 00341209-01 00342396-01
3.3.10.3 Removing contactor SZ4 DANGER Switch off the placement system and disconnect from the power 3 supply (see sections 3.3.1 and 3.3.2). 3 Fig. 3.3 - 14 Removing contactor SZ4 ? Remove the suppressor diode Di1 from contactor SZ4. ? Loosen the contactor clamping screw (1). ? Pull the terminal wires out one by one and identify with adhesive labels. ? Insert a screwdriver into the opening (2) in the plastic retainer and lift up slightly. ? Tilt the contactor down slightly and remove. 3.3.10.4 Fitting contactor SZ4 ? Place the contactor on the top of the top-hat rail and snap into place. ? Connect up the terminal wires. ? Fit the suppressor diode Di1. Student Guide HS-50 / HS-60 Advanced II 3 Power Supply 03/2003 Edition 43 ? Switch the placement system on and start it up, then measure the voltages as per the table in section 3.2.2.2 on page 3 - 12.
? Complete the servicing work as described in 3.3.3 on page 3 - 29.
3.3.11
3.3.11.1
Replacing miniature circuit-breaker F1 - F11
Tools and equipment – Set of slotted-head screwdrivers – Digital multimeter – HS-50 detailed circuit diagrams 3.3.11.2 Parts 3 Miniature circuit-breaker F1 F3 F4 F5, F6, F7, F9 F8 F10 F11 Type 5SX2/1-pole/4A-AC 5SX2/3-pole/4A-AC 5SX2/3-pole/32A-AC 5SX2/1-pole/10A-AC 5SX2/1-pole6A-AC 5SX2/1-pole/25A-AC 5SX2/1-pole/1A-AC Characteristic features C C D B C Item number 00307161-01 00302817-01 00341203-01 00341204-01 00341205-01 00341206-01 00310685-01 3.3.11.3 Removing the miniature circuit-breaker DANGER Switch off the placement system and disconnect from the power 3 supply (see sections 3.3.1 and 3.3.2). 44 03/2003 Edition Student Guide HS-50 / HS-60 Advanced II 3 Power Supply 3 Fig. 3.3 - 15 Removing the miniature circuit-breaker ? Loosen the clamping screw (1). ? Pull out the terminal wires. ? Use the screwdriver to press the hook (2) downwards and hold it in this position. ? Tilt the miniature circuit-breaker (3) upwards and remove. 3.3.11.4 Fitting the miniature circuit-breaker ? Check the type of miniature circuit-breaker against the table in section 3.3.10.2 on page 3 - 43. ? Attach the miniature circuit-breaker to the top of the top-hat rail. ? Press down on the miniature circuit-breaker so that it snaps in place. ? Check that it is firmly seated. ? Connect up the terminal wires. ? Switch the placement system on and start it up. ? Measure the voltages as per the table in section 3.2.2.2 on page 3 - 12. ? Complete the servicing work as described in 3.3.3 on page 3 - 29. Student Guide HS-50 / HS-60 Advanced II 3 Power Supply 03/2003 Edition 45
3.3.12
3.3.12.1
Replacing circuit-breaker MS3 - MS6 (00342491-01)
Tools and equipment
– Set of slotted-head screwdrivers – Self-adhesive labels – Digital multimeter – HS-50 detailed circuit diagrams
3.3.12.2 Parts MS3, MS4, MS5, MS6 circuit-breaker 3RV10/0.45 - 0.63 A, item number 00342491-01 3 3.3.12.3 Removing circuit-breaker MS3 - MS6 DANGER Switch off the placement system and disconnect from the power 3 supply (see sections 3.3.1 and 3.3.2). 3 Fig. 3.3 - 16 Removing the circuit-breaker 46 03/2003 Edition Student Guide HS-50 / HS-60 Advanced II 3 Power Supply ? Loosen the clamping screws (1). Pull the terminal wires out one by one and identify with adhe- sive labels.
? Press down on the lug (2) on the back of the circuit-breaker (3). ? Tilt the circuit-breaker (3) upwards slightly and remove.
3
3.3.12.4 Fitting circuit-breaker MS3 - MS6 3 Fig. 3.3 - 17 Fitting circuit-breaker MS3 - MS6 ? Set the thermal overload current on the dial (1) to 0.45 A. ? Place the circuit-breaker (2) on the top-hat rail and snap into place. ? Connect up the terminal wires. ? Switch the placement system on and start it up. ? Use the digital voltmeter to measure the 3 x 230 VAC supply at input terminals 1, 3, 5 and out- put terminals 2, 4 and 6. ? Complete the servicing work as described in 3.3.3 on page 3 - 29. 3 Student Guide HS-50 / HS-60 Advanced II 3 Power Supply 03/2003 Edition 47