CARLO GAVAZZI RSBS Series Manual

CARLO GAVAZZI RSBS Series Manual

1-phase compressor soft starter

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RSBS
1-phase compressor soft starter
Description
The RSBS....V23C.. is a single phase soft starter for 1
phase compressors up to 32 Arms.
The RSBS can limit inrush currents to 45 AACrms (under
balanced conditions) and has a maximum ramp-up time of
600 ms. A special function (HP function) allows the RSBS to
start compressors, even when pressures are not balanced,
by allowing a maximum current of 80 AACrms. Following
the ramp-up, the semiconductors will be bypassed by the
internal electromechanical relay. The RSBS is rated for a
maximum of 10 starts per hour (evenly distributed).
Applications
Scroll compressors, piston compressors
Main features
Limitation of compressor starting current
Ramp-up time optimised to 600 ms
Anti-short cycling function with built-in delay between starts
Voltage dips/interruptions detection during bypass state
27/05/20
RSBS DS ENG
Benefits
Easy to use. No user adjustments required.
Space saving solution. Compact DIN or panel mount
versions available. Integrated start capacitor.
Integrated diagnostics. Detection for voltage dips and
interruptions. Detection of welded relay contacts.
Adjusts to load requirements. The built-in HP function
ensures that the compressor starts in < 1 second even
under high pressure difference during start.
Guided
model
selection.
selection tool to select the appropriate soft starter
model depending on the compressor brand/model.
http://gavazziautomation.com/nsc/HQ/EN/soft_starters.
Reduces light flicker. RSBS reduces the compressor
start current by >50% to reduce light flickering.
RSBS
Easy
to
use
online
1
Carlo Gavazzi Ltd.

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Summary of Contents for CARLO GAVAZZI RSBS Series

  • Page 1 Scroll compressors, piston compressors Main features • Limitation of compressor starting current • Ramp-up time optimised to 600 ms • Anti-short cycling function with built-in delay between starts • Voltage dips/interruptions detection during bypass state 27/05/20 RSBS DS ENG Carlo Gavazzi Ltd.
  • Page 2: Order Code

    Start capacitor size Part number 200 – 240 μF RSBS2332A2V23C24HP 100 – 140 μF RSBS2332A2V23C10HP 145 – 175 μF RSBS2332A2V23C17HP External RSBS2332A2V23C00HP For proper model selection refer to our online soft starter selector tool: http://www.gavazziautomation.com/nsc/HQ/EN/soft_starters 27/05/20 RSBS DS ENG Carlo Gavazzi Ltd.
  • Page 3: Further Reading

    Troubleshooting http://cga.pub/?686d1f guide 3D (.dwg) - http://cga.pub/?ada314 CAD drawings 2D (.dwg) - http://cga.pub/?e0d224 Step (.stp) - http://cga.pub/?f889f6 CARLO GAVAZZI compatible components Purpose Component name/code Notes External start capacitor kit STARTCAP-200UF-SMA For RSBS2332A2V23C00HP models Note: Use a start capacitor with rated voltage of 330 VAC or higher. Start capacitor must also have a 15kΩ (2W) bleed resistor.
  • Page 4 Sc: Connection to external start capacitor (only for C00 versions) Alarm relay (Changeover) Alarm relay 11, 12: Normally closed (NC) 11, 14: Normally open (NO) QR code Scan to link to troubleshooting guide. 27/05/20 RSBS DS ENG Carlo Gavazzi Ltd.
  • Page 5: Mode Of Operation

    RSBS Mode of operation The RSBS series of soft starters is designed for single phase compressors with a maximum start time of 1 second. Typical applications include scroll and piston compressors. Current limit algorithm The RSBS soft starter series works on a current limit algorithm. When control signal is applied via the On terminal, the RSBS start the ramp-up sequence.
  • Page 6 RSBS Features General data Material PA66 Assembly DIN or panel Touch protection IP20 Weight Approx. 450 g Overvoltage category Fig. 3 RSBS2332A2V23C00HP Fig. 4 RSBS2332A2V23C..HP 27/05/20 RSBS DS ENG Carlo Gavazzi Ltd.
  • Page 7: Power Supply

    <95% non condensing @ 40ºC Pollution degree Installation category Installation altitude 0 - 1000 m Vibration resistance 2 g / axis (2 - 100 Hz, IEC60068-2-6, EN50155, EN61373) Impact resistance 15/11 g/ms (EN50155, EN61373) EU RoHS compliant 27/05/20 RSBS DS ENG Carlo Gavazzi Ltd.
  • Page 8 • Performance Criteria 3 (PC3): Temporary loss of function is allowed, provided the function can be restored by manual operation of the controls. 27/05/20 RSBS DS ENG Carlo Gavazzi Ltd.
  • Page 9: Auxiliary Relays

    Electromechanical relay Number of contacts Type of contacts Changeover: Normally closed (NC), Normally open (NO) Type of current AC / DC Rated operational current 3 Arms @ 250 VAC, 3 Arms @ 30 VDC 27/05/20 RSBS DS ENG Carlo Gavazzi Ltd.
  • Page 10: Connection Diagrams

    L / L1 Mains supply connection N / L2 Supply neutral connection (L2 connection for U.S. applications) Control input signal (start signal) Connection to compressor start winding (S) Connection to external start capacitor 27/05/20 RSBS DS ENG Carlo Gavazzi Ltd.
  • Page 11: Wiring Diagrams

    Flexible (solid or stranded) 0.2 – 1.5 mm , AWG 30 - 12 Terminal screws Maximum tightening torque 0.5 Nm (4.5 lb-in) Stripping length 7.0 mm - 8.0 mm Note: Use 75ºC Copper (Cu) conductors 27/05/20 RSBS DS ENG Carlo Gavazzi Ltd.
  • Page 12: Troubleshooting

    Flashing sequence during recovery from alarm When the alarm can self-recover, the flashing sequence of the red LED will be interleaved with a 6 s ON-OFF-ON flashing sequence and then the flashing sequence will repeat (see diagram below). 27/05/20 RSBS DS ENG Carlo Gavazzi Ltd.
  • Page 13 • Check compressor windings resistance to check if motor is damaged. Troubleshooting • Check for any blockage in the system. Measured current (Arms) Time to trip (s) 33.6 35.2 38.4 41.6 ≥ 44.8 0.05 27/05/20 RSBS DS ENG Carlo Gavazzi Ltd.
  • Page 14 Action to recover alarm The alarm will self-recover after the recovery period. • Check that there is proper ventilation around RSBS. Troubleshooting • Ensure that the vents of RSBS are not obstructed. 27/05/20 RSBS DS ENG Carlo Gavazzi Ltd.
  • Page 15 (Since the aux- iliary winding will remain connected to L and N through the main relay and run capacitor). • Replace RSBS and contact your local Carlo Gavazzi representative. Troubleshooting •...
  • Page 16: Installation

    Provide sufficient air circulation space for cooling as shown in the examples below. Do not obstruct the RSBS vents. 5 cm (1.97”) 5 cm 5 cm (1.97”) (1.97”) Front view 5 cm (1.97”) 5 cm 5 cm (1.97”) (1.97”) 5 cm (1.97”) Top view 27/05/20 RSBS DS ENG Carlo Gavazzi Ltd.
  • Page 17: Short Circuit Protection

    Protection co-ordination Type 1 according to UL 60947-4-2 Prospective short Part No. circuit current Max fuse size [A] Class Article no. [kArms] FLSR45 RSBS2332A2V23C..HP (manufacturer: Littlefuse) COPYRIGHT ©2019 Content subject to change. Download the PDF: www.gavazziautomation.com 27/05/20 RSBS DS ENG Carlo Gavazzi Ltd.

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