INSTALLATION INSTRUCTIONS
Contents
1. INSTALLATION INSTRUCTIONS C 2350VFD VFD Sensor Mini Split Core Digital Output 3PZS c US LISTED Failure to follow these instructions will result in death or serious injury Hazard of electrical shock explosion and arc flash Follow ALL requirements in NFPA 70E for safe work practices and for Personal Protective Equipment USA and other appli cable local codes when installing this product Only qualified electrical personnel should install this product Read understand and follow all instructions thoroughly Install only on insulated conductors Lock out and tag out all power sources prior to installation Use properly rated voltage sensing instrument to determine no voltage is present C warnine Failure to follow these instructions could result in death or serious injury A Equipment monitored operated by this device may start with out warning Keep clear of apparatus at all times IMPORTANT WARNINGS Only qualified trade installers should install this product Automated equipment may start without warnng This product is not intended for life safety applications Do not install in hazardous or classified locations INSTALLATION Disconnect lock out and tag out all power supplies during installation 1 Determine mounting location for the sensor near the conductor to be monitored The sensor should be located AT LEAST 1 2 from any2. uninsulated conductor 2 Sensor features a flexible iris which allows the sensor to hang on the conductor if local codes permit A bracket is included for screw mounting or attaching to DIN rail For screw mounting drill two 3 32 pilot holes using the bracket as a template ensure no drill shavings are present in enclosure Attach bracket with screws provided 3 Clamp sensor around INSULATED CONDUCTOR ONLY 600VAC MAX to be monitored on LOAD side of drive 4 Snap the sensor into the mounting bracket 5 Wire the output of the sensor to a control panel digital input loop not to exceed 30VAC DC wetting voltage CALIBRATION No calibration is necessary Sensor will automatically detect belt loss on motors operated by variable speed drive after 10 seconds of operation above 50Hz OPTIONAL MANUAL SETUP To reset and restart calibration press hold button for 1 second LED will make 2 fast blinks Operate motor above 50Hz for 10 seconds To activate go no mode press hold button for 5 seconds LED will make 3 fast blinks WIRING EXAMPLES Install sensor on LOAD side of drive NOTE Device is NOT polarity sensitive INSULATED PRIMARY CONTROLLER AC CONDUCTOR 600VAC MAX a SINKING ALTERNATE CONTROLLER ARRANGEMENTS SOURCING PRODUCT APPLICATION LIMITATION Senva products are not designed for life or safety applications Senva products are not intended for use in critical applications such as nuclear faciliti
3. es human implantable device or life support Senva is not liable in whole or in part for any claims or damages arising from such uses The installer is responsible for all applicable codes This product must be installed in a suitable electrical enclosure S CNW senvainc com 1 866 660 8864 1 503 296 2529 16418 SW 72nd Avenue Portland Oregon 97224 DIMENSIONS TECH TIPS On low current loads wrap sensor multiple times to increase sensitivity CAUTION Do not exceed sensor maximum current The current detected by the sensor will increase 1X with each wrap To monitor loads greater than the current sensor maximum rating Use of 5A CT is NOT recommended Consult factory for extended range version OPERATION Troubleshooting Motor Current y Minimum frequency too Drive must ramp to 50Hz low min for sensor to alarm Sensor output does not change state Testing with ohm meter Solid state output may show A yields incorrect results approx 1 ohm or less RO ay Ensure control loop voltage Current Incorrect control wiring oiee No load OFF OHz Frequency 60Hz The C 2350 utilizes a proprietary sensing algorithm to detect belt loss on motors operated by variable frequency drives Part Number C 2350 Amperage Range 3 5 A on 135A 200A Max 15Hz minimum Output Type NO solid state FET Output Rating 1 0A 30VAC DC Max Temperature Rating 15 60 C Reliable operatio
4. n requires variable frequency drive to increase frequency to a minimum of 50Hz when load is lost Typical load status applications include Proof of flow Belt loss detection Coupling shear 600V RMS For use on insulated conductors only Use minimum 75 C insulated conductor Insulation Class Induced 20 60Hz proof of flow loss alarm at 50Hz 2 51 x 2 23 x 0 82 1 4 H with optional relay module 0 75 Sensor Power Frequency Range Dimensions LxWxH Sensor Aperture
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