Veris Industries VST121(-4) Install - Manual

Z204232-0A PAGE 1 ©2012 Veris Industries USA 800.354.8556 or +1.503.598.4564 / [email protected] 05123
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TM
RELAYS INSTALLATION GUIDE
Track Mount 20 Amp SPDT Relay
Installer’s Specifications
Operating Temperature 0° to 60°C (32° to 140°F)
Operating Humidity 10-90% RH, non-condensing
Relay Status LED ON=energized
Auxiliary Supply for HOA 24VAC/DC (supplied from a Class 2 or LVLE source)*
Expected Relay Life Electrical (@ rated current) 100,000 cycles;
Mechanical (unpowered) 10,000,000 cycles
Terminal Block Torque 0.5 to 3.5 in-lb (0.68 to 4.75 N-m)
Insulation Class 600VAC RMS (coil to contact); 120VAC RMS (terminal to surface)
Agency Approvals UL508 open device listing; Installation Category III, pollution degree 2
*Class 2 source: A source that provides a Class 2 power supply as defined by the NEC, NFPA70.
LVLE: Low voltage limited energy, not capable of providing more than 30VAC/42.4VDC, 8A or
100VA
VST120(-4), VST121(-4) VST120(-4), VST121(-4)
NOTICE
• This product is not intended for life or safety applications.
• Do not install this product in hazardous or classified locations.
• The installer is responsible for conformance to all applicable codes.
• Mount this product inside a suitable fire and electrical enclosure.
HAZARD OF ELECTRIC SHOCK, EXPLOSION, OR ARC FLASH
• Follow safe electrical work practices. See NFPA 70E in the USA, or applicable local codes.
• This equipment must only be installed and serviced by qualified electrical personnel.
• Read, understand and follow the instructions before installing this product.
• Turn off all power supplying equipment before working on or inside the equipment.
• Use a properly rated voltage sensing device to confirm power is off.
DO NOT DEPEND ON THIS PRODUCT FOR VOLTAGE INDICATION
Failure to follow these instructions will result in death or serious injury.
DANGER
SNAP
SNAP
VSTxx: 2.75” (70 mm)
VSTxx-4: 4” (102 mm)
INSTALLATION
Disconnect and lock out all power sources before beginning the
installation.
1. Snap the VST into a mounted
track of the appropriate size.
2. Connect the coil wires as shown. Use either 24 VAC/DC for the Auto Low Voltage
input or 120 VAC for the Auto High Voltage input. Do not use both the Auto Low
Voltage and Auto High Voltage inputs at the same time.
COMMON Input
COIL 24AC/DC Input
COIL120VAC Input
COMMON Contact
NO Contact
NC Contact
3. Connect the contact terminals to the load(s), as required.
4. If using a VST121 or VST121-4, set the HOA switch to the correct position for your
application, Hand, Auto or Off. If using the Hand position, connect 24 VAC/DC to
the AUX terminal to power the device.
COMMON Input
COIL 24AC/DC Input
COIL 120VAC Input
AUX 24VAC/DC Input
COMMON Contact
NO Contact
NC Contact
OFF AUTO HAND
5. Secure the enclosure and reconnect power.