Ohmart Vega W-4510, Technical Reference Hardware Manual

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Installation
W-4510 Weigh Scale Technical Reference Manual 35
Power
Use the certified interconnect drawings for power requirements.
CAUTION!
DO NOT APPLY POWER until a thorough check of all the wiring is
complete!
Connect the sensor part of the W-4510 to a voltage supply that is not at risk for inadvertent
turn off. The power supply should be clean and transient-free. For example, a good power
supply is a lighting panel. Apply power to the measuring assembly and console continuously.
This keeps the equipment warm and dry. Warm-up time from a cold start can take up to 24
hours.
Switch for CE compliance
For CE compliance, install a power line switch no more than one meter from the operator
control station.
Conduit
Conduit runs must be continuous and you must provide protection to prevent conduit
moisture condensation from dripping into any of the housings or junction boxes. Use sealant
in the conduit, or arrange the runs so that they are below the entries to the housings and use
weep holes where permitted.
You must use a conduit seal-off in the proximity of the housing when the location is in a
hazardous area. Requirements for the actual distance must be in accordance with local code.
If you use only one conduit hub, plug the other conduit hub to prevent the entry of dirt and
moisture.