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3-4
Making Electrical Connections
1. Provide a correctly sized and protected power supply to the unit.
2. If an electrical supply disconnect is not installed as a factory option, the
customer is responsible to properly size and install a suitable disconnect.
3. Refer to National Electric Code (NEC) 430-24-26 for proper feed conductor
and supply disconnect sizing.
4. Voltages must be within plus or minus ten percent (±10%) of the nameplate
rating.
5. Maintain a safe ground and disconnect the power supply before servicing
the unit.
A qualified electrician should make electrical connections and disconnect the
electricity when service calls are needed.
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These units are designed for three-phase voltage operation. Refer
to the unit nameplate for proper voltage and amperage
requirements, and make sure your electrical service conforms.
Check the unit nameplate for correct voltage and amperage
before making electrical connections!
!
CAUTION
• Locate disconnects in an easily accessible location.
Operators should not have to squeeze around the TDH-6 unit
to reach disconnects, especially in case of emergency.
• When running conduit whips to the TDH-6 unit, make sure
that whips are routed away from hot piping.
TDH-6 Series Hot Oil Large Temperature Control Units
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