prior to working with any electrical connections or components.
3.Observe proper wire colors while making electri- cal connections. Many electronic controls are polarity sensitive. Components damaged by improper electrical installation are not covered by warranty.
4.Provide overload protection and a disconnect means for equipment serviceability as required by local and state code.
5.Install heater controls, thermostats, or building management systems in accordance with the applicable manufacturers’ instructions.
6.Conduit should not be used as the earth ground.
NOTE: A grounding electrode conductor shall be used to connect the equipment grounding conductors, the equipment enclosures, and the grounded service conductor to the grounding electrode.
Field Wiring Connection
DANGER: SHOCK HAZARD
CAUTION: Label all wires prior to disconnection when servicing controls. Wiring errors can cause im- proper and dangerous operation. Verify proper operation after servicing.
Make sure electrical power to the heater is discon- nected to avoid potential serious injury or damage to components.
Fig. 19:
Fig. 18: Wiring Location
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