Carrier 42C Series Product Data page 111

*d. For total electric heat, unit controls shall
include a sequenced heating and cooling
thermostat in lieu of the heating/cooling
thermostat and automatic
device.
e. For auxiliary electric heat, unit controls shall
include 2 additional automatic changeover
devices. A junction box and fuse shall be
factory-furnished and installed to protect the
motor and control circuit when electric
heaters are installed in a unit with a single
power source.
18. Fused or unfused disconnect switch shall be
changeover
provided for field installation. Switch shall be
suitable for single phase, 60 Hz service for 115,
208, 240 or 277 volts as specified on the
equipment schedule.
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