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13-25-600 Page 31
Control Transformer –
For 575 volt AC units, a control transformer is provided to supply 230 volts AC
input to the power supply. A secondary fuse is provided on the control transformer. Refer to adjacent
labeling for replacement information.
For 208-230/460 volt AC units, that can be converted using conversion kit 313EFC6005, a control
transformer is provided to supply 115-120 volts AC input to the power supply. Two primary and one
secondary fuse are provided, mounted on the transformer. Refer to adjacent labeling for fuse
replacement information.
Fuse Blocks –
Except for 230 volt single phase units, two class CC fuse blocks provide line side
protection for the power supply and control transformer.
Power Supply –
This device changes the incoming AC supply voltage, or transformer supply voltage, to
24 volts DC for use by all unit control devices.
Terminal Strip -
This provides connections for all 24 volt devices not contained within the enclosure.
Main Starter -
This starter is used to provide control and overload protection for the main drive motor.
Wiring diagrams for typical full voltage applications are illustrated on pages 35 thru 41. For Wye delta
applications, refer to the wiring diagram included in each control box enclosure.
Overload protection is provided for each motor on full voltage and Wye delta applications. The overloads
are adjustable and are factory set based on the motor nameplate amps and the instructions located inside
the control box door.
Changing Minimum Pressure/Check Valve Seals
Air/oil pressure will cause severe personal injury or death. Shut down
compressor, relieve system of all pressure, disconnect, lockout and tagout
power supply to the starter before removing valves, caps, plugs, fittings, bolts
and filters.
Содержание AirSmart Controller APEX5-15A
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