13-20-604 Page 27
Reservoir Pressure Transducer
(Figure 4-1, page 24)
-
This transducer is connected to the coolant
system. Its signal is used to prevent loaded starts, monitor oil pressure, and to monitor the condition of
the separator.
Air Filter Vacuum Switch
(Figure 4-1, page 24)
-
This switch is used to monitor air filter condition and
alert the user if the filter requires service or replacement.
Machine damage will occur if compressor is repeatedly restarted after any one
of the shutdown modes stops operation of the unit. Find and correct the
malfunction before resuming operation.
Discharge Thermistor
(Figure 4-1, page 24)
-
This sensor is located directly in the compressor
discharge. Its signal is used to monitor compressor temperature and shut down the compressor if a
coolant problem is detected.
Reservoir Thermistor
(Figure 4-1, page 24)
-
This sensor is located in the reservoir/separator housing
and is used to monitor temperature and shut down the compressor if temperature problems occur at the
separator.
Emergency Stop Pushbutton -
This is a maintained pushbutton, and removes power from the controller
outputs regardless of controller status. It is located on the upper section of the control box door, next to
the keypad. This should be used for emergency purposes only - use the keypad [STOP/RESET] for
normal controlled stopping.
Automatic restarting or electrical shock can cause injury or death. Open and
lock main disconnect and any other circuits before servicing unit.
Power Supply –
This device changes the incoming AC supply voltage to 24 volts DC for use by all unit
control devices. For 575 volt AC units only, a control transformer is provided to supply 230-240 volts AC
input to the power supply. A secondary fuse is provided on the control transformer. Refer to adjacent
labeling for replacement information.
Fuse Blocks –
Two class CC fuse blocks provide line side protection for the power supply and control
transformer, as applicable.
Terminal Strip -
This provides connections for all 24 volt DC controlled devices not directly connected to
the “AirSmart” controller.
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 29 thru 33. For Wye Delta
and less starter 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. Less starter applications utilize a control relay for control of a remote mounted
motor starter (not provided with compressor package).
Summary of Contents for INTEGRA EFD99E
Page 11: ...13 20 604 Page 10 Figure 1 2 COMPRESSOR ILLUSTRATION 300EFD797 B Ref Drawing ...
Page 30: ...13 20 604 Page 29 Figure 4 3 WIRING DIAGRAM FULL VOLTAGE 308EDE46 A Ref Drawing Page 1 of 2 ...
Page 31: ...13 20 604 Page 30 308EDE46 A Ref Drawing Page 2 of 2 ...
Page 32: ...13 20 604 Page 31 Figure 4 4 WIRING DIAGRAM WYE DELTA 309EDE546 A Ref Drawing Page 1 of 2 ...
Page 33: ...13 20 604 Page 32 309EDE546 A Ref Drawing Page 2 of 2 ...
Page 34: ...13 20 604 Page 33 Figure 4 5 WIRING DIAGRAM LESS STARTER 310EDE546 A Ref Drawing Page 1 of 2 ...
Page 35: ...13 20 604 Page 34 310EDE546 A Ref Drawing Page 2 of 2 ...
Page 59: ......
