Machine Manual - Production Tool Supply

Fryer Optional Chiller Instructions
Used on all optional high speed spindles and automatic gearbox
INSTALLATION: The chiller has been wired and tested at the factory. The reservoir is filled with ISO#32 spindle oil. At
installation check the level at the tank sight glass and top off as necessary. The ambient temperature to run the chiller must be
between 41°-104° Fahrenheit (5-40°Celsius). The working range of the chiller is between 77°-95° Fahrenheit (25-35° Celsius).
The factory preset is to run at 77° F. This is the optimal setting for most applications. The chiller must be located in a clean
dry area with good ventilation and level.
WIRING: The chiller is pre-wired at the factory. Incoming 3 phase power is applied at terminals R-S-T. Ground is connected
to E. Terminals 93 and 95 are fault contacts going back to the CNC control. Terminals 224 and 225 are the remote start inputs.
Do not turn the chiller off or on with the on switch on the chiller operator panel. This will bypass the remote on from the CNC
and cause an alarm on the CNC.
ADJUSTMENT: The display on the chiller normally shows the oil temperature. To adjust the preset temperature when the
refrigeration will cycle on press the left arrow button. The display will now show the preset value. This should be set at 25°
Celsius (77°Fahrenheit). Use the right and left arrow keys to adjust. Wait for 5 seconds and the display should revert back to
displaying the liquid temperature.
TROUBLESHOOTING:
1. Alarm on CNC control “Spindle chiller alarm”: Look at the chiller for any alarms. If the display is blank press the
ON button on the chiller. If there still is no display check the fuses in the CNC electrical cabinet (normally fuses D1-
D2_D3).
2. If there is an alarm displayed on the chiller,here is a brief listing:
AL-1 REV: Phase failure or out of phase, The is not three phase present or line is out of phase. Switch any two lines
at the terminal strip in the chiller R-S or T. Check the fuses in the CNC cabinet.
AL-2 PUMP: The pump motor is not functioning properly.
-Check that there is no obstruction in lines
-Reverse red and white wire of thermal relay 51P in chiller
-Replace pump
-Add recirculating oil to the reservoir
-Adjsut the oil pressure switch to .3kgf/cm2 under .5-.8cmHg
-Reset the thermal overload
AL-3 COMP: The compressor motor is not functioning properly.
-Reset the thermal overload
-Replace the compressor
AL-4 RA: Temperature probe of the room is not functioning properly
-Replace the RA room temperature probe
AL-5 RO: Temperature probe of oil is abnormal
-Replace the RO liquid temperature sensor
AL-6 OT: The cooling oil is overheating
-Shut down the coller and wait until the temperature drops to acceptable levels.
-Recharge Freon.
-Check level of oil
MAINTENANCE:
-Clean the filter net periodically as required.
-Replace oil as required and make sure there is no blockage in the lines.
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