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20 

 

Figure 7 – Principles of Operation Diagram (Standard Units) 

 

 
1.

 

From process 

2.

 

To process 

3.

 

Cooling water in 

4.

 

Cooling water out 

5.

 

Pump 

6.

 

Tank 

7.

 

Level switch 

8.

 

Temperature sensor 

9.

 

Microprocessor control 

10.

 

Heat exchanger 

11.

 

Heating element 

12.

 

Overflow 

13.

 

Expansion tank 

14.

 

Solenoid valve for cooling 

15.

 

Connection, remote sensor (optional) 

16.

 

Fill 

17.

 

Check valve 

 

Содержание Oiltherm RO

Страница 1: ......

Страница 2: ......

Страница 3: ...ying Clock Time 5 Setting Clock Time 5 Displaying Day of the Week 5 Setting Day of the Week 5 Timer On Off 5 Display Status of Timer 5 Turning Timer On Off 5 Setting Start Time 6 Setting Timer Stop Time 6 Setting Timer Days for Automatic Start Stop 6 Deviation Alarm 6 Setting Deviation Alarm Temperature 7 Activating Deviation Alarm 7 Deactivating Deviation Alarm 7 Tank Temperature 7 Password Entry...

Страница 4: ...t Temperature 11 Setting Set Point Temperature 11 Adjusting Vacuum Vacuum Units Only 11 Step 1 Initiate a Vacuum Cool Down Sequence 11 Step 2 Adjust Vacuum Valve 11 Preventive Maintenance 12 Once a Week 12 Once a Month 12 Once a Year 12 General Troubleshooting 13 Drawings Charts 14 Figure 1 Pump Curve 60 Hz 14 Figure 2 Cooling Capacity 15 Figure 3 High Voltage Wiring Diagram 16 Figure 4 Low Voltag...

Страница 5: ...General Mandatory Action Wear Eye Protection Wear Protective Gloves Wear Ear Protection Disconnect Before Carrying Out Maintenance or Repair Connect an Earth Terminal to Ground Only qualified personnel should install start up and service this equipment When working on this equipment observe precautions in this manual as well as tags stickers and labels on the equipment WARNING Any use or misuse of...

Страница 6: ...ntrols or any other major component torn loose from its mounting point Record any signs of concealed damage and file a shipping damage claim immediately with the shipping company Most carriers require concealed damages be reported within 15 days of receipt of the equipment In addition notify our Customer Service Department and they will provide assistance with preparing and filing freight damage c...

Страница 7: ...e percentage of imbalance is then 452 442 x 100 452 2 2 This exceeds the maximum allowable of 2 There is a terminal block for main power connection to the main power source The main power source should be connected to the terminal block through an appropriate disconnect switch There is a separate lug in the main control panel for grounding the unit Check the electrical phase sequence at installati...

Страница 8: ...t is stops the status display and the last digital display on the right will display a dot WARNING Stopping the unit without cooling the oil in the reservoir can lead to potential user injury during servicing of the unit In order to allow the oil in the reservoir to cool automatically during shut down depress the Temperature Adjust button and the Password C button to initiate an automatic cool dow...

Страница 9: ...new time is set Displaying Day of the Week Press and release the Date Time button twice to display the internal clock timer day of the week The day of the week will display for 5 seconds If no other buttons are pressed for 5 seconds the display will return to the actual temperature Setting Day of the Week The day of the week is used for programming automatic start and stop times If the power to th...

Страница 10: ...f the display indicate the activation status of that day If there is a decimal in the first and third digits for the day automatic start stop is scheduled If there is there is a decimal in the second and third digits for the day automatic start stop is not scheduled To change the day of the week use the Increase and Decrease buttons Once the desired day is displayed use the On button to toggle the...

Страница 11: ...he Tank Temperature button shows the current tank temperature in the display Password Entry Pressing the Password Entry buttons will allow for secured access to the control program and will prevent unauthorized personnel from making changes The correct four letter password will be required to adjust temperatures or timer functions The password remains in memory even if the power is disconnected En...

Страница 12: ...ion will cool the unit to 122 F before stopping the pump To activate this function press the Temperature Adjust button release and then press the C button When activated the tank temperature displays with a C in front of it indicating the automatic cooling sequence is active This sequence will stop at any time if the Stop button is pressed Controller Control Fault Logic Alarm Condition Indication ...

Страница 13: ...cing will cause damage to components Check the phasing prior to applying power The proper sequence is ABC If the phasing is incorrect open the main power disconnect and switch two line leads on the main power terminal blocks or the unit mounted disconnect All electrical components are in phase at the factory Do not interchange any load leads that are from the unit contactors or the motor terminals...

Страница 14: ...haracteristics and quality limitations Table 1 Fill Water Chemistry Requirements Water Characteristic Quality Limitation Alkalinity HCO3 70 300 ppm Aluminum Al Less than 0 2 ppm Ammonium NH3 Less than 2 ppm Chlorides Cl Less than 300 ppm Electrical Conductivity 10 500µS cm Free aggressive Carbon Dioxide CO2 Less than 5 ppm Free Chlorine Cl2 Less than 1 PPM HCO3 SO4 2 Greater than 1 0 Hydrogen Sulf...

Страница 15: ... Enter Set Point Temperature To display the Set Point temperature press and release the Temperature Adjust button This will show the Set Point temperature in the display If no other buttons are pressed for 5 seconds the display will return to the actual temperature Setting Set Point Temperature To change the Set Point temperature press the Temperature Adjust button and release to display the curre...

Страница 16: ...the main power shut off check the condition of electrical connections at all contactors starters and controls Check for loose or frayed wires 5 Check the incoming voltage to make sure it is within 10 of the design voltage for the temperature control unit 6 Check the amp draws to each leg of the pump and heaters to confirm that they are drawing the proper current 7 Check the heat exchanger inlet st...

Страница 17: ...eads Process oil lines clogged Clean lines The unit does not heat Contactor defective Replace contactor Control board defective Replace control board Heating element defective Replace heating element Safety fuse defective Replace safety fuse Temperature sensor short or disconnected Replace or connect sensor The unit does not cool Cooling solenoid valve defective Replace solenoid valve Cooling heat...

Страница 18: ...14 Drawings Charts Figure 1 Pump Curve 60 Hz ...

Страница 19: ...15 Figure 2 Cooling Capacity ...

Страница 20: ...16 Figure 3 High Voltage Wiring Diagram ...

Страница 21: ...17 Figure 4 Low Voltage Wiring Diagram ...

Страница 22: ...18 Figure 5 Control Board Details ...

Страница 23: ...19 Figure 6 Heating Element Details ...

Страница 24: ... process 3 Cooling water in 4 Cooling water out 5 Pump 6 Tank 7 Level switch 8 Temperature sensor 9 Microprocessor control 10 Heat exchanger 11 Heating element 12 Overflow 13 Expansion tank 14 Solenoid valve for cooling 15 Connection remote sensor optional 16 Fill 17 Check valve ...

Страница 25: ... 8 Temperature sensor 9 Microprocessor control 10 Heat exchanger 11 Heating element 12 Overflow 13 Expansion tank 14 Solenoid valve for cooling 15 Connection remote sensor optional 16 Fill 17 Check valve 18 Negative pressure adjustment valve negative pressure units only 19 Negative pressure venture negative pressure units only 20 Drain negative pressure units only ...

Страница 26: ...Notes ...

Страница 27: ......

Страница 28: ...t Sales Customer Service Parts Department 847 966 2260 info thermalcare com 847 966 2260 847 966 9358 fax 847 966 2636 847 966 8560 847 966 9358 fax www thermalcare com info thermalcare com service thermalcare com tcparts thermalcare com RO IOM 00 ...

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