OMEGA AIR RDP 20-1900 Troubleshooting Manual Download | Manualshive

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Troubleshooting

Refrigeration Dryer Series RDP 20 - 1900

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Summary of Contents for RDP 20-1900

Page 1: ...Troubleshooting Refrigeration Dryer Series RDP 20 1900 ...

Page 2: ... circuit board is damaged replace the condensate drain Condensate is only drained when the TEST button is pressed condensate drain The capacitive sensor is dirty open the condensate separator and clean the plastic tube of the sensor The spout blows out air condensate drain The electromagnetic valve diaphragm is dirty open the drain and clean it The capacitive sensor is dirty open the condensate se...

Page 3: ... sensor bypass copper tubing Check if sensor is installed correctly placed in the insulated tubing on evaporator inlet adjust the placement of sensor if needed Bypass valve is not set properly unscrew the protection cap and tighten the nub in a clockwise fashion for 1 full turn 360 wait if dew point values are lowering if not repeat process There could be a leakage of coolant in the system of poss...

Page 4: ...ff when the dryer is restarted and is operating properly a Sensors used for regulation 1 Tdew Dew point temperature 2 Tcomp Compressor temperature 3 Tcond ali pcond Condensation temperature or pressure 4 20 mA b Regulated components 1 Fan ON OFF Fan symbol is displayed when in ON state 2 Compressor ON OFF Compressor symbol is displayed when in ON state 3 Drain ON OFF Drain symbol is displayed when...

Page 5: ...Controller can also be turned OFF ON via In Remote When the current flows the controller goes to OFF state when the circuit is disconnected the controller is in ON state See the attached scheme above For the MODBUS communication the twisted pair cable needs to be screwed to the A and B terminals To communicate with the PC an adapter is needed The address for the MODBUS communication is 1 ...

Page 6: ...ase value Decrease value 5 5 Min Compressor OFF time yes Increase value Decrease value 1 min 6 no Increase value Decrease value 2 7 no Increase value Decrease value 5 8 no Increase value Decrease value 0 9 no Increase value Decrease value 0 10 no Increase value Decrease value 0 11 no Increase value Decrease value 40 0 12 no Increase value Decrease value 39 5 13 Remote Control yes Increase value De...

Page 7: ...ou reach parameter number 5 You will see the default parameter value 1 min Change it to a desired value if necessary if not skip the next step Wait a couple of seconds the controller exits automatically Turn off the dryer and then turn it back on Every other parameter can be changed by similar procedure Differences are in parameter number and in parameter value To reset the parameters in the WORKI...

Page 8: ...0022 T_Dew R_ONLY T_Dew X 200 10 C 40023 T_Comp R_ONLY T_Comp X 200 10 C 40024 T_Cond R_ONLY T_Cond X 200 10 C 40025 P_Cond R_ONLY P_Cond X 10 Bar 40026 Digital Input status R_ONLY 0 contact open 1 contact close 40027 Buttons R_ONLY 0 no switches 1 SET 2 UP 3 SET UP 4 DOWN 5 SET DOWN 6 UP DOWN 7 SET UP DOWN 40028 Alarm CLn Status R_ONLY 0 no alarm 1 alarm active 40029 Alarm Lt Status R_ONLY 0 no a...

Page 9: ...ts the formation of ice in the evaporator of the dryer under any load conditions You can set it under no load conditions you have to close it to reduce the temperature on the controller to approximately 1 2 C To do this the cap has to be unscrewed and then the valve turned in direction of according to the image below Please give it some time 10 20 min before finishing the setting A good initial ro...

Page 10: ...300921 1 1 1 1 2300922 1 1 1 1 2300925 1 Fan regulation pressure switch 3001095 1 1 1 1 1 1 1 1 1 1 1 1 High pressure switch 3001154 1 1 1 1 1 1 1 Low pressure switch 3001111 1 1 1 1 1 1 1 RDC 2 Controller 2101826 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 Pressure transducer PP011 2101898 1 PT1000 probe PMT6 67 3000857 1 XEV 22 D Dixell Driver 2101897 1 NTC temperature probe 1m 4001120 3 3 3 3 3 3 3 3...

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