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OMEGA AIR RDT Series, Installation And Operating Manual

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OMEGA AIR RDT Series Installation And Operating Manual Download Page 14

14 
 

5.4.1 Electric scheme RDC 2 

 

 

The controller has 3 outputs (230 V), for compressor, fan and drain. The other outputs are for alarm. 
The alarm is triggered via opto triac, which can handle 600VAC/50mA. 

Controller can also be turned OFF/ON via In. Remote by changing the parameter 13 (Remote control) 
from  0  to  1.  When  the  circuit  is  connected,  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. 

 

 

 

 

 

Summary of Contents for RDT Series

Page 1: ...only by following the recommendations and conditions stated in the instructions For additional questions contact the manufacturer and inform him of the information on the data plate found on the front...

Page 2: ...maintenance is limited to a few checks and cleanings as shown in the continuation of this manual These instructions must always be present at the unit and be available for the entire operating life o...

Page 3: ...C 2 MODBUS COMMUNICATION 17 5 5 EXPANSION VALVES 18 5 6 TIMED CONDENSATE DRAIN 18 5 7 SAFETY FUNCTIONS 19 5 7 1 LOW PRESSURE SWITCH 19 5 7 1 SAFETY FUNCTIONS OF RDC 2 19 5 8 FILTER DEHYDRATOR 19 5 9 C...

Page 4: ...ully Correct data enables proper and efficient maintenance of the device selection of suitable spare parts and technical support 1 2 Information on the supplier Model of refrigeration air dryer Serial...

Page 5: ...ryers 1 4 Refrigeration air dryers Refrigeration air dryers are the best choice in all standard applications where pressure dew point 3 C suffices Examples of such applications are process air in the...

Page 6: ...at the dryer is vented and not under pressure this also includes the closest components of the installation in front and behind the dryer and that the dryer is not connected to an electrical source Do...

Page 7: ...eck and follow the local regulations for lifting and transporting heavy objects In the event of fire do not use extinguishing water on the dryer and nearby objects Wear suitable protective equipment e...

Page 8: ...1 Components 1 Heat exchanger 3in1 7 Switch 2 Condenser 8 Capillary tube 3 Compressor 9 Sensor for fan operation 4 Timed condensate drain 10 Filter dehydrator 5 Controller 6 Hot gas bypass valve Figu...

Page 9: ...BSP F 0 2 1 230 50 0 20 0 18 350 0 4 R134a 0 330 352 x 485 x 499 26 RDT 75 75 G 3 4 BSP F 0 2 1 230 50 230 60 0 40 0 25 350 0 6 R134a 0 380 352 x 485 x 499 27 RDT 100 100 G 3 4 BSP F 0 2 1 230 50 230...

Page 10: ...DP OPERATING PRESSURE bar 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 psi 29 44 58 72 87 100 115 130 145 160 174 189 203 218 232 COP 0 39 0 60 0 77 0 86 0 93 1 00 1 05 1 10 1 14 1 18 1 21 1 2 1 27 1 30 1 32...

Page 11: ...lower temperature than the input air Refrigeration circuit The refrigerant enters the compressor and then enters the condenser at high pressure where it transfers heat to the ambient air and condenses...

Page 12: ...he compressor cools condenses and changes the aggregate state from the gaseous to the liquid The condenser is a pipe in which the refrigerant is flowing and on which fins are placed The heat transfer...

Page 13: ...pear on the display The alarm automatically turns off when the dryer is restarted and is operating properly a Sensors used for regulation 1 Tdew Dew point temperature 2 Tcomp Compressor temperature 3...

Page 14: ...OFF ON via In Remote by changing the parameter 13 Remote control from 0 to 1 When the circuit is connected the controller goes to OFF state when the circuit is disconnected the controller is in ON sta...

Page 15: ...alue 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 va...

Page 16: ...eter 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 th...

Page 17: ...40022 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 c...

Page 18: ...adjusted without the load on the dryer Rotate the screw until the following value is reached Hot gas setting R134 a pressure 2 0 barg 0 1 bar 5 6 Timed condensate drain Condensate drain consists of tw...

Page 19: ...check the hot gas bypass valve Lt Low dew point temperature Check that the temperature sensor is correctly inserted into its position check the cooling system sealing charging check the hot gas bypass...

Page 20: ...o the interior components of the dryer the installation and use may result in injury or death Check the dryer for any visible damage after removing the packaging If the refrigeration air dryer is dama...

Page 21: ...vibration refers to the floor and pipes For maintenance and servicing provide sufficient space for uninhibited work around the unit 1 m The ventilation grilles of the device must not be covered for t...

Page 22: ...Pressure vessel 3 Condensate Separator 8 Filter 4 Pre filter min 5 micron 9 Condensate drain 5 Bypass air valve Type A installation is recommended when the compressor operates at a reduced interruptio...

Page 23: ...osition of the holes in the illustration is shown maximum size M8 The pipe connections for the compressed air in the front and back of the dryer must be fitted with suitable valves that allow the inde...

Page 24: ...e bypass air circuit is closed and that the dryer is insulated from the system Check and ensure that the condenser is clean free of impurities 10 2 Start up Connect the dryer to the power supply Conne...

Page 25: ...on the refrigeration air dryer turn it off and wait for at least 30 minutes for it to cool down Some components can reach high temperature during operation Avoid contact with these components until th...

Page 26: ...nsate was not drained from the dryer Check the electrical installation Dew point is too low the condensate is frozen and blocks the air flow The compressed air pressure is too low and the condensate i...

Page 27: ...1 2300921 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 C...

Page 28: ...or property resulting from improper use or inadequate maintenance of the device and is limited solely to production errors When claiming a warranty you must provide information from the identification...

Page 29: ...29 16 Maintenance notebooks MAINTENANCE TYPE DATE SIGNATURE NOTES First installation...

Page 30: ...30...

Page 31: ...31 17 Drawings of RDT refrigeration air dryers RDT 20 100...

Page 32: ...32 RDT 140 235...

Page 33: ...33 RDT 300 480...

Page 34: ...34 RDT 600 950...

Page 35: ...35 RDT 1150 1900...

Page 36: ...36 18 Electro schemes of RDT refrigeration air dryer RDT 20 180...

Page 37: ...37 RDT 235 600...

Page 38: ...38 RDT 750 1900...

Page 39: ...scription Compressed air refrigeration dryer Is in conformity with the following directives Pressure Equipment Directive PED 2014 68 EU Electromagnetic Compatibility Directive EMC 2004 108 EC EN 61000...

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