Danfoss Compressor Drive CD302, Instructions Manual

Page 1: ...t has been disconnected from mains Also make sure that other voltage inputs have been disconnected such as load sharing linkage of DC intermediate circuit Using CD 302 Com pressor Drives wait at least...

Page 2: ...and switch S202 Voltage mode Switch S201 switch S202 OFF U Voltage level 10 to 10 V scaleable Input resistance Ri approx 10 k Max voltage 20 V Current mode Switch S201 switch S202 ON I Current level...

Page 3: ...C dera ting of the frequency converter will become rele vant The service life of the frequency converter is reduced if derating for ambient temperature is not taken into account Mechanical dimensions...

Page 4: ...rth connection terminal 99 on decoupling plate with screws from the accessory bag Insert terminals 96 U 97 V 98 W and motor compressor cable to terminals labelled MOTOR Fasten screened cable to decoup...

Page 5: ...ent anti overload and lock rotor motor compressor protection see description in the application manual The frequency converter is protected against short circuits on compressor terminals U V W If a ma...

Page 6: ...mounted to the terminal To remove the cable from the terminal 1 Insert a screw driver in the square hole 2 Pull out the cable Basic Wiring Example 1 Mount terminals from the accessory bag to the fron...

Page 7: ...0BA025 17 91 L1 92 L2 93 L3 PE 88 89 50 10V OUT 53 A IN 54 A IN 55 COM A IN 0 4 20 mA 12 24V OUT 13 24V OUT 37 D IN 18 D IN 20 COM D IN 10Vdc 15mA 130 200mA U 96 V 97 W 98 PE 99 COM A OUT 39 A OUT 42...

Page 8: ...interrupt device If the interrupt device and the frequency converter are placed in the same installation panel you can use a regular cable instead of a protected one Electrical Installation EMC prote...

Page 9: ...filled See the para graph EMC test results Safety earth connection The frequency converter has a high leakage cur rent and must be earthed appropriately for safety reasons acording to EN 50178 The ear...

Page 10: ...4 20 mA 0 4 20 mA COM 68 69 4 5 0 10 V or 4 20 mA Open Loop input 0 10V between 53 55 to external Frequency converter CD302 Compressor Drive TM RS 485 Analog output Analog input 6 Incorporate securit...

Page 11: ...if the motor compressor remains in the coasted state 4 Then send Reset signal via Bus Digital I O or Reset key The test step is passed if the motor compressor gets operational again 5 The commissioni...

Page 12: ...iping oil return Reset start Power output from CD302 drive Yes No Check Alarm 14 15 30 31 32 38 Earth Fault Output side Short circuit Output side Motor phase missing Internal fault Check motor cable C...

Page 13: ...pass Or recycled Missing CD 302 back side Metal sheet Turn off power Reset Start 24V supply to terminal 37 direct wire external controls inserted Check Alarm continue Speed limit low Automatic restart...

Page 14: ...I No need to change any other parameter this is factory setting Quick setup The following lines describe the basic procedure to run the CD302 1 Connect the power supply to the terminals L1 L2 and L3...

Page 15: ...the keys to move the cursor OK is used for choosing a parameter marked by the cursor and for enabling the change of a para meter Local Control Keys for local control are found at the bottom of the con...

Page 16: ...Change from Open Loop factory set to Pro cess Loop Select Quick Menu Select Q3 PID Closed Loop Par 1 00 change to 3 Process Par 3 01 change to 71 bar Par 3 02 enter pressure sensor low range value fac...

Page 17: ...rameter will be ignored 0 61 Access to Main Menu w o Password Option Full access 0 Read only 1 No access 2 Function Select Full access 0 to disable the password defi ned in par 0 60 Main Menu Password...

Page 18: ...Minimum Reference unit matches the choice of configuration in par 1 00 Confi guration Mode for Speed closed loop 1 the unit selected in par 3 01 Reference Feedback Unit 3 03 Maximum Reference Enter th...

Page 19: ...y two phases it can be da maged by overheating Retaining the On setting is therefore strongly recommended This parameter cannot be adjusted while the motor is running Parameters Digital In Out Paramet...

Page 20: ...eded by the integrator to reach the same gain as the proportional gain 7 35 Process PID Differentiation Time Range 0 00 10 00 s 0 00s Function Enter the PID differentiation time The differen tiator do...

Page 21: ...54 Cut in pressure is set at 3 000 bar in parameter 13 12 0 Comparator value Cut out pressure is set 1 000 bar in parameter 13 12 1 Comparator value Anti short cycle by adjusting minimum dura tion bet...

Page 22: ...trolled by a switch connected to terminal 18 05 12 Terminal 27 Coast inverse Stop function coast inverse linked to safety line of the system HP LP switches 06 10 Terminal 53 Low Voltage 0 Minimum valu...

Page 23: ...rminal 54 Low Voltage 1V Minimum value in V for the pressure transmitter s range Depends on output from the feedback device Nor mally no changes are needed 06 21 Terminal 54 High Voltage 5V Maximum va...

Page 24: ...ref Feedb value 6 25 r w 12 Param Designation Param number Customer access Common parameters for all compressors Speed PID Feedback Source 7 00 Read Motor Feedb P1 02 PID Gain 7 02 Read 0 005 PID Inte...

Page 25: ...90 RPM 90 RPM 90 RPM Speed limit for stop function 1 81 Read 1800 1800 1500 1500 1500 1500 1500 Min reference 3 02 r w 2100 2100 1800 1800 1800 1800 1800 Max reference 3 03 r w 5400 5400 5400 5100 540...

Page 26: ...PM 90 RPM Speed limit for stop function 1 81 Read 1800 1800 1500 1500 Min reference 3 02 r w 2100 2100 1800 1800 Max reference 3 03 r w 5400 5400 5400 5100 Ramp down time running sec 3 42 r w 0 3 0 3...

Page 27: ...RPM Speed limit for stop function 1 81 Read 1800 1800 1500 1500 1500 1500 1500 Min reference 3 02 r w 2100 2100 1800 1800 1800 1800 1800 Max reference 3 03 r w 5400 5400 5400 5100 5400 5400 5100 Ramp...

Page 28: ...the right to alter its products without notice This also applies to products already on order provided that such alterations can be made without subsequential changes being necessary in specification...