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MAKING MODERN LIVING POSSIBLEOOperating InstructionsVLTp Soft Starter - MCD500

3.2 Dimensions and Weights177HA514.10MModel A mm(inches)B mm(inches)C mm(inches)D mm(inches)E mm(inches)Weight kg(lbs)MCD5-0021B295 (11.6) 278(

4 Electrical Installation4.1 Electrical Installation4.1.1 Control WiringThe soft starter can be controlled in three ways:••using the buttons on the LC

4.1.3 Remote InputsThe MCD 500 has three fixed inputs for remote control. These inputs should be controlled by contacts rated for low voltage, lowcurr

4.1.6 Power TerminationsUse only copper stranded or solid conductors, rated for 75r C.NNOTESome units are aluminium bus bars. When connecting powerter

4.1.7 Motor ConnectionMCD 500 soft starters can be connected to the motor in-lineor inside delta (also called three-wire and six-wireconnection). The

4.2.3 In-line Installation, Externally BypassedNon-bypassed models have dedicated bypass terminals, which allow the soft starter to continue providing

4.3.1 Inside Delta Installation, Internally BypassedKM1 Main contactorF1 Fuses (optional)4.3.2 Inside Delta Installation, Non-bypassed177HA500.11M36/T

4.3.3 Inside Delta Installation, Externally BypassedNon-bypassed models have dedicated bypass terminals, which allow the MCD 500 to continue providing

4.4.1 In-line Connection (Bypassed)NNOTEModels MCD5-0021B - MCD5-0215B are internally bypassed.Models MCD5-0245C - MCD5-1600C require an externalbypas

4.4.3 In-line Connection (Non-bypassed/Continuous) AAC-53a3-30:50-6AC-53a4-20:50-6AC-53a4.5-30:50-6MCD5-0245C 245 A 195 A 171 AMCD5-0360C 360 A 303 A

CContents1 Safety51.1 Safety52 Introduction62.1.1 Feature List 62.1.2 Type Code 73 Installation83.1 Mechanical Installation83.2 Dimensions and Weights

4.4.5 Inside Delta Connection (Bypassed)NNOTEModels MCD5-0021B a MCD5-0215B are internally bypassed.Models MCD5-0245C a MCD5-1600C require an external

4.4.7 Inside Delta Connection (Non-bypassed/Continuous) AAC-53a3-30:50-6AC-53a4-20:50-6AC-53a4.5-30:50-6MCD5-0245C 368 A 293 A 257 AMCD5-0360C 540 A 4

4.5 Minimum and Maximum Current SettingsThe MCD 500's minimum and maximum full load current settings depend on the model: IIn-line Connection In

CCAUTIONPower factor correction capacitors must be connected to theinput side of the soft starter. Connecting power factorcorrection capacitors to the

4.10.2 Bussman Fuses - Square Body (170M)MModelSCR I2t (A2s)Supply Voltage(ื 440 VAC)Supply Voltage(ื 575 VAC)Supply Voltage(ื 690 VAC)MCD5-0021B 1150

* Two parallel connected fuses required per phase.4.10.4 Ferraz Fuses - HSJMModelSCR I2t (A2s)Supply Voltage(< 440 VAC)Supply Voltage(< 575 VAC)

4.10.5 Ferraz Fuses - North American Style (PSC 690)MModelSCR I2t (A2s)Supply Voltage< 440 VACSupply Voltage< 575 VACSupply Voltage< 690 VACM

4.10.6 UL Tested Fuses - Short Circuit RatingsMModel Nominal Rating (A) Short Circuit Rating 480V AC (kA) Short Circuit Rating 600V AC (kA) Fuse Ferra

4.11 Schematic Diagrams4.11.1 Internally Bypassed Models22216/T32/T113144/T2243334060508071718251116A6A5A45/L33/L215E1/L1+ 24 VDC + 542A31177HA425.101

4.11.2 Non-bypassed Models177HA426.11E6/T32/T14/T25/L33/L21/L1L3BL2BL1B222113***14243334060508071718251116A6A5A415+ + 542A3124 VDC 11Control supply (m

4.9 Power Factor Correction214.10 Fuses224.10.2 Bussman Fuses - Square Body (170M) 234.10.3 Bussman Fuses - British Style (BS88) 234.10.4 Ferraz Fuses

5 Application Examples5.1 Motor Overload ProtectionThe thermal model used for motor overload in the MCD 500has two components:••Motor windings: These

zero speed and at maximum speed. During each subsequentstart and stop, the starter dynamically adjusts its control toensure the motor's actual pe

NNOTEAAC Adaptive Acceleration Control will control the loadaccording to the programmed profile. Start current will varyaccording to the selected acce

010%20%30%40%50%TimeSpeed60%70%80%90%100%177HA510.1012431. Early deceleration2. Constant deceleration3. Late deceleration4. Stop time (Par. 1-10) TTab

The maximum available torque for jog is approximately 50%- 75% of motor full load torque (FLT) depending on themotor. Available jog torque in reverse

AApplication Typical Start CurrentGeneral & WaterAgitator 4.0 x FLCCentrifugal pump 3.5 x FLCCompressor (Screw, unloaded) 3.0 x FLCCompressor (Rec

5.8 Installation with Main ContactorThe MCD 500 is installed with a main contactor (AC3 rated). Control voltage must be supplied from the input side

5.9 Installation with Bypass ContactorThe MCD 500 is installed with a bypass contactor (AC1 rated). The bypass contactor is controlled by the MCD 500

5.10 Emergency Run OperationIn normal operation the MCD 500 is controlled via a remote two wire signal (terminals 17, 18).Emergency Run is controlled

5.11 Auxiliary Trip CircuitIn normal operation the MCD 500 is controlled via a remote two wire signal (terminals 17, 18).Input A (terminals 11, 16) i

6.4.2 Programmable Screen (S2) 446.4.3 Average Current (S3) 446.4.4 Current Monitoring Screen (S4) 446.4.5 Frequency Monitoring Screen (S5) 446.4.6 Mo

5.12 Soft BrakingFor high inertia loads the MCD 500 can be configured for soft braking.In this application the MCD 500 is employed with forward run an

NNOTEIf the MCD-500 trips on supply frequency (Par. 16-5Frequency) when the braking contactor KM2 opens, modifythe setting of Pars. 2-8 - 2-10.5.13 T

NNOTEContactors KM2 and KM3 must be mechanically interlocked.Parameter settings:•Par. 3-3 Input A Function•Select Motor Set Select - assigns Input A f

6 Operation6.1 Operation and LCP6.1.1 Operating ModesIn Hand On mode:••To soft start the motor, press [HHAND ON] on theLCP•To stop the motor, press [

11Four-line display for status and programming details.2Display control buttons: SStatus: Return to the status displaysQuick Menu: Open the Quick Menu

6.4 DisplaysThe LCP displays a wide range of performance informationabout the soft starter. Press the SSTATUS button to access thestatus display scree

6.4.8 Date and Time (S8)The date/time screen shows the current system date andtime (24 hour format). For details on setting the date andtime, seeSet D

7 ProgrammingYou can access the programming menus at any time,including while the soft starter is running. All changes takeeffect immediately.7.1 Acce

7.2 Quick Menu7.2.1 Quick SetupQuick setup provides access to commonly used parameters, allowing the user to configure the MCD 500 as required for the

7.2.2 Application SetupsThe application setups menu makes it easy to configure the MCD 500 for common applications. The MCD 500 selects theparameters

7.12 Restricted Parameters607.13 Protection Action617.14 Factory Parameters618 Tools628.1 Set Date and Time628.2 Load/Save Settings628.3 Reset Thermal

7.2.3 LoggingsThe Loggings menu allows the user to view performanceinformation in real-time graphs.••Current (%FLC)•Motor Temp (%)•Motor kW (%)•Motor

7.3.3 Parameter List11 Primary Mtr Set 4 Outputs7-11 Stop Time-21-1 Motor FLC 4-1 Relay A Function 7-12 Adaptv Ctrl Gain-21-2 Locked Rotor Time 4-2 Re

7.4 Primary Motor SettingsNNOTEDefault settings are marked with .The parameters in Primary Motors Settings configure the softstarter to match the co

11-11 Stop TimeRange: Function:0 secs* [0:00 - 4:00(min:secs)]Sets the time for soft stopping the motorusing timed voltage ramp or AdaptiveControl

22-4 UndercurrentRange: Function:20%* [0% -100%]Sets the trip point for undercurrent protection,as a percentage of motor full load current. Set toa

33-2 Comms in RemoteOption: Function:Selects whether the starter will accept Startand Stop commands from the serialcommunication network when in Remo

7.7 Outputs44-1 Relay A FunctionOption: Function:Selects the function of Relay A (normally open).Off Relay A is not usedMain ContactorThe relay clos

undercurrent or instantaneous overcurrent trip levels. Theflags can signal the situation to external equipment via oneof the programmable outputs. The

55-4 Auto-Stop TimeRange: Function:1 min* [00:01 -24:00(hrs:min)]Sets the time for the soft starter to auto-stop, in 24 hour clock format.CAUTIONTh

77-5 Initial Current-2Range: Function:350%* [100% -600% FLC]Sets the initial start current level for currentramp starting, as a percentage of motor

1 Safety1.1 SafetyWhen reading this manual you will come across differentsymbols that require special attention. The symbols used arethe following:NNO

7.11 Display88-1 LanguageOption: Function:Selects which language the LCP will useto display messages and feedback.EnglishChinese (ЁϜ)Spanish (Españ

88-5 User Screen - Bottom RightOption: Function:Mains Frequency The average frequency measured on threephases.Motor kW The motor's running power

115-4 Current CalibrationRange: Function:&DOLEUDWLRQ &XUUHQWVKRZQRQ0&'GLVSOD\&XUUHQWPHDVXUHGE\H[WHUQDOGHYLFHH

8 ToolsTo access Tools, open the Main Menu, scroll to Tools andpress OOK.8.1 Set Date and TimeTo set the date and time:1. Open the Tools Menu.2.Scrol

TTo use the protection simulation:1. Open the Main Menu.2. Scroll to Protection Sim and press OOK.3.Use the Ⴃ and Ⴍ buttons to select the protectionyo

TTo open the Trip Log:1. Open the Alarm Logs.2. Scroll to Trip Log and press OOK.3.Use the Ⴃ and Ⴍ buttons to select a trip to view, and press OOK to

9 TroubleshootingWhen a protection condition is detected, the MCD 500 willwrite this to the event log and may also trip or issue awarning. The soft st

DDisplay Possible cause/Suggested solutionHeatsink Overtemp Check if cooling fans are operating. If mounted in an enclosure, check if ventilation is a

DDisplay Possible cause/Suggested solutionMotor Thermistor The motor thermistor input has been enabled and:-The resistance at the thermistor input has

9.2 General FaultsThis table describes situations where the soft starter does not operate as expected but does not trip or give a warning.SSymptom Pro

2 IntroductionThe MCD 500 is an advanced digital soft start solution for motors from 7 kW to 800 kW. MCD 500 soft starters provide acomplete range of

SSymptom Probable CauseAAC adaptive acceleration control, DC brakeand Jog functions not working-These features are only available with in-line install

10 SpecificationsSupplyMains voltage (L1, L2, L3)MCD5-xxxx-T5 200 VAC - 525 VAC (s 10%)MCD5-xxxx-T7 380 VAC - 600 VAC (s 10%) (inside delta connection

Storage temperature - 25° C to + 60° COperating Altitude 0 - 1000 m, above 1000 m with deratingHumidity 5% to 95% Relative HumidityPollution degree Po

10.1.2 PC SoftwareMCD PC Software can be used in conjunction with a communications module to provide the following functionality fornetworks of up to

11 Bus Bar Adjustment Procedure (MCD5-0360C - MCD5-1600C)NNOTEMany electronic components are sensitive to staticelectricity. Voltages so low that they

1. Remove all wiring and links from the soft starter before dismantling the unit.2. Remove the unit cover (4 screws).3. Unscrew the main plastic and f

NNOTEIf moving the input bars, the CTs must also be reconfigured.1. Label the CTs L1, L2 and L3 (L1 is leftmost whenworking from the front of the star

www.danfoss.com/drives *MG17K302*175R0549 MG17K302 Rev. 2010–09–03

2.1.2 Type CodeMCD 5-- - -Current rating0021 = 21 A, AC53b 3-30:3300037 = 37 A, AC53b 3-30:3300043 = 43 A, AC53b 3-30:3300053 = 53 A, AC53b 3-30:33000

3 Installation3.1 Mechanical Installation1MCD5-0021B - MCD5-0245C: Allow 100 mm (3.94 inches) between soft starters.MCD5-0360C - MCD5-1600C: Allow 200