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SH6- HEATER CONTROLLER  SERIES 

 

 

 

 

2.2.1   ACCESSIBILITY – SIZE B,C,D and E.

 

 

 
 
 

Remove the PC550 Control Card by unscrewing the 4 screws (1) as 

indicated in Fig. 2.5.

 

 
 
 

 

WARNING:  ISOLATE 
BEFORE REMOVING 

COVER.

 

 
 
 
 
 
 

 
 
 

 

DO   NOT LI FT  ON   COVER

 

 
 

DANGER! LIVE  BUSBARS

 

DANGER! LIVE  BUSBARS

 

 
 

 

 

FIG 2.5

 

 

2.3  COOLING

 

 

 

 

NOTE: 

All SH6 specifications are subject to proper cooling!  The 

following cooling requirements MUST be met to 

ensure proper operation and high reliability.

 

 
 

 

 

2.3.1   POSITION

 

 

All SH6 drives are to be mounted vertically.   Any other 

rotation will impede the cooling of the drive.

 

 
 
 
 

 

2.3.2   FREE AIR

 

 
 
 
 

 

 

10 

Summary of Contents for SH6 Series

Page 1: ...Saftronics SH6 Manual ...

Page 2: ... MECHANICAL LAYOUT AND MOUNTING PAGE 7 2 1 UNIT DIMENSIONS PAGE 7 TO 8 2 2 ACCESS PAGE 8 TO 9 2 3 COOLING PAGE 10 SECTION 3 3 1 CONNECTIONS PC550 CONTROL TERMINALS PAGE 11 TO 12 PAGE 12 TO 13 3 2 FUSE RATINGS PAGE 13 TO 14 3 3 POWER CONNECTIONS PAGE 14 SECTION 4 START UP INSTRUCTIONS PAGE 15 4 1 SYSTEM SET UP PRIOR TO OPERATION PAGE 15 4 2 START UP PROCEDURE PAGE 15 TO 17 SECTION 5 TROUBLE SHOOTIN...

Page 3: ... card Saftronics solid state controllers are constructed in a manner which permits rapid removal and replacement of PC boards SCR s control fuses etc This ensures minimum downtime in the unlikely event of failure of one of these devices In the case of loss or insufficient cooling air resulting in overheating of the heat sink a thermal switch will open and shut down the controller thereby protectin...

Page 4: ...lers come in three configurations 1 2 1 KIT FORM CHASSIS for mounting into a customer s enclosure This consists of thyristor stack and PC550 control card only 1 2 2 KIT FORM ENCLOSED for mounting between an existing MCC and ELEMENTS This consists of thyristor stack and PC550 control card in an IP23 enclosure 1 2 3 STANDARD FORM This is a complete heater controller consisting of thyristor stack PC5...

Page 5: ...XX 5 580V Max Continuous RMS Voltage Line Frequency 50Hz 2Hz PC550 CONTROL SUPPLY Voltage Type 3 Phase Input Selectable 380 525V Link at 380V Position 340v 420v Link at 525V Position 470v 580v Line Current Less that 25mA Line Frequency 50Hz 2Hz FAN SUPPLY Type SH6 100 to SH6 800 AC220V 50Hz 0 5A 1 3 2 SH6 OUTPUT DATA Unless otherwise specified the currents listed below are maximum at a maximum amb...

Page 6: ...nt 110 Max Continuous Current Max Different ratings available on request DERATING At higher temperature than 40 Deg C 1 5 per 1 Deg C At higher altitude than 1500m 1 per 100m 1 4 PROTECTIVE MEASURES In order to ensure high system reliability protective measures have been taken which protect both the controller and the load NOTE For complete protection of the SH6 heater controller high speed input ...

Page 7: ... of an RC network to ensure that their dv dt ratio is not exceeded LINE IMPEDANCE For increased protection against noise and overvoltages as well as for short circuit protection it is recommended that AC line reactors are used Consult Saftronics in this regards ISOLATION The control circuits are electrically isolated from the power circuits 1 5 INDICATORS There are 4 LED indicators on the PC550 7 ...

Page 8: ...ND MOUNTING 2 1 UNIT DIMENSIONS The complete range of SH6 soft starters are divided into 4 physical sizes Namely Size B C D and E WARNING ISOLATE BEFORE REMOVING COVER DO NOT LIFT ON COVER DANGER LIVE BUSBARS FIG 2 1 SH6 SERIES SIZE B OVERALL DIMENSIONS ...

Page 9: ...SH6 HEATER CONTROLLER SERIES 8 FIG 2 2 SH6 SERIES SIZE C OVERALL DIMENSIONS ...

Page 10: ...ned to allow easy access to major components for easy maintenance WARNING The unit contains non insulated HIGH VOLTAGE points MAKE SURE that all the power inputs are isolated before trying to access any internal point NOTE It is NOT recommended that the unit is customer serviced unless there is skilled and well trained personnel that can do the job ...

Page 11: ...VING COVER DO NOT LIFT ON COVER DANGER LIVE BUSBARS DANGER LIVE BUSBARS FIG 2 5 2 3 COOLING NOTE All SH6 specifications are subject to proper cooling The following cooling requirements MUST be met to ensure proper operation and high reliability 2 3 1 POSITION All SH6 drives are to be mounted vertically Any other rotation will impede the cooling of the drive 2 3 2 FREE AIR 10 ...

Page 12: ... ten cubic meters If this space is unavailable see Sect 2 3 3 mounting in an enclosure b 100mm of uninterrupted air above and below the drive must be left to ensure adequate cooling 3 CONNECTIONS Figures 3 1 to 3 4 show the physical positions of the control and power connections for the SH6 range of soft starters FIG 3 1 SIZE B CONNECTION LAYOUT 11 ...

Page 13: ...SH6 HEATER CONTROLLER SERIES FIG 3 2 SIZE C CONNECTION LAYOUT FIG 3 3 SIZE D CONNECTION LAYOUT 12 ...

Page 14: ...SH6 HEATER CONTROLLER SERIES FIG 3 4 SIZE E CONNECTION LAYOUT 3 1 PC550 CONTROL TERMINALS 13 ...

Page 15: ...SH6 HEATER CONTROLLER SERIES FIG 3 5 PC550 CONTROL TERMINALS 14 ...

Page 16: ...Negative 0 volt VOLT REF Potentiometer Wiper control Voltage 22V Positive Card voltage T4 12V Potentiometer Positive 12 Volt HOLD Starting Latch STRT Start input OT1 Over Temperature 1 T5 OT2 Over Temperature 2 RL2 COM Relay 2 Common RL2 N O Relay 2 Normally Open Contact T6 RL2 N C Relay 2 Normally Closed Contact RL3 COM Relay 3 Common RL3 N C Relay 3 Normally Closed Contact T7 RL3 N O Relay 3 Nor...

Page 17: ... not supplied as standard 3 2 2 MAIN FUSES For complete protection it is recommended that the system be protected by means of 3 high speed fuses connected to the input terminals R S and T The following table summarises the recommended value TYPE FUSE RATING SH6 100 125 AMP 660V SH6 150 200 AMP 660V SH6 200 250 AMP 660V SH6 300 315 AMP 660V SH6 400 400 AMP 660V SH6 600 630 AMP 660V SH6 800 800 AMP ...

Page 18: ... to be connected to ensure adequate cooling of the stack Failure to connect a FAN supply can cause damage to the drive The O T output is on overtemperature interlock which must be wired in series with the STOP circuit 4 START UP INSTRUCTIONS AND CALIBRATION PROCEDURE Don t apply power to the system yet NOTE Before continuing with this procedure make sure that the connections are in accordance to a...

Page 19: ...hms ON 10 Ohms SW3 Burden Resistor Selector Switches ON 33 Ohms ON 56 Ohms ON 100 Ohms SW4 Soft Starter Phase controller Select BOTH ON Phase control 1 ON 2 OFF Soft Starter SW5 Bypass Activate Relay BOTH ON Activated BOTH OFF Deactivated POTENTIOMETERS POSITION SH6 100 THRU 800 PHV 380v CCW 525v CW BYP TIME MID RANGE BIAS FACTORY SET MAX SPD FULLY CCW SPD STAB FULLY CCW GAIN FACTORY SET DECEL FUL...

Page 20: ...vide current feedback to the PC550 control card The burden resistor DIP Switches on the PC550 7 card is selected so that the current drawn by the load can be limited to a max of 100 of FLC See Table 4 1 Current Burdens Value 1 must be in parallel with Value 2 DIP SWITCH SETTINGS VALUE 1 VALUE 2 SH6 100 100 5W DIP SWITCH 1 SH6 150 56 5W DIP SWITCH 2 SH6 200 100 5W DIP SWITCH 1 56 5W DIP SWITCH 2 SH...

Page 21: ...0 is on Check that the drive can be stopped by pressing the stop button Check RUN LED on PC550 will extinguish Restart the drive Slowly increase REF INP Max 10V Adjust ACCEL pot to give desired ramp time Measure the current drawn by the load with a clip on ammeter Adjust MAX CURR pot clockwise until the desired current limit setting is reached Check that the elements are drawing desired current on...

Page 22: ...enable on site repairs SERIAL NO DESCRIPTION QTY APPLICABLE PCB 1 PC 550 CONTROL CARD 1 ALL UNITS DEVICES 1600 V 2 3 SH6 100 TO 300 3 3 SH6 400 TO 600 TRANFORMERS 4 CURRENT TX 2 SH6 100 UPWARDS CONTROL FUSES 5 2 AMP 660 V 10 SH6 100 UPWARDS MAIN FUSES 6 125 AMP 660V 3 SH6 100 7 200 AMP 660V 3 SH6 150 8 250 AMP 660V 3 SH6 200 9 315 AMP 660V 3 SH6 300 10 400 AMP 660V 3 SH6 400 11 630 AMP 660V 3 SH6 ...

Page 23: ...TWO INCOMING R S T PHASES START IS PRESSED RUN LED NOT LIT FAULTY PUSHBUTTON CHECK P B REPLACE P B STACK O TEMP OR EXT INTERLOCKS IN STOP CCT ARE OPEN CCT CHECK INTERLOCKS WAIT FOR STACK TO COOL OR RESET EXT INTERLOCKS FAULTY PC550 CHECK FOR 24VDC BETWEEN TERMINALS 14 AND 7 ON PC550 REPLACE PC550 CHECK VALUE OF BURDEN DIP SWITCH SELECTION WITH TABLE 4 1 USE CORRECT DIP SWITCH WITH CORRECTLY RATED ...

Page 24: ...TS Load Monitors Tachos and Encoders Trailing Cable Tester AC Motor Combo Saftronics Power Containerised DC Recitformers Copper Busbar Systems IGBT Rectifiers Saftronics Transformers Distribution and Power Transformers Saftronics Energy Static Synchronous Compensators Static VAR compensators PFC Correction Saftronics Induction Heating Induction Heating Induction Melting Please visit our Website ww...

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