Saftronics SH6 Series Manual

Heater controller
Saftronics SH6 Manual
Table of Contents
loading

Summary of Contents for Saftronics SH6 Series

  • Page 1 Saftronics SH6 Manual...
  • Page 2: Table Of Contents

    SH6- HEATER CONTROLLER SERIES PUBLICATION PUB2-550-SH1 EFFECTIVE JULY 2003 SH6 - HEATER SERIES SECTION 1 DESCRIPTION PAGE 1 FEATURES PAGE 1 CONFIGURATION PAGE 1 TO 4 TECHNICAL DATA PAGE 4 PROTECTIVE MEASURES PAGE 5 TO 6 INDICATORS PAGE 6 SECTION 2 MECHANICAL LAYOUT AND MOUNTING PAGE 7 UNIT DIMENSIONS...
  • Page 3: Description

    VOLTAGE RAMP MODE VARIABLE VOLTAGE CONTROL Each controller contains 6 x SCR's in the power circuit. The power circuit is controlled by means of a Saftronics PC550 series control card. Saftronics solid-state controllers are constructed in a manner, which permits rapid removal, and replacement of PC boards, SCR's, control fuses, etc.
  • Page 4: Technical Data

    SH6- HEATER CONTROLLER SERIES TABLE 1.1 380v SH6 SERIES TYPE LOAD LOAD (NOMINAL) LOAD SIZE POWER POWER LINE CURRENT (380 V) (525 V) VOLTAGE SH6 – 100 69 kW 90 kW 380V / 525V 100 Amps SH6 – 150 100 kW...
  • Page 5 SH6- HEATER CONTROLLER SERIES 1.3.1 SH6 INPUT DATA NOTE: The stack input voltage and the control circuit supply must be synchronised i.e. R to R, S to S, T to T!! STACK INPUT: Voltage Type 3 Phase Input SCR Voltage Rating line-line Voltage (min) Type SH6-XX-3...
  • Page 6: Protective Measures

    SH6- HEATER CONTROLLER SERIES Type SH6 - 150 150A Max. Cont. Current Type SH6 - 200 200A Max. Cont. Current Type SH6 - 300 300A Max. Cont. Current Type SH6 - 400 400A Max. Cont. Current Type SH6 - 600 600A Max.
  • Page 7: Indicators

    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.
  • Page 8: Mechanical Layout And Mounting

    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 DANGE R! LIVE BUSBARS FIG 2.1 - SH6 SERIES - SIZE B OVERALL DIMENSIONS...
  • Page 9 SH6- HEATER CONTROLLER SERIES FIG 2.2 - SH6 SERIES - SIZE C OVERALL DIMENSIONS...
  • Page 10: Access

    SH6- HEATER CONTROLLER SERIES FIG 2.3 - SH6 SERIES - SIZE D OVERALL DIMENSIONS FIG 2.4 - SH6 SERIES - SIZE E OVERALL DIMENSIONS ACCESS The SH6 is designed to allow easy access to major components for easy maintenance. WARNING: The unit contains non-insulated HIGH VOLTAGE points.
  • Page 11: Cooling

    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 LIFT ON COVER DANGER! LIVE BUSBARS DANGER! LIVE BUSBARS FIG 2.5 COOLING...
  • Page 12: Connections

    SH6- HEATER CONTROLLER SERIES The SH6 heater controller must be provided with a free air supply, i.e. Mount the unit in a ventilated space of at least ten cubic meters! If this space is unavailable see Sect. 2.3.3 (mounting in an enclosure). 100mm of uninterrupted air above and below the drive must be left to ensure adequate cooling.
  • Page 13 SH6- HEATER CONTROLLER SERIES FIG 3.2 - SIZE C CONNECTION LAYOUT FIG 3.3 - SIZE D CONNECTION LAYOUT...
  • Page 14 SH6- HEATER CONTROLLER SERIES FIG 3.4 - SIZE E CONNECTION LAYOUT PC550 CONTROL TERMINALS...
  • Page 15: Pc550 Control Terminals

    SH6- HEATER CONTROLLER SERIES FIG 3.5 - PC550 CONTROL TERMINALS...
  • Page 16: Fuse Ratings

    SH6- HEATER CONTROLLER SERIES L1,L2,L3 The 3 phase supply to the PC550/7 control card. Care must be taken since the rotation order of the phases is critical. (Internal connection). CT1,CT2,CT3 CT connections used for current control. (OPTIONAL). Tacho Negative – (Ground) Tacho Feedback Positive + MIN SPD Potentiometer Negative, 0 volt...
  • Page 17: Power Connections

    SH6- HEATER CONTROLLER SERIES 3.2.1 CONTROL FUSES The 3 phase supply to the PC550 control card is fused by means of three 2A slow-blow fuses. They are mounted separately from the PC550 control card. Control supply fuses for drives up to the SH6-30 are not supplied as standard.
  • Page 18: Start Up Instructions

    SH6- HEATER CONTROLLER SERIES FIG 3.6 - SH6 POWER CONNECTIONS Figure 3.6 shows a typical power connection diagram. input terminals R,S and T are supplied with a 3 phase, fused supply. The load is connected to U, V and W. The FAN input requires a 220V aux supply to be connected to ensure adequate cooling of the stack.
  • Page 19: Start Up Procedure

    SH6- HEATER CONTROLLER SERIES 4.1.1 SH6-100-X THROUGH SH6-800-X Check that the switches and potentiometers on the PC550/7 series control card are set as given in Table 4.1 for the specific heater controller. SWITCHES POSITION SW1-1 ON –2 OFF 0-10Vdc input Control Reference SW1-1 OFF –2 ON 4-20mA input...
  • Page 20 SH6- HEATER CONTROLLER SERIES Before turning on power to the drive confirm that the voltage rating of the drive is the same as that of the 3 phase input supply. SH6-XX-3 380V SUPPLY SH6-XX-5 525V SUPPLY Check the LK1 on PC550 is set to the correct input voltage. If there are any problems during start up refer to Section 5 - Trouble Shooting, for assistance.
  • Page 21 SH6- HEATER CONTROLLER SERIES Check DIP Switch selected is installed and is the correct value. Note failure to do this can result in damage to the controller. Set REF INP to ZERO Apply power to the drive. Check POWER ON LED and PHASE ROT LED on PC550 are ON.
  • Page 22: Trouble Shooting

    SH6- HEATER CONTROLLER SERIES TROUBLE SHOOTING The Saftronics SH6 range of Heater Controllers are thoroughly checked mechanically and electrically before leaving the factory. Therefore, if the system is correctly connected and the start up procedures are carefully followed there should be no problems.
  • Page 23 SH6- HEATER CONTROLLER SERIES TROUBLE SHOOTING CONDITIONS AND POSSIBLE REASON PROPOSED CHECKS PROBLEM ELIMINATION SYMPTOMS THERE IS NO AC POWER ON CHECK EXTERNAL WIRING AND MEASURE INCOMING VOLTAGES TERMINALS R, S & T FUSES POWER ON BLOWN F1, F2 OR F3 OR BLOWN ISOLATE DRIVE, CHECK THE POWER ON LED ON REPLACE THE FUSES...
  • Page 24 Other Products offered By Saftronics: Saftronics Drives LV/ MV Frequency Inverters LV/MV Soft Starters DC Drives Induction and LED Lighting Semiconductors (IGBT’s, Thyristors) Strato Starters for slip ring motors Crane Drives Heater Control Transducers ATS/DTS Load Monitors Tachos and Encoders...

This manual is also suitable for:

Sh6-100Sh6-150Sh6-200Sh6-300Sh6-400Sh6-600 ... Show all

Table of Contents