Ametek SHZF2 SCR Series, Instruction, Operation And Maintenance Manual

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SHZF2/SHZF3 SCR Power Controller Table of Contents
Rev 2 Ametek HDR Power Systems iii
TABLE OF CONTENTS
Par. Title Page
ILLUSTRATIONS
Figure 3.1 Fan and Thermostat Connections
.................................................................................................. 8
Figure 3.2 Isolated/Non-Isolated Switches
...................................................................................................... 9
Figure 3.3 T1 Transformer Connections
........................................................................................................ 10
Figure 4.1 Control Panel
.................................................................................................................................. 11
Figure 4.2 Process Controller Input Connections
........................................................................................ 12
Figure 4.3 Remote Control with a Potentiometer
......................................................................................... 13
Figure 4.4 Auto/Man Control with Controller and Remote Potentiometer
................................................. 13
Figure 4.5 On/Off Control
................................................................................................................................ 14
Figure 4.6 Shutdown Control
.......................................................................................................................... 14
Figure 4.7 Unbalance Alarm Board
................................................................................................................ 16
Figure 4.8 Shorted SCR Alarm Board
............................................................................................................ 16
Figure 4.9 Unbalance Block Diagram
............................................................................................................. 17
Figure 6.1 AC Switch
....................................................................................................................................... 21
TABLES
Table 1.1 SHZF2 and SHZF3 Model Number Breakdown
............................................................................... 3
Table 1.2 General Specifications of SHZF2/SHZF3Models
............................................................................ 4
Table 3.1 Wire Size Information
........................................................................................................................ 7
Table 3.2 Transformer Voltage Wiring
........................................................................................................... 10
Table 3.3 Current Transformer Turns
............................................................................................................ 10
Table 5.1 Unbalance DIP Switch Settings
...................................................................................................... 19
Table 6.1 Variable-Time-Base Relationship (Example)
................................................................................ 21
Table 7.1 Troubleshooting Chart (Symptoms and Solutions)
..................................................................... 25
Table 7.2 Torque Specifications
..................................................................................................................... 25
Table 8.1 SHZF2 Spare Parts List
................................................................................................................... 28
Table 8.2 SHZF3 Spare Parts List
................................................................................................................... 29
Table 8.3 SHZF2/SHZF3 Drawing List
............................................................................................................ 30