Precision Control Systems 930 - Manual (Page 3)

Model 930 ControlIR TM Instruction Manual Contents
Section page
INTRODUCTION
General Description 1
Standard Features 1
Optional Features 2
SAFETY 3
INSTALLATION
Mounting the System 4
Wiring Connections 5
Power Wiring Connections 6
Line Connections 6
Load Connections 6
Control Connections 6
Cooling Flow On/Off Relay Output 6
Cooling Flow Switch Interlock 7
Heater Over-Temperature Thermo-switch Interlock 7
Remoter Interlock Switch 7
Heater Open Switch Interlock 7
Remote Setpoint Input 8
Temperature Control Option Connections (Option Codes TCT & TCP) 9
OPERATING INSTRUCTIONS
Controls and Indicators 10
Main Disconnect Switch 10
Heater ON/OFF Switch 10
Cooling ON/OFF Switch 10
Heater On Indicator 10
Cooling On Indicator 10
Heater Over Temperature Indicator 10
Lamp-Out, OCT / SCR Indicator 10
Remote/Local Setpoint Switch 11
Local Setpoint Potentiometer 11
Load Volts Indicator (Option Code VM) 11
Temperature Control Option 12
Setup Summary 12
Theory of Operation 12
Principles of SCR Power Control 12
Principles of Phase Angle Control 12