Owner manual

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