Precision Control Systems 915 - Manual (Page 2)

Contents
Introduction ..................................................................................................................................... 1
General Description .................................................................................................................... 1
Standard Features ........................................................................................................................ 1
Optional Features ........................................................................................................................ 2
Safety .............................................................................................................................................. 3
Installation....................................................................................................................................... 4
Mounting the System .................................................................................................................. 4
Wiring Connections .................................................................................................................... 5
Power Wiring Connections ..................................................................................................... 6
Control Connections ................................................................................................................... 6
Cooling Flow On/Off Relay Output ....................................................................................... 6
Cooling Flow Switch Interlock ............................................................................................... 6
Heater Over-Temperature Thermo-switch Interlock .............................................................. 6
Remote Interlock Switch ......................................................................................................... 7
Heater Open Switch Interlock ................................................................................................. 7
Remote Setpoint Input ............................................................................................................ 7
Temperature Control Option Connections (Option Codes TCT & TCP) ............................... 7
Operating Instructions ..................................................................................................................... 9
Controls and Indicators ............................................................................................................... 9
Main Disconnect Switch ......................................................................................................... 9
Heater ON/OFF Switch ........................................................................................................... 9
Cooling ON/OFF Switch ........................................................................................................ 9
Heater On Indicator ................................................................................................................. 9
Cooling On Indicator .............................................................................................................. 9
Heater Over Temperature Indicator ........................................................................................ 9
Lamp-Out Indicator .............................................................................................................. 10
Remote/Local Setpoint Switch ............................................................................................. 10
Local Setpoint Potentiometer ................................................................................................ 10
Load Volts Indicator (Option Code VM) .............................................................................. 10
Temperature Control Option ..................................................................................................... 11
Setup Summary ..................................................................................................................... 11
Contents