Chapter 3 – Operation
Page 3-2
TestEquity 115A-EX Temperature Chamber
Front Panel Switches and Lights
MAINS Switch/Breaker
The MAINS Switch/Breaker on the rear panel power entry module provides mains power
protection and switching for the entire chamber.
POWER Switch
The POWER Switch controls power to the entire chamber. The POWER Switch illuminates
when it is ON.
CONDITIONING Switch – ON Mode
The CONDITIONING Switch enables all chamber functions. When the CONDITIONING
Switch is OFF and the POWER Switch is ON, only the Temperature Controller and Limit
Controller is operational. When both the CONDITIONING and POWER Switches are ON, the
chamber’s temperature conditioning system will function to maintain the temperature set point.
The CONDITIONING Switch does NOT illuminate in any position.
CONDITIONING Switch – EVENT 1 Mode
When the CONDITIONING Switch is in the EVENT 1 position, you can enable and disable all
chamber functions through Event 1 (Digital Output 1) of the F4 Temperature Controller or the
Power button on the F4T Temperature Controller.
LIGHT Switch
The LIGHT Switch controls the workspace light. The LIGHT Switch illuminates when it is ON.
HEAT Light
The HEAT Light will illuminate when the Temperature Controller turns on the heater to
maintain the workspace temperature. The HEAT Light will cycle on/off as the workspace
temperature approaches and reaches the temperature set point.
COOL Light
The COOL Light will illuminate when the Temperature Controller turns on the cooling valve to
maintain the workspace temperature. The COOL Light will cycle on/off as the workspace
temperature approaches and reaches the temperature set point.
