TestEquity 123HS, Руководство по эксплуатации и обслуживанию

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Chapter 3 – Operation
Page 3-2 TestEquity 123HS Temperature/Humidity Chamber
Front Panel Switches and Lights
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, only the Temperature Controller and Limit Controller are operational. When the
CONDITIONING Switch is 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 Controller or the Power button
on the F4T 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.
HUMIDITY ENABLE Light
The Humidity mode is enabled through Event 2 on the F4 Controller or the Humidity button on
the F4T Controller. This should only be ON if you are performing a controlled humidity test
within the humidity range of the chamber (+10 ° C and +85 ° C). The HUMIDITY ENABLE light
will be illuminated, as long as the chamber temperature is 7 ° C and +90 ° C. The chamber
will cool in single-stage refrigeration mode.
If the Humidity mode is disabled, the chamber will cool in cascade refrigeration mode and there
will be no humidity control.