Chapter 4 – Temperature Controller
TestEquity TEC1 Thermoelectric Temperature Chamber
Page 4-5
Operations Page
The Operations Page provides access to menus for control tuning (PID) and controller alarms.
Operations page access from Home Page:
Press both the Up
¿
and Down
¯
keys for three
seconds.
[``Ai]
will appear in the upper display and
[oPEr]
will appear in the lower display.
!
CAUTION:
The EZ-Zone Temperature Controller “Alarm” function is NOT used in the
chamber and is NOT connected.
!
CAUTION:
The EZ-Zone Temperature Controller PID values have been properly
configured by TestEquity to match the chamber’s system requirements and to
perform optimally over a wide range of operating conditions. Improper
modifications to these values can result in erratic performance and unreliable
operation. Do not attempt to modify the PID values, unless you thoroughly
understand what you are doing. If there is any doubt, please call TestEquity
before proceeding. The correct values are documented in the “EZ-Zone
Temperature Controller Setup Parameters” section of this manual.
Setup Page
The Setup Page provides access to menus for configuring the controller hardware.
Setup Page access from Home Page:
Press both the Up
¿
and Down
¯
keys for six seconds.
[``Ai]
will appear in the upper display and
[`Set]
will appear in the lower display.
!
CAUTION:
The EZ-Zone Temperature Controller setup values have been properly
configured by TestEquity to match the chamber’s system requirements and to
perform optimally over a wide range of operating conditions. Improper
modifications to these values can result in erratic performance and unreliable
operation. Do not attempt to modify the setup values, unless you thoroughly
understand what you are doing. If there is any doubt, please call TestEquity
before proceeding. The correct values are documented in the “EZ-Zone
Temperature Controller Setup Parameters” section of this manual.
Factory Page
The Factory Page provides access to menus for controller diagnostics and calibration.
Factory Page access from Home Page:
Press both the Advance
‰
and Infinity
ˆ
keys for six
seconds.
!
CAUTION:
NEVER select “Factory Default” in the Diagnostic Menu. “Factory Defaults”
are NOT the TestEquity configuration parameters for this chamber. If you
select “Factory Defaults”, you must reconfigure all System and Operation
Parameters as documented in the TestEquity manual, NOT the “EZ-Zone PM
User’s Manual”.