Also included is access to an area of the controller where the TCS model and serial number can be stored. The controller software and firmware version are also displayed.
6.4.7.1 Clear Alarm Event Log
Clicking this button erases any old information in the alarm log and resets all of the messages to the default “OK - No Alarm” condition.
6.4.7.2 Enable Economizer Operation.
Checking this check box enables economizer operation. If the
6.4.7.3 Economizer Changeover Scheme
The economizer changeover scheme is selectable between enthalpy changeover or dry bulb temperature changeover. The default for this is enabled. When enthalpy changeover scheme is used the economizers will be used as 1st and 2nd stage cooling as long as the outdoor enthalpy is below the Enthalpy changeover setpoint. When dry bulb temperature scheme is used the economizers will be used as 1st and 2nd stage cooling as long as the outdoor temperature is below the dry bulb temperature changeover setpoint. Clicking the button will change to the opposite changeover scheme.
6.4.7.4 Enable Daylight Savings Time
This checkbox enables daylight saving time for the controller hardware clock. If the site location is in an area that does not use daylight savings time during the summer uncheck this box. The default setting for daylight savings time is enabled.
6.4.7.5 Enable 50 hz Clock
This checkbox enables 50hz clock operation. If the site location is in an area has 50 hz power supplies check this box. This assumes correct operation of the hardware clock. The default setting for Enable 50 hz clock is disabled.
6.4.7.6 Enable Zone Humidity Sensor
The TCS can be ordered without an indoor humidity sensor. The model number will have a “T” in the 7th position of the model number if no humidity sensor was ordered. Factory default for this value is enabled. If the TCS does not have an indoor humidity sensor disable this feature.
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