BAC Trillium Series - EcoFlex Controls Maintenance; Setting Date and Time; Commandable Values; Self-Clean Cycle

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Detailed Component
Maintenance
Coil Maintenance
Water Treatment
EcoFlex™ Controls
Maintenance
Setting Date and Time
Commandable Values
Self-Clean Cycle
• Press Prg.
• Scroll up/down and select Technician, then press enter. Use the password 1703 when
prompted.
• Scroll up/down and select Clock, then press enter.
• While in the Clock menu, press enter to begin making changes. Use the up/down
arrow to set the correct time and date. Then press enter to accept the changes.
Commandable Values
The commandable values menu is part of the default menu. To access it, scroll down using
the arrows on the screen. Once the menu is shown, press enter and begin adjusting.
• OA Temp Setpt: This is the temperature at which the Pre-Cooler mode is initiated.
The settings range is from 40°F (4.4°C) up to 120°F (48.9°C). BAC presets all units
according to weather data for each region and optimizes them for your location.
• Force Precool: This function allows the customer to force the unit into Pre-Cooler
Mode. BAC recommends using this feature only if the temperature sensor has failed or
for testing purposes.
• Daily Drain: This function allows the customer to change the time of the daily drain
of the unit. BAC has it preset at 2 am. On systems with multiple TrilliumSeries™
Adiabatic Products, it is advisable to offset the drain times so that all units are not
draining simultaneously.
Self-Clean Cycle
The unit comes preset to operate the Self-Clean Cycle at 5:45 am for three minutes (180
seconds).
• With the unit on, scroll down on the main screen until the Self-Clean Cycle menu is
found.
• Time On: Time at which the feature starts.
– The BAC default is 5:45 am.
• Time Duration: Time in seconds that the fan(s) rotate in reverse.
– The BAC default is 3 minutes (180 seconds).
• Max Temp Set Point: The maximum limit for the outside air temperature. If the
temperature exceeds this value, the cycle will not start. Increasing this temperature is
not recommended as this may be a high or peak load time.
– The BAC default is 90°F (32.2°C).
• Min Temp Set Point: The minimum limit for the outside air temperature. If the
temperature is below this value, the cycle will not start. Decreasing this temperature is
not recommended as it is protecting the coil from additional thermal cycling.
– The BAC default is 40°F (4°C).
• Auto Fan Clean: Turns the Self-Clean Cycle on/off.
Figure 36. Commandable Values Menu