5 Operating instructions
5 Operating instructions
W W W . B A L T I M O R E A I R C O I L . E U
13
OPERATING INSTRUCTIONS
TrilliumSeries Coolers with EC fans & factory installed
control panel
Control logic
The fan speed is controlled on the basis of the actual process fluid return temperature and the design return
temperature, ensuring a minimum electrical consumption and noise levels.
The adiabatic pre-cooling will be activated and stopped on the basis of a pre-programmed logical combination of
the fan speed and the ambient temperature (release set-point). Default settings will not activate adiabatic pre-
cooling unless all fans are running at maximum permissible speed and the dry-to-adiabatic release set-point is
reached.
The adiabatic control logic is pre-programmed and is ready for operation.
Depending on the actual size of the installation, the controller pre-programmed PIprocess parameters may need to
be adjusted.
Electrical panels
1. Power panel
2. Control panel
3. Digital controller with LCD interface
4. Optional heater (required for ambient temperatures
between -10°C and -40°C)
Electrical panel for unit with EC fans
CONTROL PANEL
The control panel contains the digital controller and the optional thermostat.
At the outside of the control panel, the following components can be found:
• Emergency stop: Push to activate; rotate to de-activate.
• Reset button (restart after emergency stop).
• 24VAC power indicator light.
TVFC
5
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