Cooler Operation
General Operation
When the Networker is turned OFF, or is in a mode other than "Cooler", then the
Contour Cooler will have the ServoSeal closed (Contours only), and the tank drained,
provided the unit has been in the OFF condition for longer than 60 minutes.
When the Networker is turned ON in Cooler mode, no function will occur until the
Networker signals the Cooler to operate, i.e. the ServoSeal (Contours only) will
remain closed and the tank empty.
If either the fan or the pump is required to operate, then the ServoSeal (Contours
only) will be driven open, before any other activity can run. The ServoSeal has a
direct linkage to the drain valve, and the drain valve closes as the ServoSeal opens,
and vice versa. Profiler Models do not have the Servoseal installed, but the drain
valve will operate off the same mechanism.
The ServoSeal opening delay time is 20 seconds.
On completion of the ServoSeal opening and drain valve closing action, if the
Networker calls for the pump to operate, the water inlet solenoid will be energised to
open, and the tank will begin to fill with water.
The N-E5 module will not permit the pump to be energised, until the water has
reached the high water level, on the Trident water management system.
After pump commencement the water level will possibly drop below the High level on
the Trident water sensor, so the inlet solenoid will remain open for another 10
seconds.
If the Cooler pump has been OFF longer than 2 minutes the Cooler is programmed to
automatically Pre-wet the filter pads when the pump is turned ON, before the fan
can start operating for both Networker Auto and Manual modes.
This is to ensure in all circumstances the filter pads reach full saturation and optimum
cooling potential when the fan starts.
The automatic Pre-wetting time of the dried filter pads, will depend on how long the
Cooler's pump has been OFF, as follows:
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