Cooler Operation:
(cont.)
Networker Control in Auto Mode
The following sequences are normal operation in Auto mode, with the Networker at a
set comfort level, and the room temperature varying according to the Cooler's
operation and load conditions.
When the Networker is turned ON in Cooler Auto mode, an immediate signal is sent
to the cooler to indicate if the unit is required to operate or not.
If the comfort level setting is adjusted on the Networker when operating in Cooler
Auto mode, an immediate signal is also sent to the cooler.
Whenever the Networker sends an OFF or ON signal to the N-E5 module, both the
pump and the fan will be turned OFF or ON, however, their operation may be
delayed by the fill and Pre-wet functions.
The Cooler will be turned ON, if the room temperature is 0.5
0
C. higher than the set
comfort level, and OFF if the room temperature is lower.
The ON fan signal from the Networker accompanies a fan speed signal, to determine
the speed required according to the temperature differential between the room
temperature and set comfort level.
The fan will operate at minimum speed, when the room temperature is up to 1
0
C.
above the set comfort level, and is incremented to be at maximum fan speed, when
the room temperature is 5
0
C. or more above the set comfort level.
During normal operation, at 5 minute intervals, the Networker updates the N-E5
module on the temperature differential between room temperature and the set
comfort level, and if the temperature has varied by 0.5
0
C. or more then the cooler is
adjusted.
However, if the temperature changed rapidly by 2.5
0
C. or more within the 5 minute
update interval, then the Networker will signal the N-E5 module to adjust
immediately.
If the room temperature is higher than the set point when the Networker is turned ON,
then the fan will immediately operate at the speed according to the set point, following
the normal ServoSeal, water fill and Pre-wet operations.
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