Service Manual 32 – Contour 3 Series, Profiler & Advance – Approved Issue 5 Printed 2/13/2014 11:50:17 AM
41
Cooler Operation
(cont.)
General Operation:
(cont.)
•
If the pump has been
OFF for less than 2 minutes
(ShortDryPadTime), then no
Pre-Wet will occur.
•
If the pump has been
OFF for less than 10 minutes
(LongDryPadTime),
but
longer than 2 minutes
(ShortDryPadTime), a
1 minute (ShortPrewetTime)
will
apply.
•
If the pump has been
OFF for longer than 10 minutes
(Long DryPad Time) then
a
2 minute (LongPrewetTime)
will occur.
•
If the power supply to the N-E5 has been interrupted, the first Pre-wet will be 2
minutes (LongPrewetTime).
Pump On
Pump Off
Pump On
Pump On
Pump On
Power
Interuption
Time interval from
prior pump
operation more than
2 mins but less than
10 mins
Time interval form
prior pump
operation less
than 2 mins
Pump On
1 Minute Pre-wet
(Short Pre-wet time)
No Pre-Wet
2 minute Pre-wet
(Long Pre-wet time)
2 minute Pre-wet
(Long Pre-wet time)
Fan On
Time interval from
prior pump
operation more than
10 mins
If the unit is turned OFF (i.e. pump and fan OFF) for longer than 60 minutes
(ServoCloseDelay), the N-E5 module will automatically isolate the water inlet
solenoid, and drive ServoSeal motor, which will drain the trough and close the
dropper duct damper seal (Note: damper not present on Profiler coolers).