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Step 5. Program as: Air cooled, Single Fan, Sat Cond
Temp, Ambient Temp, Ramp Stages, set Min cond T
per customer spec or rack design, set Max cond T per
customer spec or rack design, and set the Condenser
Delta T per wet bulb design TD.
Step 6. PG DN and set Minimum speed 1.0%, set
Maximum speed 100.0%.
Step 7. PG DN and set Individual outside temp to Yes. Step 8. PG DN set the Normal Reaction Zone 60.0psi.
This will give the normal PID the max range to
operate. Set Plus Zone and Minus Zone 60 sec – 120
sec to slow the out of normal zone reaction time.
Step 9. Go back to Configuration menu select Board
& Points
Step 10. Select Sensor Inputs, program the Bd-Pt
and Type for the Dropleg Press, Dropleg Temp, and
the individual Outside Temp. The individual Outside
(Example below Outside Temp A is the individual)
should be a sensor that is located between the
Adiabatic pad and the condenser coil. This sensor
will give you the coil entering air. This entering air
temp will make it so the TD strategy will work with dry
air or if the adiabatic water is running.
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