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Dectron DRY-O-TRON Supervisaire DSV 040 User Manual

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DECTRON
COOLING PERFOR-
MANCE ALARM
A minimum temperature differ-
ence across the evaporator has
not been produced after ten
minutes of refrigeration.
Be sure the associated refrigerant sight
glass is full. No droplets should be visible
on the inside of the sight glass. No bubbles
should be visible in the sight glass after ten
minutes of operation.
Be sure the return airflow rate is as speci-
fied.
Be sure all manual isolation valves are fully
open.
Be sure the refrigerant filter-drier is not
clogged.
Be sure the refrigerant expansion valve is
properly adjusted.
Be sure the pressure control valves have not
been adjusted. Contact Dectron or a
Dectron-certified technician.
DISCHARGE X
SENSOR FAULT,
where “X” is a place-
holder. Your display will
actually show a number
associated with a partic-
ular refrigeration circuit.
The signal from the compressor
discharge temperature sensor is
out of range.
Be sure the sensor cable is properly
connected to both the sensor and the
controller.
Disconnect the cable from the controller and
check the resistance of the sensor and cable
combination. Compare to the chart at the
end of this section.
If the resistance is outside the allowable
range, disconnect the cable from the sensor
and be sure the resistance of the cable is
above 1 million ohms. Connect the ends of
the cable wires together and be sure the
cable resistance is less than 5 ohms. If
either condition fails, replace cable.
Compare the resistance of the sensor
itself to the sensor resistance chart. Replace
sensor if necessary.
Connect sensor and cable to controller.
DIRTY FILTERS
The signal from the filter differen-
tial pressure sensor indicates
dirty filters.
ALARM POSSIBLE CAUSES CHECKS & CORRECTIONS
Install clean filters.
Defective sensor or wires.
Check for continuity.
Dectron, Inc. March 2012
DSH/DSV/RSH/DBH/RBH Series Dehumidifier Owners Manual
Data subject to change without notice.
290
Service Troubleshooting Alarms
8.10

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Dectron DRY-O-TRON Supervisaire DSV 040 Specifications

General IconGeneral
BrandDectron
ModelDRY-O-TRON Supervisaire DSV 040
CategoryController
LanguageEnglish

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