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Dectron DRY-O-TRON Supervisaire DSV 040 User Manual

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DECTRON
Dectron, Inc. March 2012
DSH/DSV/RSH/DBH/RBH Series Dehumidifier Owners Manual
Data subject to change without notice.
286
ALARM POSSIBLE CAUSES CHECKS & CORRECTIONS
COMPRESSOR X HIGH
PRESSURE FAULT,
where “X” is a place-
holder. Your display will
actually show a number
associated with a partic-
ular refrigeration circuit.
Loss of cooling water on water-
cooled units
Be sure water flow is correct. See
Startup - Adjust Flow Switches.
Be sure the cooling water temperature is not
above that stated on the unit nameplate.
Consult Dectron or a Dectron-certified
technician.
Loss of airflow in remote
condensers on air-cooled units
Improperly adjusted pressure
control valve(s)
Consult Dectron or a Dectron-certified
technician.
Defective high pressure switch
Be sure set points correspond to those
shown on the unit nameplate.
Be sure controller outputs are not calling for
heating. See unit wiring diagram.
Return air temperature too high
This will be most common in warm weather.
Be sure the total refrigerant charge corre-
sponds to the amount shown on the unit
nameplate.
Excess refrigerant
Be sure all isolation valves are opened.
Manual isolation valves not
opened at installation
Be sure reheat coil is not coated with foreign
materials such as dirt from unfiltered outdoor
air or scum from spas / hot tubs.
Be sure reheat coil is not corroded.
Corrosion is due to poor chemical storage or
excessive chloramine production.
Fouled or damaged reheat coil
Be sure the remote condenser safety switch
is ON. Be sure that all fuses (if any) are good.
For polyphase condensers, be sure that all
phases are present. Be sure the fans turn
the proper direction.
Be sure that there are no walls, fences,
bushes, or other airflow interruptions near
the remote condenser. See Installation -
Locate Remote Condenser.
Be sure the remote condenser is clean.
Service Troubleshooting Alarms
8.6

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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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