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Dectron DRY-O-TRON Supervisaire DSV 040 User Manual

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Dectron, Inc. March 2012
Owners Manual
DSH/DSV/RSH/DBH/RBH Series Dehumidifier
Data subject to change without notice.
287
Alarms Troubleshooting Service
DECTRON
ALARM POSSIBLE CAUSES CHECKS & CORRECTIONS
COMPRESSOR X HIGH
DISCHARGE FAULT,
where “X” is a place-
holder. Your display will
actually show a number
associated with a partic-
ular refrigeration circuit.
Improperly adjusted refrigerant
expansion valve(s)
Consult Dectron or a Dectron-certified
technician.
Defective temperature sensor
Consult Dectron or a Dectron-certified
technician.
COMPRESSOR X LOW
DISCHARGE FAULT,
where “X” is a place-
holder. Your display will
actually show a number
associated with a partic-
ular refrigeration circuit.
Improperly adjusted refrigerant
expansion valve(s)
Consult Dectron or a Dectron-certified
technician.
Improperly adjusted pressure
control valve(s)
Consult Dectron or a Dectron-certified
technician.
Excessive return airflow
Contact an air-balance service to be sure the
airflow is within tolerance.
Inadequate refrigerant
With the compressor running, check for
bubbles in the sight glass(es). If bubbles are
present contact Dectron or a Dectron-
certified technician.
Inadequate return airflow
Contact an air-balance service to be sure the
airflow is within tolerance.
COMPRESSOR X LOW
PRESSURE FAULT,
where “X” is a place-
holder. Your display will
actually show a number
associated with a partic-
ular refrigeration circuit.
Inadequate refrigerant charge
The refrigerant sight glasses must be com-
pletely full whenever the compressor has
been running for at least ten minutes. If this
is not the case, consult Dectron or a Dectron-
certified technician.
Inadequate return airflow
Contact an air-balance service to be sure the
airflow is within tolerance.
Manual isolation valves not
opened at installation
Be sure all manual isolation valves are open.
Clogged refrigerant filter-drier
Consult Dectron or a Dectron-certified
technician.
Improperly adjusted pressure
control valves
Consult Dectron or a Dectron-certified
technician.
Defective refrigerant expansion
valve
Consult Dectron or a Dectron-certified
technician.
Defective pressure switch
Consult Dectron or a Dectron-certified
technician.
Low room air temperature
Be sure set points correspond to those
shown on unit nameplate. Be sure room
heater is working properly.
Low room humidity
Be sure set points correspond to those
shown on unit nameplate. Be sure outdoor
makeup airflow rate is not excessive.
8.7

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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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