Dectron DRY-O-TRON Supervisaire DSV 040 User Manual

Dectron, Inc. March 2012
Owner’s 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

Dectron DRY-O-TRON Supervisaire DSV 040 Specifications

General

Brand	Dectron
Model	DRY-O-TRON Supervisaire DSV 040
Category	Controller
Language	English