Dectron DRY-O-TRON Supervisaire DSV 040 User Manual

DECTRON
COMPRESSOR X OIL
FAILURE,
where “X” is a place-
holder. Your display will
actually show a number
associated with a partic-
ular refrigeration circuit.
Low oil level in compressor
crankcase
• Check oil level in compressor oil sight glass.
• Be sure the evaporator pressure does not
operate below 50 PSI for significant periods.
• For units with air-cooled air conditioning, be
sure the refrigerant tubes to the remote con-
denser are not longer than the length specified
on the unit nameplate.
• For units with air-cooled air conditioning, be
sure the refrigerant tubes to the remote con-
denser are the same O.D. as specified on the
unit nameplate.
• For units with air-cooled air conditioning
where the remote condenser is more than 20
feet above the DRY-O-TRON®, be sure the hot-
gas riser tube(s) have P-traps as specified in
this manual.
COMPRESSOR X
OVERHEAT,
where “X” is a place-
holder. Your display will
actually show a number
associated with a partic-
ular refrigeration circuit.
Low oil level in compressor
crankcase
• See “OIL PRESSURE FAILURE” above
Evaporator pressure too low or
hot gas bypass valve open too
long (when so equipped).
• Be sure the evaporator pressure does not
operate below 55 PSI for significant periods. Be
sure HGBV is properly adjusted.
Defective refrigerant expansion
valve
• Consult Dectron or a Dectron-certified
technician.
Defective compressor overheat
detector
• Consult Dectron or a Dectron-certified
technician.
Applied voltage out of tolerance
or out of balance
• A qualified person should be sure that the
average applied voltage is within ±10% of the
nameplate value and that the individual phase
voltages are within ±1% of the average voltage
(See NEMA MG-1).
Excessive compressor wear
• Consult Dectron or a Dectron-certified
technician.
Compressor oil pump failure
• Consult Dectron or a Dectron-certified
technician.
Compressor oil pressure switch
failure
• Oil pressure should be more than 10 PSI
above evaporator pressure.
• Consult Dectron or a Dectron-certified
technician.
ALARM POSSIBLE CAUSES CHECKS & CORRECTIONS
Dectron, Inc. March 2012
DSH/DSV/RSH/DBH/RBH Series Dehumidifier Owner’s Manual
Data subject to change without notice.
288
Service Troubleshooting Alarms
8.8

Dectron DRY-O-TRON Supervisaire DSV 040 Specifications

General

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