Dectron, Inc. March 2012
Owner’s Manual
DSH/DSV/RSH/DBH/RBH Series Dehumidifier
Prepare to Adjust Expansion Valve(s) Startup
Data subject to change without notice.
225
If there are two or more expansion valves for
each refrigeration circuit, then follow the
steps below. Otherwise, skip to next page.
8a.
Attach the probes of remote-reading
electronic thermometers to the evaporator-
suction tubes 6 to 18 inches from the
evaporators. The thermometers should
have a range including 32 to 80°F (0-27°C).
8b. Wrap 1/2 inch (1cm) thick insulation
around the tube-probe assembly. The
insulation should go all the way around the
tube, and extend at least 3 inches (8 cm)
along the tube on both sides of the probe.
8c. Wrap the insulation with foil or foil-backed
tape. Close the foil tightly (especially the
ends) against the turbulent airflow that will
form inside the cabinet.
8d. Route the probe cables through the door
or access panel to allow temperatures to be
read with the unit running.
GO TO NEXT PAGE.
DECTRON
Probe
TXV Bulb
Expansion
Valve
Cable must be
able to reach
outside the unit
cabinet.
Foil
Insulation
Sample
Components and
layout may vary.
Risk of contact with moving parts. Can cause injury or death.
This product contains rotating parts and V-belt drives. Do not approach any moving
parts while electric power is applied to unit. Use only approved devices (e.g. locking
safety switch), to disconnect, lockout, and tagout all sources of electrical energy before
working inside the unit cabinet. Allow adequate time for rotating parts to stop. Follow
all applicable safety regulations.
WARNING
STARTUP
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