DA2 Series Dehumidifier Owners Manual
Startup Initial Preparations
18 Dectron, Inc. November 2009
Data subject to change without notice.
DECTRON
Some units may ship with wooden spacer blocks to maintain component positions during shipping. Open the unit
access panels or doors and remove any wooden blocks.
Where wire or plastic wraps are used to hold the wooden blocks in place, remove them also. Do not leave loose
materials inside the unit.
NOTE: Do not remove metal braces unless specifically instructed to do so.
Some units may ship with a metal brace restraining the top of the
compressor(s). Inspect the compressors and remove any top braces.
Some units may ship with compressor mounting springs compressed.
Where this is the case, loosen the bolts just enough to allow the
compressor(s) to float on the springs.
Refrigerant distributor tubes
may be touching after shipment. Operating the unit with tubes touching
each other can lead to refrigerant leaks.
Inspect all the distributor tubes and gently
separate them so that they do
not touch. If necessary, separate them with plastic spiral wrap, rubber
pads, or silicone caulk.
Carefully test all refrigerant tubes and components for leaks, using a reliable eletronic leak detector. Repair all
leaks as necessary.
Apply electric power to the unit for at least 12 hours before attempting to start a compressor. Check the unit wiring
diagram to insure that the crankcase heater is enabled. If practical and safe to do so, use a temperature probe to
confirm that the crankcase heater(s) is operating.
WARNING
Risk of electric shock. Can cause injury or death.
Some startup procedures could expose personnel to the risk of electric shock.
Electric shock can cause injury or death.
The unit controller does not disconnect electrical energy from the unit, even in the
OFF condition. 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. Follow all applicable safety regulations.
WARNING
Risk of blistering. Can cause injury.
Crankcase heaters may be at elevated temperatures. Wear protective clothing
(gloves, sleeves, etc.) while working on these parts. Use gloves and other protective
equipment to prevent injury.
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