Owners Manual DA2 Series Dehumidifier
Important Notices Startup
Dectron, Inc. November 2009 25
Data subject to change without notice.
The expansion valve(s) must be adjusted at startup, since airflow affects the evaporator loading.
To obtain proper operation and long life, it is important to adjust the expansion valve(s) as described here.
Do not attempt to adjust the expansion valve based on evaporator superheat.
IMPORTANT!
Once startup is completed, all portions of the “Startup Report and Warranty Registration” form must
be
completely filled in and a copy must be sent to the Dectron factory in order to register and validate the
warranty. A copy can be faxed to the factory office at 514-334-9184.
IMPORTANT!
Do NOT turn on the electric power unless the branch-circuit voltage matches that specified on the unit
nameplate.
IMPORTANT!
Where compressors are equipped with oil-level sight glasses, the oil level should be monitored
closely.
IMPORTANT!
Heating, Cooling, or Dehumidifying Construction Sites
The DRY-O-TRON
®
unit is not a convenience air conditioner. Its capacity is matched to the expected load. Any
damage to the unit and any performance reduction due to abuse or improper installation will be obvious once the
building begins normal use.
Never use the unit to heat, cool, or dehumidify a construction site. The air coils must be protected against
construction dusts until all construction dusts have been removed from the space. Construction dusts bind to the
cooling coil permanently and cannot be removed. Once bound, the dusts reduce heat transfer and airflow rate.
Filters will not prevent this.
The resulting performance reduction and possible component damage are not covered by the Dectron
warranty.
Risk of contact with moving parts. Can cause injury or death.
This product contains rotating parts and V-belt drives. Some installation, service, and
maintenance procedures could expose personnel to the risk of injury or death from
contact with these parts.
Using only approved devices (e.g. locking safety switch), 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
Risk of pinching or crushing. Can cause injury.
Access doors and panels are under a strong negative pressure when the blower(s) is
running. Opening doors may be difficult. Closing doors must be done with a tool to
prevent hands from being pinched or crushed.
WARNING
NOTICE
Risk of damage to equipment
Close all doors and/or access panels before starting the blower. Doors and panels must remain
closed during operation, except briefly for adjustments.
NOTICE
Risk of damage to equipment
Be sure the branch-circuit disconnect has been ON and the compressor crankcase heater has
been ON for at least 12 hours before attempting to start a compressor.
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