Dri-Eaz 2400 Manuel du propriétaire - Page 5

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LOCATING THE DEHUMIDIFIER

The dehumidifier must be operated in an enclosed

area to achieve maximum efficiency. All doors, win-

dows and other openings to the outside must be closed

tightly. The dehumidifier should be placed where there

is no restriction to air flowing either into the coils at

the rear or from the front grill.

A dehumidifier operating in a specific area will

have little effect in drying an adjacent enclosed area,

such as a closet, unless there is adequate circulation of

air in and out of the adjacent area. Open interior doors

and operate Dri-Eaz TurboDryers to maintain good air

movement. Doors may need to be braced to prevent

them from closing as a result of air movement.

Caution

When operating the DrizAir 2400 on a hardwood floor,

it is suggested that the floor surface be protected due to

possible minor leakage from the unit.

Under normal circumstances the DrizAir 2400

should be positioned centrally in the room. If, however,

a particularly wet area is apparent, the air outlet duct

can be directed towards that area of the room. The duct

should never be closer than three feet from the wall.

In the case of individual rooms being dried, all

doors and windows should be kept closed. Any traffic

through doors should be kept to a minimum.

When drying several rooms, the units should be

placed at equal distances from one another to cover the

whole floor area. Internal doors and windows should

be left open. Try and arrange each unit to blow air

from one area into another, i.e. from a corridor into a

room.

Normally, the DrizAir 2400 will be serving an in-

ternal room volume between 2,000 and 20,000 cubic

feet. In smaller rooms it will raise the internal tempera-

ture substantially. This helps reduce the relative hu-

midity (Rh) and therefore assists in the drying process.

However, the room temperature should never be al-

lowed to exceed 100° F (38° C).

Dehumidifiers may cause a significant rise in indoor

temperatures when operated in small enclosed rooms -

do not operate at temperatures above 100° F (38° C).

OPERATING CONDITIONS

The DrizAir 2400 industrial grade dehumidifier is

designed to operate in cooler conditions than most

homeowner units. It will operate at temperatures down

to 33° F (0° C) and up to 100° F (38° C). For best op-

eration, maintain temperatures between 70° and 80° F

(21° - 27° C).

A light coating of frost on the coil is normal when

the dehumidifier first begins to operate due to the refri-

gerant rushing through the coil. Under normal condi-

tions, it should disappear within 60 minutes. It is also

perfectly normal for frost to form on the coil when the

temperature of the room is relatively cool and/or if the

humidity in the room is relatively low.

When the dehumidifier is first put into operation in

a saturated environment, it will remove relatively large

amounts of moisture. It will continue to do so until the

relative humidity in the area being dried is reduced to a

point where extensive humidity damage should not

occur. After this, the amount of moisture removed

from the air will be considerably less.

The decreasing amount of moisture being extracted

indicates that the dehumidifier is doing its job and that

it is maintaining the relative humidity at its best level.

The performance of the dehumidifier should be judged

by the reduction of humidity, rather than by the amount

of water being removed and deposited in the bucket.

You can check the relative humidity and the tempera-

ture with a thermo-hygrometer from Dri-Eaz Products.

With this information specific humidity can be ob-

tained using a Psychrometric Chart or Psychrometric

Calculator.

EXTRACTION RATES

In all dehumidification systems the extraction rates

vary with humidity and temperature. An electronic

thermo-hygrometer will help in checking for proper

operation.

Caution