De'WOODS MDH-30A User Manual Download Page 2

Contents

INTRODUCTION

IMPORTANT SAFETY INSTRUCTIONS

ILLUSTRATIVE DIAGRAM - PARTS

CONTROL PANEL

OPERATING INSTRUCTIONS

MAINTENANCE

TROUBLE SHOOTING

SPECIFICATIONS

I

NTRODUCTION

Congratulations on your purchase of this dehumidifier. Please read this

instruction manual carefully before you use this dehumidifier.

Drier air offers greater comfort at higher room temperatures. Lower humidity

reduces growth of mold, fungus and bacteria, while creating a more conducive

environment for storage of most applications.

Besides human comfort, Dry Air storage is used for numerous applications,

such as Strong rooms, Libraries, Electronic equipment rooms, Hospitals,

Pharmaceutical Storage Areas, Archives, Laboratories, and for other

hydroscopic material applications.

Bacteria & mould requires a high humidity to survive and multiply. If the

humidity is kept below 50 % RH, this will not occur.

Corrosion – Iron and steel will not rust if the air in contact with the surface has

humidity below 50 % relative humidity.

The air is laden with moisture, however the volume of moisture able to be

carried at any given temperature is limited (termed saturation vapor (content).

Beyond this, vapor returns to liquid (water) state from its gaseous state

Based on this principle, an air conditioner and a refrigerant dehumidifier cools

the air, lowering the saturation level and thereby promoting condensation.

However, an air conditioner is controlled by its thermostat which is less

effective and less efficient while a dehumidifier is controlled by a humidistat or

hygrostat which provides the desired humidity level.

Relative Humidity is a measure of how much moisture is in the air. It is the

ratio that indicates the ability of the air to absorb more moisture, expressed in

percent (%RH). For more information, see also specific/ absolute humidity.

The lower the percentage in RH, the lower the moisture content in the air and

the greater the air's ability to absorb more moisture. When the air reaches

100% RH, it reaches its saturation point and the water vapor turns to liquid,

forming droplets of condensation

Summary of Contents for MDH-30A

Page 1: ...setting high Wash air filter Remove obstacles or Relocate unit elsewhere Reset humidity setting on control panel Unit Noisy Water spill 1 Unit on uneven floor 2 Blocked filter Reposition unit Wash air filter E1 Temperature sensor error Replace sensor E2 Humidity sensor error Replace sensor E3 1 Motor fault 2 Compressor fault 3 Refrigerant leak Contact agent Technical Specifications Model No MDH 30...

Page 2: ... with the surface has humidity below 50 relative humidity The air is laden with moisture however the volume of moisture able to be carried at any given temperature is limited termed saturation vapor content Beyond this vapor returns to liquid water state from its gaseous state Based on this principle an air conditioner and a refrigerant dehumidifier cools the air lowering the saturation level and ...

Page 3: ...ert your finger or other foreign objects into grills or openings Take special care to warn children of these dangers 8 Always store the unit upright in order to maintain the compressor in proper working condition Leave the unit upright for at least 30 minutes before operating 9 Always unplug the unit before cleaning 10 Remove filter and clean with vacuum cleaner or wash with mild detergent Do NOT ...

Page 4: ...nning The compressor remains off until the coil temperature rises to 10 C for more than 10 minutes OPERATING INSTRUCTIONS Removing Collected Water 1 When the water container is full and the unit stops operating the water FULL indicator light will LIGHT UP 2 To empty water container gently remove the container and empty the water Ensure components of water tank are correctly positioned 3 The machin...

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