User Manual Midea MAD50P1BWT 50 Pint EasyDry Dehumidifier with Built-In Pump

• User Manual - (English)

• Spec Sheet (web) - (English)

Table of contents

• Unit Specifications and Features
• Operating Instructions
• Care and Cleaning
• Troubleshooting

Unit Specifications and Features

Product overview

NOTE All the pictures in this manual are for illustrative purposes only. The actual shape of the air conditioner you purchased may be slightly different, but its operations and functions are similar.

Accessories

Pump drain hose (1 pc) (only for the unit with pump feature)

Specifications

Operating Instructions

CAUTION Clean your unit occasionally to keep it looking new. Be sure to unplug the unit before cleaning to prevent chock or fire hazards.

Key Pad Features

NOTE The control panel of the unit you purchased may be slightly different according to the models.

Control Pads

When you push the button to change operation modes, the unit will make a beep sound to indicate that it is changing modes

(COMFORT) Button

Press to activate the comfort dehumidifying operation.

NOTE When COMFORT function is turned on, set humidity is automatic and cannot be changed manually

(FILTER) Button

This feature is a reminder to clean the Air Filter for more efficient operation. The LED (light) will illuminate after 250 hours of operation. To reset after cleaning the filter, press the Filter button and the light will go off.

(CONTINUE) Button

Press to activate the continuous dehumidifying operation.

(TURBO) Button

Control the Turbo speed. Press to select either Turbo or normal fan speed. Set the Turbo control to high for maximum moisture removal. When room humidity is at your preferred level, it is advised to turn off Turbo speed.

(TIMER) Button

Starts the Timer ON and Timer OFF function setting.

Up/Down Buttons ( )

• Humidity Set Control Buttons The humidity level can be set within a range of 35% RH (Relative Humidity) to 85% RH (Relative Humidity) in 5% increments. For drier air, press the button and set to a lower value (%). For damper air, press the button and set a higher value (%).
• TIMER Set Control Buttons Use the and key buttons to set the Timer ON or Timer OFF from 0 to 24 hours.

(POWER) Button

Press to turn the dehumidifier on and off.

LED Display

Shows the set % humidity level from 35% to 85% or auto start/stop time (0 ~ 24) while setting, then shows the actual (+/- 5% accuracy) room % humidity level in a range of 30% RH (Relative Humidity) to 90% RH (Relative Humidity).

Error Codes and Protection Code:

• AS - Humidity sensor error - Unplug the unit and plug it back in. If error persists, contact Customer Service.
• ES - Tube Temperature sensor of the evaporator error - Unplug the unit and plug it back in. If error persists, contact Customer Service.
• P2 - Bucket is full or bucket is not in right position - Empty the bucket and replace it in the right position. (only available for the unit with no pump feature.)
• P2 - Bucket is full - Empty the bucket. (only available for the unit with pump feature.)
• EC - Refrigerant leakage detection - Display area will show EC when the unit detects refrigerant leakage. If error persists, contact Customer Service.
• E3 - Unit malfunction - Unplug the unit and plug it back in. If error persists, contact Customer Service.
• Eb - Bucket is removed or not in right position - Replace the bucket in the right position. (only available for the unit with pump feature.)

Other Features

Bucket Full Light

Lights up when the bucket is ready to be emptied.

Auto Shut Off

The dehumidifier shuts off when the bucket is full, or when the bucket is removed or not replaced in the proper position. When the setting humidity is reached, the unit will be shut off automatically. The fan motor will continue operating.

Auto Defrost

When frost builds up on the evaporator coils, the compressor will cycle off and Auto Defrost function will run automatically

Wait 3 minutes before resuming operation

After the unit has stopped, it can not be restarted in the first 3 minutes to protect compressor operation. The unit will restart automatically after 3 minutes.

Auto-Restart

If the unit stops unexpectedly due to a power cut, it will restart with the previous function setting automatically when the power resumes.

Setting the Timer ON and Timer OFF

• When the unit is on, first press the Timer button, the Timer OFF indicator light illuminates. It indicates the Timer OFF program is initiated. Press it again the Timer ON indicator light illuminates.It indicates the Timer ON is initiated.
• When the unit is off, first press the Timer button, the Timer ON indicator light illuminates. It indicates the Timer ON program is initiated. Press it again the Timer OFF indicator light illuminates. It indicates the Timer OFF is initiated.
• Press or hold the and key buttons to change the Timer by 0.5 hour increments, up to 10 hours, then at 1 hour increments up to 24 hours. The control will count down the time remaining until start.
• The selected time will register in 5 seconds and the system will automatically revert back to display the previous humidity setting.
• When the Timer ON and Timer OFF times are set, within the same program sequence, indicator lights illuminate identifying both ON and OFF times are now programmed.
• Turning the unit ON or OFF at any time or adjusting the timer setting to 0.0 will cancel the Timer function.
• When LED display window displays the code of P2, the Auto Start/Stop function will also be cancelled.

NOTES

• When first using the dehumidifier, operate the unit continuously 24 hours. Make sure the plastic cover on the continuous drain hose outlet install tightly properly so there are no leaks.
• This unit is designed to operate with a working environment between 5°C/41°F and 35°C/95°F.
• Make sure the water bucket is positioned correctly so that the unit can operate properly. When the water in the bucket reaches to a certain level, please be careful to move the unit to avoid it spill.

Removing Collected Water

There are three ways to remove collected water:

1. Use the bucket
   • When the unit is off, if the bucket is full, the F ull indicator light will light.
   • When the unit is on, if the bucket is full, the compressor and the fan turn off, and the Full indicator light will light, the digital display shows P2.
   • Slowly pull out the bucket. Grip the left and right handles securely, and carefully pull out straight so water does not spill. Do not put the bucket on the as because the bottom of the bucket is uneven. Otherwise water may be spilled.
   • Throw away the water and reposition the bucket.
   • The unit will restart operation when the bucket back in place.
   • 
   • NOTES
     • When you remove the bucket, do not touch any parts inside the unit. Doing so may damage the product.
     • Be sure to push the bucket gently all the way into the unit.
     • If the pump hose drops when you remove the bucket (see Fig. 7), you must reinstall the pump hose properly to the unit before replacing the bucket into the unit (see Fig. 8).
     • When the unit is on, if the bucket is removed, the compressor and the fan turn off, then the unit will beep 8 times and the digital display shows Eb.
     • When the unit is off, if the bucket is removed, the unit will beep 8 times and the digital display shows Eb.
2. Continuous draining
   • Water can be automatically emptied into a floor drain by attaching the unit with a water hose (Id Ø 5/16”, not included) with a female threaded end (ID: M = 1”, not included).
   • Remove the plastic cover from the back drain outlet of the unit and set aside, then insert the drain hose through the drain outlet of the unit and lead the drain hose to the floor drain or a suitable drainage facility. (See Fig. 9 and Fig. 10)
   • When you remove the plastic cover, if there is some water in the back drain outlet of the unit you must dry it. Make sure the hose is secure so there are no leaks and the end of the hose is level or down to let the water flow.
   • Direct the hose toward the drain, making sure that there are no kinks that will stop the warter flowing.
   • Select the desired humidity setting and fan speed on the unit for continuous draining to start.
   • 
   • NOTE When the continuous draining feature is not being used, remove the drain hose from the outlet, and dry the water in the continuous drain hose outlet.
3. Pump draining (Pump models only)
   • Water can be automatically emptied into a floor drain or a suitable drainage facility by attaching the pump drain out with a pump drain hose (Ø od = 1/4”, supplied).
     • Remove the continuous drain hose from the unit and install the plastic cover to the continuous drain hose outlet of the unit by clockwise rotation. (See Fig. 11)
     • Insert the pump drain hose into the pump drain hose outlet for at least 15mm (See Fig. 11), then lead the water hose to the floor drain or a suitable drainage facility.
     • Press the pump pad on the unit to activate the pump operation. When the bucket is full the pump starts to work.
     • 
       • NOTE The pump may generate a loud noise when it starts to work for 3 ~ 5 minutes.
     • Make sure the hose is secure so there are no leaks.
     • Direct the hose toward the drain, making sure that there are no kinks that will stop the water flowing.
     • Place the end of the hose into the drain.
     • Select the desired humidity setting and fan speed on the unit for pump draining to start.
     • NOTE The pump operation light blinks when a failure occurs. Please turn off the unit and disconnect the power cord. Check the following things:
       • Cleaning the pump filter:
         • Remove the bucket from the unit, take down the pump and clean the pump filter (See Fig. 12).
       • Check if the drain hose is clean and free of debris.
       • Empty the water of the bucket.
       • Check the hose connection and the bucket for proper fitting. If the error persists, contact Customer Service.
       • 
     • NOTE Do not use this operation when the outdoor temperature is equal to or less than 0°C (32°F), otherwise water may become ice causing the water house to be blocked and the unit to stop operating. Make sure to empty the bucket at least once a week a week when using the pump draining feature. When the pump draining feature is not being used, remove the pump drain hose from the outlet.

Care and Cleaning

Turn the dehumidifier off and disconnect the plug from the wall before cleaning.

1. Clean the Grill and Case

• Use water and a mild detergent. Do not use bleach or abrasives.
• Do not splash water directly onto the unit. Doing so may cause an electrical shock, cause the insulation to deteriorate, or cause the unit to rust.
• The air intake and outlet may get dirty during operation, use a vacuum cleaner or brush to clean.

2. Clean the bucket

Every few weeks, clean the bucket thoroughly to prevent growth of mold, mildew and bacteria. Partially fill the bucket with clean water and mild detergent. Swish it around in the bucket, empty and rinse.

NOTE Do not use a dishwasher to clean the bucket.

3. Clean the air filter

• To remove the filter, pull filter outwards (See Fig. 14).
• Wash the filter with clean water then dry.
• Re-install the filter, replace bucket.

4. When not using the unit for long time periods

• Before storing the unit, let it rest for one full day so that the system can dry out naturally.
• Clean the unit, water bucket and air filter.
• Wrap the cord with the power cord buckle.
• Cover the unit with a plastic bag.
• Store the unit upright in a dry, well-ventilated place

Troubleshooting

Before calling for service, review this list. It may save you time and money. This list includes common occurrences that are not the result of defective workmanship or materials in this appliance.

Problem & Solution

1. Unit does not start
   • Make sure the dehumidifiers plug is connected firmly into the wall outlet.
   • Check the house fuse/circuit breaker box.
   • Dehumidifier has reached its preset level or bucket is full.
   • Water bucket is not in the proper position.
2. Dehumidifier does not dry the air as it should
   • Not enough time to remove the moisture.
   • Make sure there are no curtains, blinds or furniture blocking the front or back of the dehumidifier.
   • The humidity control may not be set low enough.
   • Check that all doors, windows and other openings are securely closed.
   • Room temperature is too low, below 5°C(41°F). There is a water vapor source in the room.
3. The unit makes a loud noise when operating
   • Air filter may be dirty. Clean filter. Refer to Care and Cleaning section.
   • The unit is tilted instead of upright as it should be.
   • The floor surface is not level.
4. Frost appears on the coils
   • This is normal. The dehumidifier has Auto defrost feature.
5. Water on floor
   • Hose to connector or hose connection may be loose.
   • Intend to use the bucket to collect water, but the back drain plug is removed.
6. ES, AS, P2, EC, Eb and E3 appear in the display
   • These are error codes and protection code. Check Operating Instructions.
7. The pump operation on light blinks at 1 Hz
   • Clean the pump filter.
   • Check the pump hose is not blocked or leaking.
   • Empty the water bucket