e_mj_e26vx_a1(01_23)33j.qk 05.12.20 10:15 AM ページ 1 MITSUBISHI ELECTRIC ADVANCED AND EVER ADVANCING 2005 DEHUMIDIFIER SERVICE MANUAL Model MJ-E26VX-A1 Sold from 2005 CONTENTS 1. 2. 3. 4. 5. 6. 7. PRODUCT SPECIFICATIONS........................................................................................ 2 OUTER DIMENSIONS .................................................................................................... 3 TIPS ON DEHUMIDIFYING......................................................
1. Product Specifications MJ-E26VX-A1 Model 50 Hz Dehumidifying capacity 26.0 Low temp, laundry 47 Auto-dehumidification, low 39 Single phase, 230-240V, 50Hz Power supply (phases,V,Hz) Power consumption (W) 415 Operating current (A) 1.9 Starting current (A) 8.5 White (W) Color tone 594 × 372 × 281 Dimensions (H × W × D mm) 15.
2. Outer Dimensions 3. Tips on Dehumidifying Drain the water tank before use Installing your dehumidifier Refrain from opening doors/windows during operation Make sure to leave some space around the unit. At least 50 cm At least 20 cm Drying laundry indoors ¡Thoroughly spin-dry the laundry and hang so there are no wrinkles. ¡Direct the louvres at the laundry. ¡Space laundry to improve airflow. At least 2 cm At least 20 cm At least 20 cm Use the dehumidifier in a small, enclosed room.
. External View, Parts and Display Section Front Back Louvre Main Air Outlet Handle Raise handle to transport Control panel Washable photocatalytic filter (hereafter: photocatalytic filter) Supplied with unit. Set before use. Rear Air Intake Downward louvre Pre-filter The pre-filter is made from two layers: a blue air filter and a white particle filter. These layers cannot be separated.
Modes ¡ EASY DEHUMIDIFYING ¡ LAUNDRY The unit operates intermittently controlling the airflow to remove the damp feeling in the air. (There is no need to set the humidity level) When the room temperature is high, the blower operates to decrease the damp feeling. The unit operates for 12 hours and automatically switches off. 50 0 20 Room temperature is below 27°C - the unit automatically sets the humidity level according to the temperature.
¡ AUTO Information The unit maintains the humidity level by automatically controlling airflow and operating intermittently as necessary. All you have to do is set the humidity level. ¡ The unit turns off when current humidity drops blow the set humidity level (airflow and louvre stop). The unit restarts when humidity rises above the set level. ¡ The unit operates for 6 minutes continuously regardless of the humidity level immediately after turning the power on.
e_mj_e26vx_a1(01_23)33j.qk 05.12.20 11:32 AM ページ 7 ¡ To dry the inside The inside of the unit can be dried to suppress mildew growth on the cooler. On days the dehumidifier is used, internal drying (drying the inside) is recommended. Automatic operation To activate internal drying after every use. Press while the unit is on ¡Internal drying standby (Mildew guard elite lamp lit) Manual operation To activate internal drying by pressing a button.
[Timer Operation] OFF timer operation ON timer operation The OFF timer can be set for 1 to 9 hours. Set the timer when the power is switched on. The ON timer can be set for 1 to 9 hours. Set the timer when the power is switched off. 2 3 421 1 2 3 4 4 2 3 1・5 3 To set To set 1 2 Switch the power on. Select operating mode. Switch the power off. Set the time you wish the unit to turn on. Select desired operating mode. Change the louvre swing direction. Select the desired setting.
5. Technical points 5.1 The technical points of the new products 1) Internal drying During dehumidification, moisture accumulates on the heat exchanger. If left, this can lead to mildew growth, which is circulated around the room with the air discharge. Internal drying starts automatically after operation, and dries any moisture inside the unit. 2) Powerful 26-litre/day dehumidifying The uncomfortable damp feeling caused by humidity is something that needs to be removed quickly.
5.2 Operation and Performance Working temperature Defrosting Dehumidification is possible with a room temperature of 1 – 35°C. If the room temperature exceeds 35°C, however, the temperature inside the unit will increase; therefore, the protective device may activate and halt operation in some cases. For this reason, the louvres should be aimed upward.
e_mj_e26vx_a1(01_23)33j.qk 05.12.20 10:16 AM ページ 11 5.3 Coolant Circuit φ7.00 Compressor Coolant flow Dehumidifying Defrosting φ5 φ5 φ9.52 Tube temperature sensing thermistor Solenoid valve (closed when dehumidifying and open when defrosting) Heat exchanger (heat radiation) Blow Fan Capillary tube φ5.0 × φ4.0 φ6.35 Humidity sensor Heat exchanger (cooling) φ6.35 Intake Room temperature sensing thermistor φ6.35 Capillary tube φ2.0 × φ0.85 × 200 5.
6. Maintenance Maintenance Do not use detergents, cleaning agents for heat exchange equipment, abrasive powders, chemically treated dusters, gasoline, benzene, thinners or other solvents, as they can damage the unit or the water tank, which may result in leakage. Cleaning Water tank · Main unit Wipe with a soft cloth. Once every three months Photocatalytic filter Soaking the filter in water, and leaving it to dry in the sun renews the performance and prolongs service life.
Removing Water from the Tank The unit automatically shuts down and lights the Tank full lamp when the tank (approximately 5L) is full. Empty the tank. 1 Remove the water tank. 3 Reattach the tank lid and replace the water tank. Grasp handle and slide out. Check the lid and guard are secure. Slide the tank in with both hands (you should hear a beep.) ¡ Secure the lid and guard properly or else the tank may become stuck.
e_mj_e26vx_a1(01_23)33j.qk 05.12.20 11:33 AM ページ 14 Replacement Parts The photocatalytic filter becomes depleted over time. Replace them when necessary. Replacing the photocatalytic filter Although the photocatalytic filter lasts roughly 2 years, replace it when: ¡ You have soaked the filter 8 times. ¡ The photocatalytic filter has turned brown due to cigarette smoke or black with dust. Filter life differs on usage and environmental conditions. Remove the pre-filter and replace the photocatalytic filter.
7. Wiring Diagram and Block Diagram CM R FM SV S Solenoid valve Overload relay C Fan motor Compressor 7.
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1 Specifications shared at all operation modes The compressor and blower fan will operate for about 6 minutes after turning on the operation switch or activating the compressor, regardless of humidity or temperature levels. 2 Humidity set operation Compressor and blower fan operation will switch by current humidity and set temperature.
5 Easy Dehumidifier 22°C Temperature 20°C 29°C Current humidity Temperature table 0 1 – Set humidity Set humidity 60% 50% Dehumidification Dehumidifier mode Dehumidifier mode Fan rank Compressor +5% +3% Fan rank Compressor Fan rank Compressor +1% –1% 36°C 27°C Rank 3 ON Rank 1 ON Rank 0 OFF Rank 3 ON Rank 1 ON Rank 0 OFF 34°C 2 3 60% Circulate 50% Dehumidifier mode 60% Circulate To Dehumidifier mode Rank 3 ON Rank 2 ON To Dehumidifier mode Rank 3 OFF To Circulate mode Rank 5 OFF 50% D
6 Internal drying 1. Controls (a) Prevents the growth of mildew by drying the moisture accumulated on the heat exchanger when the dehumidifier is OFF. (b) Internal drying operation does not depend on having a full water level. (c) The following operations are performed during internal drying operation. Target part Compressor Airflow fan Solenoid valve Louvre Operation ON/OFF Rank control OFF Stops at 90° 2.
Swing ON Mildew guard elite lamp Buzzer Louvre indicator (For swing ON only) Louvre Swing OFF Low temp indicator High humidity warning Tube temperature Humidity Tank full indicator Float switch Solenoid valve Fan Compressor Mode indicator Power button ON OFF OFF ON OFF ON OFF ON OFF ON Close OFF ON OFF ON ON 0°C 12°C 61% 60% 59% OFF OFF ON OFF ON OFF ON OFF ON OFF ON OFF ON Mode button Stops at 90˚ Max 3 min Mode button Low temp Mode button Low (Continuous) Milde
Swing ON Mildew guard elite lamp Buzzer Louvre indicator Louvre Swing OFF Low temp indicator High humidity warning Tube temperature Humidity Tank full indicator Float switch Solenoid valve Fan Compressor Mode indicator Power button OFF OFF ON OFF ON OFF ON OFF ON OFF ON OFF ON ON 0°C 12°C 75% OFF OFF ON OFF ON OFF ON OFF ON OFF ON OFF ON ON 40 min elapsed Defrosting start Lights when room temperature is below 14˚C Dehumidification mode Defrost count start Tank ful
Swing ON Mildew guard elite lamp Buzzer Louvre indicator Louvre Swing OFF Low temp indicator High humidity warning Tube temperature Humidity Tank full indicator Float switch Solenoid valve Fan Compressor Mode indicator Power button OFF OFF ON OFF ON OFF ON OFF ON OFF ON OFF ON ON 0°C 12°C 75% OFF OFF ON OFF ON OFF ON OFF ON OFF ON OFF ON ON ON timer ON 1 hour Indicates swing area only ON timer Power ON ON (set to 2 hours) 2 hours OFF timer OFF timer ON ON 1 hour S
Swing ON Mildew guard elite lamp Buzzer Louvre indicator Louvre Swing OFF Low temp indicator High humidity warning Tube temperature Humidity Tank full indicator Float switch Solenoid valve Fan Compressor Mode indicator Power button ON OFF OFF ON OFF ON OFF ON OFF ON OFF ON OFF ON ON 0°C 45°C 75% OFF OFF ON OFF ON OFF ON OFF ON OFF ON OFF ON Air purifier Dehumidifier mode Mildew guard elite Air purifier (internal drying) Indicates swing mode Lights when room temperatur
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e_mj_e26vx_a1(24_33)33j.qk 05.12.20 10:17 AM ページ 26 8. Troubleshooting Procedure 8.1 Troubleshooting flowchart The unit does not operate Start Check AC power supply Abnormal Restore AC power supply Normal Blown Has the fuse blown out? Replace fuse Not blown Is the float switch turned on? OFF Mechanical check ON • Correct defects. • Replace the switch if defective.
A Step 3 Does the compressor operate? (NO if stalled) NO *The compressor does not operate for 3 minutes after turning the power ON or OFF.
8.2 Key Component Check Procedures Component name Tub temperature sensing thermistor P11 Room temperature and humidity sensor board Testing procedure Detach the connector and measure the resistance using a multimeter (component temperature: 10°C to 30°C). Normal Abnormal Between P11 pins: 8.0kΩ to 20.8kΩ Open or shorted Detach the connector and measure the resistance using a multimeter (component temperature: 10°C to 30°C).
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(2) LED, LCD and fan tests ●Start: Press the MODE and HUMIDITY SELECTION buttons simultameously 4 times when the power is off. Press the POWER button within 2 seconds. ●Mode select: Use the timer switch to change the diagnosis mode (0 - 5). ●Finish: Turn the power OFF. The solenoid valves operate for approximately 3 seconds.
9. Disassembly and Reassembly Hints 9.1 Disassembly procedure 1. Remove the filter and the water tank Picture 2 (See Pictures 1 and 2.) Filter Picture 1 Front panel setscrews (2 on each side of the front) Water tank Rear panel Rear panel setscrews (3 on each side) 2. Detach the rear panel Picture 3 Step 1) Remove the rear panel setscrews (6). 2) Pull out the rear panel. Front panel setscrew (one on each side of the rear) (See Picture 2.) (See Picture 3.) 3.
<> Step 1) Detach the connector cover. 2) Pull out the board connectors. 3) Pull out the board holder assembly setscrews (2) and remove the holder assembly. 4) Open the cover by unhooking if from the board holder. (See Picture 7.) 5) Remove the compressor capacitor and the connector (P4), demount the board and remove mica sheet. (See Picture 8.
5. Removing the drain pan assembly Step 1) Remove the front pan assembly, rear panel, and blower fan assembly as directed in Procedures 1 to 4. 2) Remove filament tapes from the left and right hooks between the drain pan and base and from the middle (3). 3) With the heat exchangers (heat radiation, cooling) lifted on the right side, raise the drain pan upward to unhook it from the base. 4) Remove the drain pan assembly avoiding the heat exchanger and piping.
Parts Catalog Model MJ-E26VX-A1 Exploded View 15 11 E e 13 12 C 10 9 B f D 8 b 6 c 7 a d 14 A 4 5 3 2 34 1
Parts Catalog Model MJ-E26VX-A1 Parts List Notes: 1. Circled reference numbers indicate performance parts. 2. New parts and the parts that are used only with these models lack compatibility. 3. Those parts that are marked by and are of critical importance for sustaining safety and performance. Use specified parts atreplacement. 4. When ordering parts without part numbers, use the design number. The order may take a while to process. Exploded View Matching No. Part No.
Parts Catalog Model MJ-E26VX-A1 Exploded View 30 31 32 e I f H 26 29 25 27 28 K 24 J 22 23 G 37 21 b 33 c 34 35 20 F a d 36 36 Be careful not to overtighten.
Parts Catalog Model MJ-E26VX-A1 Parts List Notes: 1. Circled reference numbers indicate performance parts. 2. New parts and the parts that are used only with these models lack compatibility. 3. Those parts that are marked by and are of critical importance for sustaining safety and performance. Use specified parts atreplacement. 4. When ordering parts without part numbers, use the design number. The order may take a while to process. Exploded View Matching No.
Parts Catalog Model MJ-E26VX-A1 Exploded View 14 9 12 10 B 11 1 A 4 13 F 2 5 C 8 D E 3 38 7 6
Parts Catalog Model MJ-E26VX-A1 Parts List Notes: 1. Circled reference numbers indicate performance parts. 2. New parts and the parts that are used only with these models lack compatibility. 3. Those parts that are marked by and are of critical importance for sustaining safety and performance. Use specified parts atreplacement. 4. When ordering parts without part numbers, use the design number. The order may take a while to process. Exploded View Matching No. Part Name Part No.
Parts Catalog Model MJ-E26VX-A1 Exploded View 17 3 14 19 13 12 15 20 A 4 1 2 16 11 18 5 6 21 7 22 8 9 23 10 40
Parts Catalog Model MJ-E26VX-A1 Parts List Notes: 1. Circled reference numbers indicate performance parts. 2. New parts and the parts that are used only with these models lack compatibility. 3. Those parts that are marked by and are of critical importance for sustaining safety and performance. Use specified parts atreplacement. 4. When ordering parts without part numbers, use the design number. The order may take a while to process. Exploded View Matching No.
11. Troubleshooting Symptom Cause/Remedy The unit blows warm air ¡ Dehumidified air passes through heating coils causing it to warm (this unit is not a cooler). This is not a malfunction. Water does not collect in the water tank (minimal dehumidifying results) ¡ Check to see if the temperature/humidity is low. Low room temperature/humidity reduces dehumidifying effectiveness.
Cause/Remedy Symptom The unit makes noises The operating noise is loud/reverberates ¡ Check to see if the unit is on a slope or uneven surface. ➝ Move to a sturdy even surface. ¡ Check to see if the pre-filter is clogged. ➝ Clean according to the maintenance procedures ¡ Operating the unit in small rooms or in tight spaces sometimes causes the sound to reverberate. ➝ Place a mat underneath the unit.
Precautions The following diagrams indicate circumstances where danger can result from mishandling the unit. WARNING Mishandling may result in fatal or serious injuries. CAUTION Mishandling may result in injuries or damage to your home or property, etc. Meanings of the graphic symbols used in this manual and on the unit are explained below.
CAUTION Do not cover the front or side air intakes or the air outlet with cloth, curtain, etc. Do not use the unit in places that may be subject to oil or flammable gas leakage. This results in poor ventilation and may cause heat generation/fire. Such a leak around the unit may cause combustion and fire. Do not stand on, sit on or lean against the unit. Do not pull the unit by the air outlet. As the unit is on wheels, it may move, tip over, or fall causing personal injury.
Precautions (cont.) CAUTION After emptying the tank, transport the unit by grasping the handle firmly. Losing your footing while carrying the unit may cause personal injury or damage to the floor. When using the continuous drainage outlet, make sure to position the hose so that the water drains without obstruction. The water in the tank may leak and damage surrounding objects. When draining water continuously or left unattended for long periods, inspect the unit every two weeks.
Issued in 2005.
