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Summary of Contents for mundoclima MH-40-V5
- Page 1 DESHUMIDIFIER MH-40-V5 Service manual HU10504 English www.mundoclima.com...
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Page 2: Table Of Contents
CONTENTS 1. Precaution ............................. 1 1.1 Safety Precaution ..........................1 1.2 Warning ............................... 1 2. Display ..............................5 3. Dimension ............................. 6 4. Refrigerant Cycle Diagram ........................7 5. Wiring Diagram ............................. 8 ... -
Page 3: Precaution
1. Precaution 1.1 Safety Precaution To prevent injury to the user or other people and property damage, the following instructions must be followed. Incorrect operation due to ignoring instruction will cause harm or damage. Before service unit, be sure to read this service manual at first. 1.2 Warning ... - Page 4 It may cause injury, accident, or damage to the product. Be sure the installation area does not deteriorate with age. If the base collapses, the air conditioner could fall with it, causing property damage, product failure, and personal injury. ...
- Page 5 There is risk of physical injury, electric shock, or product failure. When the product is soaked (flooded or submerged), contact an Authorized service center. There is risk of fire or electric shock. Be caution that water could not enter the product. There is risk of fire, electric shock, or product damage.
- Page 6 Do not use the product for special purposes, such as preserving foods, works of art, etc. It is a consumer air conditioner, not a precision refrigerant system There is risk of damage or loss of property. Do not block the inlet or outlet of air flow. It may cause product failure.
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Page 7: Display
2. Display Control pads: Press to activate the continuous dehumidifying operation (1) FILTER pad The check filter feature is a reminder to clean the Air Filter for more efficient operation. The Filter light(Clean filter l ight) will illuminate after 250 hours of operation. To reset after cleaning the filter, press the Filter pad and the light will go off.. -
Page 8: Dimension
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 Codes such as”AS,ES, P2,EC,E3,Eb”. 3. Dimension Model W(mm) H(mm) D(mm) MH-40-V5... -
Page 9: Refrigerant Cycle Diagram
4. Refrigerant Cycle Diagram The figure below is a brief description of the important components and their function in what is called the refrigeration system. -
Page 10: Wiring Diagram
5. Wiring Diagram 6. Features ※ LED display ※ Auto restart ※ Optional function: Healthy filter ※ Continuous dehumidification function ※ Water full protection ※ Timer function ※ Auto defrost ※ Omni directional caster ※ Self-diagnosis and auto-protection function. ※... -
Page 11: Electronic Function
7 .Electronic function 7.1 Electric part assembly condition that use ℃ ℃ (1).Working environment: 5 ~+35 (2).The humidity of electric part working environment: 30%RH~90%RH; ℃ ℃ (3).The electric storage working temperature:-20 ~+70 7.2 PCB working environment (1).Tolerance of measure indoor side humidity: ±5%RH, the scope of application: 35%RH~85%RH; ℃... -
Page 12: Set Humidity Operation
7.4 Set humidity operation (1).In this operation, the range of work is 35%RH-85%RH. (2).The fan keeps the same speed as last mode. (3).The action of compressor in this operation is like the below graph show: Compressor on Hs+5% Compressor off Ha ：... -
Page 13: Basic Test Procedure
8 Basic test procedure 8.1 Defective compressor Compressors are single phase, depending on the model unit. All compressor motors are permanent split capacitor type using only a running capacitor across the start and run terminal. All compressors are internally spring mounted and externally mounted on rubber isolators. 8.1.1 Compressor wiring test Remove compressor terminal box cover and disconnect wires from terminals. - Page 14 2. Attach gauges to the high and low sides of the system. 3. Start the system and run a “cooling or heating performance test.” If test shows: A. Below normal high side pressure. B. Above normal low side pressure. C. Low temperature difference across coil. The compressor valves are faulty - replace the compressor 8.1.4 Terminal overload (external) Some compressors are equipped with an external overload which is located in the compressor...
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Page 15: Sealed Refrigeration System Repairs
8.2 Sealed refrigeration system repairs 8.2.1 Equipment require 1. Voltmeter 2. Ammeter 3. Ohmmeter 4. E.P.A. Approved Refrigerant Recovery System. 5. Vacuum Pump (capable of 200 microns or less vacuum.) 6. Acetylene Welder 7. Electronic Halogen Leak Detector (G.E. Type H-6 or equivalent.) 8. - Page 16 5. Replace inoperative component, and always install a new filter drier. Drift dry nitrogen through the system when making these connections. 6. Pressurize system to 30 PSIG with proper refrigerant and boost refrigerant pressure to 150 PSIG with dry nitrogen. 7.
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Page 17: Fan Motor
insure correct connections. 8.2.6 Refrigerant charge 1. The refrigerant charge is extremely critical. It must be measured charge carefully - as exact as possible to the nameplate charge. 2. The correct method for charging the rotary is to introduce liquid refrigerant into the high side of the system with the unit off. -
Page 18: Characteristic Of Temperature Sensor
Capacitor test: 1. Remove capacitor from unit. 2. Check for visual damage such as bulges, cracks, or leaks 3. For dual rated, apply an ohmmeter lead to common (C) terminal and the other probe to the compressor (HERM) terminal. A satisfactory capacitor will cause a deflection on the pointer, and then gradually move back to infinity. - Page 19 37.1988 9.5507 3.0707 35.2024 9.1245 2.959 33.3269 8.7198 2.8442 31.5635 8.3357 2.7382 29.9058 7.9708 2.6368 28.3459 7.6241 2.5397 26.8778 7.2946 2.4468 25.4954 6.9814 2.3577 24.1932 6.6835 2.2725 22.5662 6.4002 2.1907 21.8094 6.1306 2.1124 20.7184 5.8736 2.0373 19.6891 5.6296 1.9653 18.7177 5.3969 1.8963 17.8005...
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Page 20: Troubleshooting
10 Troubleshooting In general, possible trouble is classified in three kinds. One is called Starting Failure which is caused from an electrical defect, another is ineffective Air Conditioning caused by a defect in the refrigeration circuit and improper application, and the other is called the Structure Damage. Problem What to check ●Make sure the dehumidifier s plug is pushed completely into the outlet. - Page 21 ASK FOR MORE INFORMATION Phone: (+34) 93 446 27 80 eMail: info@mundoclima.com TECHNICAL ASSISTANCE Phone: (+34) 93 652 53 57 www.mundoclima.com...
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