Related Manuals for mundoclima MU-WZ Series
Summary of Contents for mundoclima MU-WZ Series
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Page 1: Service Manual
AIR CONDITIONER WITHOUT OUTDOOR UNIT Service manual MU-WZ Series CL19782 English www.mundoclima.com... - Page 2 Index Index Main Features Certification ( CE EMC Certification ( CE- EMC – RoHS ) RoHS ) Overall Dimensions Explosion view and parts list Rated technical data and 5.1) Performance data Performance data Energy label Noise level ( Indoor – Outdoor ) Installation Electric wiring Electric wiring...
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Page 3: Main Features
1.Main features Double ducted machine is different with the normal split type air conditioner, and there is no outdoor unit. It is a special solution for commercial and residential buildings. Th t i d The twin-duct system eliminates security breaches and offers a great look to the building, as only li i it b d ff... -
Page 4: Packing Method
1.1 Packing method... - Page 5 2. Certificatin 2.1 CE-EMC...
- Page 6 2.2 CE-LVD...
- Page 7 2.3 RoHS...
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Page 9: Overall Dimensions
3. Overall Dimensions... -
Page 10: Explosion View And Parts List
4. Explosion view and parts list WZ-32 Explosion view... -
Page 11: Parts List
WZ-32 Parts list No. in ZYMBO code Explosive Chinese Name English Name Remarks View 顶钣金组件 R122160384 Top cover assy. 左盖板 R127040627 Left cover PCB 固定板 R127030204 Fixture for PCB including PCB 板 R131010481 R131190043/44/60 R138140570 后盖板海绵（压） Back insulation material(comp side) 后盖板... - Page 12 底板海绵 R138140566 Basic pan insulation material 电加热组件 R131190062 Electrical heater assy. Compressor capacitor insulation 电容底海绵 R138140573 material 压缩机电容 R131150005 Capacitor for compressor 底钣金 R140140068 Basic pan 支撑板 R127020536 Link plate 压缩机安装板 R127020522 Compressor mounting sheet 压缩机底海绵 R138140567 Compressor bottom insulation material 冷凝器组件...
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Page 13: Rated Technical Data
5.Rated technical data Descriptions Unit WZ-32 3348(11400) 3348(11400) Cooling capacity Cooling capacity W (Btu/h) W (Btu/h) Heating capacity W (Btu/h) 3762(12840) Rated voltage Frequency 1287 Absorbed power in cooling Absorbed current in cooling Absorbed power in heating 1214 Absorbed current in heating EER label ( Cooling Mode ) BCDEFG COP label ( Heating Mode ) -
Page 14: Cooling Test
Cooling test... - Page 15 Heating pump test (no heater)
- Page 16 Heating pump test (no heater)
- Page 17 Heating pump test (no heater)
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Page 18: Energy Label
6. Energy label... - Page 19 7. Noise level (Indoor – Outdoor) **The Noise test is done in semi reverberant room , with ambient noise level 23 dB(A) , the structure is not perfectly appropriate for the double ducted machine , for this reason the noise level is correct around - 3, 5 dB(A) calculated . SPL (Sound Pressure Level) dB(A) MIN Speed MED Speed...
- Page 20 7.1. Noise level ( Indoor Fan Mode )
- Page 21 7.2. Noise level ( Indoor Cooling- Heating Mode )
- Page 22 7.3. Noise level ( Outdoor Cooling – Heating Mode )
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Page 23: Installation
8. Installation... - Page 25 8.1 Positioning the air conditioner (P3) To maintain the best performance from your air conditioner, prevent breakdowns or hazards, you must position it correctly. Please follow the guidelines and instruction below in full, as failure to do so could cause potential installation problems. •...
- Page 26 Drainage hole (P13) This air conditioner has a double system to drain the condensate moisture automatically. Before install the air conditioner, choose which is the suitable system for your installation. Please read carefully the following instruction. System “A” : drill a hole through the wall measuring 30mm in diameter in the position shown in the “A”...
- Page 27 8.6 Fitting the gratings (P7,P8,P9,P10) To fit the external two gratings, please proceed as followings: familiarise yourself with the fitting of the grating to the tube before installation. Insert the cords through the centre of the grating. One grating fits on the outside of the tube and the other fits inside. The air discharge is the bigger hole t id f th t b d th...
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Page 28: Electric Wiring
9. Electric wiring... -
Page 29: Main Technical Index
10. Description of software operation 10.1 Main technical index PCB h PCB should be according with the following conditions: ld b ith th f ll diti • Measured from the receiver，the receiving distance of remote control≥8m，receiving angle≤60°cone angle； • Discrepancy of temperature control≤±1℃； •... - Page 30 10.3.2 Cooling mode 10.3.2.1 Setting temperature range：18℃-30℃。 10.3.2.2 Compressor working conditions： a. Compressor works when RT≥ST+1℃； b. Compressor stops when RT ≤ST-1℃； c. -1℃＜RT-ST＜+1℃，compressor maintains the original state。 (RT: room temperature, ST: setting temperature) 10.3.2.3 Four-way valve working conditions: no power supply. 10.3.2.4 Outdoor fan motor would start or close same time as the compressor.
- Page 31 10.3.4 Heating mode 10.3.4.1 Setting temperature range：18℃-30℃。 10.3.4.2 Compressor working conditions： a. Compressor starts condition: RT≤ST+1℃. b. Compressor stops condition: RT＞ST+3℃； c. +1℃＜ST-RT≤+3℃，compressor keeps original working state。 (RT: room temperature, ST: setting temperature) 10.3.4.3 When machine works first time, unit would not check room temperature, and compressor starts directly.
- Page 32 10.3.4.9 Defrost function in heating mode: (controlled by outdoor coil sensor) 10.3.4.9.1 Defrost conditions:( controlled by outdoor coil sensor) 1. unit goes into heating pump or works after defrost cycle for 30 minutes 2. compressor continuously runs over 5 minutes, 3.
- Page 33 10.3.5 Fan mode 10.3.5.1 Compressor working state: stop 10.3.5.2 Four-way valve: out of electric power supply. 10 3 5 3 Outdoor unit fan motor: stop 10.3.5.3 Outdoor unit fan motor: stop 10.3.5.4 Indoor unit fan motor: have auto, low, middle and high speed, same with the cooling mode. 10.3.6 Sleeping mode 10.3.6.1 Sleeping mode only works in Heating or Cooling mode, or cooling/heating under Auto function.
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Page 34: Protection Function
10.3.7 Timer function 10.3.7.1 Pressing Timer button on remote control to set Timer Off during unit is working, and set Timer On during unit is close. 10.3.7.2 Temperature rising key in the remote control is hour setting, each pressing will increase one hour, and every cycle is 24 hours. - Page 35 10.5.4 Sensor damage protection 10.5.4.1 Room temperature sensor failure: If room temperature is lower than -40℃ or higher than 120℃，room temperature sensor is supposed to be damaged unit goes into protection mode as below and unit will display E1 and work as below: be damaged, unit goes into protection mode as below, and unit will display E1 and work as below: a.
- Page 36 10.6 Combination button function With this function, outdoor condenser fan could only work with low speed for noise purpose. 1. Unit should be with standby condition. 2. Click “FAN” and “MODE” buttons on the command on board same time, and listen “beep” times from main PCB main PCB.
- Page 37 NTC sensor table: R25=5.0K 1% Resistance Resistance Resistance Resistance Temp°C Temp°C Temp°C Temp°C value value value value 14.8903 14.8903 4.6300 4.6300 1.7216 1.7216 0.733 0.733 14.2293 4.4569 1.6663 0.713 13.6017 4.2912 1.6131 0.693 13.0055 4.1327 1.5618 0.674 12.4391 3.9808 1.5123 0.655 11.9008 3.8354...
- Page 38 11. Precaution When using electrical appliances, basic safety precaution should always be followed: • Do not place objects on the product or allow objects to obstruct the inlet or outlet openings. Extreme care should be taken when any product is used by, or near children and pets, and whenever the ld b t k hild product is left operating and unattended.
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Page 39: Ordinary Maintenance
12. Ordinary maintenance See pictures P15,P16,P17,P18,P19,P20 12.1 Filter cleaning: The filters should be regularly cleaned to keep the air conditioner running efficiently. Clean the filters every two weeks. How to proceed: • Disconnection the air conditioner from the electrical supply. •... -
Page 40: Problem And Solution
13. Problem and solution Problem possible causes • The air conditioner does not work • The air conditioner does not refrigerate the room diti t th • Strange smell in the room. Water drips from the air conditioner. • The remote control doest not work. •... - Page 41 ASK FOR MORE INFORMATION Phone: (+34) 93 446 27 81 eMail: info@mundoclima.com TECHNICAL ASSISTANCE Phone: (+34) 93 652 53 57 www.mundoclima.com...
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