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MUND CLIMA MUCH-20-H4 Operation Manual

The ducted split type air conditioning units
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Operation Manual of The Ducted Split Type
Please read this manual carefully before using this product and keep it properly for future reference.
Air-Conditioning Units
Applicable Models :
FG(R)20/BNa-M FG(R)25/BNa-M
FG(R)30/BNa-M FG(R)40/BNa-M
MUCH-20-H4
MUCH-25-H4
MUCH-30-H4
MUCH-40-H4
Installation and Operation Manual

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Summary of Contents for MUND CLIMA MUCH-20-H4

  • Page 1 Installation and Operation Manual Operation Manual of The Ducted Split Type Air-Conditioning Units Applicable Models : FG(R)20/BNa-M FG(R)25/BNa-M FG(R)30/BNa-M FG(R)40/BNa-M MUCH-20-H4 MUCH-25-H4 MUCH-30-H4 MUCH-40-H4 Please read this manual carefully before using this product and keep it properly for future reference.
  • Page 2 User Notice MUNDOCLIMA series ducted air-conditioning units are elaborately designed and produced with high quality, reliability and adaptability. Please read this instruction thoroughly before operation and maintenance. The installation should be carried out by the qualified service technicians. MUNDOCLIMA will not be responsible for the personal injury or property damage resulting from improper installation and adjustment, unnecessary maintenance and those do not follow the instructions in this manual.

  • Page 3: Table Of Contents

    Contents 1 Safety precautions ....................1 1.1 Safety notice ......................1 1.2 Power supply demand .................... 1 2 Displaying Part ..................... 2 2.1 LCD Display of Wired Controller ................2 2.2 Instruction to LCD Display ..................3 3 Buttons ......................... 4 3.1 Silk Screen of Buttons ....................
  • Page 4 5.15 Other Functions ....................... 16 6 Error Display ......................17 7 Names and functions of remote control buttons .............18 8 Changing batteries and notices ................20 9 Weekly Timer Function ...................21 10 Installation instruction ..................22 10.1 Selection proper installation location ..............22 10.2 Install the indoor unit ....................

  • Page 5: Safety Precautions

    Ducted Split Type Air-Conditioning 1 Safety precautions 1.1 Safety notice Before using the appliance, read this manual thoroughly and operate under its direction. “WARNING” and “ATTENTION” have the following meanings in these instructions: WARNING This mark indicates procedures, which if improperly performed, might lead to the death or serious injury of the users.

  • Page 6: Displaying Part

    Ducted Split Type Air-Conditioning 2 Displaying Part Fig.2.1 Outline of wired controller 2.1 LCD Display of Wired Controller 9 10 11 12 13 14 15 16 17 18 19 20 Fig.2.2 LCD display...

  • Page 7: Instruction To Lcd Display

    Ducted Split Type Air-Conditioning 2.2 Instruction to LCD Display Description Instruction to Displaying Contents Swing Swing function Air exchange function Sleep Sleeping states Running mode Each kind of running mode of indoor unit (auto mode) Cooling Cooling mode Dry mode Heating Heating mode Defrost...

  • Page 8: Buttons

    Ducted Split Type Air-Conditioning 3 Buttons 3.1 Silk Screen of Buttons Fig. 3.1 Silk screen of buttons 3.2 Instruction to Function of Buttons Description Function of Button (1) Function selection and canceling; Enter/cancel (2) Press it for 5s to enquiry the outdoor ambient temperature. (1) Running temperature setting of indoor unit, range :16~30 ▲...

  • Page 9: Installation Of Wired Controller And Project Debugging

    Ducted Split Type Air-Conditioning 4 Installation of Wired Controller and Project Debugging 4.1 Installation of Wired Controller Fig.4.1: Sketch for Installation of Wired Controller Socket’s base box Soleplate of Front panel of Description installed in the Screw M4X25 Screw ST2.2X6.5 controller controller wall...

  • Page 10: Instruction To Operation

    Ducted Split Type Air-Conditioning 5 Instruction to Operation 5.1 On/Off Press On/Off button to turn on the unit. Repress this button to turn off the unit. Note: The state shown in Fig.5.1 indicates off state of the unit after energization. The state shown in Fig.5.2 indicates on state of the unit after energization.

  • Page 11: Fan Speed Setting

    Ducted Split Type Air-Conditioning 5.4 Fan Speed Setting * Under on/off state of the unit, press Fan button, fan speed of indoor unit will change as below: As shown in Fig.5.4 Fig.5.4 (Indoor unit about FG(R)20/BNa-M,FG(R)25/BNa-M,FG(R)30/BNa-M and FG(R)40/BNa-M can only run at high fan speed mode and fan speed can’t be modified by wired controller.) 5.5 Swing Control Function * Under on state of unit, press Function button till the unit enters swing control function and then press “Enter/...

  • Page 12: Timer Setting

    Ducted Split Type Air-Conditioning 5.6 Timer Setting Under on state of the unit, press Timer button to set timer off of the unit. Under off state of the unit, press Timer button to set timer on of the unit in the same way. Timer on setting: Under off state of the unit without timer setting, if Timer button is pressed, LCD will display xx.

  • Page 13: Air Exchange Setting

    Ducted Split Type Air-Conditioning 5.7 Air Exchange Setting* Turn on air function: Under on state of the unit, press Function button into this function setting (Air mark blinks).AIR 1 displayed at the ambient temperature-displayed location (888) is defaulted (the last type of AIR will be displayed after adjustment).Press ▲...

  • Page 14: Sleep Setting

    Ducted Split Type Air-Conditioning 5.8 Sleep Setting Sleep on: Press Function button under on state of the unit into sleep function and then press Enter/cancel button to turn on sleeping function. Sleep off: During sleep on state, press Function button into sleep function and then press Enter/cancel button to turn off this function.

  • Page 15: Turbo Function Setting

    Ducted Split Type Air-Conditioning 5.9 Turbo Function Setting Turbo function: The unit at high fun speed can realize quick cooling or heating so that room temperature can quickly approach setting temperature. In cooling or heating mode, press Function button till the unit enters turbo function and then press Enter/ cancel button to turn on turbo function.

  • Page 16: Save Function Setting

    Ducted Split Type Air-Conditioning 5.10 Save Function Setting Energy Saving Function: Energy saving result that the air conditioner runs in smaller temperature range is realized by setting lower limited value of setting temperature in cooing or dry mode and upper limited value in heating mode.

  • Page 17: E-Heater Setting

    Ducted Split Type Air-Conditioning 5.11 E-heater setting * There is no this function for this unit E-heater: In heating mode, E-heater is allowed to be turned on for improvement of efficiency. If heating mode is turned on by button operation, auxiliary electric heating function will be automatically turned on.

  • Page 18: Blow Function Setting

    Ducted Split Type Air-Conditioning 5.12 Blow Function Setting Blow function: After the unit is turned off, water in evaporator of indoor unit will be automatically evaporated to avoid mildew. In cooling and dry mode, press Function button till the unit enters dry function, BLOW blinking, and then press Enter/cancel button to turn on this function.

  • Page 19: Quiet Function Setting

    Ducted Split Type Air-Conditioning 5.13 Quiet Function Setting Quiet function consists of two kinds: quiet and auto quiet. Press Function button till the unit enters quiet function setting state, Quiet or Auto Quiet mark blinks. In this case, press▲ or ▼ button to switch between Quiet and Auto Quiet and then press Enter/cancel button to turn on this function.

  • Page 20: Debugging Functions

    Ducted Split Type Air-Conditioning 5.14 Debugging Functions Under off state of the unit, press Function and Timer buttons continuously for 5s into debugging menu. Press Mode button to adjust the setting items and ▲ or ▼ button to set the actual value. 5.14.1 Ambient Temperature Sensor Setting In debugging mode, press Mode button to adjust the temperature displayed location displaying 00, and press ▲...

  • Page 21: Error Display

    Ducted Split Type Air-Conditioning 5.15.4 Enquiry of Outdoor Ambient Temperature Under on or off state of the unit, press Enter/Cancel button for 5s, outdoor ambient temperature will be displayed at temperature displaying area after a sound of click .Pressing any button, this enquiry state will quit. If there is not any operation for 20s, it will automatically quit.

  • Page 22: Names And Functions Of Remote Control Buttons

    Ducted Split Type Air-Conditioning 7 Names and functions of remote control buttons Notes: This remote control is universal .It could be used for many units. Some buttons which are not available in this unit will not be described below. 1. “ON/OFF” button After powering the unit, when the unit is off state, press the “ON/OFF”...
  • Page 23 Ducted Split Type Air-Conditioning button* There is no this function for this unit. If press this key, the main unit will click, but it also runs under original status. 7.“SLEEP” button Press this button to set the sleep mode. Once the sleep mode is set , the temperature will increase 1 after 1 hour, and still increase another 1 after 2 hours in the COOL mode.

  • Page 24: Changing Batteries And Notices

    Ducted Split Type Air-Conditioning 8 Changing batteries and notices 1) Slightly to press the place with OPEN controller.(As show in Fig 8.1.) 2) Take out the old batteries ,insert two AAA alkaline cells(As show in Fig 8.2.) Fig 8.1 Fig 8.2 NOTE: When changing the batteries, do not use the old or different batteries, otherwise, it can cause the malfunction of the wireless remote control.

  • Page 25: Weekly Timer Function

    Ducted Split Type Air-Conditioning 9 Weekly Timer Function 7DP - Seven days programmer (Accessory not supplied) Centralized Control and Week Timer Functions: The centralized controller and the weekly timer are integrated in the same wire controller. The system has both the centralized control and the week timing functions.

  • Page 26: Installation Instruction

    Ducted Split Type Air-Conditioning 1. Press ▲ or ▼ to select the unit that needed to be control. It is available to control several units by Group Control (1~16), or control single unit by Single Control. 2. When selected a certain or several units by Single Control or Group Control, Timer setting and On/off setting can be set.

  • Page 27: Install The Indoor Unit

    Air Outlet Air Return Air Outlet a. 20KW,25KW ,30KW b. 40kW Fig. 19 Indoor unit installation position and dimension Table 1 Outlines and dimension of the unit Unit: mm Model MUCH-20-H4 1353 1150 MUCH-25-H4 1560 1194 MUCH-30-H4 1560 1194 1194...
  • Page 28 Ducted Split Type Air-Conditioning Suspender >560 >1000 Hook Flat washer Air supply Spring washer Installation of suspender Air return Fig.20 Schematic for the indoor unit 3) Drain hose For easy drainage of the condensation water, the should be installed with a downward gradient. To avoid the condensation, the connection pipe joint should be insulated with thermal insulation material.
  • Page 29 Ducted Split Type Air-Conditioning 5) Install the Electrical Box. (Be Suit For 25KW~40KW) In order to ease the maintaining work, we recommend to get of the electrical box part of the indoor unit to refix it at the air outlet part. Please see following Fig 21. Fig.
  • Page 30 Ducted Split Type Air-Conditioning Installation of the Wired Controller Dismantlement of the Wired Controller 7) Connection of the signal wire Open the electrical box; Plug the wire through the PVC pipe; Plug the wire onto the four-nail sea; Tighten the wire; The max length between controller and the PCB board is 20m.

  • Page 31: Install The Outdoor Unit

    Ducted Split Type Air-Conditioning 10) Information for fuse Fuse Model code MUCH-20-H4 Indoor T5AL 250V 46010013 MUCH-25-H4 Outdoor T3.15AL 250V 46010014 MUCH-30-H4 Indoor T3.15AL 250V 46010014 MUCH-40-H4 Outdoor T3.15AL 250V 46010014 11) Adjust the tightness of the belt of the fan unit (Be Suit For 25KW~40KW) The rotation of the fan is achieved by the transmission of the belt.
  • Page 32 Ducted Split Type Air-Conditioning 10.3 Install the outdoor unit 1) Outline and dimension of the outdoor unit Fig 27 Schematic of the Outdoor unit Model A(mm) B(mm) C(mm) MUCH-20-H4 1150 1350 MUCH-25-H4 1150 1600 B±2 C±2 Fig 28 Schematic of the Outdoor unit...
  • Page 33 Ducted Split Type Air-Conditioning >1200 Front Back Side with Electrical >1000 Fig 29 Schematic for the installation of the outdoor unit ＞2000 ＞500 ＞500 ＞500 Fig 30 Schematic for the installation of the outdoor unit Fig 31 Crane way schematic When removing the outdoor unit, two ropes are needed to hang the unit along the four ways.
  • Page 34 Ducted Split Type Air-Conditioning entering of water and dusk. A metal pipe should be utilized if a pipe should be installed through a wall. The connection of the pipes should confirm to the following principles: Make sure to lessen the length of connecting pipe, the height difference between the indoor and outdoor unit, and the number of bends, and enlarge the diameter of bends.

  • Page 35: Electric Wiring

    Ducted Split Type Air-Conditioning MUCH-20-H4 54 g/m MUCH-25-H4 54 g/m MUCH-30-H4 110g/m MUCH-40-H4 170g/m 10.4 Electric wiring All of the supplied components, material, and electric operation should be accorded with the local principles. The power supply should adopt the rated voltage and special circuit for the ducted air-conditioning unit.

  • Page 39: Trial Run And Installation Checking

    Ducted Split Type Air-Conditioning 11 Trial run and installation checking 11.1 Trial run 1) Preparation for trial run The power supply should be turned on only after finishing all the installation. All the control wires and cables are connected correctly and safely. Open the cut-off valves in the gas and liquid pipes.
  • Page 40 Ducted Split Type Air-Conditioning 11.3 Checking items after installation Malfunction Possible cause Solution 1. The power supply does not connect or improper phase sequence. 1. Connect the power supply or change two Ducted air 2.The electricity leakage switch is switching random phase conditioning off for the leakage of electricity from the air...

  • Page 41: Care And Maintenance

    Ducted Split Type Air-Conditioning 12 Care and Maintenance To ptimize the life of the air-conditioning unit, check and maintain the unit regularly with specialized person. 1) Air filter Air filter is made by washable nylon, if you want to clean it, you can put it on a harder plate, then tap it gently to move bigger particles.

  • Page 42: Appendix

    Ducted Split Type Air-Conditioning 13 Appendix Air conditioner nominal working condition and working range: Test condition Indoor side Outdoor side DB( ) WB( ) DB( ) WB( ) Nominal cooling Nominal heating Rated cooling Min. temp. for cooling 18(-15) Rated heating Min.
  • Page 43 Provença, 392 pl. 2 - 08025 Barcelona Tel. 93 446 27 80 - Fax 93 456 90 32...

This manual is also suitable for:

Much-25-h4Much-40-h4Much-30-h4

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