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28

Troubles and causes of remote controller

Before asking for serving or repairing, check the following points.

Symptoms

Causes

Solution

The fan speed cannot be
changed.

•

Check whether the MODE
indicated on the display is

“AUTO”

When the automatic mode is
selected, the air conditioner will
automatically change the fan speed.

•

Check whether the MODE
indicated on the display is

“DRY”.

When dry operation is selected, the
air conditioner changes the fan
speed automatically. The fan speed

can be selected during “COOL”,
“FAN ONLY”, and ”HEAT”.

The remote controller signal is
not transmitted even when the
ON/OFF button is pushed.

•

Check whether the batteries in
the remote controller are
exhausted.

The power supply is off.

The TEMP. indicator does not
come on.

•

Check whether the MODE
indicated on display is FAN
ONLY.

The temperature cannot be set
during FAN mode.

The indication on the display
disappears after a lapse of
certain time.

•

Check whether the timer
operation has come to an end
when the TIMER OFF is
indicated on the display.

The air conditioner operation will
stop up to the set time.

The TIMER on indicator goes off
after a lapse of certain time.

•

Check whether the timer
operation is started when the
TIMER ON is indicated on the
display.

Up to the set time, the air
conditioner will automatically start
and the appropriate indicator will go
off.

No receiving tone sounds from
the indoor unit even when the
ON/OFF button is pressed.

•

Check whether the signal
transmitter of the remote
controller is properly directed
to the infrared signal receiver
of the indoor unit when the
ON/OFF button is pressed.

Directly transmit the signal
transmitter of the remote controller
to the infrared signal receiver of the
indoor unit, and then repeatedly
push the ON/OFF button twice.

Malfunctions and malfunction code

If anything happens like the situation described below, please shut off the power supply of the unit and contact

with the customer service center immediately.

NO.

Malfunction

running lamp

timer lamp

defrosting

lamp

alarm lamp alarm lamp

1

Room temperature sensor
check channel is abnormal.

×

ƿ

×

× E2

2

Evaporator sensor checking
channel is abnormal.

ƿ

× × ×

E3

3

EEprom malfunction.

ƿ

ƿ

×

×

E7

4

Water-level switch malfunction.

×

×

×

ƿ

EE

5

Fan failure.

ƿ

×

ƿ

×

E8

6

Not set models.

×

×

ƿ

ƿ

PH

Note:

× Extinguish,

ƿ

Flash at 5Hz.

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Содержание MUCS-W7

Страница 1: ... Service manual English www mundoclima com Cassette 4 Ways FCU DC MUCS W7 CL04422 to CL04424 ...

Страница 2: ... Coil Unit 1 External Appearance 2 2 Features 2 3 Product lineup 3 4 Accessories 4 5 Specifications 5 6 Capacity Table 7 7 Sound Levels 22 8 Dimension 22 9 Service Spaces 24 10 Wiring Diagrams 28 11 Troubleshooting 27 12 Installation 29 ...

Страница 3: ... operation and high efficiency z Wireless remote control with LED display wired control is optional z Safety grill for safety maintenance z Built in drain water pump with 750mm pumping head z Optional extended drainage pan for protecting your ceiling better z Four speed motor with one reserved for more choice z Fresh air provision makes life healthier and more comfortable ...

Страница 4: ...r The motor uses fully enclosed structure design it is an energy saving of high operating efficiency and durable motor The motor bearing can operate 80 000 hours continuously and easy for maintenance z Low noise Advanced 3 D spiral fan design reduces air resistance and operating sound The motor bearing with unique design makes less operation vibration 3 Product Lineup Type 20 4 way cassette MUCS W...

Страница 5: ...5 Tightening band Remote controller Its Frame 1 Remote controller R05 BGE 20 1 Frame 2 Mounting screw ST2 9x10 C H 2 Alkaline dry batteries Remote controller manual 1 4 2 Optional accessories Accessory name Qty Shape Usage Wired controller KJR 29B 1 Wired control Wired controller KJR 12B D 1 Wired control Central controller CCM03 1 Central control 3 way valve 1 CL92869 CL92871 CL92905 Central cont...

Страница 6: ...ic Model WZDK80 38G WZDK80 38G WZDK90 38G Fan Type Centrifugal forward curved blades Centrifugal forward curved blades Centrifugal forward curved blades Quantity 1 1 1 Coil Row 2 2 2 Max Working pressure MPa 1 6 1 6 1 6 Coil length x height mm 1960x168 1960x168 1960x252 Fin type Hydrophilic aluminum Hydrophilic aluminum Hydrophilic aluminum Number of circuits 8 8 12 Fin spacing 1 45 1 45 1 45 Diam...

Страница 7: ...K90 38G WZDK90 38G WZDK90 38G Fan Type Centrifugal forward curved blades Centrifugal forward curved blades Centrifugal forward curved blades Quantity 1 1 1 Coil Row 2 2 3 Max Working pressure MPa 1 6 1 6 1 6 Coil length x height mm 1960x252 1960x252 1960x252 Fin type Hydrophilic aluminum Hydrophilic aluminum Hydrophilic aluminum Number of circuits 12 12 12 Fin spacing 1 45 1 45 1 45 Diameter Φ7 Φ7...

Страница 8: ...72 4 94 4 88 1 06 15 32 5 38 5 38 1 16 17 74 19 6 48 2 95 1 39 24 36 6 44 3 54 1 38 24 1 6 41 4 13 1 38 23 89 6 37 4 71 1 37 23 63 6 17 5 22 1 33 22 41 20 7 32 2 89 1 57 30 03 7 29 3 49 1 57 29 83 7 25 4 07 1 56 29 55 7 21 4 66 1 55 29 28 7 07 5 19 1 52 28 31 5 15 3 17 3 07 0 55 4 54 3 58 3 58 0 62 5 99 4 12 4 12 0 71 7 68 4 66 4 66 0 8 9 48 5 2 5 2 0 89 11 41 17 4 41 2 87 0 76 8 62 4 41 3 47 0 76...

Страница 9: ...15 21 3 99 3 99 1 15 16 71 4 15 1 51 1 51 0 33 1 27 2 08 2 08 0 45 2 93 2 64 2 64 0 57 5 04 3 19 3 19 0 69 6 96 3 74 3 74 0 8 9 1 17 1 53 1 53 0 33 1 28 2 08 2 08 0 45 2 94 2 64 2 64 0 57 5 04 3 19 3 19 0 69 6 97 3 74 3 74 0 8 9 11 19 2 41 1 41 0 52 4 29 2 45 2 02 0 53 4 41 2 76 2 73 0 59 5 44 3 2 3 2 0 69 7 3 74 3 74 0 8 9 11 20 3 27 1 36 0 7 7 23 3 21 1 94 0 69 7 04 3 21 2 55 0 69 7 04 3 43 3 22...

Страница 10: ... 5 53 1 19 18 55 19 6 63 3 02 1 42 25 35 6 59 3 63 1 42 25 07 6 56 4 23 1 41 24 86 6 52 4 84 1 4 24 63 6 35 5 37 1 36 23 52 20 7 49 2 96 1 61 31 25 7 46 3 57 1 6 31 04 7 42 4 17 1 59 30 75 7 38 4 78 1 59 30 49 7 26 5 34 1 56 29 65 5 15 3 25 3 15 0 56 4 83 3 67 3 67 0 63 6 28 4 23 4 23 0 73 8 02 4 79 4 79 0 82 9 9 5 34 5 34 0 92 11 93 17 4 51 2 94 0 77 8 95 4 51 3 56 0 78 8 96 4 58 4 2 0 79 9 18 4 ...

Страница 11: ...4 1 4 1 1 18 17 46 4 15 1 55 1 55 0 33 1 3 2 14 2 14 0 46 3 18 2 71 2 71 0 58 5 27 3 27 3 27 0 7 7 28 3 84 3 84 0 83 9 52 17 1 57 1 57 0 34 1 32 2 14 2 14 0 46 3 18 2 71 2 71 0 58 5 27 3 28 3 28 0 71 7 28 3 84 3 84 0 83 9 52 19 2 48 1 44 0 53 4 51 2 51 2 08 0 54 4 59 2 82 2 81 0 61 5 66 3 28 3 28 0 71 7 31 3 84 3 84 0 83 9 53 20 3 34 1 38 0 72 7 51 3 28 1 99 0 71 7 28 3 29 2 62 0 71 7 32 3 51 3 31...

Страница 12: ... 6 26 1 37 11 87 6 95 6 95 1 49 13 75 19 8 49 3 86 1 82 19 31 8 44 4 61 1 81 19 11 8 39 5 36 1 8 18 95 8 31 6 09 1 78 18 63 8 6 72 1 72 17 46 20 9 58 3 79 2 06 23 78 9 54 4 55 2 05 23 62 9 5 5 3 2 04 23 4 9 43 6 04 2 03 23 13 9 17 6 69 1 97 22 07 5 15 4 14 3 96 0 71 2 86 4 65 4 65 0 8 4 22 5 33 5 33 0 91 5 88 6 03 6 03 1 04 7 36 6 72 6 72 1 15 8 87 17 5 8 3 73 1 6 89 5 8 4 5 1 6 88 5 84 5 28 1 6 9...

Страница 13: ...5 5 19 5 15 1 49 13 06 4 15 1 96 1 96 0 42 1 09 2 69 2 69 0 58 1 75 3 41 3 41 0 73 3 76 4 12 4 12 0 89 5 41 4 83 4 83 1 04 7 07 17 1 99 1 99 0 43 1 11 2 69 2 69 0 58 1 75 3 41 3 41 0 73 3 77 4 13 4 13 0 89 5 41 4 83 4 83 1 04 7 08 19 3 19 1 83 0 69 3 14 3 21 2 61 0 69 3 22 3 6 3 51 0 78 4 23 4 15 4 15 0 89 5 46 4 83 4 83 1 04 7 08 20 4 32 1 78 0 94 5 94 4 24 2 53 0 91 5 67 4 25 3 3 0 91 5 69 4 49 ...

Страница 14: ...12 45 6 65 6 54 1 43 12 72 7 24 7 24 1 56 14 74 19 8 81 4 01 1 89 20 58 8 76 4 79 1 88 20 37 8 71 5 58 1 87 20 2 8 64 6 34 1 86 19 9 8 31 7 1 78 18 63 20 9 95 3 93 2 14 25 35 9 91 4 73 2 13 25 18 9 86 5 51 2 12 24 95 9 8 6 28 2 1 24 69 9 54 6 97 2 05 23 58 5 15 4 3 4 13 0 74 3 28 4 84 4 84 0 83 4 72 5 55 5 55 0 95 6 36 6 28 6 28 1 08 7 89 7 7 1 2 9 5 17 6 02 3 88 1 03 7 33 6 02 4 68 1 03 7 33 6 06...

Страница 15: ...1 48 12 92 5 4 5 38 1 55 13 97 4 15 2 04 2 04 0 44 1 14 2 8 2 8 0 6 2 01 3 55 3 55 0 76 4 12 4 3 4 3 0 92 5 8 5 03 5 03 1 08 7 58 17 2 07 2 07 0 45 1 15 2 81 2 81 0 6 2 01 3 56 3 56 0 77 4 12 4 3 4 3 0 92 5 8 5 03 5 03 1 08 7 58 19 3 3 1 9 0 71 3 46 3 33 2 72 0 72 3 55 3 74 3 66 0 8 4 55 4 32 4 32 0 93 5 85 5 03 5 03 1 08 7 58 20 4 45 1 84 0 96 6 15 4 39 2 63 0 94 6 4 4 3 44 0 95 6 04 4 66 4 33 1 ...

Страница 16: ...6 6 1 44 12 99 7 3 7 3 1 57 14 93 19 8 86 4 03 1 9 20 77 8 8 4 82 1 89 20 55 8 76 5 62 1 88 20 38 8 7 6 4 1 87 20 15 8 44 7 08 1 81 19 12 20 10 3 95 2 15 25 58 9 96 4 76 2 14 25 41 9 91 5 54 2 13 25 18 9 86 6 33 2 12 24 95 9 66 7 05 2 08 24 12 5 15 4 33 4 16 0 74 3 35 4 87 4 87 0 84 4 81 5 58 5 58 0 96 6 44 6 32 6 32 1 09 7 99 7 06 7 06 1 21 9 62 17 6 04 3 9 1 04 7 38 6 04 4 71 1 04 7 39 6 1 5 54 ...

Страница 17: ...42 1 56 14 15 4 15 2 06 2 06 0 44 1 15 2 82 2 82 0 61 2 06 3 58 3 58 0 77 4 18 4 33 4 33 0 93 5 87 5 07 5 07 1 09 7 67 17 2 08 2 08 0 45 1 16 2 82 2 82 0 61 2 06 3 58 3 58 0 77 4 18 4 33 4 33 0 93 5 88 5 07 5 07 1 09 7 68 19 3 32 1 92 0 71 3 52 3 36 2 74 0 72 3 62 3 76 3 69 0 81 4 59 4 35 4 35 0 94 5 92 5 07 5 07 1 09 7 68 20 6 6 2 61 0 98 6 36 4 41 2 65 0 95 6 07 4 41 3 46 0 95 6 06 4 69 4 36 1 0...

Страница 18: ...7 8 84 1 95 11 33 9 89 9 89 2 12 13 12 19 12 26 5 57 2 63 18 91 12 19 6 62 2 62 18 73 12 11 7 67 2 6 18 53 11 83 8 62 2 54 17 79 11 42 9 5 2 45 16 75 20 13 85 5 49 2 97 23 29 13 78 6 55 2 96 23 1 13 7 7 6 2 94 22 88 13 51 8 59 2 9 22 36 13 02 9 45 2 8 20 96 5 15 5 98 5 64 1 03 2 62 6 65 6 65 1 14 3 79 7 6 7 6 1 3 5 52 8 59 8 59 1 47 7 03 9 56 9 56 1 64 8 47 17 8 44 5 36 1 45 6 81 8 42 6 44 1 45 6 ...

Страница 19: ... 95 7 4 7 27 2 12 12 52 4 15 2 81 2 81 0 61 1 09 3 85 3 85 0 83 1 59 4 87 4 87 1 05 3 45 5 88 5 88 1 26 5 17 6 87 6 87 1 48 6 75 17 2 86 2 86 0 62 1 11 3 85 3 85 0 83 1 59 4 87 4 87 1 05 3 45 5 88 5 88 1 26 5 17 6 87 6 87 1 48 6 76 19 4 62 2 63 0 99 2 95 4 67 3 72 1 01 3 06 5 2 4 99 1 12 4 08 5 92 5 92 1 27 5 24 6 87 6 87 1 48 6 76 20 6 25 2 57 1 35 5 75 6 2 3 64 1 33 5 66 6 24 4 73 1 34 5 72 6 48...

Страница 20: ...6 47 9 84 0 71 5 85 9 25 0 67 5 26 8 67 0 63 4 7 EWT ΔT Indoor temperature D B 16 18 20 22 TH WF WPD TH WF WPD TH WF WPD TH WF WPD ć ć kW m3 h kPa kW m3 h kPa kW m3 h kPa kW m3 h kPa 40 5 6 1 1 06 12 51 5 51 0 95 10 48 4 92 0 85 8 62 4 32 0 75 6 92 6 5 92 0 86 8 7 5 33 0 77 7 25 4 73 0 68 5 93 4 14 0 6 4 72 8 5 56 0 6 4 79 4 96 0 54 3 95 4 36 0 47 3 18 3 76 0 41 2 48 10 5 18 0 45 2 93 4 57 0 4 2 3...

Страница 21: ...2 2 0 89 4 22 11 43 0 83 3 77 EWT ΔT Indoor temperature D B 16 18 20 22 TH WF WPD TH WF WPD TH WF WPD TH WF WPD ć ć kW m3 h kPa kW m3 h kPa kW m3 h kPa kW m3 h kPa 40 5 8 24 1 43 10 43 7 43 1 29 8 74 6 63 1 15 7 18 5 83 1 01 5 77 6 8 1 15 7 27 7 19 1 04 6 06 6 39 0 92 4 95 5 59 0 81 3 94 8 7 51 0 81 4 01 6 7 0 72 3 31 5 89 0 64 2 66 5 08 0 55 2 07 10 7 0 61 2 46 6 18 0 53 1 98 5 36 0 46 1 48 4 54 ...

Страница 22: ... 0 97 4 97 12 57 0 91 4 44 EWT ΔT Indoor temperature D B 16 18 20 22 TH WF WPD TH WF WPD TH WF WPD TH WF WPD ć ć kW m 3 h kPa kW m 3 h kPa kW m 3 h kPa kW m 3 h kPa 40 5 10 71 1 86 8 51 9 66 1 67 7 13 8 61 1 49 5 86 7 57 1 31 4 7 6 10 4 1 5 5 94 9 35 1 35 4 95 8 3 1 2 4 05 7 26 1 05 3 22 8 9 77 1 06 3 29 8 71 0 94 2 71 7 66 0 83 2 18 6 61 0 71 1 66 10 9 11 0 79 2 01 8 05 0 7 1 55 6 98 0 6 1 01 5 9...

Страница 23: ...22 7 Sound Levels H M L dB A 44 40 34 48 44 41 49 43 39 MUCS 20 W7 MUCS 24 W7 MUCS 36 W7 ...

Страница 24: ...8 Dimension Model A B C D E F 180 140 85 350 145 195 180 140 155 350 155 205 MUCS 20 W7 MUCS 24 36 W7 ...

Страница 25: ...24 9 Service Spaces Model A B C 230 170 260 300 190 330 MUCS 20 W7 MUCS 24 36 W7 ...

Страница 26: ...25 10 Wiring Diagrams ...

Страница 27: ...es 1 SW1 must be set as the Table B 2 Two control mode is only connected with a valve valve 1 Four control models are respectively connected with the valve 1 and valve 2 MODEL DIP SW1 21 21 21 21 21 21 MUCS 36 W7 MUCS 24 W7 MUCS 20 W7 none none none Every air conditioner in network has only one network address to distinguish each other Address code of air conditioner in LAN is set by code switch o...

Страница 28: ...other problem of controller Wait for the comeback of power Switch on the power Replace the fuse Replace the batteries or check the controller Air flowing normally but completely can t cooling Temperature is not set correctly Set the temperature properly Units start or stop frequently Air or no concreting gas in the watering circuit Three way valve is malfunction Voltage is too high or too low Syst...

Страница 29: ...ation will stop up to the set time The TIMER on indicator goes off after a lapse of certain time Check whether the timer operation is started when the TIMER ON is indicated on the display Up to the set time the air conditioner will automatically start and the appropriate indicator will go off No receiving tone sounds from the indoor unit even when the ON OFF button is pressed Check whether the sig...

Страница 30: ...e insulation z Put the insulation tightly around the hole of the unit as shown z The ends of the side plate and the inner insulation must be completely adhered without leaving any clearance along the circumference of the hole Make sure the inner surface of insulation tightly contacts the inner insulation edge and the side plate refer to fig 12 5 12 4 Install the Main Body A The existing ceiling to...

Страница 31: ...e indoor unit and will not become loose because of concrete shrinking b After installing the body please fasten the installation paper board onto the air conditioner with bolts M6 12 to determine in advance the sizes and positions of the hole opening on ceiling refer to fig 12 8 z Please first guarantee the flatness and horizontal of ceiling when installing it z Refer to the A a mentioned above fo...

Страница 32: ... the panel face down on floor or against the wall or on bulgy objects Never crash or strike it 1 Remove the air inlet grill a Slide two grid switches toward the middle at the same time and then pull them up Refer to fig 12 9 b Draw the grid up to an angle of about 45 and remove it Refer to fig 12 10 ...

Страница 33: ...vely 5 Relocate the air in grid in the procedure of reversed order 6 Relocate the installation cover a Fasten the rope of installation cover on the bolt of the installation cover b Press the installation cover into the panel slightly 11 6 Connect the Drain Pipe Install the drainpipe of the indoor unit The drainpipe can use PVC pipe external diameter about 37 39mm inner diameter is 32mm Joint drain...

Страница 34: ...f about 2000ml to the water receiver through the stow tube 2 Turn on the power and operate the air conditioner under the COOLING mode Listen to the sound of the drain pump Check whether the water is discharged well a lag of 1min is allowed before discharging according to the length of the drain pipe and check whether water leaks from the joints Caution If there is any malfunction please resolve it...

Страница 35: ...ner has to be done at the main power distribution The distribution has to be of low impedance normally the required impedance reaches at a 32A fusing point 2 No other equipment has to be connected with this power line 3 For detailed installation acceptance please refer to your power supplier if restrictions do apply for products like washing machines air conditioners or electrical ovens 4 For powe...

Страница 36: ...35 12 7 2 Wiring figure ...

Страница 37: ...g on the power According to the user s requirement install the remote controller frame where the remote controller s signal can reach the indoor unit smoothly Test operation Set the air conditioner under the mode of COOLING with the remote controller and check the following points If there is any malfunction please resolve it according to the chapter Troubleshooting in the Owner s Manual a Whether...

Страница 38: ...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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