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5. Specifications 

Model  

 

 

Power supply 

V/Ph/Hz 

220-240/1/50 

Air flow (H/M/L) 

m

3

/h 

1175/987/768 

1229/1020/810 

1451/1146/1012 

CFM 

691/580/451 

722/600/476 

853/674/595 

Cooling

1

 

Capacity (H/M/L) 

kW 

5.93/5.3/4.4 

6.12/5.45/4.6 

7.52/6.46/5.89 

Water flow 
rate(H/M/L) 

m

3

/h 

1.05/0.92/0.77 1.10/0.96/0.81 1.37/1.18/1.07 

Water pressure 
drop(H/M/L) 

kPa 

19.2/15.4/11 21.3/21.3/12.4  20.1/15.3/12.6 

Power input(H/M/L) 

41/27/17 

49/31/20 

68/37/30 

Heating

2

 

Capacity (H/M/L) 

kW 

6.06/6.35/5.32 

6.27/6.53/5.43 

7.88/7.48/6.76 

Water flow 
rate(H/M/L) 

m

3

/h 

1.30/1.14/1.13 

1.39/1.20/1.00 1.66/1.39/1.25 

Water pressure 
drop(H/M/L) 

kPa 25.9/20.1/19.9 

30/22.7/16.3 

26.7/18.8/15.6 

Power input(H/M/L) 

W 42/28/17 

44/32/19 

66/37/28 

Heating

3

 

Capacity (H/M/L) 

kW 8.42/7.37/6.06 

8.62/7.49/6.27 

10.37/8.72/7.88 

Water flow 
rate(H/M/L) 

m

3

/h 1.06/0.92/0.76 

1.10/0.96/0.81 1.37/1.18/1.07 

Water pressure 
drop(H/M/L) 

kPa 16.9/12.7/8.6 

19.1/14.8/10.6 

18.2/13.6/11.1 

Power input(H/M/L) 

W 42/28/17 

49/31/19 

67/37/28 

Sound pressure level (H/M/L) 

dB(A) 43/39/33 

44/40/34 

45/40/37 

Rated current 

A 0.4 

0.4 

0.6 

Fan motor 

Type 

DC motor 

DC motor 

DC motor 

Quantity 

Brand 

Panasonic 

Panasonic 

Panasonic 

Model 

WZDK80-38G 

WZDK80-38G 

WZDK90-38G 

Fan 

Type 

Centrifugal, 

forward-curved blades 

Centrifugal, 

forward-curved blades 

Centrifugal, 

forward-curved blades 

Quantity 

Coil 

Row 

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 

 

12 

Fin spacing 

 

1.45 

1.45 

1.45 

Diameter 

 

Φ7

 

Φ7

 

Φ7

 

Panel 

Net dimensions 
(W×H×D) 

mm 

950×45×950 950×45×950  950×45×950 

Packing size 
(W×H×D) 

mm 

1035×90×1035 

1035×90×1035 1035×90×1035 

Net weight 

kg 

Gross weight 

kg 

Body 

Net dimensions 
(W×H×D) 

mm 

840×230×840 840×230×840  840×300×840 

Packing size 
(W×H×D) 

mm 

900×260×900 900×260×900  900×330×900 

Net weight 

kg 23 

23 

27 

Gross weight 

kg 28 

28 

33 

Pipe 
connection 

Water inlet/outlet 
pipe 

inch RC3/4 

RC3/4 RC3/4 

Drain pipe 

mm 

ODΦ32

 

ODΦ32

 

ODΦ32

 

Notes: 

1. H: High fan speed; M: Medium fan speed; L: Low fan speed. 

2. Cooling mode (2 and 4-pipe coil): entering air temperature 27°C DB/1 9°C WB, entering/leaving water temperature 7°C /12°C, high fan 
speed. 
3. Heating mode

˄

1

˅

: (2-pipe coil): entering air temperature 20

e

C DB, entering/leaving water temperature 45/40

e

C, high fan speed. 

4. Heating mode

˄

2

˅

: (2-pipe coil): entering air temperature 20

e

C DB, enter water teperaure/water flow 50

ć

/*(same water flow as in 

standard rating condition in cooling) 

MUCS-20-W7

(none)

(none)

Summary of Contents for MUCS-W7

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

Page 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 ...

Page 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 ...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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 ...

Page 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...

Page 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...

Page 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 ...

Page 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...

Page 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 ...

Page 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 ...

Page 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...

Page 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 ...

Page 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...

Page 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...

Page 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 ...

Page 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...

Page 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 ...

Page 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 ...

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

Page 26: ...25 10 Wiring Diagrams ...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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 ...

Page 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...

Page 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...

Page 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...

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

Page 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...

Page 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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