mundoclima MUCO-H6T User manual

English
CL20390 to CL20391
www.mundoclima.com
Service manual
FLOOR STANDING
MUCO-H6T

Service Manual
Table of Contents
Part Ⅰ: Technical Information.......................................................................... 4
1. Summary......................................................................................................................... 4
2. Specications............................................................................................................. 5
2.1 Specication Sheet.............................................................................................................. 5
2.2 Capacity Curve in Different Outdoor Temperature .............................................................. 9
2.3 Cooling and Heating Data Sheet in Rated Frequency ........................................................ 9
3. Outline Dimension Diagram..........................................................................10
3.1 Indoor Unit..........................................................................................................................10
3.2 Outdoor Unit .......................................................................................................................11
4. Refrigerant System Diagram....................................................................... 12
5. Electrical Part............................................................................................................ 13
5.1 Wiring Diagram.................................................................................................................. 13
5.2 PCB Printed Diagram ........................................................................................................ 17
6. Function and Control......................................................................................... 19
6.1 Instructions of Control Buttons on Indoor Panel................................................................ 19
6.2 Remote Controller Introduction ......................................................................................... 23
6.3 Introduction of Each Mode Function.................................................................................. 27
Part Ⅱ: Installation and Maintenance .................................................... 35
7. Notes for Installation and Maintenance............................................. 35
8. Installation................................................................................................................... 37
8.1 Installation Dimension Diagram......................................................................................... 37
8.2 Installation Procedures...................................................................................................... 38
8.3 Installation Parts-Checking ............................................................................................... 39
8.4 Selection of Installation Location....................................................................................... 39
8.5 Electric Connection Requirement...................................................................................... 39
8.6 Installation of Indoor Unit................................................................................................... 39
8.7 Installation of Outdoor Unit................................................................................................ 41
8.8 Vacuum Pumping and Leak Detection .............................................................................. 43
8.9 Check after Installation and Test Operation ...................................................................... 43

Service Manual
9. Maintenance.............................................................................................................. 44
9.1 Error Code........................................................................................................................ 44
9.2 Procedure of Troubleshooting .......................................................................................... 46
9.3 Maintenance Method for Normal Malfunction................................................................... 50
10. Exploded View and Parts List ................................................................ 52
10.1 Indoor Unit...................................................................................................................... 52
10.2 Outdoor Unit ................................................................................................................... 55
11. Removal Procedure......................................................................................... 59
11.1 Removal Procedure of Indoor Unit ................................................................................. 59
11.2 Removal Procedure of Outdoor Unit .............................................................................. 66
Appendix:.......................................................................................................................... 78
Appendix 1: Reference Sheet of Celsius and Fahrenheit ...................................................... 78
Appendix 2: Conguration of Connection Pipe....................................................................... 78
Appendix 3: Pipe Expanding Method ..................................................................................... 79
Appendix 4: List of Resistance for Temperature Sensor ........................................................ 80

Service Manual
1. Summary
Part Ⅰ: Technical Information
Indoor Unit: Outdoor Unit: Remote Controller:
YB1F2(XFAN)
FAN
AUTO
OPER
HEALTH
AIR
FILTER
TURBO
ON/OFF
X-FAN
HOUR
HUMIDITY
ON/OFF
MODE
FAN
X-FAN
TURBO
TEMP
TIMER
SLEEP LIGHT
(CL96462)
MUCO-48-H6T
MUCO-60-H6T
MUCO-60-H6T MUCO-48-H6T
4

Service Manual
2. Specications
2.1 Specication Sheet
Model
Product Code
Power
Supply
Rated Voltage V~ 380-415
Rated Frequency Hz 50
Phases 3
Power Supply Mode Outdoor
Cooling Capacity W 12310
Heating Capacity W 12310
Cooling Power Input W 4900
Heating Power Input W 4400
Cooling Power Current A 9
Heating Power Current A 9
Rated Input W 6400
Rated Current A 13
Air Flow Volume(SH/H/M/L/SL) m3/h 1950/1900/1700/1530/-
Dehumidifying Volume L/h 5
EER W/W 2.51
COP W/W 2.80
SEER W/W /
HSPF W/W /
Application Area m255-85
Indoor Unit
Model of indoor unit
Indoor Unit Product Code
Fan Type Centrifugal
Diameter Length(DXL) mm Φ379X180.5
Fan Motor Cooling Speed(SH/H/M/L/SL) r/min 620/585/500/460/-
Fan Motor Heating Speed(SH/H/M/L/SL) r/min 620/585/500/460/-
Output of Fan Motor W 180
Fan Motor RLA A 1.5
Fan Motor Capacitor μF /
Input of Heater W /
Evaporator Form Aluminum Fin-copper Tube
Pipe Diameter mm Φ7
Row-n Gap mm 2-1.4
Coil Length (LXDXW) mm 876.3X25.4X472
Swing Motor Model MP35AK/MP35AB
Output of Swing Motor W 2
Fuse A 5
Sound Pressure Level (SH/H/M/L/SL) dB (A) 55/53/49/45/-
Sound Power Level (SH/H/M/L/SL) dB (A) 65/63/59/55/-
Dimension (WXHXD) mm 581X1870X395
Dimension of Carton Box (LXWXH) mm 2080X735X530
Dimension of Package (LXWXH) mm 2083X738X545
Net Weight kg 58
Gross Weight kg 84
MUCO-48-H6T
CL20390
MUCO-48-H6T
UI20390
5

Service Manual
The above data is subject to change without notice; please refer to the nameplate of the unit.
Outdoor Unit
Model of Outdoor Unit
Outdoor Unit Product Code
Compressor Manufacturer/Trademark Dalian SANYO Compressor Co.;Ltd.
Compressor Model C-SBP160H38C
Compressor Oil FV68S
Compressor Type Scroll
L.R.A. A 66
Compressor RLA A 7.58
Compressor Power Input W 4300
Overload Protector 37HM536-15
Throttling Method Capillary
Operation Temp oC 16~30
Ambient Temp (Cooling) oC 18~43
Ambient Temp (Heating) oC -7~24
Condenser Form Aluminum Fin-copper Tube
Pipe Diameter mm Ф9.52
Rows-n Gap mm 2-1.4
Coil Length (LXDXW) mm 975X44X813
Fan Motor Speed rpm 850
Output of Fan Motor W 82
Fan Motor RLA A 0.81
Fan Motor Capacitor μF 3.5
Air Flow Volume of Outdoor Unit m3/h 3600
Fan Type Axial-ow
Fan Diameter mm Ф480
Defrosting Method Automatic Defrosting
Climate Type T1
Isolation I
Moisture Protection IPX4
Permissible Excessive Operating Pressure for the
Discharge Side MPa 4.3
Permissible Excessive Operating Pressure for the
Suction Side MPa 2.5
Sound Pressure Level (H/M/L) dB (A) 59/-/-
Sound Power Level (H/M/L) dB (A) 69/-/-
Dimension (WXHXD) mm 840X1018X412
Dimension of Carton Box (LXWXH) mm 1100X450X880
Dimension of Package (LXWXH) mm 1103X453X1010
Net Weight kg 90
Gross Weight kg 100
Refrigerant R410A
Refrigerant Charge kg 3.1
Connection
Pipe
Length m 5
Gas Additional Charge g/m 100
Outer Diameter Liquid Pipe mm Ф12
Outer Diameter Gas Pipe mm Ф19
Max Distance Height m 20
Max Distance Length m 30
Note: The connection pipe applies metric diameter.
MUCO-48-H6T
UE20390
6

Service Manual
Model
Product Code
Power
Supply
Rated Voltage V~ 380-415
Rated Frequency Hz 50
Phases 3
Power Supply Mode Outdoor
Cooling Capacity W 15000
Heating Capacity W 17500
Cooling Power Input W 6000
Heating Power Input W 5850
Cooling Power Current A 9.61
Heating Power Current A 9.6
Rated Input W 8000(10500)
Rated Current A 13
Air Flow Volume(SH/H/M/L/SL) m3/h 2000
Dehumidifying Volume L/h 5.5
EER W/W 2.5
COP W/W 2.99
SEER W/W /
HSPF W/W /
Application Area m280-100
Indoor Unit
Model of indoor unit
Indoor Unit Product Code
Fan Type Centrifugal
Diameter Length(DXL) mm Ф379X180.5
Fan Motor Cooling Speed(SH/H/M/L/SL) r/min 620/585/500/460/-
Fan Motor Heating Speed(SH/H/M/L/SL) r/min 620/585/500/460/-
Output of Fan Motor W 180
Fan Motor RLA A /
Fan Motor Capacitor μF /
Input of Heater W 2500
Evaporator Form Aluminum Fin-copper Tube
Pipe Diameter mm Ф7.94
Row-n Gap mm 3-1.5
Coil Length (LXDXW) mm 836X62X472
Swing Motor Model MP35AK
Output of Swing Motor W 4
Fuse A 5
Sound Pressure Level (SH/H/M/L/SL) dB (A) 52/50/46/44/-
Sound Power Level (SH/H/M/L/SL) dB (A) 62/60/56/54/-
Dimension (WXHXD) mm 581X1870X395
Dimension of Carton Box (LXWXH) mm 2080X735X530
Dimension of Package (LXWXH) mm 2083X738X545
Net Weight kg 61
Gross Weight kg 87
MUCO-60-H6T
CL20391
MUCO-60-H6T
UI20391
7

Service Manual
The above data is subject to change without notice; please refer to the nameplate of the unit.
Outdoor Unit
Model of Outdoor Unit
Outdoor Unit Product Code
Compressor Manufacturer/Trademark Dalian SANYO Compressor Co.; Ltd.
Compressor Model C-SBP185H38A
Compressor Oil FV68S
Compressor Type Scroll
L.R.A. A /
Compressor RLA A 9.31
Compressor Power Input W 5200
Overload Protector UP18RA052-550
Throttling Method Capillary
Operation Temp oC 16~30
Ambient Temp (Cooling) oC 18~43
Ambient Temp (Heating) oC -7~24
Condenser Form Aluminum Fin-copper Tube
Pipe Diameter mm Ф9.52
Rows-n Gap mm 2-1.4
Coil Length (LXDXW) mm 975X44X813
Fan Motor Speed rpm 830
Output of Fan Motor W 68
Fan Motor RLA A 0.8
Fan Motor Capacitor μF 3.5
Air Flow Volume of Outdoor Unit m3/h 3600
Fan Type Axial-ow
Fan Diameter mm Ф472
Defrosting Method Automatic Defrosting
Climate Type T1
Isolation I
Moisture Protection IPX4
Permissible Excessive Operating Pressure for the
Discharge Side MPa 4.3
Permissible Excessive Operating Pressure for the
Suction Side MPa 2.5
Sound Pressure Level (H/M/L) dB (A) 62/-/-
Sound Power Level (H/M/L) dB (A) 72/-/-
Dimension (WXHXD) mm 1032X1250X412
Dimension of Carton Box (LXWXH) mm 1100X450X1280
Dimension of Package (LXWXH) mm 1103X453X1295
Net Weight kg 114
Gross Weight kg 125
Refrigerant R410A
Refrigerant Charge kg 4.3
Connection
Pipe
Length m 5
Gas Additional Charge g/m 100
Outer Diameter Liquid Pipe mm Ф12
Outer Diameter Gas Pipe mm Ф19
Max Distance Height m 20
Max Distance Length m 30
Note: The connection pipe applies metric diameter.
MUCO-60-H6T
UE20391
8

Service Manual
2.2 Capacity Curve in Different Outdoor Temperature
Cooling:
Heating:
2.3 Cooling and Heating Data Sheet in Rated Frequency
Rated cooling condition(°C)
(DB/WB) Model
Pressure of gas pipe
connecting indoor and
outdoor unit
Inlet and outlet pipe
temperature of heat
exchanger
Fan speed of
indoor unit
Fan speed of
outdoor unit
Indoor Outdoor P (MPa) T1 (°C) T2 (°C)
27/19 35/24 48/60K 0.8~1.0 8.0~12 43~39 Super High High
Rated heating condition(°C)
(DB/WB) Model
Pressure of gas pipe
connecting indoor
and outdoor unit
Inlet and outlet pipe
temperature of heat
exchanger
Fan speed of
indoor unit
Fan speed of
outdoor unit
Indoor Outdoor P (MPa) T1 (°C) T2 (°C)
20/- 7/6 48/60K 1.7~1.8 44~42 -4~3 Super High High
Cooling:
Heating:
Instruction:
T1: Inlet and outlet pipe temperature of evaporator
T2: Inlet and outlet pipe temperature of condenser
P: Pressure at the side of big valve
Connection pipe length: 5m.
50
60
70
80
90
100
110
120
32 33 34 35 36 37 38 39 40 41 42 43 44 45 46
Outdoor temp.( )
Capacity ratio (%)
ConditionIndoor: DB27 ,WB19;
Indoor air flow: Super High Pipe
length: 5m.
0
-7 -5 -3 0 510
20
40
60
80
100
120
Outdoor Temp.( )
Capacity ratio(%)
ConditionIndoor: DB20 ;
Indoor air flow: Super High Pipe
length: 5m.
°C °C
°C
°C °C
9

Service Manual
3. Outline Dimension Diagram
3.1 Indoor Unit
1870
518
395
Unit:mm
MUCO-48-H6T
MUCO-60-H6T
10

Service Manual
3.2 Outdoor Unit
950
572
1250
412 1032
340
378
Unit:mm
Unit:mm
840
340
1018412
950
378
572
MUCO-48-H6T
MUCO-60-H6T
11

Service Manual
4. Refrigerant System Diagram
Connection pipe specication:
Liquid pipe:1/2" (12mm) Gas pipe:3/4" (19mm)
Indoor unit Outdoor unit
COOLING
HEATING
4-Way valve
Discharge
Suction
Heat
exchanger
(evaporator) Heat
exchanger
(condenser)
Valve
Valve
Liquid pipe
side
Gas pipe
side
Accumlator
Compressor
Strainer Strainer
Capillary
12

Service Manual
Symbol Symbol Color Symbol Symbol Color Symbol Name
WH White GN Green SAT OVERLOAD
YE Yellow BN Brown COMP Compressor
RD Red BU Blue Grounding wire
YEGN Yellow/Green BK Black C1 CBB65
VT Violet OG Orange C2 CBB61
5. Electrical Part
5.1 Wiring Diagram
● Instruction
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MUCO-48-H6T
13

Service Manual
MUCO-60-H6T
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14

Service Manual
Indoor unit Outdoor unit
Accumlator
Discharge
Suction
Heat
exchanger
(evaporator)
Valve
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Liquid pipe
side
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side
Compressor
Strainer
Capillary
Heat
exchanger
(condenser)
These wiring diagrams are subject to change without notice; please refer to the one supplied with the unit.
● Outdoor Unit
MUCO-48-H6T
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15

Service Manual
These wiring diagrams are subject to change without notice; please refer to the one supplied with the unit.
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600007000361
MUCO-60-H6T
16

Service Manual
5.2 PCB Printed Diagram
● Top view
● Bottom view
No. Name
1 Output terminal 2 of transformer
2 Output terminal 1 of transformer
3Terminal of high pressure switch
4Terminal of low pressure switch
5Input terminal of transformer
6Fuse
7 Terminal of live wire
8 Control terminal of compressor
9 Control terminal of 4-way valve
10
Control terminal of electric
heating belt (only for the model
with this function)
11 Control terminal of outdoor fan
12 Terminal of neutral wire
13 Live wire terminal of indoor fan
14 Needle stand of indoor fan
15 Wiring terminal 1 of E-heater
16 Wiring terminal 2 of E-heater
17 Wiring terminal 3 of E-heater
1
2
3
4
5
6
789
10 11 12
13
14
15
16
17
MUCO-48-H6T
17

Service Manual
● Top view
● Bottom view
No. Name
1 Output terminal 2 of transformer
2 Output terminal 1 of transformer
3Terminal of high pressure switch
4Terminal of low pressure switch
5Input terminal of transformer
6Fuse
7 Terminal of live wire
8 Control terminal of compressor
9 Control terminal of 4-way valve
10
Control terminal of electric
heating belt (only for the model
with this function)
11 Control terminal of outdoor fan
12 Terminal of neutral wire
13 Live wire terminal of indoor fan
14 Needle stand of indoor fan
15 Wiring terminal 1 of E-heater
16 Wiring terminal 2 of E-heater
17 Wiring terminal 3 of E-heater
1
2
3
4
5
6
789
10 11 12
13
14
15
16
17
MUCO-60-H6T
18

Service Manual
6.1 Instructions of Control Buttons on Indoor Panel
6. Function and Control
Model:GVA48AH-M3NNA5C
●
●
E-HEATER
Buttons function and displayer
and and
●
●
●
Press this button, to turn on the unit.
When unit is turned on, the original
setting like Timer, Sleep function will
be canceled.Note: When the unit is
running in Dry mode, press ON/OFF
button that can turn on the unit directly.
ON/OFF ON/OFF Button
● When the unit start up running,
the status light will display in red
indicated as power turn-on and free-duty.
Mode Mode Button
Press the button, the circulating changes
of mode are shown as below:
Auto Cooling Dehumidification
Heating Air Supply
Auto: the controller will determine its
operation mode according to changes
of room temperatures under this mode.
Cooling: display cooling state.
Dehumidification: reduce temperature
and keep the setting room temperature
without any change.
Air supply: The compressor doesn't on
work and only the indoor blower is on
running under this mode.
Heating: Display the state of heating.
(Note: Single-cooling machine is not
equipped with heating mode)
Button
Under the situation without setting
the function, press and buttons,
the setting temperature goes up
and down 1 , the regulating range
is from 16 to 30 .
Under the conditions of setting the
functions, can proceed with the
round-trip option of this function (set
and opposite direction of
circulation).
Keep pressing and buttons
for 3 seconds continuously, functions
of all buttons on the display panel
will be conductively-closed, and then
press any button, the buzzer will
ring once while "LC" is flashing for
three times on the location of double
8 and resume to normal display so
as to prompt users that the buttons
have been locked up.When keep
pressing again the two buttons for
another 3 seconds continuously,
the function of lockup will be removed
and resume to display in normal state.
Speed Function AMB. Mode ON/OFF
19

Service Manual
●
●
“→→→
→→”
●
E-HEATER
Buttons function and displayer
Speed Function AMB. Mode ON/OFF
and and Buttons (Continued)
After switch-on at first time, if without
any button input:1. consecutively press
twice of buttons in 20 seconds and
soon access to the running of forced
heating.After the blades of blowing up
and down opens to the minimum position,
start up running of all loads, indoor and
outdoor high-speed blowers. All characters
will be displayed when the non-inductive
thermometer bulb is broken down. The
fault codes of breakdown will be displayed
when the inductive thermometer bulb is
broken down and then the buzzer rings.
After shutdown for five minutes or
receiving shutdown signal within 5
minutes, it enter the status of normal
standby. 2. consecutively press twice
of buttons in 20 seconds and soon
access to the running of forced cooling.
After the blades of blowing up and down
opens to the minimum position,start up
running of all loads, indoor and outdoor
high-speed blowers besides the four-
way valve and then the buzzer rings.
After shutdown for five minutes or
receiving shutdown signal within 5
minutes,it enter the status of normal
standby.
The 1 and 2 Functions are for trial use
only.
Speed Speed Button
Press this button, the speed can
shift in the circulation among of
Auto Low Medium High
Super Auto
Note: the function of forced low
speed under operation of dehumi-
dification is not available.
AMB. Button
Press this button, AMB.circulating
changes set forth below:
Energy saving Living Room
Conference/Office
Restaurant
Normal
●Adjustable method of AMB.
Button:The switch-on of AMB.mode
at first time is the default of normal
mode,when shutting down and
starting up again,the AMB. mod will
keep the setting status before last
shutting down. Under the modes of
energy-saving, conference/office
and restaurant,the sleep function
will be automatically cancelled.
And the sleep function is not
adjustable: sleep function is only
available on service for cooling,
dehumidification and heating under
normal mode.
AMB.
20