Sinclair MULTI VARIABLE SERIES User manual
MULTI VARIABLE SERIES
DUCT
MV-DxxBI
SERVICE MANUAL
EN
“Originalinstructions”
IMPORTANT NOTE:
Read this manual carefully before installing
or operating your new air conditioning
unit. Make sure to save this manual for
future reference.
Service Manual
Table of Contents
Part Ⅰ: Technical Information.......................................................................1
1. Summary......................................................................................................................1
2. Specications..........................................................................................................2
3. Outline Dimension Diagram........................................................................6
4. Refrigerant System Diagram......................................................................7
5. Electrical Part...........................................................................................................8
5.1 Wiring Diagram.................................................................................................................8
5.2 PCB Printed Diagram .......................................................................................................9
6. Function and Control......................................................................................10
6.1 Remote Controller Introduction .....................................................................................10
6.2 Brief Description of Modes and Functions......................................................................14
6.3 Wired Remote Controller XK19 ......................................................................................16
Part Ⅱ: Installation and Maintenance ................................................25
7. Indoor Unit Installation ................................................................................25
8. Maintenance............................................................................................................36
8.1 Error Code List ...............................................................................................................36
8.2 Troubleshooting for Main Malfunction ............................................................................37
9. Exploded View and Parts List .................................................................41
10. Removal Procedure.......................................................................................47
1
Service Manual
1. Summary
Part Ⅰ: Technical Information
Indoor Unit
MV-D09BI
MV-D12BI
MV-D18BI
MV-D24BI
Remote Controller
YT1F(MOTO)
2
Service Manual
Parameter Unit Value
Model MV-D09BI MV-D12BI
Product Code CN210N0150 CN210N0160
Power
Supply
Rated Voltage V~ 220-240 220-240
Rated Frequency Hz 50 50
Phases 1 1
Cooling Capacity W 2500 3500
Heating Capacity W 2800 3850
Air ow volume(SH/H/M/L/SL) m3/h -/450/350/280/- -/550/400/300/-
Dehumidifying Volume L/h 0.8 1.4
Fan Type Centrifugal Centrifugal
Fan Diameter-height mm Φ139.45-134.62 Φ139.45-134.62
Fan Motor Speed rpm 950/750/650/550 1000/920/780/720
Fan Motor Power Output W 40 30
Fan Motor Power Input W 75 65
Motor Full Load Amp(FLA) A 0.34 0.34
Fan Motor Capacitor μF 3.0 3.0
Evaporator Material Inner Groove Copper -Aluminum Inner Groove Copper -Aluminum
Evaporator Pipe Diameter mm Φ7Φ7
Evaporator Number of Rows-Fin Pitch mm 2-1.6 3-1.6
Evaporator Length(L)XHeight(H)XWidth(W) mm 527X209.55X25.4 527X209.55X25.4
Fuse Current A 3.15 3.15
Sound Pressure Level(SH/H/M/L/SL) dB (A) 37/34/31/47/41 39/35/32/49/42
Sound Power Level(SH/H/M/L/SL) dB (A) 47/44/41/57/51 49/45/42/59/52
Dimension of Outline(LXWXH) mm 700X615X200 700X615X200
Dimension of Carton Box(LXWXH) mm 890X740X290 890X740X290
Dimension of Package(LXWXH) mm 893X743X305 893X743X305
Net Weight kg 21 22
Gross Weight kg 26 28
Liquid pipe mm Φ6 Φ6
Gas Pipe(to indoor unit) mm Φ9.52 Φ9.52
2. Specications
2.1 Specication Sheet
The above data is subject to change without notice. Please refer to the nameplate of the unit.
3
Service Manual
Parameter Unit Value
Model MV-D18BI
Product Code CN210N0170
Power
Supply
Rated Voltage V~ 220-240
Rated Frequency Hz 50
Phases 1
Cooling Capacity W 5000
Heating Capacity W 5500
Air ow volume(SH/H/M/L/SL) m3/h -/700/600/500/-
Dehumidifying Volume L/h 1.8
Fan Type Centrifugal
Fan Diameter-height mm Φ139.45-134.62
Fan Motor Speed rpm 1140/955/755/670
Fan Motor Power Output W 40
Fan Motor Power Input W 80
Motor Full Load Amp(FLA) A 0.51
Fan Motor Capacitor μF 3.0
Evaporator Material Inner Groove Copper -Aluminum
Evaporator Pipe Diameter mm Φ7
Evaporator Number of Rows-Fin Pitch mm 3-1.6
Evaporator Length(L)XHeight(H)XWidth(W) mm 725X209.55X38.1
Fuse Current A 3.15
Sound Pressure Level(SH/H/M/L/SL) dB (A) 41/33/51/43/-
Sound Power Level(SH/H/M/L/SL) dB (A) 51/43/61/53/-
Dimension of Outline(LXWXH) mm 900X615X200
Dimension of Carton Box(LXWXH) mm 1120X740X290
Dimension of Package(LXWXH) mm 1123X743X305
Net Weight kg 26
Gross Weight kg 32
Liquid pipe mm Φ6
Gas Pipe(to indoor unit) mm Φ12
The above data is subject to change without notice. Please refer to the nameplate of the unit.
MV-D24BI
CN210N0130
220-240
50
1
7100
8000
-/1000/750/550/-
2.5
Centrifugal
Φ139.45-134.62
1185/1070/910/810
80.00
110.00
0.64
3.50
Inner Groove Copper -Aluminum
Φ7
3-1.6
925X209.55X38.1
3.15
42/34/52/44/-
52/44/62/55/-
1100X615X200
1320X740X290
1323X743X305
30
40
Φ9.52
Φ16
5
Service Manual
Notes:
a. The rated cooling capacity data is measured under the following work condition: Indoor Temperature is 27ć
DB, 19ćWB. Outdoor Temperature is 35ćDB. The rated heating capacity data is measured under the following
work condition: Indoor Temperature is 20ćDB. Outdoor Temperature is 7ćDB, 6ćWB.
b. The data will change with the change of products. Refer to those parameters listed on nameplate.
c. Noise was tested in semi-silenced room, so the actual noise value will be a little higher for change of ambient.
Working Temperature Range
Sorts etatsedisroodnI
Dry bulb temp. ć Wet bulb temp. ć
Rated Cooling 27 19
Max. cooling 32 23
Min. cooling 21 15
Rated Heating 20 15
Max. heating 27 —
Min. heating 20 15
6
Service Manual
3. Outline Dimension Diagram
Unit:mm
Item
Model
A B C D E F G H I J
MV-D09BI
742 491 662 620 700 615 782 156 200 635
MV-D12BI
MV-D18BI 942 491 862 820 900 615 982 156 200 635
1142 491 1062 1020 1100 615 1182 156 200 635
MV-D24BI
7
Service Manual
4. Refrigerant System Diagram
Schematic Diagram of Super Free Match Series Inverter Heat Pump Multi System
The units start to work once the power is switched on.
During the cooling operation, the low temperature, low pressure refrigerant gas from the heat exchanger of
each indoor unit gets together and then is taken into the compressor to be compressed into high temperature, high
pressure gas, which will soon go to the heat exchanger of the outdoor unit to exchange heat with the outdoor air
and then is turned into refrigerant liquid. After passing through the BU module, the temperature and pressure of
the refrigerant liquid will further decrease and then go the main valve. After that, it will be divided and go to the
heat exchanger of each indoor unit to exchange heat with the air which needs to be conditioned. Consequently, the
refrigerant liquid become low temperature, low pressure refrigerant gas again. Such a refrigeration cycle goes
round and round to achieve the desired refrigeration purpose.
During the heating operation, the four-way valve is involved to make the refrigeration cycle run reversely.
The refrigerant radiates heat in the heat exchanger of the indoor unit (so do the electric heating devices) and
absorb heat in the heat exchanger of the outdoor unit for a heat pump heating cycle so as to achieve the desired
heating purpose.
8
Service Manual
5. Electrical Part
5.1 Wiring Diagram
● Indoor Unit
● Instruction
Symbol Symbol Color Symbol Symbol Color Symbol Name
WH White GN Green CAP Jumper cap
YE Yellow BN Brown COMP Compressor
RD Red BU Blue Grounding wire
YEGN Yellow/Green BK Black / /
VT Violet OG Orange / /
Note: Jumper cap is used to determine fan speed and the swing angle of horizontal lover for this model.
63625690
These circuit diagrams are subject to change without notice, please refer to the one supplied with the unit.
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