Gree KM48H4O User manual

SUPER FREE MATCH SERIES
SERVICE MANUAL
T1/R410A/60Hz
( GC201306 - )
CENTRAL AIR CONDITIONERS

Contents
PRODUCT ................................................................................................................... 2
1MODELS LIST......................................................................................................................2
1.1Outdoor Unit ..........................................................................................................................2
1.2BU Module.............................................................................................................................2
1.3Indoor Unit.............................................................................................................................3
2NOMENCLATURE ............................................................................................................... 5
2.1Nomenclature of Outdoor Unit ..............................................................................................5
2.2Nomenclature of BU Module.................................................................................................5
2.3Nomenclature of Indoor Unit.................................................................................................5
3FUNCTION ...........................................................................................................................6
4PRODUCT DATA..................................................................................................................7 
4.1Product Data of Outdoor Unit................................................................................................7
4.2Product Data of Indoor Unit...................................................................................................8
4.3Product Data of BU Module ................................................................................................ 14

5Working Temperature Range ............................................................................................... 14

6PIPING DIAGRAM ............................................................................................................. 15
Control........................................................................................................................ 16
1OPERATION FLOWCHART ............................................................................................ 17
1.1Cooling/Dry Operation ........................................................................................................18
1.2Heating Operation ................................................................................................................19
2MAIN LOGIC......................................................................................................................20
2.1Control Function of Outdoor Unit ...................................................................................... 20
2.2Protection Function ..............................................................................................................21
2.3Other function ......................................................................................................................22
2.4Control Function of Indoor Unit ......................................................................................... 23
3REMOTE CONTROLLER ................................................................................................. 24
3.1Wired Remote Controller.....................................................................................................24
3.2Wireless Remote Controller YT1F (MOTO) ...................................................................... 31
3.3Wireless Remote Controller YAA1FB1F ........................................................................... 34
3.4Wireless Remote Controller YAG1FBF ............................................................................. 38
3.5Wireless Remote Controller YB1FAF (XFAN) ................................................................. 44
4Smart Zone Controller (CE50-24/E) ................................................................................... 47
4.1General Introduction .............................................................................................................
.47

4.2Communication Network .................................................................................................... 48
4.3LCD........................................................................................................................................48

4.4Buttons ..................................................................................................................................49
INSTALLATION ....................................................................................................... 51
1PRECAUTIONS FOR INSTALLATION .......................................................................... 52
1.1Precautions for Installation ..................................................................................................54
1.2Key Points of Installation.....................................................................................................54
2FLOW CHART OF INSTALLATION .............................................................................. 56

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3OUTDOOR UNIT INSTALLATION ................................................................................ 57
3.1Precautions for R410A.........................................................................................................57
3.2Precaution for Installation....................................................................................................57
3.3Precaution for Operation Test ............................................................................................. 57
3.4Names of Main Parts............................................................................................................57
3.5Parts and Components of Unit .............................................................................................58
3.6Selection of Installation Location ........................................................................................58
3.7Outline Dimension of the Outdoor Unit ..............................................................................59
3.8Installation and Servicing Space ..........................................................................................59
3.9Installation of the Outdoor Unit .......................................................................................... 60
4INDOOR UNIT INSTALLATION .................................................................................... 61
4.1Installation of Wall Mounted Type ..................................................................................... 61
4.2Installation of Duct Type......................................................................................................63
4.3Installation of Cassette Type ................................................................................................71
4.4Installation of Floor Ceiling Type ...................................................................................... 76 
4.5Installation of Console Type ............................................................................................... 79
5BU MODULE INSTALLATION ....................................................................................... 84
5.1Precaution for Installation....................................................................................................84
5.2Names of Main Parts............................................................................................................84
5.3Selection of Installation Location ....................................................................................... 85
5.4Outline Dimension and Servicing Space of FXA2A-D ...................................................... 86
5.5Outline Dimension and Servicing Space of KM21-BBU12-3 ............................................ 87
5.6Outline Dimension and Servicing Space of FXA3A-D .......................................................88
5.7Outline Dimension and Servicing Space of KM21-BBU13-3 ........................................... 89 
6REFRIGERATION PIPING WORK ................................................................................. 90 
6.1Allowable Length and Drop Height of Connecting Pipe ................................................... 90 
6.2Dimension of Connecting Pipe ............................................................................................90
6.3Connection of Branch Pipe .................................................................................................. 91
6.4Design Requirements for Oil Trap ...................................................................................... 91
6.5Connection of Outdoor Unit Refrigerant Pipe .................................................................... 93
6.6Installation of Piping Adapter ..............................................................................................93
6.7Precaution for Connection ...................................................................................................95
6.8Leak Test ..............................................................................................................................97
6.9Vacuum Operation ............................................................................................................. 97
6.10Refrigerant Charging ...................................................................................................98 
7Electrical Wiring Work.......................................................................................................101
7.1Wiring Connection ............................................................................................................. 101
7.2Requirements of Power Circuit and Cable ........................................................................ 101

7.3Ground Requirements ........................................................................................................102
7.4Precautions of Electrical Wiring Work ............................................................................. 102
7.5Precaution of Laying Wires .............................................................................................. 102
7.6Electrical Wiring Work for Outdoor Unit ......................................................................... 103
7.7Electrical Wiring Work for BU Module ........................................................................... 103
7.8Instructions for DIP Switch................................................................................................105

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7.9Electrical Wiring Work for Indoor Unit ........................................................................... 105
8INSTALLATION OF DRAINAGE PIPELINE ............................................................... 106
8.1Material Quality Requirements for Condensate Pipe ....................................................... 106
8.2Key Points for Condensate Pipe Installation ..................................................................... 106

9Installation of Protective Layer on Connection Pipe ........................................................ 110
MAINTENANCE .................................................................................................... 111
1Testing Board Introduction ............................................................................................... 112
1.1Compose of Testing Board ............................................................................................... 112
1.2Instruction of Function and Data Section ......................................................................... 112
1.3Process Control Setting...................................................................................................... 113
2Troubleshooting ................................................................................................................. 115
2.1Check before Contacting Maintenance Serviceman ......................................................... 115
2.2Problem Handling ..............................................................................................................116
2.3Error description ................................................................................................................116
3FLOW CHART OF TROUBLESHOOTING ................................................................... 119
3.1Malfunction display: Current protection ........................................................................... 119
3.2Malfunction display: High Pressure Protection .................................................................120
3.3Malfunction display: Low Pressure Protection ................................................................. 121
3.4Malfunction display: Discharge temperature protection ................................................... 122
3.5Malfunction display: High/Low pressure sensor error ...................................................... 122

3.6Malfunction display: Communication error ...................................................................... 123

3.7Malfunction display: Indoor unit water full protection ..................................................... 124

3.8Malfunction display: Temperature sensor error ................................................................ 124
4POWER DISTRIBUTION ................................................................................................ 125
4.1Diagram of Power Distribution ......................................................................................... 125
4.2Wiring diagram ..................................................................................................................126
5THE RESISTANCES OF COMMON TEMPERATURE SENSORS ............................. 132
5.115 KΩ.................................................................................................................................132
5.220 KΩ.................................................................................................................................133
5.350 KΩ.................................................................................................................................134
6DISASSEMBLY AND ASSEMBLY PROCEDURE OF MAIN PARTS ....................... 137
6.1Outdoor Unit ......................................................................................................................137
6.2Indoor unit..........................................................................................................................142
7EXPLODED VIEWS AND PART LIST.......................................................................... 152
7.1Outdoor unit .......................................................................................................................152
7.2Indoor unit..........................................................................................................................154
7.3BU Module.........................................................................................................................185 ....172

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PRODUCT
1
PRODUCT

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Service Manual
PRODUCT 2
PRODUCT
1MODELS LIST
1.1 Outdoor Unit
Model Product code
Cooling
Capacity
Heating
Capacity Refriger
ant
Power supply Appearance
kW kW Ph, V, Hz
CN860W0140 14.0 16.0
R410A 1,208/230,60
CN860W0150 15.5 18.0
1.2 BU Module
Model Product code
Number of connectable
indoor units Refrigerant Power supply Appearance
Min Max Ph, V, Hz
R410A 1,208/230,60
KM48H4O
KM56H4O
EN01300080 1 2
KM21-
EN01300090 1
3
BBU12-3
KM21-
BBU13-3
EN01300140
15
KM21-
BBU15-3

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PRODUCT
3
1.3 Indoor Unit
1.3.1 Wall mounted type
Hansol
Model Product code
Capacity Refrige
rant
Power supply
Appearance
Cooling
(kW)
Heating
(kW) Ph, V, Hz
KW09HTBA3DI CB148N02200 2.6 2.87
R410A 1,208/230,60
CB148N02300 3.5 3.8
CB148N04000 5.3 5.6
CB148N03800 7.1 7.3
1.3.2 Duct type
Model Product code
Capacity Refrige
rant
Power supply
Appearance
Cooling
(kW)
Heating
(kW) Ph, V, Hz
KM09HFDI CN210N0070 2.5 2.8
R410A 1,208/230,60
CN210N0060 3.5 3.85
CN210N0080 4.5 5.5
CN210N0090 6.0 6.6
CN210N0100 7.0 8.0
KM12HFDI
KM18HFDI
KM21HFDI
KM24HFDI
KW12HTBA3DI
KW18HTCA3DI
KW24HTCA3DI

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PRODUCT 4
1.3.3 Cassette type
Model Product code
Capacity Refrige
rant
Power supply
Appearance
Cooling
(kW)
Heating
(kW) Ph, V, Hz
CN510N0060 3.5 3.85
R410A 1,208/230,60
CN510N0070 4.5 5.0
KM24HKDI CN510N0080 6.7 8.0
1.3.4 Floor ceiling type
Model Product code
Capacity Refrige
rant
Power supply
Appearance
Cooling
(kW)
Heating
(kW) Ph, V, Hz
CN610N0060 2.5 2.8
R410A 1,208/230,60
CN610N0070 3.5 3.85
CN610N0050 5.0 5.5
KM24HTDI CN610N0080 6.7 8.0
1.3.5 Console type
Model Product code
Capacity Refrige
rant
Power supply
Appearance
Cooling
(kW)
Heating
(kW) Ph, V, Hz
CV010N00900 2.6 2.8
R410A 1,208/230,60

CV010N01000 3.5 3.8
CV010N01100 5.3 5.8
KM12HKDI
KM18HKDI
KM09HTDI
KM12HTDI
KM18HTDI
KM09HEDI
KM12HEDI
KM18HEDI

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PRODUCT
5
2NOMENCLATURE
2.1 Nomenclature of Outdoor Unit
K
1 2 3 4 5
NO. Description Options
1 KM
2
3
48 represents 48000Btu/h 1kW=3.412KBtu
4 Design No.
5 O
2.2 Nomenclature of BU Module
2.3 Nomenclature of Indoor Unit
NO. Description Options
1
2 Product Type
W: Wall mounted type
4 Cooling Function C: Cooling Only H: Heat pump
5
6
7 Compressor Frequency D:DC inverter rotor type
10
No. Description Options
1 KM KINGHOME MULTI ZONE
2
3
4 Product Name
M
KINGHOME MULTI ZONE
Cooling Capacity
Cooling Function C: Cooling Only H: Heat Pump
4: Fourth Generation
O: Outdoor Unit
□ □ □ □
K
1 2 3 4 5 6
M□ □ □ □ □
5
6
Energy Efficiency 21: 21 SEER
Product Code B: B Series
BU: BU Box
Number of Port 12: two ports; 13: three ports; 15: five ports
Design Generation 3: Third Generation
K
1 2 3 4 5 6 7 8
□ □ □ □ □
Wall Mounted Type
□
KKINGHOME
KM
9
□ □ □ □ □
Other Type
W: Wall mounted type F:Duct type
K:Cassette type E:Console T:Floor ceiling type
3 Cooling Capacity 12 represents 12000Btu/h 1kW=3.412KBtu
Shell Code TB: TB Code
Panel Code A3: A3 Panel
□
8 I
I: Indoor Unit
9KM KINGHOME MULTI ZONE
34 10
Product Type
78

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PRODUCT 6
3FUNCTION
Function Wall
mounted Duct type Cassette
type
Floor
ceiling type
Console
type
For Comfortable
Air Conditioning
Fan operation Mode ●● ● ● ●
Auto Swing Controller ●/ ● ● ●
Timer Selector ●● ● ● ●
Auto Mode Operation ●● ● ● ●
Cool Mode Operation ●● ● ● ●
Heat Mode Operation ●● ● ● ●
Dry Mode Operation ●● ● ● ●
Fan Mode Operation ●● ● ● ●
Sleep mode setting ●● ● ● ●
Drain Pump /● ● / /
For Flexible Control Wired Controller / ● ● ● /
Wireless Remote Controller ●● ● ● ●
●: Have Functions
/ : No Functions

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PRODUCT
7
4PRODUCT DATA
4.1 Product Data of Outdoor Unit
Model
Cooling capacity KW 14.0 15.5
Heating capacity KW 16.0 18.0
Nominal input Cooling KW 5.0 5.6
Heating KW 4.4 5.2
SEER/HSPF 16.0/8.2 16.0/8.2
Minimum NO. of connectable indoor units 2 2
Maximum NO. of connectable indoor units 8 9
Minimum No. of BU modules to be connected 1 1
Maximum No. of BU modules to be connected 3 3
Total capacity index of to be connected indoor units Min 50 50
Max 150 145
Power supply 1Ph, 208/230V, 60Hz
Dimensions (H×W×D) mm 1345×900×340 1345×900×340
Net weight/Gross weight kg 116/125 116/125
Sound pressure level cooling/heating dB(A) 57 57
Fan Type Axial-flow
Air Flow Volume m3/h 6400 7000
Refrigerant
Name R410A
Charge kg 4.95 4.95
Control Electronic expansion valve
Refrigerant oil Type FV50S FV50S
Charge L 1.35 1.35
Compressor Type Inverter Rotary
Quantity 1
Piping connections Gas mm Φ15.9 Φ15.9
Liquid mm Φ9.52 Φ9.52
Piping length
System total m 135 145
total OU-BU m 55
BU-IN m 80 90
1 room BU-IN m 15
Height
OU-BU m 30
OU-IN m 30
BU-BU/
IN-IN m 15
Operation range Cooling ℃DB -15~48
Heating ℃DB -20～24
Loading quantity
20' GP 25 25
40' GP 50 50
40' HQ 50 50
Heatpump KM48H4O KM56H4O

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PRODUCT 8
Notes:
a. Refer to the product nameplate for parameters and specification of the unit;
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.
4.2 Product Data of Indoor Unit
4.2.1 Wall mounted type
Hansol
Model GWH09TB-D3
Capacity Cooling kW 2.6 3.5 5.3 7.1
Heating kW 2.87 3.8 5.6 7.3
Power supply V-Ph-Hz 208/230-1-60 208/230-1-60 208/230-1-60 208/230-1-60
Motor power input kW 0.029 0.029 0.045 0.070
Air flow volume m3/h 730 770 1000 1100
CFM 430 453 588 647
Sound pressure level
(SH/H/MH/M/ML/L/SL) dB(A) 42/36/34/32/28/
24/21
43/36/34/32/28/
24/22
51/48/45/43/39/
36/33
52/49/46/44/42/
40/37
Fan motor
Output kW 0.010 0.010 0.025 0.045
Running
current A 0.07 0.07 0.1 0.3
Connecting
pipe
Gas inch 1/2″(Φ12.7mm) 1/2″(Φ12.7mm) 5/8″(Φ15.9mm) 5/8″(Φ15.9mm)
Liquid inch 1/4″(Φ6.35mm) 1/4″(Φ6.35mm) 1/4″(Φ6.35mm) 1/4″(Φ6.35mm)
Connection method Flare
Connection
Flare
Connection
Flare
Connection
Flare
Connection
Drain pipe External dia. mm Φ20 Φ20 Φ20 Φ20
Thickness mm 1.5 1.5 1.5 1.5
Outline
dimension W×D×H mm 866×209×292 866×209×292 1018×230×319 1178×264×326
Package
dimension W×D×H mm 945×297×377 945×297×377 1097×340×397 1256×364×414
Net Weight/Gross weight kg 11.0/14.0 11.0/14.0 14.0/19.0 18.0/22.0
Loading quantity
20'GP 288 288 199 126
40' GP 590 590 402 276
40' HQ 668 668 458 322
Notes:
a. Refer to the product nameplate for parameters and specification of the unit;
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.
KW09HTBA3D KW12HTBA3D KW18HTBA3D KW24HTBA3D

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PRODUCT
9
4.2.2 Duct type
Model Heat pump
Capacity Cooling KW 2.5 3.50 4.5
Heating KW 2.8 3.85 5.5
Power supply V-Ph-Hz 208/230-1-60 208/230-1-60 208/230-1-60
Motor power input kW 0.08 0.08 0.10
Air flow volume m3/h 450 500 700
CFM 265 294 412
Sound pressure level (H/M/L) dB(A) 37/34/31 39/35/32 41/37/33
Fan motor
Output kW 0.04 0.049 0.075
Running current A 0.35 0.35 0.43
Connecting pipe
Gas inch 3/8″(Φ9.52mm) 3/8″(Φ9.52mm) 1/2″(Φ12.7mm)
Liquid inch 1/4″(Φ6.35mm) 1/4″(Φ6.35mm) 1/4″(Φ6.35mm)
Connection method Flare Connection Flare Connection Flare Connection
Drain pipe External dia. mm Φ31 Φ31 Φ31
Thickness mm 3 3 3
Outline dimension W×D×H mm 700×615×200 700×615×200 900×615×200
Package dimension W×D×H mm 893×743×305 893×743×305 1123×743×305
Net Weight/ Gross weight kg 22/27 23/29 27/36
Loading quantity
20'GP 108 108 90
40' GP 234 234 180
40' HQ 234 234 180
KM09HFDI KM12HFDI KM18HFDI

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PRODUCT 10
Model Heat pump
Capacity Cooling KW 6.0 7.0
Heating KW 6.6 8.0
Power supply V-Ph-Hz 208/230-1-60 208/230-1-60
Motor power input kW 0.124 0.124
Air flow volume m3/h 1000 1000
CFM 588.5 588.5
Sound pressure level(H/M/L) dB(A) 42/38/34 42/38/34
Fan motor
Output kW 0.061 0.061
Running current A 0.54 0.54
Connecting pipe
Gas inch 5/8″(Φ15.9mm) 5/8″(Φ15.9mm)
Liquid inch 3/8″(Φ9.52mm) 3/8″(Φ9.52mm)
Connection method Flare Connection Flare Connection
Drain pipe External dia. mm Φ31 Φ31
Thickness mm 3 3
Outline dimension W×D×H mm 1100×615×200 1100×615×200
Package dimension W×D×H mm 1323×743×305 1323×743×305
Net Weight/ Gross weight kg 31/41 31/41
Loading quantity
20'GP 72 72
40' GP 162 162
40' HQ 162 162
Notes:
a. Refer to the product nameplate for parameters and specification of the unit;
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.
KM21HFDI KM24HFDI

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PRODUCT
11
4.2.3 Cassette type
Model Heat pump
Capacity Cooling KW 3.5 4.5 6.7
Heating KW 4.0 5.0 8.0
Power supply V-Ph-Hz 208/230-1-60 208/230-1-60 208/230-1-60
Motor power input kW 0.05 0.05 0.10
Air flow volume m3/h 600 600 1180
CFM 353 353 694
Sound pressure level (H/M/L) dB(A) 46/44/42 46/44/42 39/37/35
Fan motor
Output kW 0.011 0.011 0.05
Running current A 0.23 0.23 0.43
Connecting
pipe
Gas inch 3/8″(Φ9.52mm) 1/2″(Φ12.7mm) 5/8″(Φ15.9mm)
Liquid inch 1/4″(Φ6.35mm) 1/4″(Φ6.35mm) 3/8″(Φ9.52mm)
Connection method Flare Connection Flare Connection Flare Connection
Drain pipe External dia. mm Φ31 Φ31 Φ31
Thickness mm 3 3 3
Outline
dimension
Body
W×D×H mm 570×570×230 570×570×230 840×840×240
Panel
W×D×H mm 650×650×50 650×650×50 950×950×60
Package
dimension
Body
W×D×H mm 851×731×325 851×731×325 963×963×325
Panel
W×D×H mm 733×673×117 733×673×117 1043×1028×130
Body Net Weight/Gross weight kg 18/23 18/23 28/35
Panel Net Weight/Gross weight kg 2.5/3.65 2.5/3.65 6.5/10
Loading quantity
20'GP 102 102 40
40' GP 209 209 108
40' HQ 246 246 128
Notes:
a. Refer to the product nameplate for parameters and specification of the unit;
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.
KM12HKDI KM18HKDI KM24HKDI

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PRODUCT 12
4.2.4 Floor ceiling type
Model Heat pump
Capacity Cooling KW 2.5 3.5 5.0 6.7
Heating KW 2.8 3.85 5.5 8.0
Power supply V-Ph-Hz 208/230-1-60 208/230-1-60 208/230-1-60 208/230-1-60
Motor power input kW 0.055 0.055 0.11 0.145
Air flow volume m3/h 650 650 950 1250
CFM 382.5 382.5 559 736
Sound pressure level
(H/M/L) dB(A) 40/38/36 40/38/36 45/42/40 48/46/44
Fan motor
Output kW 0.015 0.02 0.02 0.04
Running
current A 0.28 0.28 0.56 0.63
Connecting
pipe
Gas inch 3/8″(Φ9.52mm) 3/8″(Φ9.52mm) 1/2″(Φ12.7mm) 5/8″(Φ15.9mm)
Liquid inch 1/4″(Φ6.35mm) 1/4″(Φ6.35mm) 1/4″(Φ6.35mm) 3/8″(Φ9.52mm)
Connection method Flare Connection Flare Connection Flare Connection Flare Connection
Drain pipe
External
dia. mm Φ17 Φ17 Φ17 Φ17
Thickness mm 1.75 1.75 1.75 1.75
Outline
dimension W×D×H mm 1220×700×225 1220×700×225 1220×700×225 1220×700×225
Package
dimension W×D×H mm 1343×823×315 1343×823×315 1343×823×315 1343×823×315
Net Weight/Gross weight kg 40/50 40/50 40/50 45/54
Loading quantity
20'GP 66 66 66 66
40' GP 132 132 132 132
40' HQ 132 132 132 132
Notes:
a. Refer to the product nameplate for parameters and specification of the unit;
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.
KM09HTDI KM12HTDI KM18HTDI KM24HTDI

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PRODUCT
13
4.2.5 Console type
Model Heat pump
Capacity Cooling KW 2.6 3.5 5.3
Heating KW 2.8 3.8 5.8
Power supply V-Ph-Hz 208/230-1-60 208/230-1-60 208/230-1-60
Motor power input kW 0.05 0.05 0.05
Air flow volume m3/h 500 600 650
CFM 294 353 383
Sound pressure level
(SH/H/MH/M/ML/L/SL) dB(A) 40/38/36/33/30/27/25 42/40/38/37/35/32/27 48/46/44/41/37/35/32
Fan motor
Output kW 0.03 0.03 0.03
Running
current A 0.14 0.14 0.14
Connecting
pipe
Gas inch 3/8″(Φ9.52mm) 3/8″(Φ9.52mm) 1/2″(Φ12.7mm)
Liquid inch 1/4″(Φ6.35mm) 1/4″(Φ6.35mm) 1/4″(Φ6.35mm)
Connection method Flare Connection Flare Connection Flare Connection
Drain pipe
External
dia. mm Φ20 Φ20 Φ20
Thickness mm 1.5 1.5 1.5
Outline
dimension W×D×H mm 700×215×600 700×215×600 700×215×600
Package
dimension W×D×H mm 791×286×710 791×286×710 791×286×710
Net Weight/Gross weight kg 15/18 15/18 15/18
Loading quantity
20'GP 168 168 168
40' GP 348 348 348
40' HQ 440 440 440
Notes:
a. Refer to the product nameplate for parameters and specification of the unit;
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.
KM09HEDI KM12HEDI KM18HEDI

Super Free Match
Service Manual
PRODUCT 14
4.3 Product Data of BU Module
Maximum numbers of connectable indoor
units 2
Power Supply V-Ph-Hz 208/230-1-60
Connection
port to
outdoor
unit
Gas pipe
(inner diameter) mm Φ16.3 Φ16.3 Φ15.9
Liquid pipe
(inner diameter) mm Φ9.7 Φ9.7 Φ9.52
Connection Flare
Connection
port to
indoor unit
Gas pipe
(inner diameter) mm Φ16.3 Φ16.3 Φ9.52
Liquid pipe
(inner diameter) mm Φ6.5 Φ6.5 Φ6.35
Drainage
pipe
External dia. mm Φ31 Φ31 Φ31
Thickness mm
Dimension
(W×D×H)
Outline(Main) mm 361×313×182 513×312×193
Package mm 683×392×258 676×473×268
Net weight/Gross weight kg 5.8/7.5 6.2/8.0 9.0/11.0
Loading quantity
20'GP
40'GP
40'HQ
5Working Temperature Range
Sorts Indoor side state Outdoor side state
Dry bulb temp. ℃ Wet bulb temp. ℃ Dry bulb temp. ℃ Wet bulb temp. ℃
Rated Cooling 26.7 19.4 35 23.9
Max. cooling 32 23 48 26
Min. cooling 21 15 －15 —
Rated Heating 21.1 15.6 8.3 6.1
Max. heating 27 — 24 18
Min. heating 20 15 －20 —
Notes：
a. The heating/cooling capacity and noise listed below are all measured before the shipment.
b. All parameters listed below are measured under the standard working conditions. If there is any change, the
parameters marked on the nameplate always prevail.
c. The heating capacity of the indoor unit just involves that of the heat pump but apart from that of the auxiliary
electric heater.
KM21-BBU12-3
Model KM21-BBU13-3 KM21-BBU15-3
Method Braze Braze
3 5
Connection Flare
Method Braze Braze
3 3 3
138 138 120
294 294 246
294 294 246