AUX AMCA-H12/4R1A User manual

AUX DC Inverter Free Match 50HZ R410A
1
SERVICE MANUAL
(DC Inverter Free Match R410a)

AUX DC Inverter Free Match 50HZ R410AGeneral description
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Table of Contents
Part 1 General information..................................................................................................3
Part 2 Indoor unit.................................................................................................................7
Part 3 Free Match outdoor unit.........................................................................................68
Part 4 Trouble shooting.....................................................................................................96
Part 5 Controller ..............................................................................................................124
Part 6 Sensor resistance table .......................................................................................135

AUX DC Inverter Free Match 50HZ R410AGeneral description
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Part 1General information
1. Nomenclature
Outdoor Unit
Indoor Unit

AUX DC Inverter Free Match 50HZ R410AGeneral description
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2. Unit Appearance
Series
Picture of the indoor unit
Four-way Cassette
（New）
9K~18K Btu/h
Ceiling &Floor
9K~18K Btu/h
Low ESP Duct
7K~18K Btu/h
Wall-mounted
（L Series）
7K~18K Btu/h
Wall-mounted
（F Series）
7K~18K Btu/h

AUX DC Inverter Free Match 50HZ R410AGeneral description
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Series
Picture of the outdoor unit
Capacity(Btu)
18000
24000
27000
36000
42000
Outdoor Unit
（New）
1 drive 2
1 drive 3
1 drive 4
1 drive 5

AUX DC Inverter Free Match 50HZ R410AGeneral description
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*Note：
①All of the above indoor unit can be freely matched and combined,but must be installed strictly
according to the above table.Orthe cooling capacity and stability would be decreased.
②The wall mounted indoor unit(F series) cannot be matched with the 36/42K outdoor unit.

AUX DC Inverter Free Match 50HZ R410A Indoor unit
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Part 2 Indoor unit
Four-way cassette ...............................................................................................................5
Ceiling & floor type............................................................................................................22
Low ESP Ducted Type.......................................................................................................35
Wall Mounted Type ............................................................................................................49

AUX DC Inverter Free Match 50HZ R410A Four-way cassette
8
Four-way cassette
1. Function Introduction .....................................................................................................9
2. Specification..................................................................................................................10
3. Capacity Amendment....................................................................................................11
4. Dimension......................................................................................................................14
5. Electrical Diagram.........................................................................................................14
6. Installation .....................................................................................................................15
7. Explode view..................................................................................................................20

AUX DC Inverter Free Match 50HZ R410A Four-way cassette
9
1. Function Introduction
Function
Name
AMCA-H*/4R1A
09
12
18
Protection
Function
Anti-freeze protection
○
○
○
Sensor failure alarm
○
○
○
Error code display function
○
○
○
Comfortable
Function
Cooling
○
○
○
Heating
○
○
○
3 fan speed
○
○
○
Auto-restart (optional)
○
○
○
Anti-cold wind
○
○
○
Blow exhaust heat
○
○
○
Timer
○
○
○
Opretating
display
Clock display
○
○
○
Operating mode display
○
○
○
Fan speed display
○
○
○
Defrosting display
○
○
○
Timing on/off display
○
○
○
Sleeping display
○
○
○
Operation
mode
Auto/Cool/Dry/Heat
○
○
○
Dehumidify operation
○
○
○
Auto defrosting
○
○
○
Ventilation function
○
○
○
Health
function
Removable air filter
○
○
○
Fresh air function preserved
○
○
○
Installation instruction plate is available
○
○
○

AUX DC Inverter Free Match 50HZ R410A Four-way cassette
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2. Specification
Model
Indoor
Unit
AMCA-H09/4R1A
AMCA-H12/4R1A
AMCA-H18/4R1A
Capacity
Cooling
Btu/h
9560(5120-12115)
12285(5800-12625)
17060(8530-19107)
kW
2.80(1.50-3.55)
3.60(1.70-3.70)
5.0(2.50-5.6)
Heating
Btu/h
10240(5460-13000)
13306(6930-15080)
19107(10340-24000)
kW
3.00(1.60-3.81)
3.9(2.03-4.42)
5.6(3.03-7.03)
Electric Data
Power Supply
V~,Hz,Ph
220~240,50,1
220~240,50,1
220~240,50,1
Cooling Power Input
W
70(17.5-109)
70(17.5-109)
70(17.5-109)
Heating Power Input
W
70(17.5-109)
70(17.5-109)
70(17.5-109)
Fan Motor
Model
/
XD30B
XD30B
XD30B
Output Power
W
30
30
30
Capacitor
uF
2.0
2.0
2.0
Speed (Hi/Mi/Lo)
r/min
839/757/688
839/757/688
839/757/688
Indoor Coil
Number Of Row
/
2
2
2
Tube Pitchx Row Pitch
mm
20.5x 12.7
20.5x 12.7
20.5x 12.7
Fin Pitch
mm
1.5
1.5
1.5
Fin Material
/
Hydrophilic aluminum fin
Hydrophilic aluminum fin
Hydrophilic aluminum fin
Tube Outside Dia.&Material
mm
φ7，Inner grooved
φ7，Inner grooved
φ7，Inner grooved
Coil Length x Height x Width
mm
1352x205x 25.4
1352x205x 25.4
1352x205x 25.4
Heat Exchanging Area
m2
5.76
5.76
5.76
Performance
Air Flow Volume
m3/h
700/600/530
700/600/530
700/600/530
Sound Pressure Level
dB(A)
45/41/35
45/41/35
45/41/35
Dimension
Net Dim (W*D*H)
mm
570×570×260
570×570×260
570×570×260
Packing Dim (W*D*H)
mm
635x635x290
635x635x290
635x635x290
Net(Panel)
mm
650x650x55
650x650x55
650x650x55
Packing(Panel)
mm
710x710x80
710x710x80
710x710x80
Weight
Net(Body)
kg
18
18
18
Gross(Body)
kg
21
21
21
Net(Panel)
kg
3
3
3
Gross(Panel)
kg
5
5
5
Refrigerant Type
/
R410a
R410a
R410a
Pipe Dia
Liquid Side
mm(inch)
6.35(1/4)
6.35(1/4)
6.35(1/4)
Gas Side
mm(inch)
12.7(1/2)
12.7(1/2)
12.7(1/2)
Drainage
mm
20
20
20
Loading Qty
20/40/40H
unit
150/315/354
150/315/354
150/315/354
Note:
1. Cooling capacity test Condition:(27℃DB,19℃WB Indoor/35℃DB,24℃WB Outdoor);
Heating capacity test Condition:(20℃DB Indoor/7℃DB,6℃WB Outdoor);
connecting pipe length: 5M.
2. Datas may be changed withunit improvement. We keep the right to change the datas or specifications
withoutprior notice, please follow the datas listed on the nameplate.