Acson international H Series User manual

SPLIT SYSTEMS
Technical Manual
AIR CONDITIONER
DUCTED BLOWER
H SERIES
Cooling only [50Hz]
A5DB-H series
TM-5SB-H-AM-A4
R410A

SPLIT SYSTEMS AIR CONDITIONER
DUCTED BLOWER H SERIES
CONTENTS
P.1
P.5
P.15
P.24
P.46
P.62
1.
2. APPLICATION INFORMATION
• Operating Range
• Refrigerant Circuit Diagram
• Installation Guideline
NOMENCLATURE
• Indoor
• Outdoor
• Product Line-Up
3.
4.
6. PERFORMANCE DATA
• Calculation Steps
• Performance Tables
7. OUTLINE AND DIMENSION
P.42
5. ENGINEERING & PHYSICAL DATA
SELECTION PROCESS
P.86
8. WIRING DIAGRAMS
P.88
9. SERVICING AND MAINTENANCE
P.90
10. TROUBLESHOOTING
Please contact us for more information about Heat Pump unit.
* All specifications stated in this technical manual are for Cooling Only unit.
SOUND DATA
• Sound Pressure Level
• Sound Power Level
• NC Curv

NOMENCLATURE
1
Indoor
5DB 250 H 2
A-FMB R A
Product Type
DB: Ducted Blower
No. of Circuits
“ ” : 1 Circuit
“2” : 2 Circuits
“3” : 3 Circuits
“4” : 4 Circuits
“5” : 5 Circuits
Electrical Characteristics
A: 1 Phase 50Hz 220-240V
F: 3 Phase 50Hz 380-415V
Evaporator Fin Type
B: Hydrophilic Blue
Market
M: Malaysia
Brand
A: Acson
Refrigerant
5: R410A
Capacity
250: 250,000 Btu/hr
Product Series
H: H series
Product Specification
Variation
A: Revision
Air Discharge Orientation
H: Horizontal and Not Convertible
N: Horizontal and Convertible
R: Vertical and Convertible
V: Vertical and Not Convertible

2
5MC 125 H
A-FMG R A
Power Supply
Y1: 3 Phase 50Hz 380-415V
Outdoor
Brand
A: Acson
Refrigerant
5: R410A
Capacity
125: 125,000 Btu/hr
Product Series
H: H series
Product Type
MC: Modular Condensing Unit
Product Specification
Variation
A: Revision
Air Discharge Orientation
H: Horizontal and Not Convertible
R: Vertical and Convertible
Condenser Fin Type
G: Microchannel
F: E-coating Microchannel
Market
M: Malaysia

3
Product Line-Up
Indoor Unit
A5DB-H
Nomenclature
Classification
Control Fin Handset Refrigerant Control Air Filter Air Discharge
W/out Control Module W/out Contactor Bare Aluminium Hydrophilic Coated W/out Handset TXV W/out Air Filter Horizontal & Convertible Horizontal & Not Convertible Vertical & Convertible Vertical & Not Convertible
COOLING
A5DB80H AMBHA X X XXX X X
A5DB100H AMBHA X X XXX X X
A5DB125H FMBNA X X XXXX X
A5DB150H FMBNA X X XXXX X
A5DB200H2 FMBNA X X XXXX X
A5DB250H2 FMBRA X X XXX X X
A5DB300H2 FMBRA X X XXX X X
A5DB300H3 FMBRA X X XXX X X
A5DB350B3 FMBRA X X XXX X X
A5DB400H4 FMBRA X X XXX X X
A5DB450H3 FMBRA X X XXX X X
A5DB500H4 FMBRA X X XXX X X
XXXXXXXAVBMF4H006BD5A
XXXXXXXAVBMF5H057BD5A

4
Outdoor Unit
A5MC-H
Nomenclature
Classification
Control Fin Air Discharge
W/out Contactor With HP/LP Switch/Sensor With Phase Sequential Protector Microchannel E-coating Microchannel Horizontal & Convertible Horizontal & Not Convertible Vertical & Convertible Vertical & Not Convertible
COOLING
A5MC80H FMGHA XXX X X
XXXXXARGMFH001CM5A
XXXXXARGMFH521CM5A
XXXXXARGMFH051CM5A
A5MC80H FMFHA X X X X X
A5MC100H FMFRA X X X X X
A5MC125H FMFRA X X X X X
A5MC150H FMFRA X X X X X

5
APPLICATION INFORMATION
Operating Range
Ensure the operating temperature is in allowance range.
Cooling
The use of your air conditioner
outside the range of working
temperature and humidity can
result in serious failure.
Outdoor
DB (°C)
46
19
23 )C°(BWroodnI41
43
Cooling Operation Range
DB: Dry Bulb
WB: Wet Bulb

6
Refrigerant Circuit Diagram
Cooling Only
Outdoor
A5MC100H x 2 A5MC125H x 2 A5MC150H x 2 A5MC100H x 3 A5MC100H x 1 A5MC125H x 2 A5MC150H x 3 A5MC100H x 4 A5MC125H x 4 A5MC150H x 4 A5MC150H x 5
Indoor
A5DB200H2 A5DB250H2 A5DB300H2 A5DB300H3 A5DB350H3 A5DB450H3 A5DB400H4 A5DB500H4 A5DB600H4 A5DB750H5
System
1 IDU
2 ODU
1 IDU
3 ODU
1 IDU
4 ODU
1 IDU
5 ODU

7
Installation Guideline
INDOOR
PRELIMINARY SITE SURVEY
a) Electrical supply and installation is to conform to local authority’s (e.g. National Electricity Board) codes
and regulations.
b) Voltage supply fluctuation must not exceed +/- 10% of rated voltage. Electricity supply line must be
independent of welding transformers which can cause supply fluctuation.
c) Ensure that the location is convenient for wiring and piping.
MOUNTING
a) For ceiling mounted models, locate a position where piping and ducting work can be kept to a minimum.
Ensure that overhead supports are strong enough to hold the unit’s weight. Position hanger rods and
check for alignment with the unit. Check that hangers are secure and that the base of fan-coil unit is level
in two horizontal directions.
DRAINAGE PIPE SIDE
PIPINGS
Do not use contaminated or damaged copper tubings. If pipings, evaporator or condenser are exposed or
had been opened for 15 seconds or more, vacuum and purge with field supplied refrigerant. Generally, do
not remove plastic/rubber plugs/caps from fittings, tubings and coils until ready to connect suction or liquid
line into fittings.
OPERATIONAL CHECK
After all electrical wiring is completed and the system is charged with refrigerant, make sure unit is operating
properly. Check that:
a) Condenser fans are running, with warm air blowing off the condenser coil.
b) Evaporator blowers are running and discharging cool air.
c) Suction line inside condensing unit feels cool.
d) Liquid line inside condensing unit feels warm.
ELECTRICAL CONNECTION
As wiring regulations differ from country to country, please refer to your LOCAL ELECTRICAL CODES for
eld wiring regulations and ensure that these are complied with. Besides, observe the following general
precautions:
a) Ensure that the rated voltage of the unit corresponds to that of the name plate before commencing wiring
work.
b) Provide a power outlet to be used exclusively for each unit. A power supply disconnect and a circuit
breaker for over-current protection should be provided in the exclusive line.
c) The unit must be GROUNDED to prevent possible hazard due to insulation failure.
d) All wiring must be firmly connected.
e) Electrical wiring must not touch the refrigerant piping, compressor and any moving parts of the fan
motors.

8
INDOOR CLEARANCE
Mounting
Ensure that the overhead supports are strong enough to hold the unit’s weight. Position hanger rods and
check for alignment with the unit. Check that hangers are secure and that the base of fan-coil unit is level in
the two horizontal directions, taking into account the gradient recommended for drainage flow as shown.
Check the gradient recommended for drainage flow as follow.
Provide clearance for servicing and optimal air flow as shown in the diagram.
The indoor unit must be installed such that there is no short circuit of cool discharge with air discharge.
Respect the installation clearance.
Do not put the indoor unit where there is direct sunlight on unit. The location is suitable for piping and
drainage and it must be have a large distance between a door and unit.
10.0
300mm
300mm*
50mm
500mm
* for free return of air
300mm
A
Vertical air discharge
Horizontal air discharge
A
B
D
A
C
B
All dimensions in mm
Model A5DB80/100HA5DB125/150/200HA5DB250/300/350HA5DB400/450/500H
A5DB600/750H
A (mm) 800 800 800 800
B (mm) 800 800 800 800
008008--)mm(C
D (mm) - - 1000 1500

9
OUTDOOR
LOCATION FOR INSTALLATION OF THE CONDENSING UNITS
As condensing temperature rises, evaporating temperature rises and cooling capacity drops. In order to
achieve maximum cooling capacity, the location selected should ful fill the following requirements:-
a) Install the condensing (outdoor) unit in a way such that hot air distributed by the outdoor condensing unit
cannot be drawn in again (as in the case of short circuit of hot discharge air). Allow sufficient space for
maintenance around the unit.
b) Ensure that there is no obstruction of air
intake or discharge.
c) The location must be well ventilated, so that the unit can draw and distribute plenty of air thus lowering
the condensing temperature.
d) A place capable of bearing the weight of the outdoor unit and isolating noise and vibration.
e) A place protected from direct sunlight. Otherwise use an awning for protection, if necessary.
f) A place where the hot air discharge and operating sound level will not annoy the neighbours.
g) The location must not be susceptible to dust or oil mist.
If the condensing unit is operated in an atmosphere containing oils (including machine
oils), salt (coastal area), sulphide gas (near hot spring, oil refinery plant), such as
substances may lead to failure of the unit.
flow into or out of the unit. Remove obstacle which block air

10
OUTDOOR CLEARANCE
PATTERN 1
TOP VIEW
300
300 600
1200
TOP VIEW
PATTERN 2
A5MC80H
A5MC100/125/150H VERTICALA5MC100/125/150H HORIZONTAL
SERVICE PANEL
AIR DISCHARGE
DIRECTION
WALL / CEILING
AIR DISCHARGE GRILL
NOTE :
1) ALL DIMENSION ARE IN MM.
2) ALL DIMENSION MENTIONED ARE
MINIMUM DISTANCE REQUIRED.
UNLESS OTHERWISE SPECIFIED.
SINGLE UNIT
PATTERN 1 PATTERN 2
PATTERN 3
TOP VIEW TOP VIEW
FRONT VIEW
SIDE VIEW
600
300100
300
100
300
600
1500
<1500
1500
PATTERN 1
300
600 300
TOP VIEWTOP VIEW
1500
PATTERN 2
Unit Lifting
LEFT BY PALLET TRUCK/FOKLIFT
LEFT BY CRANE USING BELT
CONNECT TO 4 CORNER HOIST BRACKET
REMOVE THE TOP CRATE
Step 1 Step 2
a) By pallet truck / fork lift
b) By crane

11
CABLE SIZE
Cooling only
Model Unit A5DB80H A5DB100H A5DB125H
A5MC80H A5MC100H A5MC125H
Voltage range**
Indoor380 - 415V / 3Ph /50Hz + N +
Outdoor380 - 415V / 3Ph /50Hz + N +
Power supply cable size*
a) Indoor Unit
b) Outdoor Unit
c) Total
Number of conductors
a) Indoor Unit
b) Outdoor Unit
mm2
mm2
mm2
1.0
2.5
2.5
-
5
1.0
2.5
2.5
-
5
1.0
2.5
2.5
5
5
Interconnection cable size*
Number of conductors
mm21
4
1
4
-
-
Recommended fuse/
circuit breaker rating*
a) Indoor Unit
b) Outdoor Unit
c) Total
A
A
A
6
32
32
16
32
40
4
40
40
Model Unit A5DB150H A5DB200H2 A5DB250H2
A5MC150H
A5MC100H x 2 A5MC125H x 2
Voltage range**
Indoor380 - 415V / 3Ph /50Hz + N +
Outdoor380 - 415V / 3Ph /50Hz + N +
Power supply cable size*
a) Indoor Unit
b) Outdoor Unit
c) Total
Number of conductors
a) Indoor Unit
b) Outdoor Unit
mm2
mm2
mm2
1.0
4.0
4.0
5
5
1.0
2.5
6.0
5
5
1.0
2.5
10.0
5
5
Interconnection cable size*
Number of conductors
mm2-
-
-
-
-
-
Recommended fuse/
circuit breaker rating*
a) Indoor Unit
b) Outdoor Unit
c) Total
A
A
A
6
50
50
10
32
50
16
40
63

12
Model Unit
A5DB300H2 A5DB300H3 A5DB350H3
A5MC150H
x 2
A5MC100H
x 3 A5MC100H A5MC125H x 2
Voltage range**
Indoor380 - 415V / 3Ph /50Hz + N +
Outdoor380 - 415V / 3Ph /50Hz + N +
Power supply cable size*
a) Indoor Unit
b) Outdoor Unit
c) Total
Number of conductors
a) Indoor Unit
b) Outdoor Unit
mm2
mm2
mm2
1.0
4.0
16.0
5
5
1.0
2.5
16.0
5
5
1.0
2.5
16.0
5
5
Interconnection cable size*
Number of conductors
mm2-
-
-
-
-
-
-
-
Recommended fuse/
circuit breaker rating*
a) Indoor Unit
b) Outdoor Unit
c) Total
A
A
A
16
50
80
16
40
63
16
32
80
16
40
80
Model Unit A5DB400H4 A5DB450H3 A5DB500H4
A5MC100H x 4
A5MC150H x 3 A5MC125H x 4
Voltage range**
Indoor380 - 415V / 3Ph /50Hz + N +
Outdoor380 - 415V / 3Ph /50Hz + N +
Power supply cable size*
a) Indoor Unit
b) Outdoor Unit
c) Total
Number of conductors
a) Indoor Unit
b) Outdoor Unit
mm2
mm2
mm2
1.0
2.5
25.0
5
5
1.0
4.0
25.0
5
5
2.5
2.5
25.0
5
5
Interconnection cable size*
Number of conductors
mm2-
-
-
-
-
-
Recommended fuse/
circuit breaker rating*
a) Indoor Unit
b) Outdoor Unit
c) Total
A
A
A
20
32
80
20
50
100
32
40
100

13
Model Unit 5H057BD5A4H006BD5A
A5MC150H x 4 A5MC150H x 5
Voltage range**
Indoor380 - 415V / 3Ph /50Hz + N +
Outdoor380 - 415V / 3Ph /50Hz + N +
Power supply cable size*
a) Indoor Unit
b) Outdoor Unit
c) Total
Number of conductors
a) Indoor Unit
b) Outdoor Unit
mm2
mm2
mm2
2.5
4.0
35.0
5
5
2.5
4.0
50.0
5
5
Interconnection cable size*
Number of conductors
mm2-
-
-
-
Recommended fuse/
circuit breaker rating*
a) Indoor Unit
b) Outdoor Unit
c) Total
A
A
A
32
50
125
50
50
175
IMPORTANT:
* These values are for information only. They should be checked and selected to
comply with local and/or national codes and regulations.
They are also subject to the type of installation and size of conductors.
** The appropriate voltage range should be checked with label data on the unit.

14
REFRIGERANT PIPING
Maximum Piping Length and Maximum Number of Bends
When the pipe length becomes too long, both the capacity and reliability will drop and as the number of
bends increases, system piping resistance to the refrigerant flow increases, thus lowering the cooling
capacity. As a result the compressor may become defective. Always choose the shortest path and follow the
recommendation as tabulated below:
Cooling Only Model
Outdoor A5MC80/100/125/150H
Maximum Allowable Length, m 75
Maximum Allowable Elevation, m 30
Equivalent length for various fitting (meter)
tniojLeziSepiP Trap bend
03.181.0)mm25.9DO(”8/3
05.102.0)mm07.21DO(”2/1
00.252.0)mm88.51DO(”8/5
01.253.0)mm50.91DO(”4/3
00.304.0)mm32.22DO(”8/7
04.354.0)mm04.52DO(”1
07.305.0)mm85.82DO(”8/11
04.406.0)mm29.43DO(”8/31
Notes:
1. Equivalent piping length is obtained with actual length of gas piping.
2. 90° bend of piping is equivalent to L joint.
Bending must be carefully made so as not to crush the pipe.
Use a pipe bender to bend a pipe where possible.
Our guarantee on the performance of our air-conditioners is strictly revoked if the height
and/or length of the refrigerant piping system installed is beyond the limit above.
Additional Charge
For Brazed type, if the piping is less than 7.5m, follow the charge level on serial number sticker. When the
piping is more than 7.5m, use the table below.
R410A
Liquid Pipe OD (in) Additional Charge (kg/m)
80.0’’2/1
41.0’’8/5
NOTE:
The additional refrigerant charge amount recommended is a guideline for long piping
application. The actual charge required may be different from the guideline due to different
application and variation in site condition.
CAUTION

15
SOUND DATA
SOUND PRESSURE LEVEL
Indoor
Model Speed 1/1 Octave Sound Pressure (dB, ref 20μPa) Overall
(dBA)
Noise
Criteria
125Hz 250Hz 500Hz 1kHz 2kHz 4kHz 8kHz
A5DB80H
High 57 48 50 45 46 40 29 52 47
Med 55 48 51 45 46 39 28 52 47
Low 60 47 50 44 45 38 27 52 46
A5DB100H
High 64 54 52 48 48 42 34 55 50
Med 64 53 51 47 48 42 33 54 50
Low 64 52 50 45 48 41 32 54 50
A5DB125H High 53 52 53 46 43 39 28 53 49
A5DB150H High 54 54 56 48 45 41 32 56 53
A5DB200H2 High 58 60 60 55 54 48 42 61 57
A5DB250H2 High 62 57 59 59 57 52 43 63 58
A5DB300H2/H3 High 66 60 62 61 59 54 44 66 60
A5DB350H3 High 67 60 62 62 59 54 44 66 61
A5DB400H4 High 67 64 63 63 59 54 45 66 62
A5DB450H3 High 68 64 65 63 60 55 46 68 62
A5DB500H4 High 69 66 66 64 61 56 47 68 63
A5DB600H4 High 70 68 68 66 62 57 48 70 65
A5DB750H5 High 71 69 69 67 63 57 48 71 66
noitacoLgnirusaeMledoMroodnI
A5DB80H
A5DB100H
A5DB125H
A5DB150H
A5DB200H2
2mdischarge duct length 1mreturn duct length
UNIT
1.5m
Microphone position:
1.5m below centre of the unit.
(Tested with 2m length duct at the air discharge outlet and 1m length air return inlet)
Standard: JIS B 8615

16
noitacoLgnirusaeMledoMroodnI
A5DB250H2
A5DB300H2/H3
A5DB350H3
A5DB400H4
A5DB450H3
A5DB500H4
A5DB600H4
A5DB750H5
1m
2m discharge duct length
1m
UNIT
Free return duct
Microphone position:
1m away from every side panel of the unit and 1m above the floor level.
(Tested with 2m length duct at the air discharge outlet only)
Standard: JIS B 8615
Sound Power Level
Model Speed 1/1 Octave Sound Power Level (dB) ref 1pW Overall
(dBA)
125Hz 250Hz 500Hz 1kHz 2kHz 4kHz 8kHz
*A5DB80H
High 68 67 70 69 64 62 54 73
Med 69 64 68 68 61 59 60 70
Low 66 62 66 63 58 56 46 67
*A5DB100H
High 74 72 74 73 66 65 59 77
Med 73 70 73 71 64 62 55 75
Low 70 68 71 68 60 59 49 72
*A5DB125H High 75 76 78 70 69 62 58 78
*A5DB150H High 74 77 78 75 72 69 63 80
*A5DB200H2 High 83 84 83 81 77 73 68 85
A5DB250H2 High 85 86 85 83 79 75 70 87
A5DB300H2/H3 High 87 88 87 85 81 77 72 89
A5DB350H3 High 90 91 90 87 84 80 75 92
A5DB400H4 High 88 89 88 86 82 78 73 90
A5DB450H3 High 91 92 91 89 85 81 76 93
A5DB500H4 High 94 95 94 92 88 84 79 96
A5DB600H4 High 87 88 87 85 81 77 72 89
A5DB750H5 High 91 92 91 89 85 81 76 93
*Remarks: Test with 5ft length discharge duct, terminated flush with the internal wall of reverberation room.

17
NC Curve
10
20
30
40
50
60
70
80
0008000400020001005052521
A5DB80H
NC70
NC45
NC50
NC55
NC60
NC65
NC20
NC25
NC30
NC35
NC40
H
M
L
Octave-band frequency (Hz)
Sound pressure level (dB, ref 20μPa)
10
20
30
40
50
60
70
80
0008000400020001005052521
A5DB100H
NC70
NC45
NC50
NC55
NC60
NC65
NC20
NC25
NC30
NC35
NC40
H
M
L
Octave-band frequency (Hz)
Sound pressure level (dB, ref 20μPa)

18
10
20
30
40
50
60
70
80
0008000400020001005052521
A5DB125H
NC70
NC45
NC50
NC55
NC60
NC65
NC20
NC25
NC30
NC35
NC40
H
Octave-band frequency (Hz)
Sound pressure level (dB, ref 20μPa)
10
20
30
40
50
60
70
80
0008000400020001005052521
NC70
NC45
NC50
NC55
NC60
NC65
NC20
NC25
NC30
NC35
NC40
H
A5DB150H
Octave-band frequency (Hz)
Sound pressure level (dB, ref 20μPa)