Omega OTEC IECS-D Series User manual

IECS-D Series
Round-Flow Ceiling Cassette
Technical Manual

Applicable Models:
Indoor units:
Four-Way Cassette
IECS018J3A-DWG053
IECS024J3A-DWG071
IECS031J3A-DWG090
IECS036J3A-DWG105
IECS042J3A-DWG120
IECS048J3A-DWG140
Outdoor unit
ICHD009J0A-DMG026
ICHD012J0A-DMG035
ICHD018J0A-DMG053
ICHD024J0A-DMG071
ICHD031J0A-DMG090
ICHD036J0A-DMG105
ICHD042J0A-DMG120
ICHD048J0A-DMG140
ICHD060J0A-DMG160

1
Content
Part. 1 General information ....................................................... 2
Part. 2 Outdoor Unit ................................................................... 6
Part. 3 Indoor Unit ................................................................... 18
Part. 4 Installation & Troubleshooting .................................. 107

2
Part. 1 General information
1. Model Names of Indoor/Outdoor Units .............................. 3
2. External Appearance ............................................................ 4

3
1. Model Names of Indoor/Outdoor Units
Type
Indoor unit
Outdoor unit
Model
Power supply
Model
Power supply
Four-way Cassette IECS018J3A 220-240V~, 1Ph, 50Hz ICHD018J0A 220-240V~, 1Ph, 50Hz
Four-way Cassette IECS024J3A 220-240V~, 1Ph, 50Hz ICHD024J0A 220-240V~, 1Ph, 50Hz
Four-way Cassette IECS031J3A 220-240V~, 1Ph, 50Hz ICHD031J0A 220-240V~, 1Ph, 50Hz
Four-way Cassette IECS036J3A 220-240V~, 1Ph, 50Hz ICHD036J0A 220-240V~, 1Ph, 50Hz
Four-way Cassette IECS042J3A 220-240V~, 1Ph, 50Hz ICHD042J0A 220-240V~, 1Ph, 50Hz
Four-way Cassette IECS048J3A 220-240V~, 1Ph, 50Hz ICHD048J0A 220-240V~, 1Ph, 50Hz

4
2. External Appearance
2.1 Indoor units
IECS018J3A / IECS024J3A / IECS031J3A / IECS036J3A / IECS042J3A / IECS048J3A / IECS060J3A
2.2 Outdoor unit
ICHD009J0A / ICHD012J0A / ICHD018J0A/ ICHD024J0A
ICHD031J0A/ ICHD036J0A / ICHD042J0A / ICHD048J0A/ ICHD060J0A

7
Part. 2 Outdoor Unit
1. Specifications ...................................................................... 7
2. Dimension (Unit:mm) .......................................................... 9
3. Refrigerant circuit ............................................................. 10
4. Wiring Diagrams ................................................................ 14
5. Electric Characteristics .................................................... 16
6. Sound Levels ..................................................................... 17
7. Accessories ....................................................................... 17

23
Part. 3 Indoor Unit
1.Specifications ....................................................................... 19
2.Dimensions (Unit: mm) ....................................................... 21
3.Wiring Diagrams .................................................................. 32
4.Capacity Table ...................................................................... 23
5.Static Pressure Curve ......................................................... 46
6.Electric Characteristics ....................................................... 48
7.Sound Levels ........................................................................ 49
8. Accessories ......................................................................... 49

27
Table 1.4: IECS018, 024, 031, 036 specifications
Model name
IECS018J3A IECS024J3A IECS031J3A IECS036J3A
Power supply
1-phase, 220-240V, 50Hz
Cooling
Capacity
W
5300(1050~6200)
7200(2400~8200)
9000(2800~9400)
10500(3200~11200)
Input (IDU+ODU)
W
1600(330~2520)
2240(560~2840)
3000(680~3480)
3500(820-4200)
Input (IDU)
W
80
100
100
190
EER
/
3.31
3.21
3.00
3.00
Heating
Capacity
W
6000(1340~6600)
8200(1880~8800)
9900(2600~10200)
11600(3300~12500)
Input (IDU+ODU)
W
1740(350~2250)
2740(435~3180)
3000(640~3520)
3400(800-4300)
Input (IDU)
W
80
100
100
190
COP
/
3.45
2.99
3.30
3.41
Fan motor
Model
YDK26-6S
YDK30-6S
YDK30-6S
YDK65-6S
Type
Ac motor
Brand
Welling
Speed (H/M/L)
r/min
490/400/340
590/500/420
590/500/420
630/590/480
Coil
Number of rows
2
2
2
2
Tube pitch × row pitch
mm
21×13.37
21×13.37
21×13.37
21×13.37
Fin spacing
mm
1.5
Fin type
Arc shutter
Tube OD and type
mm
∅7, Copper pipe with internal thread
Dimensions (L×H ×W)
mm
2051×168×26.7
2051×252×26.7
Number of circuits
8
12
Airflow rate
m3/h
900/730/620
1000/840/710
1200/1000/850
1600/1500/1140
Sound pressure level
dB(A)
38/36/35
41/39/38
43/39/38
46/39/38
Unit
Net dimensions
(W×H×D)
mm
840×230×840
840×300×840
Packed dimensions
(W×H×D)
mm
955×260×955
955×330×955
Net/Gross weight
kg
22.5/27.3
22.8/27.6
23.3/28.1
28.7/33.7
Refrigerant type
R410A
Design pressure (H/L)
MPa
4.4/2.6
Pipe
connections
Liquid/Gas pipe
mm
Ф6.35/Ф12.7
Ф6.35/Ф15.9
Ф9.5/Ф15.9
Ф9.5/Ф15.9
Drain pipe
mm
Ф32
Ф32
Ф32
Ф32
Piping Length
m
25
25
30
30
Level Difference
m
15
15
20
20
Controller
RM05
Panel
Model
T-MBQ4-01E
Net/Gross weight
kg
5.8/7.9
Note:
1. The design implementation standard of this unit is GB/T 18836-2017.
2. The parameters in the table are the nominal values tested under the rated working conditions specified in GB/T 18836-2017, and
actual operating parameters will vary with the working conditions.
3. The above parameters may change due to product improvement. Please refer to the nameplate parameters of the product.

28
Table 1.5: IECS042, 048 specifications
Model name
IECS042J3A IECS048J3A
Power supply
1-phase, 220-240V, 50Hz
Cooling
Capacity
W
12000(3200~12500)
14000(4200~14200)
Input (IDU+ODU)
W
4850(800~5200)
6000(1200~6200)
Input(IDU)
W
190
190
EER
/
2.47
2.33
Heating
Capacity
W
13200(3300~13800)
15400(4500~16000)
Input (IDU+ODU)
W
4500(700~4900)
4800(1000~5200)
Input (IDU)
W
190
190
COP
/
2.93
3.21
Fan motor
Model
YDK65-6S
YDK65-6S
Type
Ac motor
Brand
Welling
Speed (H/M/L)
r/min
630/590/480
660/620/510
Coil
Number of rows
2
3
Tube pitch × row pitch
mm
21×13.37
Fin spacing
mm
1.5
Fin type
Arc shutter
Tube OD and type
mm
∅7, Copper pipe with internal thread
Dimensions (L×H ×W)
mm
2051×252×26.7
2007×252×40.1
Number of circuits
12
12
Airflow rate
m3/h
1600/1500/1140
1720/1600/1220
Sound pressure level
dB(A)
46/39/38
48/41/39
Unit
Net dimensions (W×H×D)
mm
840×300×840
Packed dimensions (W×H×D)
mm
955×330×955
Net/Gross weight
kg
28.7/33.7
30.8/35.8
Refrigerant type
R410A
Design pressure (H/L)
MPa
4.4/2.6
Pipe
connections
Liquid/Gas pipe
mm
Ф9.5/Ф15.9
Ф9.5/Ф15.9
Drain pipe
mm
Ф32
Ф32
Piping Length
m
30
50
Level Difference
m
20
25
Controller
RM05
Panel
Model
T-MBQ4-01E
Net/Gross weight
kg
5.8/7.9
Note:
1. The design implementation standard of this unit is GB/T 18836-2017.
2. The parameters in the table are the nominal values tested under the rated working conditions specified in GB/T 18836-2017, and
actual operating parameters will vary with the working conditions.
3. The above parameters may change due to product improvement. Please refer to the nameplate parameters of the product.

32
2.2 Four-way Cassette
M
DB
C
H
J
A
ϕ75
(Fresh air inlet)
A
M
G
Refrigerant piping vent
(gas side L)
Refrigerant piping vent
(liquid side K)
ϕ32 (outer diameter of
water discharge pipe)
E
F
145
≥ 20
N
Mounting hooks
Hexagon nut
(Level adjustment)
Ceiling Panel Main body of air
conditioner
L
10–12mm
Ceiling
Water discharge
pipe
Main body of air conditioner

33
Model IECS018J3A-
DWG-053
IECS024J3A-
DWG-071
IECS031J3A-
DWG-090
IECS036(42,48)J3A-
DWG-105(120,14)
A 840 840 840 840
B 230 230 230 300
C 126 126 126 197
D 780 780 780 780
E 680 680 680 680
F 780 780 780 780
G 680 680 680 680
H 105 105 105 105
J 70 70 70 70
K Ф6.4 Ф6.4 Ф9.5 Ф9.5
L Ф12.7 Ф15.9 Ф15.9 Ф15.9
M 950 950 950 950
N 46 46 46 46

38
3.2 Four-way Cassette
IECS018J3A-DWG053 / IECS024J3A-DWG071
IDU EEPROM error
Error Description
Indoor-outdoor communication fault
Indoor fan stall fault
ODU temperature sensor or EPROM fault
Error Code
ODU EPROM fault
T3 sensor error
T4 sensor error
TP sensor error
Air return temperature sensor error
IDU temperature sensor fault
IDU room temperature T1 sensor error
IDU pipe temperature T2 sensor error
ODU DC fan stall fault
Outdoor fan over-current (external driving)
Outdoor fan stall (external driving)
Outdoor fan phase loss (external driving)
Outdoor fan zero speed (external driving)
Water level alarm error
ODU IPM module protection
Voltage protection
E0
E1
E3
E5
E50
E51
E52
E53
E54
E55
E6
E60
E61
E7
E71
E72
E73
E74
EE
P0
P1
Low voltage protection
High voltage protection
Outdoor DC-side voltage protection
Compressor over-current protection
Main control chip and driver chip communication
fault
Compressor current sampling circuit fault
Compressor start-up fault
Compressor phase loss protection
Compressor zero speed protection
ODU electric control power down protection
Compressor stall protection
Compressor lock protection
Compressor out-synchronous protection
Compressor high discharge temperature protection
Outdoor electric control current protection
ODU current protection
P41
P47
P49
P6
P8
P82
PA
PF
P10
P11
P12
Temperature protection for compressor top
P42
High temperature protection of condenser
PFC module switch power-off
P43
P44
P45
P46
P48
P81
Input AC current sampling circuit fault
Error Description
ODU temperature sensor fault
P2
P4ODU compressor feedback protection
P40
Evaporator high orlow temperature protection
Evaporator high temperature protection
Evaporator low temperature protection
Evaporator high and low temperature frequency limit
Condenser high temperature frequency limit
Compressor high discharge temperature frequency
limit
Current frequency limit
Voltage frequency limit
PFC module fault frequency limit
P9
P90
P91
L0
L1
L2
L5
L6
L3
Error Code

39
IECS031J3A-DWG090 / IECS036J3A-DWG105 / IECS042J3A-DWG120 / IECS048J3A-DWG140
Temperature compensation
in heating mode is 0℃
(Follow Me function)
Temperature
compensation in heating
mode is 2℃
Temperature
compensation in heating
mode is 4℃
Yellow/Green Black Red
ON to indicate that the operating mode judgment time
in auto mode is 15 minutes
OFF to indicate that the temperature compensation in
cooling mode t = 0℃ (factory default)
ON to indicate that the temperature compensation in
cooling mode t = 2℃
OFF to indicate that the operating mode judgment
time in auto mode is 30 minutes (factory default)
OFF to indicate that the open condition in the auto-open
mode of auxiliary electric heaterT4 = 0℃ (factory default)
ON to indicate that the open condition in the auto-open
mode of auxiliary electric heaterT4 = 15℃
OFF to indicate that the anti-cold air temperature value in
heating mode is 24℃ (factory default)
ON to indicate that the anti-cold air temperature value in
heating mode is 15℃
220-240V～50Hz
Power Supply
XT1
Temperature compensation in
heating mode is 6℃ (factory
default)
Yellow/Green
Attention:Please use three core shielding wire, and the shielding layer must be connected to the of sheet metal
Indoor Main Control Board
Red
Brown
Red
Yellow/Green
Drawings are for reference only.
10500W
9000W
14000W
16000W
8
7
9
A
ENC1 Toggle
Switch
Code
Set
horsepower
Capacity
12000W
ENC1
Error or protection definition
HF
H4
E7
E9
E.9.
H0
E1
E2
E3
E43
E44
E45
E5
E6
EE
EH
Eb
EF
PL
P1
P2
P3
P4
P5
PE
L0
L1
IDU mismatching error
L (L0/L1) error occurs three times in one hour, reporting
H4, and this error is not recoverable
IDU EEPROM error
ODU EEPROM error
Wrong compressor model in EPROM
Communication error between main control
board and IR341
T1 sensor error
T2 sensor error
T2B sensor error
T3 sensor error
T4 sensor error
T5 sensor error
Voltage protection error
ODU DC fan error
Water level alarm error
TL sensor error
E6 error occurs six times in one hour,
requiring power failure recovery
PFC feedback resistance failure
Heat sinkTF high temperature protection
High pressure protection
Low pressure protection
Input current protection
Discharge temperature protection
Outdoor condenserT3 high temperature protection
EvaporatorT2 high temperature protection
Module protection is triggered
DC bus low voltage protection
DC bus high voltage protection
MCE error
Zero speed protection
Phase loss
Protection when the previous and next speed change
is > 15 Hz
Protection for a difference of > 15 Hz between the set
speed and operating speed
Detected DC bus voltage (PN voltage) < 200 VDC for
5S after power-on
Typhoon protection
Ambient temperature less than or equal to 10℃ in
cooling mode
Communication error between IDU and ODU
E4 L2
L4
L5
L7
L8
L9
F1
P8
EP
Error
Code Error or protection definition
Error
code
Ed ODU error

78
4.2 Four-way Cassette
Model IECS018J3A-DWG053
Cooling mode:
Capacity(kW)
Outdoor air
temperature
(°C DB)
Indoor air temperature (°C WB/DB)
14/20
16/23
18/26
19/27
20/28
22/30
24/32
TC
SC
TC
SC
TC
SC
TC
SC
TC
SC
TC
SC
TC
SC
Indoor Airflow(m3/h)
kW
kW
kW
kW
kW
kW
kW
kW
kW
kW
kW
kW
kW
kW
900
10.00
6.45
4.44
6.60
4.48
6.70
4.48
6.80
4.61
7.00
4.81
7.20
5.01
7.30
5.14
12.00
6.33
4.42
6.48
4.46
6.58
4.46
6.68
4.59
6.88
4.78
7.08
4.98
7.18
5.12
14.00
6.21
4.40
6.36
4.44
6.46
4.44
6.56
4.55
6.76
4.75
6.96
4.96
7.06
5.09
16.00
6.09
4.37
6.24
4.41
6.34
4.42
6.44
4.52
6.64
4.72
6.84
4.92
6.94
5.06
18.00
5.97
4.35
6.12
4.39
6.22
4.39
6.32
4.49
6.52
4.69
6.72
4.89
6.82
5.03
20.00
5.85
4.32
6.00
4.36
6.10
4.37
6.20
4.45
6.40
4.65
6.60
4.86
6.70
4.99
21.00
5.79
4.33
5.94
4.37
6.04
4.38
6.14
4.45
6.34
4.66
6.54
4.87
6.64
5.00
23.00
5.67
4.29
5.82
4.34
5.92
4.35
6.02
4.41
6.22
4.62
6.42
4.83
6.52
4.96
25.00
5.55
4.26
5.70
4.31
5.80
4.32
5.90
4.37
6.10
4.58
6.30
4.79
6.40
4.92
27.00
5.43
4.22
5.58
4.27
5.68
4.28
5.78
4.33
5.98
4.54
6.18
4.75
6.28
4.88
29.00
5.31
4.18
5.46
4.23
5.56
4.24
5.66
4.28
5.86
4.49
6.06
4.70
6.16
4.84
31.00
5.19
4.13
5.34
4.19
5.44
4.21
5.54
4.23
5.74
4.44
5.94
4.66
6.04
4.79
33.00
5.07
4.09
5.22
4.15
5.27
4.12
5.42
4.19
5.62
4.40
5.82
4.61
5.92
4.75
35.00
4.95
4.04
5.10
4.10
5.20
4.12
5.30
4.13
5.50
4.35
5.70
4.56
5.80
4.70
37.00
4.75
3.92
4.90
3.99
5.00
4.01
5.10
4.02
5.30
4.23
5.50
4.44
5.60
4.58
39.00
4.55
3.80
4.70
3.87
4.80
3.89
4.90
3.90
5.10
4.11
5.30
4.32
5.40
4.46
42.00
4.25
3.59
4.40
3.66
4.50
3.69
4.60
3.70
4.80
3.91
5.00
4.12
5.10
4.25
44.00
3.85
3.29
4.00
3.37
4.10
3.40
4.20
3.41
4.40
3.62
4.60
3.83
4.70
3.96
46.00
3.55
3.07
3.70
3.15
3.80
3.19
3.90
3.19
4.10
3.40
4.30
3.61
4.40
3.74
48.00
3.35
2.93
3.50
3.02
3.60
3.06
3.70
3.06
3.90
3.27
4.10
3.48
4.20
3.61
50.00
3.15
2.79
3.30
2.88
3.40
2.92
3.50
2.92
3.70
3.13
3.90
3.34
4.00
3.47
52.00
2.85
2.55
3.00
2.64
3.10
2.69
3.20
2.70
3.40
2.90
3.60
3.11
3.70
3.24
55.00
2.55
2.31
2.70
2.41
2.80
2.46
2.90
2.47
3.10
2.67
3.30
2.88
3.40
3.00

80
Model IECS024J3A-DWG071
Cooling mode:
Capacity(kW)
Outdoor air
temperature
(°C DB)
Indoor air temperature (°C WB/DB)
14/20
16/23
18/26
19/27
20/28
22/30
24/32
TC
SC
TC
SC
TC
SC
TC
SC
TC
SC
TC
SC
TC
SC
Indoor
Airflow(m3/h)
kW
kW
kW
kW
kW
kW
kW
kW
kW
kW
kW
kW
kW
kW
1000
10.00
8.64
5.34
8.88
5.41
9.04
5.43
9.20
5.61
9.44
5.82
9.68
6.04
9.80
6.18
12.00
8.48
5.30
8.72
5.37
8.88
5.39
9.04
5.56
9.28
5.77
9.52
5.99
9.64
6.14
14.00
8.32
5.26
8.56
5.33
8.72
5.35
8.88
5.51
9.12
5.72
9.36
5.94
9.48
6.09
16.00
8.16
5.21
8.40
5.29
8.56
5.32
8.72
5.46
8.96
5.67
9.20
5.89
9.32
6.04
18.00
8.00
5.17
8.24
5.25
8.40
5.27
8.56
5.40
8.80
5.62
9.04
5.84
9.16
5.98
20.00
7.84
5.12
8.08
5.20
8.24
5.23
8.40
5.35
8.64
5.56
8.88
5.78
9.00
5.93
21.00
7.76
5.12
8.00
5.21
8.16
5.24
8.32
5.34
8.56
5.56
8.80
5.78
8.92
5.93
23.00
7.60
5.07
7.84
5.16
8.00
5.19
8.16
5.28
8.40
5.50
8.64
5.72
8.76
5.87
25.00
7.44
5.02
7.68
5.11
7.84
5.14
8.00
5.22
8.24
5.44
8.48
5.67
8.60
5.81
27.00
7.28
4.96
7.52
5.05
7.68
5.09
7.84
5.16
8.08
5.38
8.32
5.61
8.44
5.75
29.00
7.12
4.90
7.36
5.00
7.52
5.03
7.68
5.10
7.92
5.32
8.16
5.54
8.28
5.69
31.00
6.96
4.84
7.20
4.94
7.36
4.98
7.52
5.03
7.76
5.25
8.00
5.48
8.12
5.63
33.00
6.80
4.78
7.04
4.88
7.12
4.86
7.36
4.96
7.60
5.19
7.84
5.41
7.96
5.56
35.00
6.64
4.71
6.88
4.82
7.04
4.86
7.20
4.90
7.44
5.12
7.68
5.35
7.80
5.49
37.00
6.40
4.59
6.64
4.69
6.80
4.74
6.96
4.77
7.20
4.99
7.44
5.22
7.56
5.36
39.00
6.16
4.46
6.40
4.57
6.56
4.62
6.72
4.64
6.96
4.87
7.20
5.09
7.32
5.24
42.00
5.80
4.24
6.04
4.35
6.20
4.41
6.36
4.43
6.60
4.65
6.84
4.87
6.96
5.02
44.00
5.26
3.88
5.50
4.00
5.66
4.06
5.82
4.08
6.06
4.30
6.30
4.53
6.42
4.66
46.00
4.82
3.59
5.06
3.72
5.22
3.78
5.38
3.80
5.62
4.02
5.86
4.24
5.98
4.38
48.00
4.58
3.45
4.82
3.58
4.98
3.64
5.14
3.66
5.38
3.88
5.62
4.10
5.74
4.23
50.00
4.34
3.30
4.58
3.43
4.74
3.50
4.90
3.52
5.14
3.73
5.38
3.95
5.50
4.09
52.00
4.00
3.07
4.24
3.21
4.40
3.28
4.56
3.30
4.80
3.51
5.04
3.73
5.16
3.87
55.00
3.64
2.82
3.88
2.96
4.04
3.04
4.20
3.06
4.44
3.27
4.68
3.49
4.80
3.62

81
Heating mode:
Capacity (kW)
Outdoor air temperature (°C)
Indoor air temperature (°C DB)
16
18
20
21
22
24
TC
TC
TC
TC
TC
TC
Indoor
Airflow(m3/h)
WB
DB
kW
kW
kW
kW
kW
kW
1000
-15.30
-15.00
3.62
3.49
3.36
3.30
3.23
3.10
-13.00
-12.60
4.15
4.02
3.89
3.82
3.76
3.63
-11.00
-10.50
4.61
4.48
4.35
4.29
4.22
4.09
-10.00
-9.50
4.83
4.70
4.57
4.51
4.44
4.31
-9.10
-8.50
5.05
4.92
4.79
4.73
4.66
4.53
-7.60
-7.00
5.38
5.25
5.12
5.06
4.99
4.86
-5.60
-5.00
5.62
5.49
5.36
5.30
5.23
5.10
-3.70
-3.00
5.96
5.83
5.70
5.64
5.57
5.44
-0.70
0.00
6.36
6.23
6.10
6.04
5.97
5.84
2.20
3.00
6.86
6.73
6.60
6.54
6.47
6.34
4.10
5.00
7.66
7.53
7.40
7.34
7.27
7.14
6.00
7.00
8.46
8.33
8.20
8.14
8.07
7.94
7.90
9.00
8.66
8.53
8.40
8.34
8.27
8.14
9.80
11.00
8.86
8.73
8.60
8.54
8.47
8.34
11.80
13.00
9.06
8.93
8.80
8.74
8.67
8.54
13.70
15.00
9.26
9.13
9.00
8.94
8.87
8.74
15.60
17.00
9.46
9.33
9.20
9.14
9.07
8.94
17.56
19.00
9.66
9.53
9.40
9.34
9.27
9.14
19.48
21.00
9.86
9.73
9.60
9.54
9.47
9.34
21.41
23.00
10.06
9.93
9.80
9.74
9.67
9.54
22.37
24.00
10.16
10.03
9.90
9.84
9.77
9.64

82
Model IECS031J3A-DWG090
Cooling mode:
Capacity(kW)
Outdoor air
temperature
(°C DB)
Indoor air temperature (°C WB/DB)
14/20
16/23
18/26
19/27
20/28
22/30
24/32
TC
SC
TC
SC
TC
SC
TC
SC
TC
SC
TC
SC
TC
SC
Indoor
Airflow(m3/h)
kW
kW
kW
kW
kW
kW
kW
kW
kW
kW
kW
kW
kW
kW
1200
10.00
10.94
7.31
11.18
7.38
11.34
7.40
11.50
7.52
11.74
7.76
11.98
8.01
12.10
8.17
12.00
10.74
7.25
10.98
7.33
11.14
7.34
11.30
7.46
11.54
7.70
11.78
7.94
11.90
8.11
14.00
10.54
7.19
10.78
7.27
10.94
7.28
11.10
7.39
11.34
7.63
11.58
7.88
11.70
8.05
16.00
10.34
7.12
10.58
7.20
10.74
7.22
10.90
7.32
11.14
7.56
11.38
7.81
11.50
7.98
18.00
10.14
7.05
10.38
7.14
10.54
7.16
10.70
7.25
10.94
7.49
11.18
7.74
11.30
7.91
20.00
9.94
6.98
10.18
7.07
10.34
7.09
10.50
7.17
10.74
7.42
10.98
7.67
11.10
7.83
21.00
9.84
6.98
10.08
7.06
10.24
7.09
10.40
7.17
10.64
7.41
10.88
7.66
11.00
7.83
23.00
9.64
6.90
9.88
6.99
10.04
7.02
10.20
7.09
10.44
7.33
10.68
7.58
10.80
7.75
25.00
9.44
6.82
9.68
6.91
9.84
6.94
10.00
7.01
10.24
7.25
10.48
7.51
10.60
7.67
27.00
9.24
6.74
9.48
6.84
9.64
6.87
9.80
6.93
10.04
7.17
10.28
7.42
10.40
7.59
29.00
9.04
6.66
9.28
6.75
9.44
6.79
9.60
6.84
9.84
7.09
10.08
7.34
10.20
7.51
31.00
8.84
6.57
9.08
6.67
9.24
6.71
9.40
6.75
9.64
7.00
9.88
7.25
10.00
7.42
33.00
8.64
6.48
8.88
6.58
8.96
6.56
9.20
6.66
9.44
6.91
9.68
7.16
9.80
7.33
35.00
8.44
6.39
8.68
6.49
8.84
6.53
9.00
6.57
9.24
6.82
9.48
7.07
9.60
7.24
37.00
8.04
6.14
8.28
6.25
8.44
6.29
8.60
6.33
8.84
6.58
9.08
6.83
9.20
6.99
39.00
7.64
5.89
7.88
6.00
8.04
6.05
8.20
6.08
8.44
6.33
8.68
6.58
8.80
6.74
42.00
7.04
5.47
7.28
5.59
7.44
5.65
7.60
5.68
7.84
5.92
8.08
6.17
8.20
6.33
44.00
6.54
5.13
6.78
5.25
6.94
5.31
7.10
5.35
7.34
5.59
7.58
5.84
7.70
5.99
46.00
6.04
4.78
6.28
4.91
6.44
4.97
6.60
5.01
6.84
5.25
7.08
5.49
7.20
5.65
48.00
5.64
4.50
5.88
4.64
6.04
4.70
6.20
4.74
6.44
4.98
6.68
5.22
6.80
5.37
50.00
5.24
4.22
5.48
4.36
5.64
4.43
5.80
4.47
6.04
4.71
6.28
4.95
6.40
5.10
52.00
4.74
3.85
4.98
3.99
5.14
4.07
5.30
4.12
5.54
4.35
5.78
4.59
5.90
4.73
55.00
4.14
3.39
4.38
3.54
4.54
3.63
4.70
3.68
4.94
3.91
5.18
4.14
5.30
4.28

83
Heating mode:
Capacity (kW)
Outdoor air temperature (°C)
Indoor air temperature (°C DB)
16
18
20
21
22
24
TC
TC
TC
TC
TC
TC
Indoor
Airflow(m3/h)
WB
DB
kW
kW
kW
kW
kW
kW
1200
-15.30
-15.00
4.82
4.66
4.50
4.42
4.34
4.18
-13.00
-12.60
5.42
5.26
5.10
5.02
4.94
4.78
-11.00
-10.50
5.95
5.79
5.63
5.55
5.47
5.31
-10.00
-9.50
6.20
6.04
5.88
5.80
5.72
5.56
-9.10
-8.50
6.45
6.29
6.13
6.05
5.97
5.81
-7.60
-7.00
6.82
6.66
6.50
6.42
6.34
6.18
-5.60
-5.00
7.12
6.96
6.80
6.72
6.64
6.48
-3.70
-3.00
7.42
7.26
7.10
7.02
6.94
6.78
-0.70
0.00
7.83
7.67
7.51
7.43
7.35
7.19
2.20
3.00
8.24
8.08
7.92
7.84
7.76
7.60
4.10
5.00
9.28
9.12
8.96
8.88
8.80
8.64
6.00
7.00
10.32
10.16
10.00
9.92
9.84
9.68
7.90
9.00
10.52
10.36
10.20
10.12
10.04
9.88
9.80
11.00
10.72
10.56
10.40
10.32
10.24
10.08
11.80
13.00
10.92
10.76
10.60
10.52
10.44
10.28
13.70
15.00
11.12
10.96
10.80
10.72
10.64
10.48
15.60
17.00
11.32
11.16
11.00
10.92
10.84
10.68
17.56
19.00
11.52
11.36
11.20
11.12
11.04
10.88
19.48
21.00
11.72
11.56
11.40
11.32
11.24
11.08
21.41
23.00
11.92
11.76
11.60
11.52
11.44
11.28
22.37
24.00
12.02
11.86
11.70
11.62
11.54
11.38

84
Model IECS036J3A-DWG105
Cooling mode:
Capacity(kW)
Outdoor air
temperature
(°C DB)
Indoor air temperature (°C WB/DB)
14/20
16/23
18/26
19/27
20/28
22/30
24/32
TC
SC
TC
SC
TC
SC
TC
SC
TC
SC
TC
SC
TC
SC
Indoor
Airflow(m3/h)
kW
kW
kW
kW
kW
kW
kW
kW
kW
kW
kW
kW
kW
kW
1600
10.00
12.80
8.18
13.10
8.23
13.30
8.21
13.50
8.32
13.90
8.70
14.30
9.10
14.50
9.37
12.00
12.56
8.15
12.86
8.21
13.06
8.19
13.26
8.29
13.66
8.68
14.06
9.07
14.26
9.35
14.00
12.32
8.12
12.62
8.18
12.82
8.16
13.02
8.25
13.42
8.64
13.82
9.04
14.02
9.32
16.00
12.08
8.08
12.38
8.14
12.58
8.13
12.78
8.21
13.18
8.61
13.58
9.01
13.78
9.29
18.00
11.84
8.04
12.14
8.10
12.34
8.10
12.54
8.17
12.94
8.56
13.34
8.97
13.54
9.25
20.00
11.60
7.99
11.90
8.06
12.10
8.06
12.30
8.12
12.70
8.52
13.10
8.93
13.30
9.21
21.00
11.48
8.02
11.78
8.10
11.98
8.09
12.18
8.14
12.58
8.55
12.98
8.96
13.18
9.25
23.00
11.24
7.97
11.54
8.04
11.74
8.04
11.94
8.09
12.34
8.50
12.74
8.91
12.94
9.20
25.00
11.00
7.91
11.30
7.99
11.50
7.99
11.70
8.03
12.10
8.44
12.50
8.86
12.70
9.14
27.00
10.76
7.84
11.06
7.93
11.26
7.93
11.46
7.96
11.86
8.38
12.26
8.80
12.46
9.09
29.00
10.52
7.77
10.82
7.86
11.02
7.87
11.22
7.90
11.62
8.31
12.02
8.74
12.22
9.02
31.00
10.28
7.70
10.58
7.79
10.78
7.80
10.98
7.82
11.38
8.24
11.78
8.67
11.98
8.96
33.00
10.04
7.62
10.34
7.72
10.44
7.66
10.74
7.75
11.14
8.17
11.54
8.60
11.74
8.88
35.00
9.80
7.54
10.10
7.64
10.30
7.65
10.50
7.67
10.90
8.09
11.30
8.52
11.50
8.81
37.00
9.26
7.21
9.56
7.32
9.76
7.35
9.96
7.36
10.36
7.78
10.76
8.21
10.96
8.50
39.00
8.72
6.88
9.02
7.00
9.22
7.03
9.42
7.04
9.82
7.46
10.22
7.89
10.42
8.17
42.00
7.91
6.32
8.21
6.45
8.41
6.49
8.61
6.51
9.01
6.93
9.41
7.35
9.61
7.63
44.00
7.27
5.88
7.57
6.02
7.77
6.07
7.97
6.10
8.37
6.51
8.77
6.93
8.97
7.20
46.00
6.63
5.43
6.93
5.58
7.13
5.64
7.33
5.67
7.73
6.08
8.13
6.50
8.33
6.76
48.00
6.09
5.05
6.39
5.21
6.59
5.28
6.79
5.31
7.19
5.72
7.59
6.13
7.79
6.40
50.00
5.55
4.66
5.85
4.83
6.05
4.90
6.25
4.95
6.65
5.35
7.05
5.76
7.25
6.02
52.00
4.91
4.17
5.21
4.35
5.41
4.44
5.61
4.49
6.01
4.89
6.41
5.30
6.61
5.55
55.00
4.10
3.52
4.40
3.72
4.60
3.82
4.80
3.88
5.20
4.28
5.60
4.68
5.80
4.92