4 _
Ceiling Concealed Duct (High Sensible)
Indoor Units
Notes:
1. Capacities are based on the following conditions:
Cooling • Indoor temp. 27°C[80.6°F]DB/ 19°C[66.2°F]WB
• Outdoor temp. 35°C[95°F]DB/ 24°C[75.2°F]WB
• Interconnecting Piping Length 7.5m
• Level Difference of Zero
Heating • Indoor temp. 20°C[68°F]DB/ 15°C[59°F]WB
• Outdoor temp. 7°C[44.6°F]DB/ 6°C[42.8°F]WB
• Interconnecting Piping Length 7.5m
• Level Difference of Zero
2. Capacities are net capacities
3. Due to our policy of innovation some specifications may be changed without prior notification
4. Wiring cable size must comply with the applicable local and national codes. And “Electric characteristics” chapter
should be considered for electrical work and design. Especially the power cable and circuit breaker should be
selected in accordance with that.
5. EEV : Electronic Expansion Valve
6. Sound pressure levels are measured at 50Pa External Static Pressure condition.
7. Anechoic chamber conversion value is measured at 1.5 m downward from unit centre.
The values depends on the ambient conditions and values are normally higher in actual operation.
Conversion Formula
kcal/h= kW x 860
Btu/h = kW x 3412
cfm = m
3
/min x 35.3
l/s = CMM x 1000/60
Type
Model Unit
kW
Cooling Capacity kcal/h
Btu/h
kW
Heating Capacity kcal/h
Btu/h
Casing
Dimensions(WxHxD)
Body
mm
inch
Coil
Rows x Columns x FPI
Face Area m
2
Type
Motor Output x Number
W
Running Current A
Air Flow Rate(H / M / L)
CMM
(High Mode-factory set)
cfm
Fan
External Static Pressure
mmAq(Pa)
Air Flow Rate(H / M / L)
CMM
(Standard Mode) cfm
External Static Pressure
mmAq(Pa)
Drive
Motor type
Temperature Control
Sound Absorbing Thermal Insulation Material
Air Filter
Safety Device
Liquid Side mm(inch)
Pipe Connections
Gas Side mm(inch)
Drain Pipe(Internal Dia.)
mm(inch)
Net Weight kg(lbs)
Noise Level
(Sound Pressure, 1.5m, H / M / L)
dB(A)
Power Supply Ø, V, Hz
Refrigerant Control
Transmission cable mm
2
Ceiling Concealed Duct - High Sensible
ARNU28GBRA4 ARNU36GB8A4 ARNU42GB8A4
8.2 10.6 12.3
7,100 9,100 10,600
28,000 36,200 42,000
9.2 11.9 13.8
8,000 10,200 11,000
31,500 40,600 43,800
Galvanized Steel Plate Galvanized Steel Plate Galvanized Steel Plate
1,230 x 380 x 590 1,562 x 460 x 688 1,562 x 460 x 688
48-7/16 x 14-31/32 x 23-7/32 61-1/2 x 18-1/8 x 27-3/32 61-1/2 x 18-1/8 x 27-3/32
3 x 13 x 19 3 x 21 x 19 3 x 21 x 19
0.38 0.59 0.59
Sirocco Fan Sirocco Fan Sirocco Fan
185 x 2 375 x 2 375 x 2
2.40 5.12 5.12
36.2 / 32.1 / 28.5 49.0 / 37.3 / 30.2 54.2 / 41.3 / 31.8
1,278 / 1,134 / 1,007 1,730 / 1,317 / 1,066 1,914 / 1,458 / 1,123
14(137) 18(176) 18(176)
32.6 / 31.3 / 30.4 53.7 / 49.5 / 43.9 55.6 / 50.6 / 45.0
1,151 / 1,105 / 1,074 1,896 / 1,748 / 1,550 1,963 / 1,786 / 1,589
10(98) 9(88) 9(88)
Direct Direct Direct
BLDC BLDC BLDC
Microprocessor, Thermostat for cooling and heating Microprocessor, Thermostat for cooling and heating Microprocessor, Thermostat for cooling and heating
Foamed polystrene Foamed polystrene Foamed polystrene
- - -
Fuse Fuse Fuse
Ø9.52(3/8) Ø9.52(3/8) Ø9.52(3/8)
Ø15.88(5/8) Ø19.05(3/4) Ø19.05(3/4)
25(1) 25(1) 25(1)
53(117) 87(192) 87(192)
41 / 40 / 39 46 / 45 / 42 47 / 46 / 43
1, 220-240, 50 1, 220-240, 50 1, 220-240, 50
1, 220, 60 1, 220, 60 1, 220, 60
EEV EEV EEV
CVV-SB 1.0-1.5 x 2C CVV-SB 1.0~1.5 x 2C CVV-SB 1.0~1.5 x 2C
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