2. Specifications
Ceiling Concealed Duct(Low Static) _ 3
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.
4. EEV : Electronic Expansion Valve
5. Sound pressure levels are measured at 20Pa External Static Pressure condition.
6. 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.
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 (Low Static)
ARNU12GL2G4 ARNU15GL2G4 ARNU18GL2G4
3.6 4.5 5.6
3,100 3,900 4,800
12,300 15,400 19,100
4.0 5.0 6.3
3,400 4,300 5,400
13,600 17,100 21,500
Galvanized Steel Plate Galvanized Steel Plate Galvanized Steel Plate
900 x 190 x 700 900 x 190 x 700 900 x 190 x 700
35-7/16 × 7-15/32 × 27-9/16 35-7/16 × 7-15/32 × 27-9/16 35-7/16 × 7-15/32 × 27-9/16
2 x 11 x 18 2 x 11 x 18 2 x 11 x 18
0.17 0.17 0.17
Sirocco Fan Sirocco Fan Sirocco Fan
19 x 1, 5 x 1 19 x 1, 5 x 1 19 x 1, 5 x 1
0.76 0.76 0.76
10.0 / 8.5 / 7.0 12.5 / 10.0 / 8.5 15.0 / 12.5 / 10.0
360 / 310 / 250 450 / 360 / 310 530 / 450 / 360
2.54 (25) 2.54 (25) 2.54 (25)
10.0 / 8.5 / 7.0 12.5 / 10.0 / 8.5 15.0 / 12.5 / 10.0
360 / 310 / 250 450 / 360 / 310 530 / 450 / 360
0 (0) 0 (0) 0 (0)
Direct Direct Direct
BLDC BLDC BLDC
Microprocessor, Thermostat for cooling and heating
Foamed polystrene Foamed polystrene Foamed polystrene
- - -
Fuse Fuse Fuse
Ø6.35(1/4) Ø6.35(1/4) Ø6.35(1/4)
Ø12.7(1/2) Ø12.7(1/2) Ø12.7(1/2)
25.4(1) 25.4(1) 25.4(1)
23 (50.7) 23 (50.7) 23 (50.7)
30 / 27 / 25 33 / 30 / 28 35 / 32 / 29
1, 220 - 240, 50 1, 220 - 240, 50 1, 220 - 240, 50
1, 220, 60 1, 220, 60 1, 220, 60
EEV EEV EEV
1.0~1.5 x 2C 1.0~1.5 x 2C 1.0~1.5 x 2C
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
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