5
2. Specification
Model Outdoor Unit CU-2S18NBU-1
Indoor Unit Combination 3.2kW + 3.2kW
Power Source
1 Phase, 208-230V, 60Hz
(Power supply from outdoor unit)
kW 4.89 (2.10 ~ 5.86)
Capacity
BTU/h 16700 (7200 ~ 20000)
Running Current A 7.6 - 6.9
Power Input kW 1.45 (0.39 ~ 1.84)
EER W/W 3.37 (5.38 ~ 3.18)
Electrical
Data
BTU/hW 11.50 (18.45 ~ 10.85)
Sound Pressure Level dB-A 48
Cooling Operation
Noise
Sound Power Level dB 62
Maximum Current A 13.6
Starting Current A 7.8
Minimum Circuit Ampacity A 20
Height mm (inch) 795 (31-5/16)
Width mm (inch) 875 + 95 (34-15/32 + 3-3/4)
Dimension
Depth mm (inch) 320 (12-5/8)
Net Weight kg (Ib) 69 (152)
Connection Cable 3 + 1 (Earth) ø1.5 mm
2
Pipe Length Range (1 room) m (ft) 3 ~ 25 (9.8 ~ 82.0)
Maximum Pipe Length (Total Room) m (ft) 50 (164.0)
Liquid Side mm (inch) 6.35 (1/4)
Refrigerant Pipe Diameter
Gas Side mm (inch) 9.52 (3/8)
Type Hermetic (Rotary)
Motor Type DC Brushless (4-poles)
Compressor
Rated Output W 1.30k
Type Propeller Fan
Motor Type DC Brushless (8-poles)
Air Circulation
Rated Output W 60
Fan Speed High RPM 650
Type Plate fin configuration forced draft type
Tube Material Copper
Fin Material Aluminum
Row/Stage 2/36
Heat Exchanger
FPI 19
Air Volume High m
3
/min (ft
3
/min) 37.2 (1313)
Refrigerant Control Device Expansion Valve
Refrigerant Oil FV50S
Refrigerant (R410A) g (oz) 1.92k (67.8)
Dry Bulb Wet Bulb
Maximum °F 89.6 73.4
Indoor Operation Range Cooling
Minimum °F 60.8 51.8
Maximum °F 109.4 78.8
Outdoor Operation Range Cooling
Minimum °F 60.8 51.8
Note
• Specifications are subject to change without notice for further improvement.
