8
Model
Indoor CS-E18RB4UW
Outdoor CU-E18RB4U
Performance Test Condition
ARI
Power Supply
Phase, Hz
Single, 60
V 208
230
Min. Mid. Max. Min. Mid. Max.
Cooling
Capacity
kW
1.17 5.13 5.47 1.17 5.13 5.47
BTU/h
4000 17500 18700 4000 17500 18700
kcal/h
(Frig./h) – – – – – –
Running
Current
A
– 9.1 – – 7.7 –
Input
Power
W
250 1.70k 1.85k 250 1.70k 1.85k
Annual
Consumption kWh
– – – – – –
EER
W/W
4.68 3.02 2.96 4.68 3.02 2.96
BTU/hW
16.00 10.25 10.10 16.00 10.25 10.10
kcal/hW – – – – – –
Power
Factor
%
– 90 – – 96 –
Indoor Noise (H / L / QLo)
dB-A
44 / 30 / 27
44 / 30 / 27
Power Level dB
60 / – / –
60 / – / –
Outdoor Noise (H / L / QLo)
dB-A
51 / – / –
51 / – / –
Power Level dB
65 / – / –
65 / – / –
Heating
Capacity
kW
1.29 5.97 6.15 1.29 5.97 6.15
BTU/h
4400 20400 21000 4400 20400 21000
kcal/h
(Frig./h) – – – – – –
Running
Current
A
– 12.5 – – 10.7 –
Input
Power
W
270 2.34k 2.50k 270 2.34k 2.50k
COP
W/W
4.78 2.55 2.46 4.78 2.55 2.46
BTU/hW
16.25 8.70 8.40 16.25 8.70 8.40
kcal/hW – – – – – –
Power
Factor
%
– 90 – – 95 –
Indoor Noise (H / L / QLo)
dB-A
44 / 31 / 28
44 / 31 / 28
Power Level dB
60 / – / –
60 / – / –
Outdoor Noise (H / L / QLo)
dB-A
52 / – / –
52 / – / –
Power Level dB
66 / – / –
66 / – / –
Max Current (A) / Max Input Power (W)
13.7 / 3.06k
Starting Current (A)
12.5
Compressor
Type
Hermetic
Motor
(Rotary)
Motor Type
Brushless (4-poles)
Output Power
W
1.7k
