Indoor Unit : CS-KE18NB4UW & CZ-18BT1U
Outdoor Unit : CU-KE18NKU

Power Supply : 230V Single Phase 60Hz

< Heating Capacity >

TH : Total Heating Capacity (BTU/h)

1. Rating conditions (#) : Indoor Unit Entering Air Temp. 70 °F (21.1 °C) DB

: Outdoor Ambient Temp. 47 °F (8.3 °C) DB / 43 °F (6.1 °C) WB

2.
3. Above data represents the value when the operation frequency of a compressor is fixed.

Above data does not take Defrost Operation, Overload Prevention Protection, and/or Cold Air

Prevention Protection during heating operation into account. For this reason, the value may vary

from the actual heating characteristics.

NOTE
RATING CAPACITY: 20,400 BTU/h AIR FLOW RATE: 383 CFM
OUTDOOR INDOOR
ENT. TEMP. oF (oC) AMBIENT TEMP. oF (oC)
WB 60 65 70 75 80
(15.6) (18.3) (21.1) (23.9) (26.7)
0 (-17.8) TH 11,350 11,400 11,440 11,480 11,510
CI 1.35 1.41 1.47 1.53 1.59
3 (-16.1) TH 11,720 11,770 11,820 11,850 11,890
CI 1.37 1.44 1.50 1.56 1.62
8 (-13.3) TH 12,600 12,650 12,700 12,750 12,780
CI 1.43 1.50 1.57 1.64 1.71
13 (-10.6) TH 13,520 13,580 13,630 13,670 13,710
CI 1.50 1.57 1.65 1.72 1.80
18 (-7.8) TH 14,540 14,600 14,650 14,700 14,730
CI 1.57 1.65 1.74 1.82 1.90
23 (-5.0) TH 15,610 15,670 15,730 15,770 15,810
CI 1.65 1.74 1.83 1.92 2.00
28 (-2.2) TH 16,730 16,800 16,850 16,890 16,770
CI 1.74 1.83 1.93 2.02 2.12
33 (0.6) TH 17,900 17,960 18,010 18,060 16,770
CI 1.83 1.93 2.04 2.14 2.24
38 (3.3) TH 19,050 19,120 19,170 18,590 16,770
CI 1.92 2.03 2.14 2.25 2.36
43 (6.1) TH 20,290 20,350 # 20,400 18,590 16,770
CI 2.02 2.14 2.26 2.38 2.50
48 (8.9) TH 21,550 21,610 20,410 18,590 16,770
CI 2.13 2.26 2.39 2.52 2.64
53 (11.7) TH 22,830 22,230 20,410 18,590 16,770
CI 2.39 2.53 2.53 2.66 2.80
58 (14.4) TH 23,990 22,230 20,410 18,590 16,770
CI 2.37 2.52 2.67 2.81 2.96
63 (17.2) TH 23,990 22,230 20,410 18,590 16,770
CI 2.51 2.67 2.82 2.98 3.13
65 (18.3) TH 23,990 22,230 20,410 18,590 16,770
CI 2.57 2.73 2.89 3.05 3.21
32