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Panasonic Cu 3ke19nbucu Technical Service Manual

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    							Cooling Characteristics(RH : 46%, Indoor fan speed : High fan)
(230V, 60Hz)Heating Characteristics(RH : 85%, Indoor fan speed : High fan)
(230V, 60Hz)
(1) Low pressure performance chart (1) High pressure performance chart
(2) Operating current performance chart (2) Operating current performance chart
(3) Indoor discharge air performance chart (3) Indoor discharge air performance chart
•  This performance chart shows operation of a single wall-mounted indoor unit. The performance chart will vary depending on 
  the indoor unit type.
•  Check each performance value in test-run mode. Electrical performance values represent a combined indoor/outdoor value.
  (In this case, be sure to stop all the indoor units where performance is not being checked.)
•  The performance is for a tubing length of 24.6ft (7.5m). If the tubing length is different, the performance chart will vary.
NOTE
Low pressure at wide tube service valve
psig (MPaG)
High pressure at wide tube service valve
psig (MPaG)
Outdoor air temperature °F (°C) Outdoor air temperature °F (°C)
160
(1.1)174
(1.2)
146
(1.0)
132
(0.9)
Lo fan Hi fan
506
(3.5)578
(4.0)
434
(3.0)
362
(2.5)
Operating current (A)
Operating current (A)
Outdoor air temperature °F (°C) Outdoor air temperature °F (°C) 7
6
5
4
Lo fan Hi fan
10 12
6 8 9 11
7
Indoor discharge air temperature °F (°C)
Indoor discharge air temperature °F (°C)
Outdoor air temperature °F (°C) Outdoor air temperature °F (°C)
Lo fan Hi fan
Outdoor Unit   CU-4KE24NBU     Indoor Unit   CS-KE12NB4UW ×1
HH fan
HH fan
HH fan 77
(25)86
(30)95
(35)104
(40)
77
(25)86
(30)95
(35)104
(40)
77
(25)86
(30)95
(35)104
(40)23
(-5)32
(0)41
(5)50
(10)59
(15)68
(20)77
(25)
23
(-5)32
(0)41
(5)50
(10)59
(15)68
(20)77
(25)
23
(-5)32
(0)41
(5)50
(10)59
(15)68
(20)77
(25) 77(25) 131(55) 140(60)
122(50)
113(45)
104(40)
95(35)
86(30)
46.4(  8)
42.8(  6) 68.0(20)
64.4(18)
60.8(16)
57.2(14)
53.6(12)
50.0(10)
Indoor air temp. 86°F (30°C)
80°F (27°C)
75°F (24°C)
Indoor air temp. 86°F (30°C)
80°F (27°C)
75°F (24°C)
Indoor air temp. 86°F (30°C)
80°F (27°C)
75°F (24°C)
Indoor air temp. 73°F (23°C)70°F (21°C)63°F (17°C)Indoor air temp. 73°F (23°C)70°F (21°C)63°F (17°C)
Indoor air temp. 73°F (23°C)70°F (21°C)
63°F (17°C)
Indoor air temp. 73°F (23°C)70°F (21°C)
63°F (17°C)
Indoor air temp. 73°F (23°C)70°F (21°C)
63°F (17°C)
Indoor air temp. 73°F (23°C)70°F (21°C)
63°F (17°C)
41
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    							Cooling Characteristics(RH : 46%, Indoor fan speed : High fan)
(230V, 60Hz)Heating Characteristics(RH : 85%, Indoor fan speed : High fan)
(230V, 60Hz)
(1) Low pressure performance chart (1) High pressure performance chart
(2) Operating current performance chart (2) Operating current performance chart
(3) Indoor discharge air performance chart (3) Indoor discharge air performance chart
•  This performance chart shows operation of a single wall-mounted indoor unit. The performance chart will vary depending on 
  the indoor unit type.
•  Check each performance value in test-run mode. Electrical performance values represent a combined indoor/outdoor value.
  (In this case, be sure to stop all the indoor units where performance is not being checked.)
•  The performance is for a tubing length of 24.6ft (7.5m). If the tubing length is different, the performance chart will vary.
NOTE
Low pressure at wide tube service valve
psig (MPaG)
High pressure at wide tube service valve
psig (MPaG)
Outdoor air temperature °F (°C) Outdoor air temperature °F (°C)
146
(1.0)174
(1.2)
118
(0.8)
90
(0.6)
Lo fan Hi fanHi fan HH fan
434
(3.0)506
(3.5)
362
(2.5)
290
(2.0)
218
(1.5)
Operating current (A)
Operating current (A)
Outdoor air temperature °F (°C) Outdoor air temperature °F (°C) 4 5
3
8 9
7
6
5
4
Indoor discharge air temperature °F (°C)
Indoor discharge air temperature °F (°C)
Outdoor air temperature °F (°C) Outdoor air temperature °F (°C)
Outdoor Unit   CU-4KE31NBU    Indoor Unit   CS-MKE7NKU ×1
5-1-3.  Temperature Charts (CU-4KE31NBU)
Lo fan Hi fanHi fan HH fan
Lo fan Hi fanHi fan HH fan
77
(25)86
(30)95
(35)104
(40)
77
(25)86
(30)95
(35)104
(40)
77
(25)86
(30)95
(35)104
(40)23
(-5)32
(0)41
(5)50
(10)59
(15)68
(20)77
(25)
23
(-5)32
(0)41
(5)50
(10)59
(15)68
(20)77
(25)
23
(-5)32
(0)41
(5)50
(10)59
(15)68
(20)77
(25) 77(25) 131(55) 140(60)
122(50)
113(45)
104(40)
95(35)
86(30)
46.4(  8) 68.0(20)
64.4(18)
60.8(16)
57.2(14)
53.6(12)
50.0(10)
Indoor air temp. 86°F (30°C)80°F (27°C)
75°F (24°C)
Indoor air temp. 86°F (30°C)
80°F (27°C)75°F (24°C)
Indoor air temp. 86°F (30°C)80°F (27°C)
75°F (24°C)
Indoor air temp. 73°F (23°C)
70°F (21°C)
63°F (17°C)
Indoor air temp. 73°F (23°C)
70°F (21°C)
63°F (17°C)
Indoor air temp. 73°F (23°C)70°F (21°C)
63°F (17°C)
Indoor air temp. 73°F (23°C)
70°F (21°C)
63°F (17°C)
Indoor air temp. 73°F (23°C)
70°F (21°C)
63°F (17°C)
Indoor air temp. 73°F (23°C)70°F (21°C)
63°F (17°C)
42
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    							Cooling Characteristics(RH : 46%, Indoor fan speed : High fan)
(230V, 60Hz)Heating Characteristics(RH : 85%, Indoor fan speed : High fan)
(230V, 60Hz)
(1) Low pressure performance chart (1) High pressure performance chart
(2) Operating current performance chart (2) Operating current performance chart
(3) Indoor discharge air performance chart (3) Indoor discharge air performance chart
•  This performance chart shows operation of a single wall-mounted indoor unit. The performance chart will vary depending on 
  the indoor unit type.
•  Check each performance value in test-run mode. Electrical performance values represent a combined indoor/outdoor value.
  (In this case, be sure to stop all the indoor units where performance is not being checked.)
•  The performance is for a tubing length of 24.6ft (7.5m). If the tubing length is different, the performance chart will vary.
NOTE
Low pressure at wide tube service valve
psig (MPaG)
High pressure at wide tube service valve
psig (MPaG)
Outdoor air temperature °F (°C) Outdoor air temperature °F (°C)
146
(1.0)174
(1.2)
118
(0.8)
90
(0.6)
Lo fan Hi fanHi fan HH fan
434
(3.0)506
(3.5)
362
(2.5)
290
(2.0)
218
(1.5)
Operating current (A)
Operating current (A)
Outdoor air temperature °F (°C) Outdoor air temperature °F (°C) 4 5
3
7 8
6
5
4
Indoor discharge air temperature °F (°C)
Indoor discharge air temperature °F (°C)
Outdoor air temperature °F (°C) Outdoor air temperature °F (°C)
Outdoor Unit   CU-4KE31NBU    Indoor Unit   CS-MKE9NKU ×1
Lo fan Hi fanHi fan HH fan
Lo fan Hi fanHi fan HH fan
77
(25)86
(30)95
(35)104
(40)
77
(25)86
(30)95
(35)104
(40)
77
(25)86
(30)95
(35)104
(40)23
(-5)32
(0)41
(5)50
(10)59
(15)68
(20)77
(25)
23
(-5)32
(0)41
(5)50
(10)59
(15)68
(20)77
(25)
23
(-5)32
(0)41
(5)50
(10)59
(15)68
(20)77
(25) 77(25) 131(55) 140(60)
122(50)
113(45)
104(40)
95(35)
86(30)
46.4(  8) 68.0(20)
64.4(18)
60.8(16)
57.2(14)
53.6(12)
50.0(10)
Indoor air temp. 86°F (30°C)
80°F (27°C)
75°F (24°C)
Indoor air temp. 86°F (30°C)
80°F (27°C)75°F (24°C)
Indoor air temp. 86°F (30°C)
80°F (27°C)
75°F (24°C)
Indoor air temp. 73°F (23°C)
70°F (21°C)
63°F (17°C)
Indoor air temp. 73°F (23°C)
70°F (21°C)63°F (17°C)
Indoor air temp. 73°F (23°C)70°F (21°C)
63°F (17°C)
Indoor air temp. 73°F (23°C)
70°F (21°C)
63°F (17°C)
Indoor air temp. 73°F (23°C)
70°F (21°C)63°F (17°C)
Indoor air temp. 73°F (23°C)70°F (21°C)
63°F (17°C)
43
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    							Cooling Characteristics(RH : 46%, Indoor fan speed : High fan)
(230V, 60Hz)Heating Characteristics(RH : 85%, Indoor fan speed : High fan)
(230V, 60Hz)
(1) Low pressure performance chart (1) High pressure performance chart
(2) Operating current performance chart (2) Operating current performance chart
(3) Indoor discharge air performance chart
•  This performance chart shows operation of a single wall-mounted indoor unit. The performance chart will vary depending on 
  the indoor unit type.
•  Check each performance value in test-run mode. Electrical performance values represent a combined indoor/outdoor value.
  (In this case, be sure to stop all the indoor units where performance is not being checked.)
•  The performance is for a tubing length of 24.6ft (7.5m). If the tubing length is different, the performance chart will vary.
NOTE
Low pressure at wide tube service valve
psig (MPaG)
High pressure at wide tube service valve
psig (MPaG)
Outdoor air temperature °F (°C) Outdoor air temperature °F (°C)
146
(1.0)174
(1.2)
118
(0.8)
90
(0.6)
Lo fan Hi fanHi fan HH fan
434
(3.0)506
(3.5)
362
(2.5)
290
(2.0)
218
(1.5)
Operating current (A)
Operating current (A)
Outdoor air temperature °F (°C) Outdoor air temperature °F (°C) 4 5 6
3
12 13
10 11
9
8
7
Indoor discharge air temperature °F (°C)
Indoor discharge air temperature °F (°C)
Outdoor air temperature °F (°C) Outdoor air temperature °F (°C)
Outdoor Unit   CU-4KE31NBU    Indoor Unit   CS-MKE12NKU ×1
Lo fan Hi fanHi fan HH fan
Lo fan Hi fanHi fan HH fan
77
(25)86
(30)95
(35)104
(40)
77
(25)86
(30)95
(35)104
(40)
77
(25)86
(30)95
(35)104
(40)23
(-5)32
(0)41
(5)50
(10)59
(15)68
(20)77
(25)
23
(-5)32
(0)41
(5)50
(10)59
(15)68
(20)77
(25)
23
(-5)32
(0)41
(5)50
(10)59
(15)68
(20)77
(25) 77(25) 131(55) 140(60)
122(50)
113(45)
104(40)
95(35)
86(30)
46.4(  8) 68.0(20)
64.4(18)
60.8(16)
57.2(14)
53.6(12)
50.0(10)
Indoor air temp. 86°F (30°C)
80°F (27°C)
75°F (24°C)
Indoor air temp. 8
6°F (30°C)
80°F (27°C)75°F (24°C)
Indoor air temp. 86°F (30°C)80°F (27°C)
75°F (24°C)
Indoor air temp. 73°F (23°C)70°F (21°C)
63°F (17°C)
Indoor air temp. 73°F (23°C)70°F (21°C)
63°F (17°C)
Indoor air temp. 73°F (23°C)70°F (21°C)
63°F (17°C)
Indoor air temp. 73°F (23°C)70°F (21°C)
63°F (17°C)
Indoor air temp. 73°F (23°C)70°F (21°C)
63°F (17°C)
Indoor air temp. 73°F (23°C)70°F (21°C)
63°F (17°C)
(3) Indoor discharge air performance chart
44
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    							146
(1.0)174
(1.2)
118
(0.8)
90
(0.6)
Cooling Characteristics(RH : 46%, Indoor fan speed : High fan)
(230V, 60Hz)Heating Characteristics(RH : 85%, Indoor fan speed : High fan)
(230V, 60Hz)
(1) Low pressure performance chart (1) High pressure performance chart
(2) Operating current performance chart (2) Operating current performance chart
(3) Indoor discharge air performance chart (3) Indoor discharge air performance chart
•  This performance chart shows operation of a single wall-mounted indoor unit. The performance chart will vary depending on 
  the indoor unit type.
•  Check each performance value in test-run mode. Electrical performance values represent a combined indoor/outdoor value.
  (In this case, be sure to stop all the indoor units where performance is not being checked.)
•  The performance is for a tubing length of 24.6ft (7.5m). If the tubing length is different, the performance chart will vary.
NOTE
Low pressure at wide tube service valve
psig (MPaG)
High pressure at wide tube service valve
psig (MPaG)
Outdoor air temperature °F (°C) Outdoor air temperature °F (°C)
Lo fan Hi fan
434
(3.0)506
(3.5)
362
(2.5)
290
(2.0)
218
(1.5)
Operating current (A)
Operating current (A)
Outdoor air temperature °F (°C) Outdoor air temperature °F (°C) 6
5 7 8 9
4
14
12 13
11
Indoor discharge air temperature °F (°C)
Indoor discharge air temperature °F (°C)
Outdoor air temperature °F (°C) Outdoor air temperature °F (°C)
Outdoor Unit   CU-4KE31NBU    Indoor Unit   CS-MKE18NKU ×1
Lo fan Hi fan
Lo fan Hi fan
77
(25)86
(30)95
(35)104
(40)
77
(25)86
(30)95
(35)104
(40)
77
(25)86
(30)95
(35)104
(40)23
(-5)32
(0)41
(5)50
(10)59
(15)68
(20)77
(25)
23
(-5)32
(0)41
(5)50
(10)59
(15)68
(20)77
(25)
23
(-5)32
(0)41
(5)50
(10)59
(15)68
(20)77
(25) 77(25) 131(55) 140(60)
122(50)
113(45)
104(40)
95(35)
86(30)
46.4(  8) 68.0(20)
64.4(18)
60.8(16)
57.2(14)
53.6(12)
50.0(10)
Indoor air temp. 86°F (30°C)80°F (27°C)
75°F (24°C)
Indoor air temp. 86°F (30°C)80°F (27°C)75°F (24°C)
Indoor air temp. 86°F (30°C)80°F (27°C)
75°F (24°C)
Indoor air temp. 73°F (23°C)70°F (21°C)
63°F (17°C)
Indoor air temp. 73°F (23°C)70°F (21°C)
63°F (17°C)
Indoor air temp. 73°F (23°C)
70°F (21°C)
63°F (17°C)
Indoor air temp. 73°F (23°C)70°F (21°C)
63°F (17°C)
Indoor air temp. 73°F (23°C)70°F (21°C)
63°F (17°C)
Indoor air temp. 73°F (23°C)
70°F (21°C)
63°F (17°C)
45
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    							146
(1.0)174
(1.2)
118
(0.8)
90
(0.6)
Cooling Characteristics(RH : 46%, Indoor fan speed : High fan)
(230V, 60Hz)Heating Characteristics(RH : 85%, Indoor fan speed : High fan)
(230V, 60Hz)
(1) Low pressure performance chart (1) High pressure performance chart
(2) Operating current performance chart (2) Operating current performance chart
(3) Indoor discharge air performance chart (3) Indoor discharge air performance chart
•  This performance chart shows operation of a single wall-mounted indoor unit. The performance chart will vary depending on 
  the indoor unit type.
•  Check each performance value in test-run mode. Electrical performance values represent a combined indoor/outdoor value.
  (In this case, be sure to stop all the indoor units where performance is not being checked.)
•  The performance is for a tubing length of 24.6ft (7.5m). If the tubing length is different, the performance chart will vary.
NOTE
Low pressure at wide tube service valve
psig (MPaG)
High pressure at wide tube service valve
psig (MPaG)
Outdoor air temperature °F (°C) Outdoor air temperature °F (°C)
Lo fan Hi fan
434
(3.0)506
(3.5)
362
(2.5)
290
(2.0)
218
(1.5)
Operating current (A)
Operating current (A)
Outdoor air temperature °F (°C) Outdoor air temperature °F (°C) 9
8 10 11 12
14
12 13
11
Indoor discharge air temperature °F (°C)
Indoor discharge air temperature °F (°C)
Outdoor air temperature °F (°C) Outdoor air temperature °F (°C)
Outdoor Unit   CU-4KE31NBU    Indoor Unit   CS-MKE24NKU ×1
Lo fan Hi fan
Lo fan Hi fan
77
(25)86
(30)95
(35)104
(40)
77
(25)86
(30)95
(35)104
(40)
77
(25)86
(30)95
(35)104
(40)23
(-5)32
(0)41
(5)50
(10)59
(15)68
(20)77
(25)
23
(-5)32
(0)41
(5)50
(10)59
(15)68
(20)77
(25)
23
(-5)32
(0)41
(5)50
(10)59
(15)68
(20)77
(25) 77(25) 131(55) 140(60)
122(50)
113(45)
104(40)
95(35)
86(30)
46.4(  8) 68.0(20)
64.4(18)
60.8(16)
57.2(14)
53.6(12)
50.0(10)
Indoor air temp. 86°F (30°C)
80°F (27°C)
75°F (24°C)
Indoor air temp. 86°F (30°C)80°F (27°C)75°F (24°C)
Indoor air temp. 86°F (30°C)80°F (27°C)
75°F (24°C)
Indoor air temp. 73°F (23°C)70°F (21°C)
63°F (17°C)
Indoor air temp. 73°F (23°C)
70°F (21°C)
63°F (17°C)
Indoor air temp. 73°F (23°C)70°F (21°C)
63°F (17°C)
Indoor air temp. 73°F (23°C)70°F (21°C)
63°F (17°C)
Indoor air temp. 73°F (23°C)
70°F (21°C)
63°F (17°C)
Indoor air temp. 73°F (23°C)70°F (21°C)
63°F (17°C)
46
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    							Cooling Characteristics(RH : 46%, Indoor fan speed : High fan)
(230V, 60Hz)Heating Characteristics(RH : 85%, Indoor fan speed : High fan)
(230V, 60Hz)
(1) Low pressure performance chart (1) High pressure performance chart
(2) Operating current performance chart (2) Operating current performance chart
(3) Indoor discharge air performance chart (3) Indoor discharge air performance chart
•  This performance chart shows operation of a single wall-mounted indoor unit. The performance chart will vary depending on 
  the indoor unit type.
•  Check each performance value in test-run mode. Electrical performance values represent a combined indoor/outdoor value.
  (In this case, be sure to stop all the indoor units where performance is not being checked.)
•  The performance is for a tubing length of 24.6ft (7.5m). If the tubing length is different, the performance chart will vary.
NOTE
Low pressure at wide tube service valve
psig (MPaG)
High pressure at wide tube service valve
psig (MPaG)
Outdoor air temperature °F (°C) Outdoor air temperature °F (°C)
146
(1.0)174
(1.2)
118
(0.8)
90
(0.6)
Lo fan Hi fanHi fan HH fan
434
(3.0)506
(3.5)
362
(2.5)
290
(2.0)
218
(1.5)
Operating current (A)
Operating current (A)
Outdoor air temperature °F (°C) Outdoor air temperature °F (°C) 4 5
7 8
6
5
4
Indoor discharge air temperature °F (°C)
Indoor discharge air temperature °F (°C)
Outdoor air temperature °F (°C) Outdoor air temperature °F (°C)
Outdoor Unit   CU-4KE31NBU    Indoor Unit   CS-MKE9NB4U ×1
Lo fan Hi fanHi fan HH fan
Lo fan Hi fanHi fan HH fan
77
(25)86
(30)95
(35)104
(40)
77
(25)86
(30)95
(35)104
(40)
77
(25)86
(30)95
(35)104
(40)23
(-5)32
(0)41
(5)50
(10)59
(15)68
(20)77
(25)
23
(-5)32
(0)41
(5)50
(10)59
(15)68
(20)77
(25)
23
(-5)32
(0)41
(5)50
(10)59
(15)68
(20)77
(25) 77(25) 131(55) 140(60)
122(50)
113(45)
104(40)
95(35)
86(30)
46.4(  8)
42.8(  6) 68.0(20)
64.4(18)
60.8(16)
57.2(14)
53.6(12)
50.0(10)
Indoor air temp. 86°F (30°C)
80°F (27°C)
75°F (24°C)
Indoor air temp. 86°F (30°C)
80°F (27°C)75°F (24°C)
Indoor air temp. 86°F (30°C)
80°F (27°C)
75°F (24°C)
Indoor air temp. 73°F (23°C)
70°F (21°C)
63°F (17°C)Indoor air temp. 73°F (23°C)
70°F (21°C)
63°F (17°C)
Indoor air temp. 73°F (23°C)
70°F (21°C)
63°F (17°C)Indoor air temp. 73°F (23°C)
70°F (21°C)
63°F (17°C)
Indoor air temp. 73°F (23°C)70°F (21°C)
63°F (17°C)Indoor air temp. 73°F (23°C)70°F (21°C)
63°F (17°C)
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    							Cooling Characteristics(RH : 46%, Indoor fan speed : High fan)
(230V, 60Hz)Heating Characteristics(RH : 85%, Indoor fan speed : High fan)
(230V, 60Hz)
(1) Low pressure performance chart (1) High pressure performance chart
(2) Operating current performance chart (2) Operating current performance chart
(3) Indoor discharge air performance chart
•  This performance chart shows operation of a single wall-mounted indoor unit. The performance chart will vary depending on 
  the indoor unit type.
•  Check each performance value in test-run mode. Electrical performance values represent a combined indoor/outdoor value.
  (In this case, be sure to stop all the indoor units where performance is not being checked.)
•  The performance is for a tubing length of 24.6ft (7.5m). If the tubing length is different, the performance chart will vary.
NOTE
Low pressure at wide tube service valve
psig (MPaG)
High pressure at wide tube service valve
psig (MPaG)
Outdoor air temperature °F (°C) Outdoor air temperature °F (°C)
146
(1.0)174
(1.2)
118
(0.8)
90
(0.6)
Lo fan Hi fanHi fan HH fan
434
(3.0)506
(3.5)
362
(2.5)
290
(2.0)
218
(1.5)
Operating current (A)
Operating current (A)
Outdoor air temperature °F (°C) Outdoor air temperature °F (°C) 4 5 6
12 13
10 11
9
8
7
Indoor discharge air temperature °F (°C)
Indoor discharge air temperature °F (°C)
Outdoor air temperature °F (°C) Outdoor air temperature °F (°C)
Outdoor Unit   CU-4KE31NBU    Indoor Unit   CS-MKE12NB4U ×1
Lo fan Hi fanHi fan HH fan
Lo fan Hi fanHi fan HH fan
77
(25)86
(30)95
(35)104
(40)
77
(25)86
(30)95
(35)104
(40)
77
(25)86
(30)95
(35)104
(40)23
(-5)32
(0)41
(5)50
(10)59
(15)68
(20)77
(25)
23
(-5)32
(0)41
(5)50
(10)59
(15)68
(20)77
(25)
23
(-5)32
(0)41
(5)50
(10)59
(15)68
(20)77
(25) 77(25) 131(55) 140(60)
122(50)
113(45)
104(40)
95(35)
86(30)
46.4(  8)
42.8(  6) 68.0(20)
64.4(18)
60.8(16)
57.2(14)
53.6(12)
50.0(10)
Indoor air temp. 86°F (30°C)
80°F (27°C)
75°F (24°C)
Indoor air temp. 86°F (30°C)
80°F (27°C)75°F (24°C)
Indoor air temp. 86°F (30°C)80°F (27°C)
75°F (24°C)
Indoor air temp. 73°F (23°C)70°F (21°C)
63°F (17°C)
Indoor air temp. 73°F (23°C)70°F (21°C)
63°F (17°C)
Indoor air temp. 73°F (23°C)70°F (21°C)
63°F (17°C)
Indoor air temp. 73°F (23°C)70°F (21°C)
63°F (17°C)
Indoor air temp. 73°F (23°C)70°F (21°C)
63°F (17°C)
Indoor air temp. 73°F (23°C)70°F (21°C)
63°F (17°C)
(3) Indoor discharge air performance chart
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    							146
(1.0)174
(1.2)
118
(0.8)
90
(0.6)
Cooling Characteristics(RH : 46%, Indoor fan speed : High fan)
(230V, 60Hz)Heating Characteristics(RH : 85%, Indoor fan speed : High fan)
(230V, 60Hz)
(1) Low pressure performance chart (1) High pressure performance chart
(2) Operating current performance chart (2) Operating current performance chart
(3) Indoor discharge air performance chart (3) Indoor discharge air performance chart
•  This performance chart shows operation of a single wall-mounted indoor unit. The performance chart will vary depending on 
  the indoor unit type.
•  Check each performance value in test-run mode. Electrical performance values represent a combined indoor/outdoor value.
  (In this case, be sure to stop all the indoor units where performance is not being checked.)
•  The performance is for a tubing length of 24.6ft (7.5m). If the tubing length is different, the performance chart will vary.
NOTE
Low pressure at wide tube service valve
psig (MPaG)
High pressure at wide tube service valve
psig (MPaG)
Outdoor air temperature °F (°C) Outdoor air temperature °F (°C)
Lo fan Hi fan
434
(3.0)506
(3.5)
362
(2.5)
290
(2.0)
218
(1.5)
Operating current (A)
Operating current (A)
Outdoor air temperature °F (°C) Outdoor air temperature °F (°C) 6
5 7 8 9
14
12 13
11
Indoor discharge air temperature °F (°C)
Indoor discharge air temperature °F (°C)
Outdoor air temperature °F (°C) Outdoor air temperature °F (°C)
Outdoor Unit   CU-4KE31NBU    Indoor Unit   CS-KE12NB4UW ×1
Lo fan Hi fan
Lo fan Hi fan
77
(25)86
(30)95
(35)104
(40)
77
(25)86
(30)95
(35)104
(40)
77
(25)86
(30)95
(35)104
(40)23
(-5)32
(0)41
(5)50
(10)59
(15)68
(20)77
(25)
23
(-5)32
(0)41
(5)50
(10)59
(15)68
(20)77
(25)
23
(-5)32
(0)41
(5)50
(10)59
(15)68
(20)77
(25) 77(25) 131(55) 140(60)
122(50)
113(45)
104(40)
95(35)
86(30) 46.4(  8) 64.4(18)
60.8(16)
57.2(14)
53.6(12)
50.0(10)
39.2(  4) 42.8(  6)
Indoor air temp. 86°F (30°C)80°F (27°C)
75°F (24°C)
Indoor air temp. 86°F (30°C)80°F (27°C)75°F (24°C)
Indoor air temp. 86°F (30°C)80°F (27°C)
75°F (24°C)
Indoor air temp. 73°F (23°C)70°F (21°C)
63°F (17°C)
Indoor air temp. 73°F (23°C)70°F (21°C)
63°F (17°C)
Indoor air temp. 73°F (23°C)70°F (21°C)
63°F (17°C)
Indoor air temp. 73°F (23°C)70°F (21°C)
63°F (17°C)
Indoor air temp. 73°F (23°C)70°F (21°C)
63°F (17°C)
Indoor air temp. 73°F (23°C)70°F (21°C)
63°F (17°C)
49
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    							Outdoor Unit  : CU-3KE19NBU
Indoor Unit  : CS-MKE9NKU × 3
Power Supply  :  230V Single Phase 60Hz
< Cooling Capacity >
5-2.  Cooling Capacity
TC : Total Cooling Capacity (BTU/h)   SHC : Sensible Heat Capacity (BTU/h)
1.
Rating conditions (#) 
:  Indoor Unit Entering Air Temp. 80 °F (26.7 °C) DB / 67 °F (19.4 °C) WB
:  Outdoor Ambient Temp. 95 °F (35 °C) DB
2.
3. Above data represents the value when the operation frequency of a compressor is fixed.Above data does not take Freeze Prevention Protection during cooling operation into account. 
For this reason, the value may vary from the actual cooling characteristics.
NOTE
RATING CAPACITY:    18,600 BTU/h       AIR FLOW RATE: 777 CFM
INDOOROUTDOOR
ENT. TEMP. 
oF (oC) AMBIENT TEMP. oF (oC)
W B DB 65 75 85 95 105 115
(18.3) (23.9) (29.4) (35.0) (40.6) (46.1)
TC 18,680 18,040 17,350 16,800 15,990 15,120
72 (22.2) SHC 16,090 15,780 15,480 15,180 14,880 14,580
59 76 (24.4) SHC 18,680 18,040 17,350 16,800 15,990 15,120
(15.0) 80 (26.7) SHC 18,680 18,040 17,350 16,800 15,990 15,120
84 (28.9) SHC 18,680 18,040 17,350 16,800 15,990 15,120
88 (31.1) SHC 18,680 18,040 17,350 16,800 15,990 15,120
TC 19,590 18,930 18,220 17,690 16,850 15,940
72 (22.2) SHC 13,070 12,920 12,620 12,310 12,010 11,710
63 76 (24.4) SHC 15,780 15,480 15,180 15,030 14,730 14,280
(17.2) 80 (26.7) SHC 18,650 18,350 18,050 17,690 16,850 15,940
84 (28.9) SHC 19,590 18,930 18,220 17,690 16,850 15,940
88 (31.1) SHC 19,590 18,930 18,220 17,690 16,850 15,940
TC 20,510 19,840 19,110 # 18,600 17,730 16,790
72 (22.2) SHC 10,200 9,900 9,600 9,450 9,150 8,690
67 76 (24.4) SHC 12,770 12,620 12,310 12,160 11,710 11,410
(19.4) 80 (26.7) SHC 15,630 15,330 15,030 14,880 14,580 14,280
84 (28.9) SHC 18,350 18,050 17,750 17,600 17,290 16,790
88 (31.1) SHC 20,510 19,840 19,110 18,600 17,730 16,790
TC 21,440 20,750 20,010 19,530 18,630 17,660
72 (22.2) SHC 7,030 6,730 6,430 6,280 5,980 5,680
71 76 (24.4) SHC 9,600 9,450 9,150 9,000 8,690 8,390
(21.7) 80 (26.7) SHC 12,470 12,160 12,010 11,860 11,560 11,110
84 (28.9) SHC 15,180 14,880 14,580 14,430 14,130 13,820
88 (31.1) SHC 17,750 17,600 17,290 17,140 16,840 16,540
TC 22,250 21,560 20,810 20,360 19,450 18,450
75 76 (24.4) SHC 6,580 6,430 6,130 5,980 5,680 5,370
(23.9) 80 (26.7) SHC 9,450 9,150 9,000 8,840 8,540 8,240
84 (28.9) SHC 12,010 11,860 11,560 11,410 11,260 10,960
88 (31.1) SHC 14,730 14,580 14,280 14,130 13,820 13,520
50
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