Panasonic Cs Kexxnb4x Cz 18bt1u Service Manual
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Compressor Accumulator Wide tube service valve Wide tube Narrow tube service valve Narrow tube Heat exchanger Heat exchanger Muffler Capillary tube for split flow Cooling cycle (Defrosting cycle) Heating cycle Indoor unit Outdoor unit Electric expansion valve Strainer Strainer M Muffler O.D. 3/8" (9.52 mm) O.D. 1/4" (6.35 mm)4-way valveHigh pressure switch H.P. 4. REFRIGERANT FLOW DIAGRAM 4-1. Refrigerant Flow Diagram Indoor Unit CS-KE12NB41 & CZ-18BT1UOutdoor Unit CU-KE12NK1 21
Compressor 4-way valveAccumulator High pressure switch Wide tube service valve Wide tube Narrow tube service valve Narrow tube Heat exchanger Muffler Capillary tube for split flow Cooling cycle (Defrosting cycle) Heating cycle Indoor unit Outdoor unit Electric expansion valve Strainer M O.D. 1/2" (12.7mm) O.D. 1/4" (6.35 mm)H.P. Indoor Unit CS-KE18NB4UW & CZ-18BT1UOutdoor Unit CU-KE18NKU Heat exchanger Strainer 22
Hi Fan Lo Fan Cooling Characteristics (RH : 46%, Indoor fan speed : High fan) (60Hz, 115V) (1) Low pressure performance chart (2) Operating current performance chart (3) Indoor discharge air performance chart Check each performance value in test-run mode. Electrical performance values represent a combined indoor/outdoor value. NOTE 5. PERFORMANCE DATA 5-1. Temperature Charts Indoor Unit CS-KE12NB41 & CZ-18BT1U Outdoor Unit CU-KE12NK1 Low pressure at wide tube service valve psig(MPaG) Operating current (A)73 (0.5)102 (0.7)131 (0.9) Outdoor inlet air DB temp. °F(°C) Outdoor inlet air DB temp. °F(°C) Indoor discharge air temperature °F(°C) 77 (25)86 (30)95 (35)104 (40) Hi Fan Lo Fan 1011 12 13 14 1577 (25)86 (30)95 (35)104 (40) Outdoor inlet air DB temp. °F(°C) Hi Fan Lo Fan 32 (0)41 (5)50 (10)59 (15)68 (20)77 (25)86 (30)95 (35)104 (40) 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.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) 23
High pressure at wide tube service valve psig(MPaG) Operating current (A) 1314 16 17 12 1115 290 (2.0) 218 (1.5)363 (2.5)435 (3.0) 508 (3.5) 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) 131 (55) 122 (50) 113 (45) 104 (40) 95 (35) 86 (30) 77 (25) 68 (20) Outdoor inlet air DB temp. °F(°C) Outdoor inlet air DB temp. °F(°C) Indoor discharge air temperature °F(°C) 23 (-5)32 (0)41 (5)50 (10)59 (15)68 (20)77 (25)Outdoor inlet air DB temp. °F(°C) Indoor Unit CS-KE12NB41 & CZ-18BT1U Outdoor Unit CU-KE12NK1 Heating Characteristics (RH : 85%, Indoor fan speed : High fan) (60Hz, 115V) Check each performance value in test-run mode. Electrical performance values represent a combined indoor/outdoor value. Overload prevention operates to protect the air conditioner when outdoor ambient temperature becomes extremely high in heating mode. (Refer to "8-2. Protective Functions Overload prevention during heating.") NOTE (1) High pressure performance chart (2) Operating current performance chart (3) Indoor discharge air performance chart 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) 24
• Check each performance value in test-run mode. Electrical performance values represent a combined indoor/outdoor value. NOTE Cooling Characteristics (RH : 46%, Indoor fan speed : High fan) (60Hz, 230V) (1) Low pressure performance chart (2) Operating current performance chart (3) Indoor discharge air performance chart Indoor Unit CS-KE18NB4UW & CZ-18BT1U Outdoor Unit CU-KE18NKU Hi Fan Lo Fan Low pressure at wide tube service valve psig(MPaG) Operating current (A)73 (0.5)102 (0.7)131 (0.9) Outdoor inlet air DB temp. °F(°C) Outdoor inlet air DB temp. °F(°C) Indoor discharge air temperature °F(°C) 77 (25)86 (30)95 (35)104 (40) Hi Fan Lo Fan 56 7 8 9 1077 (25)86 (30)95 (35)104 (40) Outdoor inlet air DB temp. °F(°C) Hi Fan Lo Fan 32 (0)41 (5)50 (10)59 (15)68 (20)77 (25)86 (30)95 (35)104 (40) 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) 75°F (24°C) 80°F (27°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.86°F (30°C) 75°F (24°C) 80°F (27°C) 25
• Check each performance value in test-run mode. Electrical performance values represent a combined indoor/outdoor value. • Overload prevention operates to protect the air conditioner when outdoor ambient temperature becomes extremely high in heating mode. (Refer to "8-2. Protective Functions Overload prevention during heating.") NOTE Indoor Unit CS-KE18NB4UW & CZ-18BT1U Outdoor Unit CU-KE18NKU High pressure at wide tube service valve psig(MPaG) Operating current (A) 89 11 12 7 6 10 290 (2.0) 218 (1.5)363 (2.5)435 (3.0) 508 (3.5) 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) 131 (55) 122 (50) 113 (45) 104 (40) 95 (35) 86 (30) 77 (25) 68 (20) Outdoor inlet air DB temp. °F(°C) Outdoor inlet air DB temp. °F(°C) Indoor discharge air temperature °F(°C) 23 (-5)32 (0)41 (5)50 (10)59 (15)68 (20)77 (25)Outdoor inlet air DB temp. °F(°C) Heating Characteristics (RH : 85%, Indoor fan speed : High fan) (60Hz, 230V) (1) High pressure performance chart (2) Operating current performance chart (3) Indoor discharge air performance chart 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) 26
5-2. Cooling Capacity Indoor Unit : CS-KE12NB41 & CZ-18BT1U Outdoor Unit : CU-KE12NK1 Power Supply : 115V Single Phase 60Hz < 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: 11,900 BTU/h AIR FLOW RATE: 235 CFM INDOOR OUTDOOR ENT. TEMP. oF (oC) AMBIENT TEMP. oF (oC) WB DB 65 75 85 95 105 115 (18.3) (23.9) (29.4) (35.0) (40.6) (46.1) TC 8,350 8,570 8,800 8,930 9,210 7,830 CI 0.790.931.061.161.251.07 72 (22.2) SHC 6,340 6,430 6,570 6,610 6,800 6,060 59 76 (24.4) SHC 7,210 7,300 7,440 7,480 7,660 6,930 (15.0) 80 (26.7) SHC 8,120 8,210 8,350 8,400 8,530 7,830 84 (28.9) SHC 8,350 8,570 8,800 8,930 9,210 7,830 88 (31.1) SHC 8,350 8,570 8,800 8,930 9,210 7,830 TC 12,230 12,030 11,790 11,580 10,580 7,950 CI 0.800.941.081.181.251.07 72 (22.2) SHC 7,070 6,930 6,840 6,700 6,200 4,970 63 76 (24.4) SHC 7,940 7,800 7,710 7,570 7,070 5,840 (17.2) 80 (26.7) SHC 8,850 8,720 8,580 8,490 7,980 6,750 84 (28.9) SHC 9,720 9,590 9,450 9,360 8,850 7,620 88 (31.1) SHC 10,590 10,450 10,360 10,230 9,720 7,950 TC 12,460 12,290 12,070 # 11,900 10,700 8,040 CI 0.820.961.101.201.251.07 72 (22.2) SHC 5,790 5,700 5,610 5,520 4,970 3,870 67 76 (24.4) SHC 6,660 6,570 6,480 6,380 5,880 4,740 (19.4) 80 (26.7) SHC 7,570 7,480 7,390 7,300 6,750 5,650 84 (28.9) SHC 8,440 8,350 8,260 8,170 7,620 6,520 88 (31.1) SHC 9,310 9,220 9,130 9,040 8,490 7,390 TC 12,640 12,490 12,300 12,170 10,770 8,100 CI 0.840.981.131.221.251.07 72 (22.2) SHC 4,460 4,420 4,330 4,280 3,690 2,680 71 76 (24.4) SHC 5,330 5,290 5,200 5,150 4,560 3,550 (21.7) 80 (26.7) SHC 6,250 6,200 6,110 6,060 5,470 4,460 84 (28.9) SHC 7,120 7,070 6,980 6,930 6,340 5,330 88 (31.1) SHC 7,980 7,940 7,850 7,800 7,210 6,200 TC 12,730 12,610 12,450 12,370 10,780 8,120 75 76 (24.4) SHC 4,050 4,010 3,960 3,920 3,370 2,450 (23.9) 80 (26.7) SHC 4,970 4,920 4,880 4,830 4,280 3,370 84 (28.9) SHC 5,840 5,790 5,740 5,700 5,150 4,240 88 (31.1) SHC 6,700 6,660 6,610 6,570 6,020 5,100 27
Indoor Unit : CS-KE18NB4UW & CZ-18BT1U Outdoor Unit : CU-KE18NKU Power Supply : 230V Single Phase 60Hz < 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: 17,500 BTU/h AIR FLOW RATE: 341 CFM INDOOR OUTDOOR ENT. TEMP. oF (oC) AMBIENT TEMP. oF (oC) WB DB 65 75 85 95 105 115 (18.3) (23.9) (29.4) (35.0) (40.6) (46.1) TC 12,260 12,550 12,830 13,060 13,460 9,520 CI 1.151.341.541.721.671.30 72 (22.2) SHC 9,140 9,270 9,400 9,540 9,740 7,810 59 76 (24.4) SHC 10,330 10,470 10,600 10,730 10,930 9,010 (15.0) 80 (26.7) SHC 11,590 11,720 11,860 11,990 12,190 9,520 84 (28.9) SHC 12,260 12,550 12,830 13,060 13,380 9,520 88 (31.1) SHC 12,260 12,550 12,830 13,060 13,460 9,520 TC 18,110 17,790 17,400 17,000 14,080 9,650 CI 1.171.371.571.751.671.30 72 (22.2) SHC 10,400 10,200 10,000 9,800 8,340 6,290 63 76 (24.4) SHC 11,590 11,390 11,190 11,000 9,540 7,480 (17.2) 80 (26.7) SHC 12,850 12,650 12,450 12,260 10,800 8,740 84 (28.9) SHC 14,040 13,850 13,650 13,450 11,990 9,650 88 (31.1) SHC 15,240 15,110 14,840 14,640 13,180 9,650 TC 18,510 18,220 17,860 # 17,500 14,220 9,750 CI 1.191.401.601.791.671.30 72 (22.2) SHC 8,680 8,480 8,340 8,140 6,620 4,830 67 76 (24.4) SHC 9,870 9,740 9,540 9,340 7,880 6,020 (19.4) 80 (26.7) SHC 11,130 10,930 10,800 10,600 9,070 7,280 84 (28.9) SHC 12,320 12,190 11,990 11,790 10,330 8,480 88 (31.1) SHC 13,510 13,380 13,180 12,980 11,530 9,670 TC 18,820 18,570 18,260 17,940 14,290 9,810 CI 1.221.431.641.831.671.30 72 (22.2) SHC 6,750 6,690 6,550 6,420 4,900 3,240 71 76 (24.4) SHC 7,950 7,880 7,750 7,610 6,090 4,430 (21.7) 80 (26.7) SHC 9,210 9,140 9,010 8,870 7,350 5,690 84 (28.9) SHC 10,470 10,330 10,200 10,070 8,540 6,890 88 (31.1) SHC 11,660 11,530 11,390 11,260 9,740 8,080 TC 19,010 18,800 18,530 18,260 14,280 9,810 CI 1.251.461.681.871.671.30 75 76 (24.4) SHC 6,160 6,090 5,960 5,890 4,430 2,970 (23.9) 80 (26.7) SHC 7,420 7,350 7,220 7,150 5,690 4,230 84 (28.9) SHC 8,610 8,540 8,410 8,340 6,890 5,430 88 (31.1) SHC 9,800 9,740 9,670 9,540 8,080 6,620 28
5-3. Cooling Capacity (Low Ambient) Indoor Unit : CS-KE12NB41 & CZ-18BT1U Outdoor Unit : CU-KE12NK1 Power Supply : 115V Single Phase 60Hz < Cooling Capacity (Low Ambient) > TC : Total Cooling Capacity (BTU/h) SHC : Sensible Heat Capacity (BTU/h) 1. 2. 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: 11,900 BTU/h AIR FLOW RATE: 235 CFM INDOOR OUTDOOR ENT. TEMP. oF (oC) AMBIENT TEMP. oF (oC) WB DB 0 5 15 25 35 45 55 (-17.8) (-15.0) (-9.4) (-3.9) (1.7) (7.2) (12.8) TC 9,530 9,550 9,560 9,590 9,600 9,590 9,570 CI 0.470.500.470.46 0.460.510.55 72 (22.2) SHC 6,930 6,930 6,980 8,580 6,980 6,980 6,980 59 76 (24.4) SHC 7,800 7,800 7,850 9,450 7,850 7,850 7,850 (15.0) 80 (26.7) SHC 8,720 8,720 8,720 9,590 8,760 8,760 8,760 84 (28.9) SHC 9,530 9,550 9,560 9,590 9,600 9,590 9,570 88 (31.1) SHC 9,530 9,550 9,560 9,590 9,600 9,590 9,570 TC 9,440 9,460 9,530 9,590 9,650 9,660 9,670 CI 0.530.560.510.490.490.530.57 72 (22.2) SHC 5,650 5,650 5,700 8,580 5,740 5,740 5,790 63 76 (24.4) SHC 6,520 6,520 6,570 9,450 6,610 6,610 6,660 (17.2) 80 (26.7) SHC 7,440 7,440 7,480 9,590 7,530 7,530 7,530 84 (28.9) SHC 8,300 8,300 8,350 9,590 8,400 8,400 8,400 88 (31.1) SHC 9,170 9,170 9,220 9,590 9,270 9,270 9,270 TC 9,250 9,290 9,410 9,530 9,620 9,670 9,720 CI 0.610.630.570.540.520.560.59 72 (22.2) SHC 4,370 4,370 4,420 8,580 4,510 4,560 4,560 67 76 (24.4) SHC 5,240 5,240 5,290 9,450 5,380 5,420 5,420 (19.4) 80 (26.7) SHC 6,160 6,160 6,200 9,530 6,290 6,340 6,340 84 (28.9) SHC 7,020 7,020 7,070 9,530 7,160 7,210 7,210 88 (31.1) SHC 7,890 7,890 7,940 9,530 8,030 8,080 8,080 TC 8,950 9,010 9,210 9,380 9,520 9,610 9,710 CI 0.680.710.630.580.560.600.62 72 (22.2) SHC 3,000 3,050 3,090 8,580 3,230 3,280 3,280 71 76 (24.4) SHC 3,870 3,920 3,960 9,380 4,100 4,140 4,140 (21.7) 80 (26.7) SHC 4,780 4,830 4,880 9,380 5,010 5,060 5,060 84 (28.9) SHC 5,650 5,700 5,740 9,380 5,880 5,930 5,930 88 (31.1) SHC 6,520 6,570 6,610 9,380 6,750 6,800 6,800 TC 8,590 8,650 8,930 9,160 9,360 9,480 9,620 CI 0.760.790.690.630.600.630.64 75 76 (24.4) SHC 2,590 2,640 2,730 9,160 2,860 2,910 2,960 (23.9) 80 (26.7) SHC 3,500 3,550 3,640 9,160 3,780 3,820 3,870 84 (28.9) SHC 4,370 4,420 4,510 9,160 4,650 4,690 4,740 88 (31.1) SHC 5,240 5,290 5,380 9,160 5,520 5,560 5,610 29
Indoor Unit : CS-KE18NB4UW & CZ-18BT1U Outdoor Unit : CU-KE18NKU Power Supply : 230V Single Phase 60Hz < Cooling Capacity (Low Ambient) > TC : Total Cooling Capacity (BTU/h) SHC : Sensible Heat Capacity (BTU/h) 1. 2. 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: 17,500 BTU/h AIR FLOW RATE: 341 CFM INDOOR OUTDOOR ENT. TEMP. oF (oC) AMBIENT TEMP. oF (oC) WB DB 0 5 15 25 35 45 55 (-17.8) (-15.0) (-9.4) (-3.9) (1.7) (7.2) (12.8) TC 13,400 13,430 13,440 13,470 13,500 13,520 13,510 CI 0.690.730.760.66 0.660.660.70 72 (22.2) SHC 9,740 9,740 9,740 11,860 9,740 9,800 9,800 59 76 (24.4) SHC 10,930 10,930 10,930 13,050 11,000 11,000 11,000 (15.0) 80 (26.7) SHC 12,190 12,190 12,190 13,470 12,190 12,260 12,190 84 (28.9) SHC 13,380 13,380 13,380 13,470 13,380 13,450 13,450 88 (31.1) SHC 13,400 13,430 13,440 13,470 13,500 13,520 13,510 TC 13,260 13,300 13,370 13,480 13,560 13,640 13,670 CI 0.780.820.840.710.700.690.72 72 (22.2) SHC 7,950 7,950 7,950 11,860 8,080 8,080 8,140 63 76 (24.4) SHC 9,140 9,140 9,210 13,050 9,270 9,270 9,340 (17.2) 80 (26.7) SHC 10,400 10,400 10,400 13,480 10,530 10,530 10,600 84 (28.9) SHC 11,590 11,590 11,590 13,480 11,720 11,720 11,790 88 (31.1) SHC 12,790 12,790 12,850 13,480 12,920 12,980 12,980 TC 12,980 13,040 13,170 13,380 13,530 13,670 13,760 CI 0.890.920.930.780.750.720.75 72 (22.2) SHC 6,090 6,160 6,220 11,860 6,360 6,420 6,420 67 76 (24.4) SHC 7,280 7,350 7,420 13,050 7,550 7,610 7,680 (19.4) 80 (26.7) SHC 8,540 8,610 8,680 13,380 8,810 8,870 8,870 84 (28.9) SHC 9,740 9,800 9,870 13,380 10,000 10,070 10,070 88 (31.1) SHC 11,000 11,000 11,060 13,380 11,190 11,260 11,330 TC 12,550 12,630 12,830 13,160 13,390 13,600 13,750 CI 1.001.031.030.850.800.760.77 72 (22.2) SHC 4,230 4,230 4,370 11,860 4,570 4,630 4,700 71 76 (24.4) SHC 5,430 5,490 5,560 13,050 5,760 5,820 5,890 (21.7) 80 (26.7) SHC 6,690 6,690 6,820 13,160 7,020 7,080 7,150 84 (28.9) SHC 7,880 7,950 8,010 13,160 8,210 8,280 8,340 88 (31.1) SHC 9,070 9,140 9,210 13,160 9,400 9,470 9,540 TC 12,010 12,110 12,380 12,850 13,150 13,440 13,650 CI 1.111.141.130.920.860.800.80 75 76 (24.4) SHC 3,640 3,700 3,770 12,850 4,030 4,170 4,230 (23.9) 80 (26.7) SHC 4,900 4,960 5,030 12,850 5,290 5,360 5,490 84 (28.9) SHC 6,090 6,160 6,220 12,850 6,490 6,620 6,690 88 (31.1) SHC 7,280 7,350 7,420 12,850 7,680 7,810 7,880 30