Fujitsu ACUH18LUAS1 - Page 104

¢ Heat exchanger temperature thermistor
Temperature °F (°C) Resistance (kΩ) Voltage (V)
-22.0 (-30.0) 95.58 0.24
-12.0 (-25.0) 68.90 0.32
-4.0 (-20.0) 50.31 0.43
5.0 (-15.0) 37.19 0.57
14.0 (-10.0) 27.81 0.73
23.0 (-5.0) 21.02 0.92
32.0 (0.0) 16.05 1.14
41.0 (5.0) 12.38 1.39
50.0 (10.0) 9.63 1.65
59.0 (15.0) 7.56 1.93
68.0 (20.0) 5.98 2.21
77.0 (25.0) 4.77 2.49
86.0 (30.0) 3.84 2.77
95.0 (35.0) 3.11 3.02
104.0 (40.0) 2.53 3.26
113.0 (45.0) 2.08 3.48
122.0 (50.0) 1.71 3.68
131.0 (55.0) 1.42 3.85
140.0 (60.0) 1.19 4.00
149.0 (65.0) 1.00 4.13
158.0 (70.0) 0.84 4.25
167.0 (75.0) 0.71 4.35
176.0 (80.0) 0.61 4.43
¢ Outdoor temperature thermistor
Temperature °F (°C) Resistance (kΩ) Voltage (V)
-22.0 (-30.0) 224.33 0.73
-12.0 (-25.0) 159.71 0.97
-4.0 (-20.0) 115.24 1.25
5.0 (-15.0) 84.21 1.56
14.0 (-10.0) 62.28 1.90
23.0 (-5.0) 46.58 2.26
32.0 (0.0) 35.21 2.61
41.0 (5.0) 26.88 2.94
50.0 (10.0) 20.72 3.25
59.0 (15.0) 16.12 3.52
68.0 (20.0) 12.64 3.76
77.0 (25.0) 10.00 3.97
86.0 (30.0) 7.97 4.14
95.0 (35.0) 6.40 4.28
104.0 (40.0) 5.18 4.41
113.0 (45.0) 4.21 4.51
122.0 (50.0) 3.45 4.59
131.0 (55.0) 2.85 4.65
5-2. Outdoor unit - (03-56) - 5. Thermistor resistance values
TROUBLESHOOTING TROUBLESHOOTING