E-19 (1 0f 2) NTC Values listed below are for the following sensors—T1 Supply Sensor, T2 Return Sensor, T3 DHW Sensor, T4 Outside Sensor and T5 Flue Gas Sensor Temperature °F Value in resistance Temperature °F Value in resistance (1 0f 2) resistance 78.8 11,900 -4 99,000 82.4 10,850 -0.4 90,000 86 9,800 3.2 82,000 89.6 9,100 6.8 74,00 10.4 66,000 68 15,000 71.6 14,000 14 58,000 Error 75.2 12,900 17.6 53,500 code is given 78.8 11,900 21.2 49,000 when 82.4 10,850 24.8 45,000 the T2 28.4 40,500 86 9,800 return 89.6 9,100 32 36,000 water 93.2 8,500 35.6 33,500 sensor 96.8 7,900 39.2 30,900 100.4 7,200 42.8 28,200 46.4 25,600 104 6,500 113 5,600 50 23,000 122 4,600 53.6 21,400 131 4,000 57.2 19,900 140 3,400 60.8 18,100 64.4 16,600 158 2,300 176 1,700 68 15,000 194 1,300 71.6 14,000 75.2 12,900 temperature value is more than 50°F above the T1 supply sensor for a fixed time.
(1 0f 2) E-19 NTC Values listed below are for the following sensors—T1 Supply Sensor, T2 Return Sensor, T3 DHW Sensor, T4 Outside Sensor and T5 Flue Gas Sensor Temperature °F Value in resistance resistance -4 99,000 -0.4 90,000 3.2 82,000 6.8 74,00 10.4 66,000 14 58,000 17.6 53,500 21.2 49,000 24.8 45,000 28.4 40,500 32 36,000 35.6 33,500 39.2 30,900 42.8 28,200 46.4 25,600 50 23,000 53.6 21,400 57.2 19,900 60.8 18,100 64.4 16,600 68 15,000 71.6 14,000 75.2 12,900 Temperature °F Value in resistance 78.8 11,900 82.4 10,850 86 9,800 89.6 9,100 68 15,000 71.6 14,000 75.2 12,900 78.8 11,900 82.4 10,850 86 9,800 89.6 9,100 93.2 8,500 96.8 7,900 100.4 7,200 104 6,500 113 5,600 122 4,600 131 4,000 140 3,400 158 2,300 176 1,700 194 1,300 (1 0f 2) Error code is given when the T2 return water sensor temperature value is more than 50°F above the T1 supply sensor for a fixed time.
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