Hayward HP50A - Page 7

Outlet Water Sensor
4.8k ohm Temperature/Resistance Chart
7
Use the following chart to determine the reported temperature of a sensor based on
resistance (with sensor disconnected):
4.8k ohm Sensor Temperature / Resistance Chart
Temp °F Temp °C
Sensor
resistance
(k ohm)
Temp °F Temp °C
Sensor
resistance
(k ohm)
180.0 82.2 0.549 80.0 27.2 4.37
175.0 79.4 0.601 75.0 24.4 4.935
170.0 76.7 0.659 70.0 21.7 5.583
165.0 73.9 0.722 65.0 18.9 6.328
160.0 71.2 0.793 60.0 16.2 7.187
155.0 68.4 0.872 55.0 13.4 8.18
150.0 65.7 0.961 50.0 10.7 9.334
145.0 62.9 1.06 45.0 7.9 10.671
140.0 60.2 1.17 40.0 5.2 12.23
135.0 57.4 1.294 35.0 2.4 14.044
130.0 54.7 1.434 30.0 -0.3 16.167
125.0 51.9 1.591 25.0 -3.1 18.655
120.0 49.2 1.768 20.0 -5.8 21.581
115.0 46.4 1.968 15.0 -8.6 25.036
110.0 43.7 2.194 10.0
-11.3 29.11
105.0 40.9 2.451 5.0 -14.1 33.95
100.0 38.2 2.741 0.0 -16.8 39.683
95.0 35.4 3.072
90.0 32.7 3.448
85.0 29.9 3.879
6.8k ohm Resistor Inlet Water Sensor
Evaporator Coil Sensor
Ambient Air Sensor
Not Used
1 & 2 3 & 4
5 & 6 7 & 8 9 & 10 11 & 12