Mitsubishi Electric JT-SB116JH-G-NA Handbook page 11

Circuit thermostat characteristics (JT-30M4/JT-30M4A: IC20 5P)
Temperature
68°F (20ºC)
86°F (30ºC)
104°F (40ºC)
4 Light receiving circuit board (JT-30S1) (Upper sensor)
5 Sensor circuit board (JT-30S2) (Middle sensor)
6 Sensor circuit board (JT-30S3) (Lower sensor)
7 Display circuit board (JT-30S5)
Resistance IC20 5P Voltage
59.3 kΩ 3.44 V
37.6 kΩ 2.91 V
24.5 kΩ 2.38 V
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