8-6.Brief Method For Checking The Key Components; 8-6-1.Hydro Unit - Toshiba HWT-602S21SM3W-E(TR) Service Manual

8-6. Brief method for checking the key components
8-6-1. Hydro unit
No. Component name
Water heat exchange
temperature
(TC) sensor
Water inlet temperature
(TWI) sensor
Water outlet temperature
(TWO) sensor
1
Water heater outlet temperature
(THO) sensor
Hot water cylinder temperature
(TTW) sensor
Floor inlet temperature
(TFI) sensor
Remove the connector and measure the resistance value with a tester. (Normal temperature)
Sensor (kΩ)
Water heat exchange temperature (TC) sensor
Water outlet temperature (TWO) sensor
Water heater outlet temperature (THO) sensor
Water inlet temperature (TWI) sensor
Hot water cylinder temperature (TTW) sensor
Floor inlet temperature (TFI) sensor
156
Check procedure
Temperature
0°C
33.8
32.8
10°C 20°C 30°C
20.4 12.6 8.0
20.0 12.5 8.1