Toshiba HWT-601XWHM3W-ETR Service Manual page 193

No. Exchange parts name
14 Heater assembly
15 TC sensor
TWI sensor
TWO sensor
THO sensor
Work procedure
To replace a water circuit part, first close the water
supply source valve and the valve of water pipe
connected to the hydro unit.
1. How to remove
1) Perform the step 1-1, step 4, step5-1, step 6,
step 8-2)
2) Perform the step 11-2) ~ 4).
3) Remove the inlet and exit quick fasteners.
4) Remove the fixing heater assembly plate.
(Ø4 × 8, 5 screws)
5) Remove the Heater assembly.
2. How to attach
1) Attach a new heater in the reverse order of the
removal.
After the heater assembly replacement repair, open
the water supply source valve and water piping
valve to pass water through the hydro unit, and
check that the heater connection has no water
leakage.
1. How to remove
1) Perform the step 1-1, step 4, step 8-2).
2) Take the sensor out.
TC sensor
Sensor diameter: Ø6
Tube color: Black
192
Remarks
Exit quick fastener
Inlet quick Fixing heater
fastener assembly plate
Heater
assembly
Fixing heater
assembly plate
THO sensor
Sensor diameter: Ø6
Tube color: Yellow
TWO sensor
Sensor diameter: Ø6
Tube color: Red
TWI sensor
Sensor diameter: Ø4
Tube color: Blue