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Toshiba
15 Heater assembly
1.How to remove
1)Perform the step 1-1, step 5, 6, 7, and 11.
2)Remove the nut of the heater connection.
3)Remove the 2 fixed screws of the heater.
4)Pull the heater out upward.
5)Remove the insulator from the heater.
2.How to attach
1)Attach a new heater in the reverse order of the
removal.
16 TC sensor
TWI sensor
TWO sensor
THO sensor
1.How to remove
1)Perform the step 1-1 and step 5.
2)Take the sensor out.
No.
Exchange parts name
Work procedure Remarks
To replace a water circuit part, first close the water
supply source valve and the valve of water pipe
connected to the hydro unit.
The heater connection uses a liquid packing for
water seal. When replacing the heater, use a
packing which was slathered with the liquid gasket.
Part code Service parts
37595721 Packing
37595722 Liquid gasket
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.
Nut
Heater
assembly
Insulato
r
Heater
assembly
THO sensor
Sensor diameter: 6
Tube color: Gray
TC sensor
Sensor diameter: 6
Tube color: Black
TWI sensor
Sensor diameter: 4
Tube color: Blue
TWO sensor
Sensor diameter: 6
Tube color: Red
+00A09-002_01EN_SVM_ALL_Air_to_Water.book Page 134 Monday, October 5, 2009 2:09 PM