Toshiba MMW-UP0271LQ-E Service Manual page 82

No. Part to be replaced
Flow switch
4
Pipe cover panel
5
Work procedure
1. Detachment
1) Close the water supply source valve.
2) Carry out the detachment of item
box).
3) Slowly, turn the cap of flow switch completely and then
lift the flow switch upward.
NOTE: Use some clothes to avoid water dropping.
Cloth Cloth
2. Attachment
1) Carry out installation by following the detachment
procedure in reverse.
NOTE:
• The flow switch connection uses a O-ring for water seal.
Be careful not to scratch the O-ring. Otherwise, water
leakage may occur.
• Place the flow switch parallel to the water outlet pipe.
• The flow switch wire is placed on the right side. Refer to
item (Electrical control box).
3
• Be careful to attach the proper flow switch as shown
below.
• After the flow switch replacement repair, open the water
supply source valve and water piping valve to pass
water through the unit, and check that the flow switch
connection has no water leakage.
• Carry out the work of air ventilation in water circuit.
Blue cap for
Blue cap for Blue cap for
027 type 027 type 027 type
Black cap for Black cap for Black cap for
056 type 056 type 056 type
1. Detachment
1) Remove wires which are connected to the terminal
block and then remove wiring from the wiring port.
2) Remove the screws for the pipe cover panel.(4x10, 5pcs.)
2. Attachment
1) Carry out installation by following the detachment
procedure in reverse.
3 (Electrical control
Cap Cap
Lift Lift
Open Open
Check the arrow marked Check the arrow marked Check the arrow marked
on the flow switch. on the flow switch. on the flow switch.
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Remarks
Flow switch Flow switch
O-ring O-ring O-ring
Water flow direction Water flow direction
Water outlet pipe Water outlet pipe
Flow switch Flow switch
Wire Wire
Parallel Parallel