Toshiba MMW-AP0271LQ-E Service Manual page 71

No. Part to be replaced
Heat exchanger
7
assembly
Work procedure
1. Detachment
1) Close the water supply source valve and the valve of
water pipe connected to the unit, carry out the
refrigerant recovery and then remove the refrigerant
and water pipes.
2) Carry out the detachment of item
box) and item (pipe cover plate).
6
3) Remove the screws for the heat exchanger assembly
fixing plate as shown below.(4x10, 7pcs.)
For the unit for 056 type:4x10, 8pcs.
4) Remove the heat exchanger assembly from the unit as
shown below.
056 type only 056 type only
Heat exchanger assembly fixing plate Heat exchanger assembly fixing plate
When removing these two screws, When removing these two screws,
use a screwdriver as shown on the right. use a screwdriver as shown on the right
5) Remove sensors, 2way valve coil and flow switch
attached the heat exchanger assembly.
6) Carry out installation by following the detachment
procedure in reverse.
CAUTION
• Be careful in the insertion direction of attaching the
sensor, as shown below.
• Be careful to attach the flow switch, as shown
item (flow switch).
5
2. Attachment
1) Carry out installation by following the detachment
procedure in reverse.
NOTE:
• To attach the heat exchanger assembly on the proper
position, replace the heat exchanger assembly edge on
the enboss, as shown below.
(Electrical control
4
200mm 200mm
or more or more
For TC2 (TWO) and TC1 For TC2 (TWO) and TC1
Insertion drection : Insertion drection :
TC1 TC1
TC2 (TWO) TC2 (TWO)
Enboss Enboss
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Remarks
2way valve 2way valve 2way valve
coil drection coil drection coil drection
TCJ TCJ TF (TCJ2) TF (TCJ2)
TA (TWI) TA (TWI)
For TA(TWI), TCJ and TF (TCJ2) For TA(TWI), TCJ and TF (TCJ2)
Insertion drection : Insertion drection :
Heat exchanger assembly edge Heat exchanger assembly edge