Toshiba MMU-UP0051MH-E(TR) Service Manual page 156

No. Part name
1. Detachment (In case of UP009)
Heat
exchanger
1) Recover the refrigerant gas and then remove the
refrigerant pipe of the indoor unit.
2) Perform work of Detachment 1 of
3) Pull out wires of TC1 sensor, TC2 sensor and TCJ
sensor from the holder.
4) Take off screws (M 4 × 8, 2 pcs.) and the piping cover.
5) Take off screw (M 4 × 8, 1 pc.) and then remove the
heat exchanger fixing board.
6) While pressing the heat exchanger, take off screws
fixing (M 4 × 8, 1 pc. each) of the end boards (2 pcs.),
and then take out the heat exchanger slowly.
2. Attachment (In case of UP009)
1) Set the heat exchanger at the original position and
then fix all the end board, heat exchanger fixing board
and piping cover with taken-off screws as original.
2) Insert wires for TC1 sensor, TC2 sensor and TCJ
sensor into the holder and perform wiring as original.
3) Attach all the drain pan, partition board, bell mouth,
electric parts box, ceiling panel, air filter and center
panel as original. Be sure to perform drawing of wires
as same as original drawing.
1. Detachment
(In cases of UP027/UP048)
1) Recover the refrigerant gas and then remove the
refrigerant piping of the indoor unit.
2) Perform work Detachment 1 of
3) Take off screws and remove the fan base. (For the
tentative hanging parts at 2 positions, it is all right only
to loosen screws.)
UP027 type (Hexagon socket screw M 4 × 10, 10 pcs.)
UP048 type (Hexagon socket screw M 4 × 10, 13 pcs.)
Note
The fan or fan motor are attached to the fan base. If the
base is heavy, remove each for working.
4) Pull out wires of TC1 sensor, TC2 sensor and TCJ
sensor from the holder.
5) Take off screws (M 4 × 10, 2 pcs.) and then remove
the piping cover.
6) Take off screw (M 4 × 10, 1 pc. each) and then remove
the heat exchanger fixing boards (2 pcs.).
7) While pressing the heat exchanger, take off screws
fixing (M 4 × 10, 1 pc. each) of the end boards (2
pcs.), and then take out the heat exchanger slowly.
2. Attachment
(In case of UP027/UP048)
1) Set the heat exchanger at the original position and
then fix all the end board, heat exchanger fixing board
and piping cover with taken-off screws as original.
2) Insert wires for TC1 sensor, TC2 sensor and TCJ
sensor into the holder and perform wiring as original.
3) Attach all the drain pan, partition board, bell mouth,
electric parts box, ceiling panel, air filter and center
panel as original. Be sure to perform drawing of wires
as same as original drawing.
Procedure
.
.
– 156 –
Remarks
In case of UP009
End board
Piping cover Heat exchanger
fixing board
: Screw position
In case of UP027
Fan base
Tentative hanging part
In case of UP048
Fan base
Tentative hanging part
In case of UP027
End board
Piping cover
Heat exchanger
In case of UP048
Heat exchanger
End board fixing board
Piping cover Heat exchanger
: Screw position
Heat exchanger
fixing board