Mitsubishi Electric SLZ Series Technical & Service Manual page 30

OPERATING PROCEDURE
3. Removing the electrical parts
(1) Loosen the 2 screws on the control box cover.
(2) Slide the control box cover as indicated by the arrow to
remove.
<Electrical parts in the control box>
• Indoor controller board (I.B)
• Terminal block (TB4)
• Terminal block (TB5)
4. Removing the room temperature thermistor (TH1)
(1) Remove the panel. (Refer to procedure 2)
Room temperature thermistor (TH1) (See Photo 6)
(2) Remove the 2 lead wire cover fixing screws. (See Photo 6)
(3) Open the lead wire cover, then remove the connector
cover from the connector box.
(4) Remove the band that fixes the room temperature ther-
mistor (TH1) to the connector box.
(5) Remove the room temperature thermistor (TH1) from the
connector box.
(6) Remove the connector (CN20) from the indoor controller
board, and disconnect the room temperature thermistor
(TH1).
Note: When fixing the thermistor, make sure to fix it to
the connector box using a band.
5. Removing the drain pan
(1) Remove the panel. (Refer to procedure 2)
(2) Remove the room temperature thermistor (TH1). (Refer
to procedure 4)
Connector box (See Photo 7)
(3) Remove the connector box fixing screw.
(4) Slide the connector box as indicated by the arrow 1, then
remove from bell mouth.
Bell mouth (See Photo 7)
(5) Remove the 4 bell mouth fixing screws, then remove the
bell mouth.
Drain pan (See Photo 7)
(6) Remove the 4 drain pan fixing screws, then remove the
drain pan.
TCH118
PHOTOS/FIGURES
Photo 4
Control box cover
Photo 5
Terminal block (TB5) Terminal block (TB5)
Photo 6
Lead wire cover
Room temperature thermistor (TH1)
Photo 7
Drain pan
fi xing screws
Connector box
fi xing screw
1
Drain pan
fi xing screws
30
Screws Screws
Indoor controller board (I.B) Indoor controller board (I.B)
Terminal block (TB4)
Lead wire cover
fi xing screws
Connector cover
Bell mouth
fi xing screws