Toshiba RAV-SM304SDT-TR Service Manual page 152

No. Part name
1. Detachment
Drain pump,
9
Float switch,
1) Perform works in procedures 1. of 2 , 1. of 3 ,
Drain hose
2) Disconnect lead wires which are connected to
NOTE)
Unlock locks of the housing to remove the
connectors.
CN34 : float SW (3P: Red)
CN504 : Drain pump lead (2P: White)
3) Loosen hose band, remove cap of the drain
4) Take off screws while holding metal on float
NOTE)
If the pipes are damaged, refrigerant leak may be caused. Take out them with great care.
2. Attachment
1) Attach ASSY sheeting metal which was removed in procedure 1. 3) of 9 with care that
2) Insert the drain hose into the inlet of drain pump, and then fix it with hose band. Arrange
3) Carry out wiring as before, and then perform work of procedure 2. of 8 .
NOTE)
Finally check whether they correctly operate or not.
1. Detachment
Evaporator
10
assembly
1) Recover refrigerant, and then remove refriger-
2) Perform works of procedures 1. of 2 , 1. of 3 , 1.
3) Take off screws of the pipe holder, and remove
4) Take off screws of the heat exchanger support
5) Take off screws of the heat exchanger support
6) Remove the evaporator assembly.
2. Attachment
1) Fasten the parts as before in order, Evaporator
2) Connect the refrigerant pipe as before, and
Procedure
1. of 8 .
the following connectors of P .C. board assembly.
hose, and take off screws while holding drain
pump. Remove them with care that pipes are
not damaged. (Ø4 × 10, 3 pcs)
switch.
Remove them with care so that pipes are not
damaged. (Ø4 × 10, 1 pc)
pipes are not damaged, and then fix it with screws.
handle of the hose band at contrary side of heat exchanger side and at direction remote
from drain pan assembly.
ant pipes at indoor unit side.
of 8 .
Remove sensors.
the pipe holder. (Ø4 × 10, 2 pcs)
board (Pipe side), and remove the heat
exchanger support board
(Pipe side). (Ø4 × 10, 4 pcs)
board (Opposite side) which fixes terminal
block of the evaporator assembly.
(Ø4 × 10, 2 pcs)
assembly → Pipe holder → Set sensors
→ Drain pan assembly → Under panel.
then perform vacuuming.
Heat exchanger support board
(Pipe side)
– 152 –
Remarks
Drain hose
Hose band
Drain pump
Float switch
Pipe holder