Piping And Drain Hose Installation - Toshiba RAS-B22N3KV2-E1 Installation Manual

Control wire
Hole for hang
remote controller
Remote controller
Remote controller
"
Screw
Tighten fi rmly but not over
0.15 N·m (0.02 kgf·m)
*Remark : 1. Recommend to use double insulation lead wire for connect
remote control and air conditioner.
2. For wire operation, 1 remote control can control only 1 indoor
unit.
3. In wire operation, remote controller will return to initial
condition (PRESET, TIMER and CLOCK will return to
initial condition) when user shutdown power supply of air
conditioner.
How to install the air inlet grille on the indoor
unit
• When attaching the air inlet grille,
perform the same process as for
removal but in reverse order.

Piping and Drain Hose Installation

Piping and drain hose forming
* Since dewing results in a machine trouble, make sure to insulate both
connecting pipes. (Use polyethylene foam as insulating material.)
Rear right
Rear left
Bottom left
Left
Bottom right
Right
1. Die-cutting front panel slit
Cut out the slit on the leftward or right side of the front panel for the left
or right connection and the slit on the bottom left or right side of the front
panel for the bottom left or right connection with a pair of nippers.
2. Changing drain hose
For leftward connection, bottom-leftward connection and rearleftward
connection's piping, it is necessary to change the drain hose and drain
cap.
Control wire
Screw (Ø3.1×16L)
for hang remote
controller
Wall
Screw (Ø3.1×25L)
for fi x battery cover
#
Battery cover
$
How to remove the drain hose
• The drain hose can be removed by removing the
screw securing the drain hose and then pulling out
the drain hose.
• When removing the drain hose, be careful of any
sharp edges of steel plate. The edges can injuries.
• To install the drain hose, insert the drain hose
fi rmly until the connection part contacts with heat
insulator, and then secure it with original screw.
How to remove the drain cap
Clip the drain cap by needle-nose
pliers and pull out.
How to fi x the drain cap
1) Insert hexagon
wrench (4 mm)
in a center head.
2) Firmly insert the drain cap.
No gap
Insert a hexagon
wrench (4 mm).
CAUTION
Firmly insert the drain hose and drain cap; otherwise, water may leak.
In case of right or left piping
• After scribing slits of the front panel with a
knife or a making-off pin, cut them with a
pair of nippers or an equivalent tool.
In case of bottom right or bottom left piping
• After scribing slits of the front panel with a
knife or a making-off pin, cut them with a
pair of nippers or an equivalent tool.
Left-hand connection with piping
• Bend the connecting pipe so that it is laid within 43 mm above the wall
surface. If the connecting pipe is laid exceeding 43 mm above the wall
surface, the indoor unit may unstably be set on the wall.
When bending the connecting pipe, make sure to use a spring bender so as
not to crush the pipe.
Bend the connecting pipe within a radius of 30 mm.
To connect the pipe after installation of the unit (fi gure)
520 mm
420 mm
R 30 mm (Use polisin (polyethylene)
core or the like for bending pipe.)
NOTE
If the pipe is bent incorrectly, the indoor unit may unstably be set on the wall.
After passing the connecting pipe through the pipe hole, connect the
connecting pipes to the auxiliary pipes and wrap the facing tape around
them.
6
Heat insulator
Drain hose
4 mm
Do not apply lubricating oil
(refrigerant machine oil) when
inserting the drain cap. Application
causes deterioration and drain
leakage from the plug.
Slit
Slit
(To the forefront of fl are)
Gas side
Liquid side
Outward form of indoor unit
Use the handle of screwdriver, etc.