Outdoor Unit; Installation Place; Refrigerant Piping Connection - Toshiba RAS-10 Installation Manual

2. Put water in the drain pan and make sure that the water is drained out of
doors.
3. When connecting extension drain hose, insulate the connecting part of
extension drain hose with shield pipe.
Shield pipe
Drain hose
Inside the room

Installation Place

• A place which provides the spaces around the outdoor unit as shown in the
diagram
• A place which can bear the weight of the outdoor unit and does not allow an
increase in noise level and vibration
• A place where the operation noise and discharged air do not disturb your
neighbors
• A place which is not exposed to a strong wind
• A place free of a leakage of combustible gases
• A place which does not block a passage
• When the outdoor unit is to be installed in an elevated position, be sure to
secure its feet.
• The allowable pipe length is up to 15 m
• The allowable height of outdoor-unit installation site is up to 5 m for
RAS-10PASG -T and 6 m for RAS-13PASG -T
• A place where the drain water does not raise any problems
CAU I N
1. Install the outdoor unit without anything blocking the air discharging.
2. When the outdoor unit is installed in a place always exposed to strong
wind like a coast or on a high storey of a building, secure the normal fan
operation using a duct or a windshield.
3. In particularly windy areas, install the unit such as to avoid admission of
wind.
4. Installation in the following places may result in trouble.
Do not install the unit in such places.
• A place full of machine oil
• A saline-place such as the coast
• A place full of sulfi de gas
• A place where high-frequency
waves are likely to be generated
as from audio equipment, welders,
and medical equipment
e ri erant Pi in Connection
Flarin
1. Cut the pipe with a pipe cutter.
90
2. Insert a fl are nut into the pipe and fl are the pipe.
• Pro ection mar in in fl arin
I (clutch type)
I
ter dia.
o co er i e
Ø6.35
Ø9.52
Ø12.70
Pipes thickness
Extension drain hose

OUTDOOR UNIT

OUTDOOR UNIT
Strong
wind
Obliquity Roughness Warp
A Unit mm
Conventional tool
tool sed
sed
0 to 0.5 1.0 to 1.5
0 to 0.5 1.0 to 1.5
0 to 0.5 1.0 to 1.5
0.8 mm or more
CAU I N
Arrange the drain pipe for proper drainage from the unit.
Improper drainage can result in dew-dropping.
This air conditioner has the structure designed
to drain water collected from dew, which forms
on the back of the indoor unit, to the drain pan.
Therefore, do not store the power cord and other
parts at a height above the drain guide.
I P
A
Die
Pipe
i htenin connection
Align the centers of the connecting pipes and tighten the fl are nut as far as pos-
sible with your fi ngers. Then tighten the nut with a spanner and torque wrench
as shown in the fi gure.
Half union
Externally
threaded side
Use a wrench to secure.
CAU I N
Do not apply excess torque. Otherwise, the nut may crack depending on
the conditions.
ter dia. o co er i e
Ø6.35 mm
Ø9.52 mm
Ø12.70 mm
• e o fl are i e connections
i htenin tor
The operating pressure of R32
is higher than that of R22 (approx.
1.6 times). It is therefore necessary
to fi rmly tighten the fl are pipe
connecting sections (which connect
the indoor and outdoor units) up to the
specifi ed tightening torque. Incorrect
connections may cause not only a
gas leakage, but also damage to the
refrigeration cycle.
6
Space for pipes
IA (wing nut type)
ter dia. o co er i e
Ø6.35 1.5 to 2.0
Ø9.52 1.5 to 2.0
Ø12.70 2.0 to 2.5
Pipes thickness 0.8 mm or more
Flare nut
Internally
threaded side
Use a torque wrench to tighten.
i htenin tor
16 to 18 (1.6 to 1.8 kgf·m)
30 to 42 (3.0 to 4.2 kgf·m)
50 to 62 (5.0 to 6.2 kgf·m)
Flare at
indoor unit side
Flare at
outdoor unit side
Wall
Drain
guide
(Unit : N·m)
e