10-2-4. Installation Parts (Local Supply)
*1 If the air conditioner is used in conditions other than the above, the safety protection functions may be activated.
* Example of indoor unit class: RAS-M10U2KCVG-SG1 is abbreviated as “10”
All combinations that do not exceed the “Total”
number can be installed.
More than 2 indoor units must be connected to
an outdoor unit.
When 2 indoor units are connected to an
outdoor unit, note that some combinations of
indoor units are not compatible. For the further
details, refer to the catalogue.
*2 Need the reducer (12.7 to 9.52 mm).
*3 Need the expander (9.52 to 12.7 mm).
• Locally procured.
Indoor unit class Standard connecting pipe diameter
E 10 or 13 6.35, 9.52 mm
D 10 or 13 6.35, 9.52 mm
C 10 or 13 or 18
*2
6.35, 9.52 mm
B 10
*3
or 13
*3
or 18 or 24 or 26 6.35, 12.7 mm
A 10
*3
or 13
*3
or 18 or 24 or 26 6.35, 12.7 mm
Total 75 (RAS-5M51U2ACVG-SG) —
Parts name Specification Q’ty
Refrigerant piping
*4
Indoor unit
(abbreviation)
Liquid side
(O.D.)
Gas side (O.D.)
1 ea.
05, 07, 10, 13 6.35 mm 9.52 mm
18, 24, 26 6.35 mm 12.7 mm
Putty, PVC tapes — 1 ea.
*4 Refrigerant piping covered with insulating material (Polyethylene form, 6 mm thick) When duct-type
or cassette-type unit is to be installed, it shall be covered with thicker insulating material (Polyethylene
form, 10 mm thick)
10-2-5. Installation
Installation Location
• A place which can bear the weight of the outdoor unit and does not cause an increase in noise level and
vibration.
• A place where the operation noise and air discharge do not disturb neighbours.
• A place which is not exposed to strong wind.
• A place free of combustible gas.
• A place which does not block a passageway.
• A place where the drain water does not cause any problems.
•
A place where there are no obstructions near its air intake or air discharge.
Installation in the following places may result in trouble:
• A place with a lot of machine oil.
• A place with saline-rich atmosphere such as a coastal area.
• A place with high level of sulfide gas.
• A place where high-frequency waves are likely to be generated, such as
from audio equipment, welders, or medical equipment.
Do not install the unit in such places.
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