Toshiba RAV-SM1100UT-E - Manual (Page 6)

3
Outdoor unit
Installation manual x 1
1
2
3
4
Drain nipple
Waterproof rubber cap
Protective bush
Guard material for
passage part
2
ACCESSORY AND REFRIGERANT
Accessory and Installation Parts Refrigerant Piping
• Piping kit used for the conventional refrigerant cannot
be used.
• Use copper pipe with 0.8 mm or more thickness for
Ø9.5 mm.
Use copper pipe with 1.0 mm or more thickness for
Ø15.9 mm.
• Flare nut and flare works are also different from those
of the conventional refrigerant. Take out the flare nut
attached to the main unit of the air conditioner, and
use it.
3
SELECTION OF INSTALLATION
Before installation
Be careful to the following items before installation.
Length of refrigerant pipe
Length of refrigerant pipe
connected to
indoor/outdoor unit
20m or shorter
* 21m to 50m
Item
Addition of refrigerant is
unnecessary at the local site.
<Addition of refrigerant>
Add 40g of refrigerant for every
1m of pipe which exceeds 20m.
* Caution at addition of refrigerant
When the total length of refrigerant pipe exceeds
20m, add 40g/m of refrigerant and the maximum total
length of pipe is 50m.
(Max. amount of additional refrigerant is 1200g.)
Charge the refrigerant accurately. Overcharge may
cause a serious trouble of compressor.
Air purge
• For air purge, use a vacuum pump.
• Do not use refrigerant charged in the outdoor unit for
air purge. (The refrigerant for air purge is not con-
tained in the outdoor unit.)
Electrical cabling
• Be sure to fix the power cables and indoor/outdoor
connecting cables with clamps so that they do not
contact with the cabinet, etc.
R
A
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-SM1100A
T
-E
R
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-SM1400A
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-E