Toshiba RAV-SM561AT-E - Manual (Page 18)

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RAV-SM1101AT-E, RAV-SM1401AT-E
Before installation
Be careful to the following items before installation.
Length of refrigerant pipe
2
ACCESSORY AND REFRIGERANT
Suction
Suction hood (Side)
Discharge hood
Fin
Suction hood
(Rear side)
Suction
Fin
Discharge
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.
Use copper pipe with 1.0 mm or more thickness for
Ø15.9.
• 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 condi-
tioner, and use it.
Outdoor unit
Installation manual x 1
1
2
3
4
Drain nipple
Waterproof rubber cap
Protective bush
Guard material for
passage part
3
SELECTION OF INSTALLATION
∗∗∗∗∗
Caution at addition of refrigerant
When the total length of refrigerant pipe exceeds 30 m, add 40 g /m of refrigerant and the maximum total length
of pipe is 50 m. (Max. amount of additional refrigerant is 800 g.)
Charge the refrigerant accurately. Overcharge may cause a serious trouble of compressor.
CAUTION
When using an air conditioner under low outside
temperature condition (Outside temp.:–5°C or
lower) with COOL mode, prepare a duct or wind
shield so that it is not affected by the wind.
<Example>
Length of refrigerant pipe
connected to indoor/outdoor unit
30 m or shorter
∗
31 m to 50 m
Item
Addition of refrigerant is unnecessary at the local site.
<Addition of refrigerant>
Add 40 g of refrigerant for every 1m of pipe which exceeds 20 m.
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
contained 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.