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RAV-SP1100, 1400AT-E
RAV-SM1100, 1400AT-E
3
SELECTION OF INSTALLATION
Before installation
Be careful to the following items before installation.
Length of refrigerant pipe
<SM1100AT-E, SM1400AT-E>
* 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.
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
<SP1100AT-E, SP1400AT-E only>
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>
<SP1100AT-E, SP1400AT-E>
Length of refrigerant pipe
connected to
indoor/outdoor unit
30m or shorter
*
31m to 70m
Item
Addition of refrigerant is
unnecessary at the local site.
<Addition of refrigerant>
Add 40g of refrigerant for every
1m of pipe which exceeds 30m.
* Caution at addition of refrigerant
When the total length of refrigerant pipe exceeds
30m, add 40g/m of refrigerant and the maximum total
length of pipe is 70m.
(Max. amount of additional refrigerant is 1600g.)
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.
Suction hood (Rear side)
Suction
Suction
Suction hood (Side)
Discharge hood
Fin
Fin
Discharge upward/downward
or leftward is also available.
Use it at location
where a side wind
drives thickly
( )
Discharge