Toshiba RAV-SM801AT-E Selection Of Installation, Before installation, Example, Air purge

RAV-SM561AT-E, RAV-SM801AT-E

3 SELECTION OF INSTALLATION

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>

Suction hood (Side) Discharge hood

Suction hood (Rear side)

Discharge

	Fin
	Fin
Suction	Suction

Before installation

Be careful to the following items before installation.

Length of refrigerant pipe

<SM56>

Length of refrigerant
pipe connected to	Item
indoor/outdoor unit
20 m or shorter	Addition of refrigerant is
	unnecessary at the local site.
∗ 21 m to 30 m	<Addition of refrigerant>
	Add 20 g of refrigerant for every
	1 m of pipe which exceeds 20 m.

∗Caution at addition of refrigerant

When the total length of refrigerant pipe exceeds 20 m, add 20 g/m of refrigerant and the maximum total length of pipe is 30 m.

(Max. amount of additional refrigerant is 200 g.)

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 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.

<SM80>

Length of refrigerant
pipe connected to	Item
indoor/outdoor unit
20 m or shorter	Addition of refrigerant is
	unnecessary at the local site.
∗ 21 m to 30 m	<Addition of refrigerant>
	Add 40 g of refrigerant for every
	1 m of pipe which exceeds 20 m.

∗Caution at addition of refrigerant

When the total length of refrigerant pipe exceeds 20 m, add 40 g/m of refrigerant and the maximum total length of pipe is 30 m.

(Max. amount of additional refrigerant is 400 g.)

Charge the refrigerant accurately. Overcharge may cause a serious trouble of compressor.

– 6 –