Toshiba RAV-SM801AT-E Accessory And Refrigerant, Selection Of Installation, Refrigerant Piping

RAV-SM1101AT-E, RAV-SM1401AT-E

2 ACCESSORY AND REFRIGERANT

Accessory and Installation Parts

1	3
Outdoor unit
Installation manual x 1	Protective bush
Drain nipple
2	4
	Guard material for
Waterproof rubber cap	passage part

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.

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.

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.)

<Example>

Suction hood (Side) Discharge hood

Suction hood (Rear side)

Discharge

Fin

Fin

SuctionSuction

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.

Before installation

Be careful to the following items before installation.

Length of refrigerant pipe

Length of refrigerant pipe	Item
connected to indoor/outdoor unit
30 m or shorter	Addition of refrigerant is unnecessary at the local site.
∗ 31 m to 50 m	<Addition of refrigerant>
	Add 40 g of refrigerant for every 1m of pipe which exceeds 20 m.

∗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.

– 18 –