Balcar R410A service manual Selection of Installation, Before installation

RAV-SP1100, 1400AT-E

RAV-SM1100, 1400AT-E

3 SELECTION OF INSTALLATION

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>

	Suction hood (Side)
Suction hood (Rear side)	Discharge hood
	Discharge
Fin
Suction	Fin
	Suction

(Discharge upward/downward ) or leftward is also available.

Use it at location where a side wind drives thickly

Before installation

<SP1100AT-E, SP1400AT-E>

Be careful to the following items before installation.

Length of refrigerant pipe

<SM1100AT-E, SM1400AT-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.

Length of refrigerant pipe
connected to	Item
indoor/outdoor unit
20m or shorter	Addition of refrigerant is
	unnecessary at the local site.
*21m to 50m	<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.

*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.

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