Toshiba RAV-SP1604AT8-E, RAV-SP1104AT8ZG-TR Accessory Parts And Refrigerant, 105, EN-8, 9-EN

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2 ACCESSORY PARTS AND REFRIGERANT

￿Accessory Parts

Part name	Q’ty	Shape	Usage
			Hand this directly to the customer.
Outdoor unit installation manual	1		(For other languages that do not appear in this
			Installation Manual, please refer to the enclosed
			CD-R.)
Drain nipple	1
Waterproof rubber cap	5
Protective bush	1		For protecting wires (pipe cover)
Guard material for passage part	1		For protecting passage part (pipe cover)
Clamp filter	1		For conforming to EMC standards
			(Used for power wire)

– 105 –

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3 INSTALLATION OF NEW REFRIGERANT AIR CONDITIONER

•The R410A refrigerant is more susceptible to impurities such as water, oxide membranes, oils, and fats. With the adoption of the new refrigerant, the refrigerating oil has also been changed.

Be careful not to let water, dust, conventional refrigerant, and/or conventional refrigerating oil enter the refrigerating cycle of the new refrigerant air conditioner.

•To prevent different refrigerant or refrigerating oil from becoming mixed, the sizes of the charging port of the unit and the installation tool connection sections are different from those of the conventional refrigerant. Accordingly, the following exclusive tools are required for the new refrigerant R410A.

￿Required Tools/Equipment and Precautions for Use

Prepare the tools and equipment listed in the following table before starting the installation work.

Newly prepared tools and equipment must be used exclusively.

Legend

: Prepared newly (Use for R410A only. Do not use for refrigerant R22 or R407C etc.) : Conventional tools/equipment are available

Tools/equipment	Use		How to use tools/equipment
Gauge manifold	Vacuuming/charging refrigerant		Prepared newly for R410A only
Charging hose	and operation check		Prepared newly for R410A only
Charging cylinder	Can not be used	Unusable (Use the refrigerant charging measure
		instead.)
Gas leak detector	Gas leak check		Prepared newly
Vacuum pump	Vacuum drying	Unusable
Vacuum pump with backflow	Vacuum drying		R22 (Conventional tools)
prevention function
Flare tool	Flare machining of pipes		Usable if dimensions are adjusted.
Bender	Bending pipes		R22 (Conventional tools)
Refrigerant recovery equipment	Refrigerant recovery		For R410A only
Torque wrench	Tightening flare nuts		Exclusive for Ø12.7 mm and Ø15.9 mm
Pipe cutter	Cutting pipes		R22 (Conventional tools)
Welding machine and nitrogen	Welding pipes		R22 (Conventional tools)
cylinder
Refrigerant charging measure	Charging refrigerant		R22 (Conventional tools)

EN-8 8 9 9-EN