Outdoor Unit

Installation Manual

3 SYSTEM REQUIREMENTS

„Piping (Field supplied)

•Minimum refrigerant line length between the outdoor unit and indoor unit is 16.5” (5 m)

•Maximum pipe lengths

Allowable

Height difference

Number of

pipe length

(Indoor-outdoor H)

bent portions

(ft (m))

(ft (m))

 

 

 

 

 

Total length

Indoor unit:

Outdoor unit:

 

L

Upper

Lower

10 or less

246’1” (75)

98’5” (30)

98’5” (30)

 

 

 

 

 

Figure of Single

Indoor Unit

Outdoor Unit

H

L

Refrigerant sizes

Liquid side

Gas side

 

 

 

 

Outer

Thickness

Outer

Thickness

diameter

diameter

 

 

Ø3/8”

0.03”

Ø5/8”

0.04”

(9.5 mm)

(0.8 mm)

(15.9 mm)

(1.0 mm)

Flare nuts and flaring

•The flare nuts and flaring are different from those for the conventional refrigerant.

Use the flare nuts supplied with the air conditioner or those for R410A.

•Before performing flaring, carefully read

“REFRIGERANT PIPING”

Insulation

Both lines need to be insulated. Use a minimum 0.4” (10 mm) wall thickness.

Refrigerant charge

Length of refrigerant

Additional refrigerant

pipe connected to

indoor/outdoor unit

 

9’10” - 98’5”

None

(3 - 30 m)

 

*98’5” - 246’1”

Add 0.43 oz/ft (40 g/m) of

refrigerant for piping that exceeds

(30 - 75 m)

98’5” (30 m) up to 246’1” (75 m).

 

 

 

*Caution during addition of refrigerant

Max. amount of additional refrigerant is 1.8 lbs (800 g).

Charge the refrigerant accurately. Overcharging may cause serious trouble with the compressor.

*Minimum refrigerant pipe is 16’5”(5 m).

This may cause a malfunction of the compressor or other devices.

Metering Device is an electronic EXV (PMV) in outdoor unit.

„Connecting power and control cables (Field supplied)

•The main power is supplied to the outdoor unit. The field supplied connecting cables from the outdoor unit to the indoor unit consist for 4 wires and provides the power for the indoor unit as well as the communication signal between the outdoor and indoor unit.

•System interconnection wire size must be AWG12.

•Breaker must have a capacity specified in the following table.

•All wiring must comply with local electric codes and NEC (National Electric Code) or CEC (Canadian Electric Code).

Model RAV-

SP420

 

 

Power supply

208/230 V, 60 Hz

 

 

MCA

24 A

 

 

MOCP (MAX Fuse/CB)

40 A

 

 

Breaker

25 A

 

 

System interconnection wires

AWG12

 

 

MCA = Minimum Circuit Amps

MOCP =Maximum Over Protection Device Amps.

EN

– 4 –

4-EN

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Toshiba RAV-SP420AT2-UL, RAV-SP360AT2-UL, RAV-SP300AT2-UL installation manual System Requirements, „ Piping Field supplied
Page 4 Page 6

RAV-SP420AT2-UL, RAV-SP300AT2-UL, RAV-SP360AT2-UL specifications

Toshiba has established itself as a leader in HVAC technology, providing solutions that cater to diverse climate control needs. Among its notable models are the Toshiba RAV-SP300AT2-UL, RAV-SP420AT2-UL, and RAV-SP360AT2-UL. Each of these units is designed to deliver efficient cooling and heating, suitable for both residential and commercial applications.

The RAV-SP300AT2-UL is a compact air conditioning unit that emphasizes energy efficiency. With a cooling capacity of 30,000 Btu/h and a heating capacity that mirrors this output, the unit is an ideal choice for moderate-sized spaces. One of its key features is the use of inverter technology, which allows the compressor to adjust its speed according to the cooling demand. This not only reduces energy consumption but also ensures a consistent indoor climate.

Moving to the RAV-SP420AT2-UL, this model offers higher performance with a cooling capacity of 42,000 Btu/h. It maintains energy efficiency while providing robust climate control capabilities. The RAV-SP420AT2-UL is equipped with advanced filtration systems that enhance indoor air quality by removing dust, allergens, and other pollutants. Additionally, the unit features a quiet operation mode that minimizes noise, making it suitable for environments where comfort and tranquility are paramount.

The RAV-SP360AT2-UL occupies a middle ground with a cooling capacity of 36,000 Btu/h. Like its counterparts, it harnesses inverter technology for optimum efficiency. This model is particularly noted for its versatility, as it can effectively serve a wide range of commercial applications. It also boasts smart technology integration, allowing users to control their HVAC systems remotely via smartphones or smart home systems.

All three models are constructed with durable materials designed to withstand varying weather conditions. They also feature a self-diagnostic system that assists technicians in identifying issues quickly, thereby minimizing downtime. Furthermore, Toshiba's commitment to sustainability is evident in these units, as they are designed with eco-friendly refrigerants that comply with global environmental standards.

In conclusion, Toshiba's RAV-SP300AT2-UL, RAV-SP420AT2-UL, and RAV-SP360AT2-UL represent the forefront of HVAC innovation. With their unique features, energy efficiency, and advanced technologies, these air conditioning systems provide reliable performance tailored to the needs of users, ensuring comfort and satisfaction in any environment.
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