Wall Mounted Systems

S-Series Premium Wall Mount with FrostWash Technology

As part of Hitachi’s commitment to constant improvement, we looked for an unprecedented need in our product offering that would allow us to improve our customer experience and create a point of difference that would set us apart.

We identified that unmet need as cleanliness.

As part of Hitachi’s commitment to constant improvement, we looked for an unprecedented need in our product offering that would allow us to improve our customer experience and create a point of difference that would set us apart.

We identified that unmet need as cleanliness.

Introducing Frost Wash Technology

A revolutionary new cleaning technology, you can depend on for cleaner, fresher air like never before.

Self-Cleaning Technology

Frost wash works by freezing moisture on the surface of the indoor unit heat exchanger, capturing and then flushing away impurities that can build over time.

Long Lasting Hygienic Air

Providing your indoor environment with fresher, cleaner air.

Frost Wash achieves a 91% reduction of bacteria and 87% reduction of mould in your unit*.

For the purest air quality, the S-Series also features an additional Nano-Titanium pre-filter as well as the unique Titanium Wasabi Air Purifying filter. 



* Feature introduction based on RAS/RAC-S35YHAB. Tested by Kitasato Research Centre of Environmental Science. Test No. 2019_0154.


(Reduction effects of bacteria and mould were observed by operating Frost Wash once.)

Premium Features

The S-Series comes with a suite of unique features such as built-in Motion Sensor with motion detect eco mode, Eco Sleep mode, leave home function and weekly scheduling capabilities.

Motion-detect Eco Mode allows the unit to adapt its temperature settings depending on people’s absence or presence - saving you power.

Boosted Energy Efficiency

Premium S-Series Hitachi Wall mounted split systems have increased energy efficiency and improved energy star ratings for even more power saving operation.

Stylish Wireless Controller.

The S-Series comes with a stylish wireless controller which has a built-in feature – Power Consumption Tracking.

Monitor your air conditioner’s power usage, ensuring that there are no surprises when the electricity bill arrives.

Peace of Mind

With a five year warranty and backed by one of Australia's largest manufacturers, Temperzone -- you will always have peace of mind.

technical data

technical data

Model (With Frostwash)

RAS/RAC-S25YHAB RAS/RAC-S35YHAB RAS/RAC-S50YHAB RAS/RAC-S60YHAB RAS/RAC-S70YHAB RAS/RAC-S80YHAB
Capacity Nominal Cooling kW
Nominal Heating kW
Capacity (Range) Cooling kW
Heating kW
Airflow High Cooling l/sec
High Heating l/sec
Energy Efficiency EER
COP
Star Rating Cooling
Star Rating Heating
Noise Levels (dB(A)) Cooling Indoor Unit Hi/Med/Low/Sleep
Outdoor Unit Cooling/Heating
Sound Power Outdoor
Dimensions (mm) Indoor Unit (WxHxD)
Outdoor Unit (WxHxD)
Weights (kg) Indoor / Outdoor
Operating Range Outdoor Op. Temp. Cooling
Outdoor Op. Temp. Heating
Refrigerant Type
Pipe Sizes (mm)
Refrig Pipe charge
Min / Max Pipe Lgth / Lift (m)
Power Power Supply
Running Current Cooling / Heating (Amps)
Power Supply To
Interconnecting Wire
Max Current (Amps)
2.5
3.2
0.9-3.1
0.9-4.2
142
158
5.1
5.08
5.5
5.5
40 / 33 / 24 / 22
47/48
61
780 x 280 x 230
792 x 600 x 299
8.5 / 37.5
-10°C to 46°C
-20°C to 21°C
R32
Ø6.35 / Ø9.52
20
3 / 20 / 10
230 - 240 Volt / 50 Hz / 1 Phase
1.09-5.30 / 1.09-5.22
Outdoor Unit
3 Core + E
9.8
3.5
3.8
0.9-4.0
0.9-4.8
189
217
4.22
4.94
3.5
5.0
43 / 36 / 26 / 25
48/50
62
780 x 280 x 230
792 x 600 x 299
8.5 / 37.5
-10°C to 46°C
-20°C to 21°C
R32
Ø6.35 / Ø9.52
20
3 / 20 / 10
230 - 240 Volt / 50 Hz / 1 Phase
1.09-6.09 / 1.09-6.96
Outdoor Unit
3 Core + E
9.8
5.0
6.0
1.2-5.8
1.2-6.8
258
250
4.31
4.29
4.0
4.0
46 / 41 / 36 / 28
50 / 53
63
1100 x 300 x 260
850 x 750 x 298
15 / 50
-10°C to 46°C
-15°C to 24°C
R32
Ø6.35 / Ø12.7
30
3 / 30 / 20
230 - 240 Volt / 50 Hz / 1 Phase
2.31-8.55 / 1.67-9.66
Outdoor Unit
3 Core + E
10.5
6.0
7.0
1.2-6.5
1.2-8.0
258
250
3.8
4.05
3.0
3.5
46 / 41 / 32 / 30
50 / 53
63
1100 x 300 x 260
850 x 750 x 298
15 / 50
-10°C to 46°C
-15°C to 24°C
R32
Ø6.35 / Ø12.7
30
3 / 30 / 20
230 - 240 Volt / 50 Hz / 1 Phase
2.31-8.55 / 1.67-9.66
Outdoor Unit
3 Core + E
10.5
7.0
8.0
1.5-8.0
1.5-8.5
283
300
3.54
4.04
2.5
3.5
47 / 42 / 36 / 30
51 / 53
64
1100 x 300 x 260
850 x 800 x 298
15 / 52
-10°C to 46°C
-15°C to 24°C
R32
Ø6.35 / Ø15.88
30
3 / 30 / 20
230 - 240 Volt / 50 Hz / 1 Phase
2.50-9.79 / 2.19-10.72
Outdoor Unit
3 Core + E
12
8.0
9.0
1.5-8.5
1.5-9.5
283
300
3.27
3.8
2.0
3.0
48 / 44 / 39 / 33
52 / 54
66
1100 x 300 x 260
850 x 800 x 298
15 / 52
-10°C to 46°C
-15°C to 24°C
R32
Ø6.35 / Ø15.88
30
3 / 30 / 20
230 - 240 Volt / 50 Hz / 1 Phase
2.50-9.79 / 2.19-10.72
Outdoor Unit
3 Core + E
12
Model (With Frostwash)

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