Utopia Prime Standard Heat Pump
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Hitachi’s Utopia Prime Standard Heat Pump range are high specification single and multi-split systems with an increased number of twin, triple and quad combinations in addition to delivering excellent part-load efficiency.
Designed for use as Single, Twin, Triple or Quad Split Systems
With cooling capacities and heating capacities from 10.0kW to 14.0kW, a maximum of 4 indoor units are connectable to a single outdoor unit,
Twin and, Triple and Quad Combinations Possible (All on or all off – not VRF Control)
| Model Reference | Nom Cool/Heat (kw) | Refrigerant Type | Max Pipe (m) | Fuse Rating (Amps) | Pipe Size Gas | Pipe Size Liquid | Inter- Connecting Cable | Electrical Supply |
|
| Max. Indoors | Outdoor Unit | ||||||||
| Max 1 FC, 100% | RAS-2HVRC2 | 5.00 / 5.00 | R32 | 50 | 16 | 1/2 | 1/4 | 3C + 2C* | Single |
| Max 1 FC, 100% | RAS-2.5HVRC2 | 5.60 / 5.60 | R32 | 50 | 16 | 1/2 | 1/4 | 3C + 2C* | Single |
| Max 2 FC, 90 - 100% | RAS-3HVRC2 | 7.10 / 7.10 | R32 | 50 | 20 | 5/8 | 3/8 | 3C + 2C* | Single |
| Max 4 FC, 90 - 115% | RAS-4HVRC2E | 10.00 / 10.00 | R32 | 75 | 25 | 5/8 | 3/8 | 3C + 2C* | Single |
| Max 4 FC, 90 - 115% | RAS-5HVRC2E | 11.90 / 11.90 | R32 | 75 | 25 | 5/8 | 3/8 | 3C + 2C* | Single |
| Max 4 FC, 90 - 115% | RAS-6HVRC2E | 14.00 / 14.00 | R32 | 75 | 25 | 5/8 | 3/8 | 3C + 2C* | Single |
| Max 4 FC, 90 - 115% | RAS-4HRC2E | 10.00 / 10.00 | R32 | 75 | 20 | 5/8 | 3/8 | 3C + 2C* | Three |
| Max 4 FC, 90 - 115% | RAS-5HRC2E | 11.90 / 11.90 | R32 | 75 | 20 | 5/8 | 3/8 | 3C + 2C* | Three |
| Max 4 FC, 90 - 115% | RAS-6HRC2E | 14.00 / 14.00 | R32 | 75 | 20 | 5/8 | 3/8 | 3C + 2C* | Three |
Compatible Indoor Units
Features and Benefits
- Ability to utilise any Hitachi System-Free Indoor Unit
- Flexible connections – can connect indoor units with capacities as low as 2kW in Multi Configuration
- SCOP as high as 4.73 and SEER as high as 7.35 (twin Cassette 14kW example)
- Cooling capacities from 7.1W to 14.0kW (True 12Hp/30kW Condensing Unit)
- Heating capacities from 8.0kW to 16.0kW
- Compact design – single fan (up to 6HP)
- R32 refrigerant for models up to 14kW
- Improved connectivity – up to 4 indoors per outdoor unit minimising pipework required
- Fully ErP compliant with A++ seasonal efficiency
- Decreased Defrost Operation and Extended Heating Operation
- Available in single phase and three phase.
Comfort and ease of installation
Improved connectivity (up to 4 indoors per outdoor unit, minimising pipework required)
The individual Thermo-on and Thermo-off is possible even when the remote control is connected to multiple internal units.
The system is able to handle changes in air conditioning needs for each individual space, e.g., internal zone or perimeter area, and thereby optimise energy efficiencies.
This produces a highly comfortable environment and great electricity savings.
Easily adaptable and reconfigurable
Each indoor unit can be operated completely independently within the same mode.
Controlled from a dedicated remote controller, each room’s occupants can monitor and adjust operating temperatures according to their specific requirements.
This facilitates maximum energy savings and total future flexibility, as units have individual control regardless
of possible future reorganisation of the interior spaces.
Compatibility with R22 pipework
New Utopia IVX Comfort (and IVX Premium) are compatible* with existing R22 gas installations. Both models – which use R410A refrigerant gas – can be installed without having to change the existing installed piping as the system adjusts the pressure so as
not to damage the existing piping.
Advanced Technical Data
| Outdoor Unit Technical Data | Model Reference | Model Reference | Model Reference | |||
| Connectivity | 1 | 1 | 1 - 2 | 1 - 4 | 1 - 4 | 1 - 4 |
| VRF Operation | No - Single Controller per System Only | |||||
| Model | RAS-2HVRC3 | RAS-2.5HVRC3 | RAS-3HVRC3 | RAS-4H(V)RC2E | RAS-5H(V)RC2E | RAS-6H(V)RC2E |
| Height (mm) | 629 | 1140 | ||||
| Width (mm) | 799 (+99) | 950 | ||||
| Depth (mm) | 300 (+65) | 370 | ||||
| Weight (kG) | 40 | 40 | 43 | 84 | ||
| Airflow Cooling (m3/min) | 45.9 | 45.9 | 49.7 | 80 | 80 | 80 |
| Airflow Heating (m3/min) | 45.9 | 45.9 | 57.0 | 80 | 80 | 80 |
| Sound Pressure Cooling (dBA) | 45 | 45 | 52 | 54 | 54 | 56 |
| Sound Pressure Sound Pressure Cooling Night Mode (dBA) | 42 | 43 | 48 | 51 | 51 | 51 |
| Sound Power Cooling (dBA) | 65 | 65 | 68 | 70 | 70 | 72 |
| Liquid (mm(inches)) | 6.38 (1/4) | 6.38 (1/4) | 9.52 (3/8) | 9.52 (3/8) | 9.52 (3/8) | 9.52 (3/8) |
| Gas (mm(inches)) | 12.70 (1/2) | 12.70 (1/2) | 15.88 (5/8) | 15.88 (5/8) | 15.88 (5/8) | 15.88 (5/8) |
| Max Pipe Run (m) | 50 | 50 | 50 | 75 | 75 | 75 |
| Min Pipe Run (m) | 5 | 5 | 5 | |||
| Max Pipe Lift (m) | 30 / 20 (higher OU / lower OU) | 30 / 20 (higher OU / lower OU) | 30 / 20 (higher OU / lower OU) | |||
| Pre-charged to (m) | 30 | 30 | 30 | 20 | 20 | 20 |
| Standing Charge (kG) | 1.3 | 1.3 | 1.8 | 3.0 | 3.0 | 3.0 |
| Additional charge (g/m) | 24 | 24 | 30 | 45 | 45 | 45 |
| Refrigerant | R32 | |||||
| Phase | Single | Single | Single | Single (Three) | Single (Three) | Single (Three) |
| Power Supply to | Indoor / Outdoor (see notes below) | |||||
| Run Current Cool/Heat(A) | 5.5 / 5.4 | 6.0 / 6.2 | 8.2 / 7.5 | 12.4 / 12.8 (4.4 / 4.5) | 16.3 / 17.0 (5.7 / 6.0) | 21.1 / 17.6 (7.4 / 6.2) |
| Max Current (A) | 12.5 | 12.5 | 16.5 | 22.5 (15) | 22.5 (15) | 22.5 (15) |
| Fuse Rating (A) | 16 | 16 | 20 | 25 (20) | 25 (20) | 25 (20) |
| Interconnecting | 2C 0.75mm Screened Cable (note that power can also be fed from condenser separately via inline fuse) | |||||
| System Power Input (Cool/Heat) - kW | TBC | TBC | TBC | 2.56 / 2.65 | 3.38 / 3.52 | 4.38 / 3.64 |
| Pipe Kit Required (Twin) | N/A | N/A | E-102SN4 | |||
| Pipe Kit Required (Triple) | N/A | N/A | N/A | E-102SN4 x 2 | ||
| Pipe Kit Required (Quad) | N/A | N/A | N/A | E-102SN4 x 3 | ||
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