Maxi MVD VR4+ (3 pipes)
The new Maxi MVD VR4+ (3 pipes) system allows heating and cooling of different zones simultaneously with a single air conditioning system. This allows saving up to 50% of the energy cost compared to a conventional 2-pipe system.
The system consists of 5 basic modules that can be combined with each other, allowing a maximum power of up to 180kW and a maximum pipe length of up to 1000m.
Super DC Inverter
All equipment in the range incorporates DC Inverter compressors and fan motors, thus improving the system performance at medium frequencies and ensuring more sensitive and effective control.
Wide Range with Multiple Combinations
Five basic modules that can be combined as the customer wishes. The system capacity can range from 8HP to 64HP in increments of 2HP. In total, up to 64 indoor units can be connected or a total indoor capacity that does not exceed 130% of the outdoor unit capacity.
Defrosts while Continuing to Heat
Thanks to the heat exchanger split in two stages, the equipment is able to perform a defrost without stopping sending high pressure gas to the indoor units. First it defrosts one part of the exchanger and then the other part.
Automatic Capacity Adjustment
The heat exchanger is split into two parts, so the equipment can use one part to evaporate and another to condense at the same time, or use only one part working in partial load.
Simplified Communication Connection
The installation of the communication wiring is simpler since, if it is necessary to install a centralized control, it is not necessary to wire a second communication bus between the indoor units and the centralized control. The central control (except CCM09) can be connected directly to the outdoor unit and perform the manual addressing so that the control detects all the indoor units connected to that outdoor unit.
Low Noise Level
The optimal fan design and the new design of the air outlet grille and deflector allow for greater air flow and lower noise levels during operation.
Maximum Pipe Length of up to 1000m
The Maxi MVD VR4+ system supports a maximum pipe length of 1000m and a height difference of 70m or even 110m in the case that the outdoor unit is installed lower than the indoor units.
Rotation & Backup
In a modular system, the rotation function allows any unit to start as master, which allows all compressors to work the same amount of hours.
Wide Operating Range
The VR4+ system can operate in extreme temperature conditions, in heating mode up to an outside temperature of -20°C, in cooling mode up to 48°C and in both modes simultaneously from -5°C to 24°C.
Full Compatibility
The Maxi MVD VR4+ system is compatible with all MVD indoor units.
TECHNICAL SPECIFICATIONS
| Model | MVD-252(8)W/D2RN1T(C) | MVD-280(10)W/D2RN1T(C) | MVD-335(12)W/D2RN1T(C) | MVD-400(14)W/D2RN1T(C) | MVD-450(16)W/D2RN1T(C) | |||
|---|---|---|---|---|---|---|---|---|
| Code | CL23115 | CL23116 | CL23117 | CL23118 | CL23119 | |||
| Electrical Power | 3N-, 400V, 50Hz | 3N-, 400V, 50Hz | 3N-, 400V, 50Hz | 3N-, 400V, 50Hz | 3N-, 400V, 50Hz | |||
| Cooling (1) | Capacity | kW | 25,2 | 28 | 33,5 | 40 | 45 | |
| Power Consumption (7) | kW | 5,97 | 6,75 | 9,28 | 11,49 | 14,20 | ||
| EER (7) | 4,22 | 4,15 | 3,61 | 3,48 | 3,17 | |||
| Heating (2) | Capacity | kW | 27 | 31,5 | 37,5 | 45 | 50 | |
| Power Consumption (7) | kW | 5,02 | 6,21 | 9,24 | 9,76 | 11,90 | ||
| COP (7) | 5,38 | 5,07 | 4,06 | 4,10 | 3,78 | |||
| Nominal Intensity | A | 20,8 | 22,1 | 22,8 | 31,8 | 32,8 | ||
| Connectivity | Connectable Cap. | % | 50 130 | 50 130 | 50 130 | 50 130 | 50 130 | |
| No. max indoor | 13 | 16 | 20 | 23 | 26 | |||
| Compressor | Brand | Hitachi | Hitachi | Hitachi | Hitachi | Hitachi | ||
| Type | DC Inverter | DC Inverter | DC Inverter | DC Inverter | DC Inverter | |||
| Quantity | 1 | 1 | 1 | 2 | 2 | |||
| Model No. 1 | E655DHD-65D2YG | E655DHD-65D2YG | E655DHD-65D2YG | E655DHD-65D2YG | E655DHD-65D2YG | |||
| Model No. 2 | — | — | — | E405DHD-36D2YG | E405DHD-36D2YG | |||
| Fan | Type | DC | DC | DC | DC | DC | ||
| Quantity | 2 | 2 | 2 | 2 | 2 | |||
| Flow | m³/h | 12.000 | 12.000 | 13.000 | 15.000 | 15.000 | ||
| Static Pressure | Standard | Pa | 0-20 | 0-20 | 0-20 | 0-20 | 0-20 | |
| Sound Pressure (3) | dB(A) | 57 | 57 | 58 | 60 | 60 | ||
| Dimensions | Net (W x H x D) | mm | 1250 x 1615 x 765 | 1250 x 1615 x 765 | 1250 x 1615 x 765 | 1250 x 1615 x 765 | 1250 x 1615 x 765 | |
| Gross (W x H x D) | mm | 1305 x 1790 x 820 | 1305 x 1790 x 820 | 1305 x 1790 x 820 | 1305 x 1790 x 820 | 1305 x 1790 x 820 | ||
| Weight | Net | Kg | 255 | 255 | 255 | 303 | 303 | |
| Gross | Kg | 273 | 273 | 273 | 322 | 322 | ||
| Refrigerant | Type / GWP | R410A / 2088 | R410A / 2088 | R410A / 2088 | R410A / 2088 | R410A / 2088 | ||
| Quantity | kg / TCO2eq | 10 / 20,88 | 10 / 20,88 | 10 / 20,88 | 13 / 27,14 | 13 / 27,1 | ||
| Refrigerant Distances (4) | Max. Vertical | m | 70 | 70 | 70 | 70 | 70 | |
| Total | m | 1.000 | 1.000 | 1.000 | 1.000 | 1.000 | ||
| Refrigerant Connections (5) | Liquid | mm | 12.7 (1/2″) | 12.7 (1/2″) | 15.9 (5/8″) | 15.9 (5/8″) | 15.9 (5/8″) | |
| High Pressure Gas | mm | 19.1 (3/4″) | 19.1 (3/4″) | 19.1 (3/4″) | 22.2 (7/8″) | 22.2 (7/8″) | ||
| Low Pressure Gas | mm | 22,2 (7/8) | 22,2 (7/8) | 25.4 (1″) | 28.6 (1 1/8″) | 28.6 (1 1/8″) | ||
| Gas Balance | mm | 19.1 (3/4″) | 19.1 (3/4″) | 19.1 (3/4″) | 19.1 (3/4″) | 19.1 (3/4″) | ||
| Oil Balance | mm | 6 (1/4″) | 6 (1/4″) | 6 (1/4″) | 6 (1/4″) | 6 (1/4″) | ||
| Electrical Connections (6) | Power Wiring / ICP | mm2 / A | 4 x 6 + T / 25 | 4 x 6 + T / 25 | 4 x 6 + T / 25 | 4 x 16 + T / 35 | 4 x 16 + T / 35 | |
| Signal | mm2 | 3 x 0.75 (Shielded) | 3 x 0.75 (Shielded) | 3 x 0.75 (Shielded) | 3 x 0.75 (Shielded) | 3 x 0.75 (Shielded) | ||
| Operating Temperature Range | Refrigeration | ºC | -5 to 43 | -5 to 43 | -5 to 43 | -5 to 43 | -5 to 43 | |
| Heating | ºC | -20 to 24 | -20 to 24 | -20 to 24 | -20 to 24 | -20 to 24 | ||
| Simultaneous | ºC | -5 to 24 | -5 to 24 | -5 to 24 | -5 to 24 | -5 to 24 | ||
Notes:
(1) Nominal cooling conditions: indoor 27ºC DB, 19ºC WB and outdoor 35ºC DB, 24ºC WB, for a pipe length of 7.5 m and height difference 0 m.
(2) Nominal heating conditions: indoor 20ºC DB, 15ºC WB and outdoor 7ºC DB, 6ºC WB, for a pipe length of 7.5 m and height difference 0 m.
(3) Sound level measured in a semi-anechoic chamber at 1m frontal distance and 1.3m height.
(4) Refrigerant distances when the outdoor unit is installed higher than the indoor units. Otherwise, the maximum vertical distance can reach 110m.
(5) Indicated refrigerant pipe diameters are those of the service valves, this does not mean that the pipe to be installed is of that diameter. Oil balance pipe, only necessary when 2 or more modules are connected.
(6) Recommended power wiring for L 20m, for longer distances it must be calculated.
