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MHA-M/K 181÷522
Aircooled condensing units and reversible condensing units with axial fans and Scroll compressors
The condensing units and reversible condensing units of the MHA-M/K 181÷522 series, with R410A refrigerant, are designed for medium and large-sized domestic or industrial systems.
These outdoor units are combined with evaporators in split system air conditioning installations, allowing the rooms to be cooled and dehumidified or to be heated. They can also be used in combination with hydronic evaporating units in both air conditioning and industrial process cooling applications
They are equipped with Scroll compressors and axial fans, and they enable immediate and efficient use thanks to particular technical and design adjustments.
A wide range of accessories, factory fitted or supplied separately, complete the outstanding versatility and functionality of the series.
Versions
- MHA-M/K - Cooling only
- MHA-M/K/WP - Reversible Heat Pump
Power range
- 57.0-167 kW
- 16.0-48.0 Ton
Features
- Structure with supporting frame, made of galvanised sheet metal with additional protection provided by polyester powder coating.
- Scroll compressors with oil sight glass, internal overheat protection and crankcase heater.
- Axial fans directly coupled to an electric motor with external rotor.
- Condenser made of copper tubes and aluminium finned coil.
- R410A refrigerant.
- Electrical board includes: main switch with door safety interlock, protection modules, overload protection for compressors and thermocontacts for fans.
- Microprocessor control and regulation system.
Accessories
Factory fitted accessories
- SL Unit silencement
- CT Condensing control down to 0 °C
- TX Coil with pre-coated fins
- RL Liquid receiver
- VS Solenoid valve
- BP Hot gas by-pass valve
- FF Dryer filter and sight glass
- IS Modbus RTU protocol, RS485 serial interface
- CP Potential free contacts
Loose accessories
- MN High and low pressure gauges
- CR Remote control panel
- RP Coils protection metallic guards
- AG Rubber shock absorbers
Technical data
| 181 | 241 | 301 | 392 | 522 | |||
| Cooling | Cooling capacity (1) | kW | 57,0 | 69,5 | 93,7 | 132 | 167 |
| Absorbed power (1) | kW | 19,4 | 23,4 | 30,6 | 46,5 | 63,7 | |
| Heating | Heating capacity (2) | kW | 61,5 | 77,1 | 101 | 143 | 181 |
| Absorbed power (2) | kW | 16,4 | 20,1 | 25,9 | 38,6 | 47,7 | |
| Compressor | Quantity | n° | 1 | 1 | 1 | 2 | 2 |
| Refrigerant circuits | n° | 1 | 1 | 1 | 1 | 1 | |
| Capacity steps | n° | 1 | 1 | 1 | 2 | 2 | |
| Connections | Suction line | Ø mm | 1 x 35 | 1 x 42 | 1 x 42 | 1 x 54 | 1 x 54 |
| Liquid line | Ø mm | 1 x 22 | 1 x 22 | 1 x 22 | 1 x 28 | 1 x 28 | |
| Electrical characteristics | Power supply | V/Ph/Hz | 400/3/50 | 400/3/50 | 400/3/50 | 400/3/50 | 400/3/50 |
| Max. running current | A | 43 | 52 | 67 | 103 | 127 | |
| Max. starting current | A | 219 | 264 | 328 | 316 | 387 | |
| Sound pressure | STD version (3) | dB(A) | 59 | 59 | 61 | 63 | 63 |
| With SL accessory (3) | dB(A) | 57 | 57 | 59 | 61 | 61 | |
| Weights | Transport weight | kg | 525 | 555 | 660 | 785 | 895 |
| Operating weight | kg | 535 | 565 | 670 | 805 | 915 | |
Dimensions
| 181 | 241 | 301 | 392 | 522 | |||
| L | STD | mm | 2350 | 2350 | 2350 | 2350 | 2350 |
| W | STD | mm | 1100 | 1100 | 1100 | 1100 | 1100 |
| H | STD | mm | 1920 | 1920 | 1920 | 2220 | 2220 |
Notes
- 1 Evaporating temperature 5 °C, ambient air temperature 35 °C.
- 2 Average condensing temperature 40 °C, ambient air temperature 7 °C d.b./6 °C w.b.
- 3 Sound pressure level measured in free field conditions at 1 m from the unit. According to ISO 3744.
- N.B. (1) Weights of WP version are specified on technical brochure.