MAXI XPRESS – MX
The MAXI series is the class-leading commercial range of hot water calorifiers, built to the high standards of design and efficiency that is synonymous with OSO Hotwater products. The MAXI range has been manufactured with EVERLAST™ high-alloy stainless steel in combination with ULTRAWELD™ technology for optimal corrosion resistance. Not only is the MAXI range extremely efficient, with industry-leading performance, it can also be modified according to customer requirements.
MAXI XPRESS — MX boasts twice the available immersion heater capacity as the standard, is heated either with the integrated electric INCOTEC immersion heaters, or via an external energy source and the TURBOSYSTEM with plate heat exchanger (optional capacity) and double sets of pumps for extra operational safety. The electric immersion heaters has optional effect 5–30 kW, 230–400 V + N 3-phase, and is thermostat controlled 60–90 °C in three steps with separate safety thermostats. Contactors are not required and the support cable is connected directly to the central.
G3 Kits and expansion vessel as standard
Other sizes and specifications are available to order.
WHY MAXI XPRESS?
• Extreme operational durability with el. heaters w/o contactors
• 10 bar design pressure and class-leading corrosion resistance
Advantages
NANOPUR – Class-leading insulation (300/400 L)
ISOFLEX+VIP – Class-leading insulation (600/1000 L)
ULTRAWELD – Superior corrosion resistance
INCOTEC – High durability in hard water
MAXTEMP – Solar / hot water connection
SOLAR-READY – Separate solar connection
Components
Mixing valve – See separate commercial add-ons
Thermostats – Adjustable 60-90°C – Preset 75°C
Safety valve – TP 9 bar/99°C – 3/4” to drain
Flow/ret. conn. – 2 x 1-½” female BSP threads
Other connections – 4 x ¾” female BSP threads
 |  | |||
| Specifications | Unit | MX 400 15+15 kW/3x230V | MX 600 15+15 kW/3x230V | MX 1000 15+15 kW/3x230V |
|---|---|---|---|---|
| Identification | ||||
| Product no. | OSO | 8001652 | 8001652 | 8001654 |
| Product series. | MAXI XPRESS | MAXI XPRESS | MAXI XPRESS | |
| Product name | MX 400 15+15 kW/3x230V | MX 600 15+15 kW/3x230V | MX 1000 15+15 kW/3x230V | |
| Usage | Hot Water | Hot Water | Hot Water | |
| Placement | Floor | Floor | Floor | |
| Dimensions | ||||
| Diameter — ⌀ | mm | 595 | 780 | 1000 |
| Height - H | mm | 2225 | 1910 | 2115 |
| Weight | kg | 85 | 139 | 244 |
| Packaging | mm | xx | xx | xx |
| Freight Volume | dm |
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| Technical / ErP information | ||||
| Capacity | Persons | |||
| Capacity 40C | L | |||
| Volume | L | 400 | 600 | 885 |
| Thermostat set point | C | 60 | 60 | 65 |
| Heat loss - EN 12897 | Watt | 103 | 120 | 142 |
| Heat loss / 24 hrs - EN 12897 | kWh/day | 2.47 | 2.88 | |
| AEC (energy consumption) | kW/year | |||
| Energy efficiency | % | |||
| Tapping profile | 3XS–XXL | |||
| Energy rating | A+–F | C | C | C |
| Primary Heating Power | kW | |||
| Heat-up time ΔT 55°C Coil | Mins | |||
| Heat-up time ΔT 55°C upper element | Mins | |||
| Heat-up time ΔT 55°C lower element | Mins | |||
| Recovery time ΔT 55°C coil 70% | Mins | |||
| Recovery time ΔT 55°C upper element 70% | Mins | |||
| Recovery time ΔT 55°C lower element 70% | Mins | |||