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)
  • 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
SpecificationsUNITMX 400 – 15 + 15 kW / 3 × 230 VMX 600 – 15 + 15 kW / 3 × 230 VMX 1000 – 15 + 15 kW / 3 × 230 V
Identification
Product no.OSO800165280016528001654
Product nameMX 400 - 15 + 15 kW / 3 × 230 VMX 600 - 15 + 15 kW / 3 × 230 VMX 1000 - 15 + 15 kW / 3 × 230 V
Dimensions
Diameter — ⌀mm5957801000
Height - Hmm217520002100
Weightkg85139244
Weight emptykg85139244
Technical/ErP information
Capacity 40CLN / AN / AN / A
VolumeL367580885
Thermostat set pointC707065
Heat loss-EN 12897watt103120142
Heat loss / 24 hrs - EN 12897kWh/day2,472,88
AEC (energy consumption)kW/yearN/AN/AN/A
Energy efficiency%N/AN/AN/A
Tapping profile3XS–XXLN/AN/AN/A
Energy ratingA+–FCCC
Primary Heating PowerkWN / AN / AN / A
Primary coil sizeMinsN / AN / AN / A
Immersion Heating Power6 x 56 x 56 x 5
Heat-up time ΔT 55°C CoilMinsN/AN/AN/A
Heat-up time ΔT 55°C upper elementMinsN/AN/AN/A
Heat-up time ΔT 55°C lower elementMin
Recovery time ΔT 55°C coil 70%MinsN/AN/AN/A
Recovery time ΔT 55°C upper element 70MinsN/AN/AN/A
Recovery time ΔT 55°C lower element 70%Mins304772

Documents

OSO Hotwater product brochure UK

Manual Maxi Xpress – MX 400 litres

Manual Maxi Xpress – MX 600-1000 litres

Questions? Call us +44 01914820800
Assembly and spare parts
OSO HOTWATER LOGO
OSO Hotwater (UK) Ltd
Endeavor House, Seventh Avenue,
Team Valley Trading Estate, Gateshead, NE11 0EF

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