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OSO Maxi Standard - 17RE

  - Large capacity with electric heating

The Maxi Standard units are manufactured from stainless steel up to 1,000 liters or copper lined steel when up to 5,000 liters. The Maxi Standard utilizes solely electric immersion heaters for heating hot water in commercial applications. All units manufactured to the international standard ISO/DIS 2694 (BS 5500). Maxi Standard units can also be manufactured to individual specification.

The Maxi Standard comes fitted with 15kW electric immersion heaters. The cold water inlet set and mixing valve are delivered separately, with dimensions depending on the required flow rate. The installation kits are fitted directly on the cylinders’ front, along with the safety valve. Units are fully insulated within a protective steel casing.

 

Key advantages:

  • Stainless steel pressure vessel for working pressures up to 10 bar
  • Cold water inlet set and mixing valve easily fitted directly in front
  • 15 kW electric immersion heater as standard
Maxi - 17R
Technical Specifications
Quick Facts
Choose volume

Maxi Standard is available in 4 volumes. For dimensioning of these units, we recommend that you contact OSO sales office, to ensure correct choice of unit. The table below provides a quick view of technical data. We are at your service should you wish to enquire for these units.

 

 

 
Prod. nr. Product description Capacity Hot water - 40°C Hot Water / hour - 40°C Heat-up Time - 15 - 75°C: Heat loss - 24 hours Dia x H mm. Weight - kg
On request Maxi Standard 17RE 300 - 15 kW/3x230V Dimensioning 580 l. 245 l./hr. 1,4 hrs. 3,2 kWh ø580x1600 59
On request Maxi Standard 17RE 400 - 15 kW/3x230V Dimensioning 760 l. 245 l./hr. 1,9 hrs. 4,3 kWh ø580x2085 79
On request Maxi Standard 17RE 600 - 15 kW/3x230V Dimensioning 1100 l. 245 l./hr. 2,7 hrs. 6,5 kWh ø780x1900 133
On request Maxi Standard 17RE 1000 - 15 kW/3x230V Dimensioning 1800 l. 245 l./hr. 4,5 hrs. 8,9 kWh ø1000x2100 238
Technical Data Sheet
  - click to expand   - click to collapse
 
Indirect Unit Type Type Type Type
Product Maxi Standard 17RE 300 17RE 400 17RE 600 17RE 1000
Product No. OSO no. On Request On Request On Request On Request
Product Capacity Persons Dimensioning Dimensioning Dimensioning Dimensioning
Product Segment   Commercial Commercial Commercial Commercial
Product
Weight - Net kg 59 79 133 238
Height - Max mm. 1600 2085 1900 2100
Diameter mm. 580 580 780 1000
Volume - Actual ltr. 287 380 550 900
Usable hot water draw off at 40°C (ltr) ltr. 580 760 1100 1800
Hot Water / hour at 40°C (ltr) ltr. 245 245 245 245
Heat Up Time - 15°C - max Temp. hours 1,4 1,9 2,7 4,5
Standing Heat Loss - 24 hours kWh/24 hours 3,2 4,3 6,5 8,9
Dimensions - Cardboard Box LxWxH mm. 595x625x1620 595x625x2250 820x930x2040 1040x1140x2240
Volume - Cardboard Box 0,64 0,79 1,57 2,71
Materials
Inner Cylinder Stainless Steel Ferritic Ferritic Ferritic Ferritic
Coil(s) Stainless Steel - - - -
Electric Element(s) Stainless Steel Incoloy 825 Incoloy 825 Incoloy 825 Incoloy 825
Electric Box and Lid(s) Plastic V0 Plastic V0 Plastic V0 Plastic V0 Plastic
Insulation PUR Mineral Wool Mineralull Mineralull Mineralull
Outer Casing Steel Epoxy Coated Epoxy Coated Epoxy Coated Epoxy Coated
Energy Source
Type - Primary   Electric Electric Electric Electric
Type - Secondary   - - - -
Temperature - Primary / Lower   High Temp. High Temp. High Temp. High Temp.
Temperature - Secondary / Upper   - - - -
Heating Coil(s)
Surface area - Primary / Lower - - - -
Surface area - Secondary / Upper - - - -
Recommended Flow Rate ltr./min. - - - -
Heat Source Buffer Volume ltr. - - - -
Electric
Immersion Heater Booster - Capacity kW 15 (3x5) 15 (3x5) 15 (3x5) 15 (3x5)
Immersion Heater Backup - Capacity kW - - - -
Immersion Heater - Phase Phase 3 3 3 3
Immersion Heater - Voltage Volt 230 230 230 230
Thermostat Type   Surface Surface Surface Surface
Upper Working Thermostat - Temp. Range °C - - - -
Upper Working Thermostat - Set Temp. °C - - - -
Lower Working Thermostat - Temp. Range °C 60-90 60-90 60-90 60-90
Lower Working Thermostat - Set Temp. °C 75 75 75 75
Electrical Installation   Regulations Regulations Regulations Regulations
IP Classification   IP 21 IP 21 IP 21 IP 21
Connections
Cold Feed / Hot Water Draw Off Location Side Side Side Side
Cold Feed / Hot Water Draw Off " (inches) 2 x 5/4 - Female 2 x 5/4 - Female 2 x 1 1/2 - Female 2 x 1 1/2 - Female
Drain Connection " (inches) 3/4 - Female 3/4 - Female 3/4 - Female 3/4 - Female
Safety Valve (Overflow Connection) " (inches) - - - -
T&P Valve Connection " (inches) - - - -
Secondary Return / Hot Water w/o mixing " (inches) 2 x 3/4 - Female 2 x 3/4 - Female 2 x 3/4 - Female 2 x 3/4 - Female.
Immersion Heater(s) " (inches) 5/4 5/4 5/4 5/4
Primary Coil Flow / Return " (inches) - - - -
Secondary Coil Flow / Return " (inches) - - - -
Sensor Connection " (inches) 3/4 - Female 3/4 - Female 3/4 - Female 3/4 - Female
Safety
Safety Valve - Opening Pressure +/- 5 % Bar - - - -
T&P Valve - Opening Pressure/Temp. Bar/°C 10/95 10/95 10/95 10/95
Safety Thermostat - Cut-out Temp. °C 98 98 98 98
Inner Cylinder - Design Pressure /Temp. Bar/°C 10/99 10/99 10/99 10/99
Coil(s) - Design Pressure Bar - - - -
Certifications / Approvals
Product Certifications Certificates CE / NEMKO
Manufacturing Plant Approvals Standards ISO 9001:2008 / ISO 14001:2008 / OHSAS 18001
Environment
Environmental Declaration  
Warranty - Water Quality EN 98/83EC
Water - Chloride Content Max - Cl ppm 250 250 250 250
Water - Sulphate Content Max - So4 ppm 250 250 250 250
Water - Chloride/Sulphate Content Max ppm 250 250 250 250
Warranty Period - Inner Cylinder / Parts Years 10 / 2 10 / 2 10 / 2 10 / 2