Wagner & Co RATIOfresh 250 Technical Information Installation Instructions page 5

Housing cover
Figure 3 Cross-section of RATIOfresh freshwater station with dimensions and drill hole pattern (page 4)
1 Adaptive microprocessor control to regulate hot water and circulation, display 2 x 16 characters, plastic foil keypad with 3 keys and 4 LED, 2 power
outputs, 3 temperature sensors and 2 immersion sleeves made from chrome-plated brass; 2 Plate heat exchanger made from stainless steel, cop-
per-soldered, flat-sealing connection T 1" (OT) – quickly disassembled for maintenance, specially embossed plate structure to avoid lime deposits;
3 Circulation pump in primary return, especially energy-saving design, easy to service due to flat-sealing integration;
4 Primary flow connection T 1" (OT, flat-sealing) made from brass, with shut-off valve; 5 Primary return connection T 1" (OT, flat-sealing) made from
brass, with pump shut-off slider incl. backflow preventer; 6 Cold water supply connection T 1" (OT, flat-sealing) made from brass; 7 Hot water outlet
connection T 1" (OT, flat-sealing) made from brass; 8 Circulation return connection option T ½" (IT) closed with plug; 9 Single-jet meter – brass,
chrome-plated, connections ¾" (OT, flat-sealing), QN 2.5 m³/h; 10 Bottom section of housing made from powder-coated sheet steel with keyhole
drills for wall mounting; 11 Housing cover made from powder-coated sheet steel, removable; 12 EPP shell insulation (expanded polystyrene) for
plate heat exchanger; 13 Temperature sensor hot water; 14 Temperature sensor circulation return; 15 Temperature sensor storage cylinder; 16
Power switch to select pump output level; 17 Backflow preventer (in ball valve); 18 Temperature sensor primary; 19 Mains plug.
EN-RATIOfresh-250-400_TI-MA-0809-11214900
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