OCHSNER HEAT PUMPS | WATER WATER/WATER HEAT PUMP MONOVALENT HEATING SYSTEM HEATING AND DHW OTE HEAT PUMP CONTROLLER M4 SERIES APPLIANCE DATA ELECTRICAL DATA Order number Suitable for a building heat load (from - to) Flow temperature max. Rated voltage range Dimensions (HxWxD) Hydraulic connection (size) Hydraulic connection (connection type) Standard colour Power factor Control circuit Rated voltage range Sound power level (EN 12102) Rated current Sound pressure level (at 1 m distance) HEAT SOURCE SYSTEM Evaporator material Heat transfer medium flow rate Internal pressure differential Flow meter Heat transfer medium Heat transfer medium operating pressure max. Limits of use, heating (min./max.) Plate heat exchanger Stainless steel 1.4301 Condenser type Condenser material Heat transfer medium flow rate Internal pressure differential (M4-1) Flow meter Heat sink system circulation pump internal internal Heat transfer medium Heat transfer medium operating pressure max. Limits of use, heating (min./max.) Power consumption, total Power consumption, total Power consumption, total HEAT SINK SYSTEM Temperature differential PERFORMANCE FIGURES Shell and tube heat exchanger Pipes 1.4404/outer casing 1.4307 Evaporator type Temperature differential Rated current Indoor unit Weight (excl. packaging) Heat pump ENERGY EFFICIENCY (AVERAGE CLIMATE ZONE) At max. flow temperature (heating) P rated Efficiency ETAs SCOP Energy efficiency class (D to A+++) As standard Para 25/8 Water REFRIGERANT CIRCUIT Refrigerant Refrigerant charge Refrigerant operating pressure max. Compressor type Note: For supporting documents with engineering and installation information: please go to the download area of the OCHSNER website https://www.ochsner.com/de-de/servi

Carbon dioxide (free mg/l aggressive) Oxygen Iron with manganese 1) Manganese 1) Sulphide Chlorine (free) Shell and tube heat exchanger Stainless Stainless steel steel soldered + + 0 0 + + 0 0 + + + + - 2) 0 + + + – 0 – + + + + 0 – + + + + + 0 + + + – + – + 2) + – + – – - 2) 0 + + + + The material has generally good resistance We advise against use Corrosion may occur if several factors are rated 0 1 Heat source flow 2 Heat source return 3 Heating water flow 4 Heating water/DHW return 5 DHW flow 6 Safety valve drain (heat sink side) 7 Safety valve drain (heat source side) 8 Carrying handles (removable)...