AQUA 14 HSTA
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AQUA 14 HSTA • WATER/WATER HEAT PUMP (MONOVALENT HEATING SYSTEM) • M4 INDOOR UNIT • HEATING • OTE CONTROLLER APPLIANCE DATA_ Order no. Suitable building heat load kW Indoor unit Dimensions (HxWxD) mm Hydraulic assembly connection (dimension) inch Hydraulic assembly connection (connection type)_ Weight (excl. packaging) kg Standard colour Sound power level (EN 12102) dB(A) Sound pressure level (at 1 m) dB(A) Male thread Electric auxiliary heater Rated voltage range V ~380-400 3/N/PE Rated current, stage 1 A 15.0 Rated current, stage 2 A 15.0 Rated current, stage 3 A 15.0 Rated power consumption, stage 1 kW 2.6 Rated power consumption, stage 2 kW 3.0 Rated power consumption, stage 3 kW 3.2 HEAT SOURCE SYSTEM REFRIGERANT CIRCUIT_ Refrigerant charge (ex works) kg 2.95 Max. refrigerant operating pressure bar 45 Compressor type Scroll Temperature differential (WQA) Flow rate (WQA) Internal pressure differential (WQA) Flow meter Heat transfer medium Max. heat transfer medium op. pressure Limits of use, heating min. Limits of use, heating max. Shell and tube heat exchanger Pipes 1.4404 / outer casing 1.4307 K 4 HEAT SINK SYSTEM_ Condenser type (WNA) Condenser material (WNA) Temperature differential (WNA) Flow rate (WNA) Residual head (WNA) Flow meter Circulation pump Heat transfer medium Max. heat transfer medium op. pressure Min. limits of use, heating / max. Plate heat exchanger Stainless steel 1.4301 K 5 internal internal Water bar 3 PERFORMANCE FIGURES_ ENERGY EFFICIENCY (AVERAGE CLIMATE ZONE) at max. flow temperature (heating) Energy efficiency class (D to A+++) P rated Efficiency ETAs SCOP at min. flow temperature (cooling) SEER ELECTRICAL DATA Frequency Power factor Main power circuit Rated voltage range Rated current Max. starting current Fuse protection Control circuit Rated voltage range Rated current Fuse protection Notes: • Additional technical information and documents are available from the Download area at www.ochsner.com • The applicable regional and national laws, standards and regulations must be observed.

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) 9 Cable entries 10 Plastic glides (height-adjustable, 4 pce) RECOMMENDED ACCESSORIES Type_ Heat pump buffer tank DHW tank External plate heat exchanger Filter for the heat source Submersible pump HEATING OUTPUT Limits of use of the heat exchanger Carbon dioxide (free aggressive) Iron with manganese Manganese Sulphide_ Chlorine (free) Plate heat exchanger Copper Stainless steel...