TERRA 27 HPLA
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TERRA 27 HPLA • BRINE/WATER HEAT PUMP (MONOVALENT HEATING SYSTEM) • M2/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) HEAT SOURCE SYSTEM Evaporator type (WQA) Evaporator material (WQA) Temperature differential (WQA) Flow rate (WQA) Residual head (WQA) Flow meter Heat transfer medium Circulation pump (WQA) Max. heat transfer medium op. pressure Limits of use, heating min. Limits of use, heating max. 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. REFRIGERANT CIRCUIT Refrigerant R410A Refrigerant charge (ex works) kg 4.5 Max. refrigerant operating pressure bar 45 Compressor type Scroll 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 Male thread 250 White/anthracite 52 44 Plate heat exchanger Stainless steel 1.4401 K 3 internal Brine max. 30% internal bar 3 Plate heat exchanger Stainless steel 1.4401 K 5 internal internal Water bar 3 ELECTRICAL DATA Frequency Power factor Voltage fluctuations/flicker Harmonics Max. network impedance (Zmax) Main power circuit Rated voltage range Rated current Max. starting current Fuse protection Control circuit Rated voltage range Rated current Fuse protection A 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.

GUIDE VALUE FOR EXTRACTION CAPACITY WITH SHALLOW LAYING (VDI 4640) Soil conditions Max. spec. extraction ca- Max. spec. extraction ca pacity at 1800 h/a [W/m2] pacity at 2400 h/a [W/m2] Dry, non-cohesive soil 10 8 Cohesive soil, moist 25 20 Water-saturated soil, sand/ 40 32 GUIDE VALUE FOR EXTRACTION CAPACITY WITH DEEP TRENCH LAYING (VDI 4640) Soil conditions Max. spec. extraction capacity at 1800 h/a [W/m] deep trench Cohesive soil, moist 100 Water-saturated soil, sand/gravel 125 GUIDE VALUE FOR EXTRACTION CAPACITY WITH DEEP DRILLING (VDI 4640) Soil conditions Max. spec. extraction ca-...