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SI 35TUR

Reversible brine-to-water heat pump for indoor installation.

Heat pump for heating and cooling with integrated regulation installed indoors. Variable connection options for brine and heating connections on the back board of the casing. A sound-optimised metal casing and the integrated solid-borne sound insulation with free-swinging compressor base plate make direct connection with the heating system possible. High coefficients of performance (COP) through electronic expansion valve and electronic pump control depending on the temperature spread in the brine and generator circuit. Optimised heating and cooling operation via an internal hydraulic four-way reversing valve which is activated by the controller. Sensor monitoring of the refrigeration circuit for a high degree of operational safety and integrated thermal energy metering (display of the calculated quantity of thermal energy for heating, domestic hot water and swimming pool water preparation). FWO function for more efficient domestic hot water preparation with increased domestic hot water temperatures and volumes of water to be drawn through optimised tank charging.
Universal design with two compressors for output regulation when operating at partial load, optional domestic hot water preparation and flexible expansion options for:

  • Bivalent or bivalent-renewable operating mode
  • Distribution systems with unmixed and mixed heating circuits
  • Use of load-variable tariffs (SG Ready)
Soft starter, flow and return sensors for the brine and heating circuit integrated. Dirt trap for brine circuit, external sensor (standard NTC-2), circulating pumps for brine and heat generator circuit in the scope of supply (observe the free compression). Brine circulating pump 12 m delivery height at 6 m3/h, flange connection DN 40, installation length 250 mm; heat generator circuit pump 12 m delivery height at 5 m3/h (thread connection R 1 1/4", (pump thread 2"), inside micrometer 180 mm! Brine package SZB must be ordered separately.

Technical data

Reversible brine-to-water heat pump for indoor installation.
Order reference SI 35TUR
Heat pump code6008
Casing colourRAL 9003
Max. flow temperature62 °C
Flow temperature cooling max.20 °C
Lower operating limit heat source (heating operation) / Upper operating limit heat source (heating operation)-5 to 25 °C
Lower operating limit heat source (cooling operation) / Upper operating limit heat source (cooling operation)10 to 30 °C
Standard temperature spread heating EN 145115 K
Heat output B0/W35 / COP B0/W35*18,4 kW / 5,1
Heat output max. B0/W35 / COP B0/W3533,7 kW / 4,6
Heat output B0/W55 / COP B0/W5515,3 kW / 3,0
Heat output max. B0/W55 / COP B0/W5530,3 kW / 2,9
Standard temperature spread cooling EN 145115 K
Cooling capacity 1 compressor / EER B20/W717,3 kW / 6,1
Cooling capacity B20/W9 / EER B20/W9 (2 compressors)40,1 kW / 6,0
Cooling capacity B20/W18 / EER B20/W1822,9 kW / 7,8
Cooling capacity 2 compressor / EER B20/W18 (2 compressors)50,6 kW / 6,9
Nominal power consumption according to EN 14511 at B0/W357,4 kW
Sound power level58 dB (A)
Refrigerant / Amount of refrigerantR410A / 8,0 kg
Heat source flow (min.)6,7 m³/h
Max. heating water flow rate / Pressure drop5,9 m³/h / 11000 Pa
Dimensions (W x H x D)**1000 x 885 x 810 mm
Weight305 kg
Rated voltage3/PE ~400 V, 50 Hz
Starting current35 A
Fuse protection***C 25 A
Connection heating1 ½ inch
Heat source connection1 ½ inch

**Please note that additional space is required for pipe connections, operation and maintenance.

***Die Absicherung ist als allpolige Trennvorrichtung auszuführen (gemeinsame Abschaltung aller Phasen)!

Documents and downloads

Data sheetProduct data sheet with system accessories» via e-mail
Instruction for useInstruction for use» via e-mail
Electrical documentation heat pumpElectrical documentation heat pump» via e-mail
Operating instructions for users for the heat pump managerOperating instructions for users for the heat pump manager» via e-mail
Operating instructions for installers for the heat pump managerOperating instructions for installers for the heat pump manager» via e-mail
Product informationProduct information» via e-mail
Equipment dataEquipment data» via e-mail
Declaration of conformityDeclaration of conformity» via e-mail
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