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LA 11MSR

Reversible air-to-water heat pump

LA 11MSR
LA 11MSR

Air-to-water heat pump for outdoor installation with external temperature controlled heat pump manager WPM 2006 R and reversible refrigerating circuit for heating and cooling. Sound-optimised through the use of low-noise crescent wing axial-flow fans and deflector hoods. Energy-efficient defrosting by reverse circulation und inclined evaporator. Universal design with optional DHW preparation and the option of flexible expansion for:

  • bivalent operation (bivalent-renewable not possible)
  • combined distribution systems for heating and cooling
  • unmixed and mixed heating and cooling circuits
Silent cooling via panel heating/cooling systems requires the use of the room climate control station (special accessory) to regulate the flow temperature on the basis of the air temperature and humidity of a reference room. Electric cable EVL ..R to connect the heat pump and heat pump manager must be ordered separately.

Information on leak tests and refrigerant quantities can be found here.

Technical data

Reversible air-to-water heat pump (Low temperature)
Order reference LA 11MSR
Casing colourwhite aluminium
max. flow temperature58 °C
Lower operating limit heat source (heating operation) / Upper operating limit heat source (heating operation)-20 to 35 °C
Lower operating limit heat source (cooling operation) / Upper operating limit heat source (cooling operation)15 to 40 °C
Standard temperature spread heating EN 145115,0 K
Heat output 1 compressor at A2/W35 / COP A2/W35*8,8 kW / 3,3
Heat output with 1 compressor / COP A7/W35*11,1 kW / 4
Standard temperature spread cooling EN 145115,0 K
Cooling capacity 1 compressor / EER A35/W7*7,5 kW / 2,1
Nominal consumption according to EN 14511 at A2/W352,67 kW
Sound power level device63 dB (A)
Sound pressure level in 10 m33 dB (A)
Refrigerant / Amount of refrigerantR404A / 3,6 kg
Heat source flow min.2500 m³/h
Maximum heating water flow rate / Pressure drop1,9 m³/h / 10900 Pa
Dimensions (W x H x D)**1360 x 1360 x 860 mm
Weight224 kg
Connection voltage1/N/PE ~230 V, 50 Hz
Starting current with soft starter38 A
Fuse protectionC 25 A
Type of defrostingReverse circulation
Connection heating1 inch

*Heat output and COP according to EN 14511 at A2/W35 (A2 = air intake temperature +2 °C, W35 = heating water outlet temperature +35 °C)

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

Product data sheet with system accessories: Data sheet as PDF Data sheet by e-mail

Operating limits diagram: Operating limits diagram as PDF

Declaration of conformity: Declaration of conformity as PDF

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