Technical data

Device Information for Air-to-Water Heat Pumps with Simplified Regulation 4.2
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Device information for air-to-water heat pumps for heating purposes
1 Type and order code
LAK 10M
2Design
2.1 Design Reversible
2.2 Degree of protection according to EN 60 529
for compact devices and heating components
IP24
2.3 Installation location Outdoors
3 Performance data
3.1 Operating temperature limits:
Heating water flow/return flow
1
°C / °C
1. For outside air between –20 °C to 0 °C, flow temperature increasing from 49 °C to 58 °C.
up to 58 +/- 2 / from 18
Cooling, flow
2
°C
2. See output curves
+7 to +20
Air (heating) °C -20 to +35
Air (cooling)
2
°C
+17 to +40
Heating water temperature spread according to EN 14511
at A7 / W35 K
5
3.2 Heat output / COP at A7 / W35
3
kW / ---
3. This data indicates the size and capacity of the system according to EN14511. For an analysis of the economic and energy efficiency of the system, other parameters, in particular
the defrosting capacity, the bivalence point and regulation, should also be taken into consideration. The specified values have the following meaning, e.g. A7 / W35: External air
temperature 7 °C and heating water flow temperature 35 °C.
9,3 / 3,8
at A7 / W45
2
kW / ---
9,0 / 3,0
3.3 Cooling capacity / COP at A35 / W18 kW / --- 10,0 / 2,8
at A35 / W7 kW / --- 7,8 / 2,2
3.4 Sound power level dB(A) 71
3.5 Sound pressure level at a distance of 10 m (air outlet side) dB(A) 46
3.6 recommended heating water flow rate /
minimum heating water flow m³/h
1,6 / 4500 0,8 / 1100
3.7 Free compression of heat circulating pump (max. level) Pa 33800
3.8 Refrigerant; total filling weight type / kg R407C / 2.4
3.9 Output of heating element adjustable
(2nd heat generator factory setting 2 kW) kW
2.4 max. 6
4 Dimensions, connections and weight
4.1 Device dimensions H x W x L cm 86 x 127 x 67
4.2 Device connections to heating system Inch Thread 1'' external
4.3 Weight of the transportable unit(s) incl. Packing kg 170
5 Electrical Connection
5.1 Nominal voltage; fuse protection V / A 230 / 25
5.2 Heat element fuse (230 V devices only) A
30
4
4. The electrical connection for the heating element requires its own mains cable with separate fuse.
5.3 Nominal power consumption
2
A2 W35 kW
2,4
5.4 Starting current with soft starter A 38
5.5 Nominal current A2 W35 / cosϕ A / --- 13,6
6 Complies with the European safety regulations
5
5. See CE declaration of conformity
7 Additional model features
7.1 Defrosting Automatic
Type of defrosting Reverse circulation
Defrosting tray included Yes (heated)
7.2 Heating water in device protected against freezing
Yes
6
6. The heat circulating pump and the heat pump controller must always be ready for operation.
7.3 Performance levels 1