Technical data

Device Information for Air-to-Water Heat Pumps with Simplified Regulation 4.1
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4 Device Information for Air-to-Water Heat Pumps with Simplified
Regulation
4.1 Air-to-water heat pump for outdoor installation
Device information for air-to-water heat pumps for heating purposes
1 Type and order code
LAK 10M
2Design
2.1 Design Compact
2.2 Degree of protection according to EN 60 529 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
Air (heat source) °C -20 to +35
3.2 Temperature spread of heating water (flow/return flow) at A7 / W35 K 10,9 5,0
3.3 Heat output / COP at A2 / W35
2
kW / ---
2. This data indicates the size and capacity of the system according to EN 255 or EN 14511. 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.
8,1 / 3,4 8,0 / 3,2
at A7 / W35
2
kW / ---
10,2 / 4,1 9,7 / 3,8
at A7 / W45
2
kW / ---
8,7 / 3,1
at A10 / W35
2
kW / ---
11,5 / 4,5 10,9 / 4,2
at A-7 / W35
2
kW / ---
5,6 / 2,5
3.4 Sound power level dB(A) 72
3.5 Sound pressure level at a distance of 10 m (air outlet side) dB(A) 46
3.6 Heating water flow / internal pressure differential of m³/h / Pa
0,8
3
/ 1100
3. Recommended heating water flow rate
1,65
4
/ 4500
4. Minimum heating water flow rate
3.7 Free compression of heat circulating pump (max. level) Pa 65000 60000
3.8 Refrigerant; total filling weight type / kg R404A / 2.3
3.9 Output of electric heating element (2nd heat generator) kW 2.4 max. 6
4 Dimensions, connections and weight
4.1 Device dimensions H x W x L mm 880 x 1285 x 695
4.2 Device connections to heating system Inch Thread 1'' external
4.3 Weight of the transportable unit(s) incl. Packing kg 185
5 Electrical Connection
5.1 Nominal voltage; fuse protection V / A 230 / 25
5.2 Heating element fuse
5
A
5. The electrical connection for the heating element requires its own mains cable with separate fuse.
30
5.3 Starting current with soft starter A 32
5.4 Nominal power consumption
2
A7 / W35 kW
2,5 2,6
5.5 Nominal current A7 / W35 / cosϕ A / --- 13,6 / 0,8 14,1 / 0,8
6 Complies with the European safety regulations
6
6. 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
7
7. The heat circulating pump and the heat pump controller must always be ready for operation.
7.3 Performance levels 1
7.4 Regulator internal/external Internal