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Subtype

LW 121

Certificate Holder
ait-deutschland GmbH
Industriestr. 3
95359 Kasendorf
Germany
Registration number
041-K001-37 / 1
Certification Body
BRE Global Limited
Subtype title
LW 121
Driving energy
n/a
Heat Pump Type
Outdoor Air/Water
Refrigerant
R407c
Mass of Refrigerant

5,800 kg

Certification Date
08.10.2019
Testing basis
n/a
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  • Number of models 2

Models

LW 121
Configure model
Model name
LW 121
Application
Heating (medium temp)
Units
Indoor
Climate Zone
Colder Climate + Warmer Climate
Reversibility
No
Cooling mode application (optional)
n/a
General Data
Power supply
3x400V 50Hz

Heating

EN 14511-2

Low temperature

Medium temperature

Heat output

12.80 kW

12.60 kW

El input

3.00 kW

4.50 kW

COP

4.20

2.80

EN 14511-4

Shutting off the heat transfer medium flow

passed

Complete power supply failure

passed

Starting and operating test

passed

Average Climate

EN 12102-1

Low temperature

Medium temperature

Sound power level indoor

58 dB(A)

58 dB(A)

EN 14825

Low temperature

Medium temperature

ηs

153 %

122 %

Prated

13.70 kW

12.51 kW

SCOP

3.90

3.13

Tbiv

-4 °C

-4 °C

TOL

-10 °C

-10 °C

Pdh Tj = -7°C

9.22 kW

8.70 kW

COP Tj = -7°C

3.05

2.08

Cdh Tj = -7 °C

1.00

1.00

Pdh Tj = +2°C

11.90 kW

11.52 kW

COP Tj = +2°C

3.94

3.11

Cdh Tj = +2 °C

1.00

1.00

Pdh Tj = +7°C

12.99 kW

12.56 kW

COP Tj = +7°C

4.86

4.14

Cdh Tj = +7 °C

1.00

1.00

Pdh Tj = 12°C

15.09 kW

15.03 kW

COP Tj = 12°C

5.32

5.18

Cdh Tj = +12 °C

1.00

1.00

Pdh Tj = Tbiv

10.13 kW

9.62 kW

COP Tj = Tbiv

3.40

2.39

Pdh Tj = TOL or Pdh Tj = Tdesignh if TOL < Tdesignh

8.36 kW

7.86 kW

COP Tj = TOL or COP Tj = Tdesignh if TOL < Tdesignh

2.78

1.85

WTOL

65 °C

65 °C

Poff

10 W

10 W

PTO

10 W

10 W

PSB

10 W

10 W

PCK

0 W

0 W

Supplementary Heater: Type of energy input

Electricity

Electricity

Supplementary Heater: PSUP

5.34 kW

4.65 kW

Annual energy consumption Qhe

7258 kWh

8264 kWh

Warmer Climate

EN 14825

Low temperature

Medium temperature

ηs

185 %

145 %

Prated

14.24 kW

13.15 kW

SCOP

4.70

3.71

Tbiv

4 °C

4 °C

TOL

2 °C

2 °C

Pdh Tj = +2°C

11.78 kW

11.04 kW

COP Tj = +2°C

3.66

2.42

Cdh Tj = +2 °C

1.00

1.00

Pdh Tj = +7°C

12.83 kW

11.82 kW

COP Tj = +7°C

4.59

3.22

Cdh Tj = +7 °C

1.00

1.00

Pdh Tj = 12°C

15.01 kW

14.75 kW

COP Tj = 12°C

5.21

4.69

Cdh Tj = +12 °C

1.00

1.00

Pdh Tj = Tbiv

12.21 kW

11.27 kW

COP Tj = Tbiv

4.06

2.68

Pdh Tj = TOL or Pdh Tj = Tdesignh if TOL < Tdesignh

11.78 kW

11.04 kW

COP Tj = TOL or COP Tj = Tdesignh if TOL < Tdesignh

3.66

2.42

WTOL

65 °C

65 °C

Poff

10 W

10 W

PTO

10 W

10 W

PSB

10 W

10 W

PCK

0 W

0 W

Supplementary Heater: Type of energy input

Electricity

Electricity

Supplementary Heater: PSUP

2.46 kW

2.11 kW

Annual energy consumption Qhe

4044 kWh

4736 kWh

Colder Climate

EN 14825

Low temperature

Medium temperature

ηs

137 %

112 %

Prated

10.70 kW

10.21 kW

SCOP

3.50

2.87

Tbiv

-12 °C

-12 °C

TOL

-20 °C

-20 °C

Pdh Tj = -7°C

9.31 kW

8.93 kW

COP Tj = -7°C

3.28

2.43

Cdh Tj = -7 °C

1.00

1.00

Pdh Tj = +2°C

11.96 kW

11.71 kW

COP Tj = +2°C

4.10

3.47

Cdh Tj = +2 °C

1.00

1.00

Pdh Tj = +7°C

13.07 kW

12.86 kW

COP Tj = +7°C

4.99

4.59

Cdh Tj = +7 °C

1.00

1.00

Pdh Tj = 12°C

15.06 kW

15.17 kW

COP Tj = 12°C

5.16

5.38

Cdh Tj = +12 °C

1.00

1.00

Pdh Tj = Tbiv

7.88 kW

7.52 kW

COP Tj = Tbiv

2.86

2.02

Pdh Tj = TOL or Pdh Tj = Tdesignh if TOL < Tdesignh

5.60 kW

5.88 kW

COP Tj = TOL or COP Tj = Tdesignh if TOL < Tdesignh

2.06

1.56

WTOL

65 °C

65 °C

Poff

10 W

10 W

PTO

10 W

10 W

PSB

10 W

10 W

PCK

0 W

0 W

Supplementary Heater: Type of energy input

Electricity

Electricity

Supplementary Heater: PSUP

10.70 kW

10.21 kW

Annual energy consumption Qhe

7537 kWh

8774 kWh

Pdh Tj = -15°C (if TOL<-20°C)

7.02

6.69

COP Tj = -15°C (if TOL<-20°C)

2.56

1.78

Cdh Tj = -15 °C

1.00

1.00

LW 121A
Configure model
Model name
LW 121A
Application
Heating (medium temp)
Units
Outdoor
Climate Zone
Colder Climate + Warmer Climate
Reversibility
No
Cooling mode application (optional)
n/a
General Data
Power supply
3x400V 50Hz

Heating

EN 14511-2

Low temperature

Medium temperature

Heat output

12.80 kW

12.60 kW

El input

3.00 kW

4.50 kW

COP

4.20

2.80

EN 14511-4

Shutting off the heat transfer medium flow

passed

Complete power supply failure

passed

Starting and operating test

passed

Average Climate

EN 12102-1

Low temperature

Medium temperature

Sound power level indoor

50 dB(A)

50 dB(A)

Sound power level outdoor

61 dB(A)

61 dB(A)

EN 14825

Low temperature

Medium temperature

ηs

153 %

122 %

Prated

13.70 kW

12.51 kW

SCOP

3.90

3.13

Tbiv

-4 °C

-4 °C

TOL

-10 °C

-10 °C

Pdh Tj = -7°C

9.22 kW

8.70 kW

COP Tj = -7°C

3.05

2.08

Cdh Tj = -7 °C

1.00

1.00

Pdh Tj = +2°C

11.90 kW

11.52 kW

COP Tj = +2°C

3.94

3.11

Cdh Tj = +2 °C

1.00

1.00

Pdh Tj = +7°C

12.99 kW

12.56 kW

COP Tj = +7°C

4.86

4.14

Cdh Tj = +7 °C

1.00

1.00

Pdh Tj = 12°C

15.09 kW

15.03 kW

COP Tj = 12°C

5.32

5.18

Cdh Tj = +12 °C

1.00

1.00

Pdh Tj = Tbiv

10.13 kW

9.62 kW

COP Tj = Tbiv

3.40

2.39

Pdh Tj = TOL or Pdh Tj = Tdesignh if TOL < Tdesignh

8.36 kW

7.86 kW

COP Tj = TOL or COP Tj = Tdesignh if TOL < Tdesignh

2.78

1.85

WTOL

65 °C

65 °C

Poff

10 W

10 W

PTO

10 W

10 W

PSB

10 W

10 W

PCK

0 W

0 W

Supplementary Heater: Type of energy input

Electricity

Electricity

Supplementary Heater: PSUP

5.34 kW

4.65 kW

Annual energy consumption Qhe

7258 kWh

8264 kWh

Warmer Climate

EN 14825

Low temperature

Medium temperature

ηs

185 %

145 %

Prated

14.24 kW

13.15 kW

SCOP

4.70

3.71

Tbiv

4 °C

4 °C

TOL

2 °C

2 °C

Pdh Tj = +2°C

11.78 kW

11.04 kW

COP Tj = +2°C

3.66

2.42

Cdh Tj = +2 °C

1.00

1.00

Pdh Tj = +7°C

12.83 kW

11.82 kW

COP Tj = +7°C

4.59

3.22

Cdh Tj = +7 °C

1.00

1.00

Pdh Tj = 12°C

15.01 kW

14.75 kW

COP Tj = 12°C

5.21

4.69

Cdh Tj = +12 °C

1.00

1.00

Pdh Tj = Tbiv

12.21 kW

11.27 kW

COP Tj = Tbiv

4.06

2.68

Pdh Tj = TOL or Pdh Tj = Tdesignh if TOL < Tdesignh

11.78 kW

11.04 kW

COP Tj = TOL or COP Tj = Tdesignh if TOL < Tdesignh

3.66

2.42

WTOL

65 °C

65 °C

Poff

10 W

10 W

PTO

10 W

10 W

PSB

10 W

10 W

PCK

0 W

0 W

Supplementary Heater: Type of energy input

Electricity

Electricity

Supplementary Heater: PSUP

2.46 kW

2.11 kW

Annual energy consumption Qhe

4044 kWh

4736 kWh

Colder Climate

EN 14825

Low temperature

Medium temperature

ηs

137 %

112 %

Prated

10.70 kW

10.21 kW

SCOP

3.50

2.87

Tbiv

-12 °C

-12 °C

TOL

-20 °C

-20 °C

Pdh Tj = -7°C

9.31 kW

8.93 kW

COP Tj = -7°C

3.28

2.43

Cdh Tj = -7 °C

1.00

1.00

Pdh Tj = +2°C

11.96 kW

11.71 kW

COP Tj = +2°C

4.10

3.47

Cdh Tj = +2 °C

1.00

1.00

Pdh Tj = +7°C

13.07 kW

12.86 kW

COP Tj = +7°C

4.99

4.59

Cdh Tj = +7 °C

1.00

1.00

Pdh Tj = 12°C

15.06 kW

15.17 kW

COP Tj = 12°C

5.16

5.38

Cdh Tj = +12 °C

1.00

1.00

Pdh Tj = Tbiv

7.88 kW

7.52 kW

COP Tj = Tbiv

2.86

2.02

Pdh Tj = TOL or Pdh Tj = Tdesignh if TOL < Tdesignh

5.60 kW

5.88 kW

COP Tj = TOL or COP Tj = Tdesignh if TOL < Tdesignh

2.06

1.56

WTOL

65 °C

65 °C

Poff

10 W

10 W

PTO

10 W

10 W

PSB

10 W

10 W

PCK

0 W

0 W

Supplementary Heater: Type of energy input

Electricity

Electricity

Supplementary Heater: PSUP

10.70 kW

10.21 kW

Annual energy consumption Qhe

7537 kWh

8774 kWh

Pdh Tj = -15°C (if TOL<-20°C)

7.02

6.69

COP Tj = -15°C (if TOL<-20°C)

2.56

1.78

Cdh Tj = -15 °C

1.00

1.00