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Subtype

S735-4

Certificate Holder
Nibe AB
Box 14
S-28521 Markaryd
Sweden
Registration number
012-C700185 / Issue 1
Certification Body
RISE CERT
Subtype title
S735-4
Driving energy
Electricity
Heat Pump Type
Exhaust Air/Water
Refrigerant
R290
Mass of Refrigerant

0,300 kg

Certification Date
21.06.2023
Testing basis
EN 14511:2018, EN 16147:2017, EN 14825:2018, EN 12102:2017.
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  • Number of models 5

Models

S735-4 Cu
Configure model
Model name
S735-4 Cu
Application
Heating + DHW + low temp
Units
Indoor
Climate Zone
n/a
Reversibility
No
Cooling mode application (optional)
n/a
General Data
Power supply
3x400V 50Hz
Off-peak product
No

Heating

EN 14511-2

Low temperature

Medium temperature

Heat output

2.30 kW

2.50 kW

El input

0.58 kW

1.10 kW

COP

4.00

2.30

EN 14511-4

Shutting off the heat transfer medium flow

passed

Complete power supply failure

passed

Defrost test

passed

Starting and operating test

passed

Average Climate

EN 12102-1

Low temperature

Medium temperature

Sound power level indoor

42 dB(A)

42 dB(A)

EN 14825

Low temperature

Medium temperature

ηs

187 %

143 %

Prated

3.50 kW

3.50 kW

SCOP

4.75

3.65

Tbiv

-7 °C

-10 °C

TOL

-10 °C

-10 °C

Pdh Tj = -7°C

3.13 kW

3.06 kW

COP Tj = -7°C

3.09

2.56

Cdh Tj = -7 °C

0.980

0.990

Pdh Tj = +2°C

1.89 kW

1.86 kW

COP Tj = +2°C

5.20

3.78

Cdh Tj = +2 °C

0.950

0.970

Pdh Tj = +7°C

1.24 kW

1.21 kW

COP Tj = +7°C

6.38

4.70

Cdh Tj = +7 °C

0.910

0.940

Pdh Tj = 12°C

1.19 kW

1.14 kW

COP Tj = 12°C

6.87

5.58

Cdh Tj = +12 °C

0.900

0.920

Pdh Tj = Tbiv

3.13 kW

3.51 kW

COP Tj = Tbiv

3.09

2.23

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

3.05 kW

3.51 kW

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

3.02

2.23

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

1.000

1.000

WTOL

65 °C

65 °C

Poff

8 W

8 W

PTO

17 W

16 W

PSB

18 W

18 W

PCK

14 W

14 W

Supplementary Heater: Type of energy input

Electricity

Electricity

Supplementary Heater: PSUP

0.45 kW

0.00 kW

Annual energy consumption Qhe

1523 kWh

1982 kWh

Domestic Hot Water (DHW)

Average Climate

EN 16147

Declared load profile

XL

Efficiency ηDHW

117 %

COP

2.80

Heating up time

4:15 h:min

Standby power input

56.3 W

Reference hot water temperature

52.0 °C

Mixed water at 40°C

230 l

S735-4 E
Configure model
Model name
S735-4 E
Application
Heating + DHW + low temp
Units
Indoor
Climate Zone
n/a
Reversibility
No
Cooling mode application (optional)
n/a
General Data
Power supply
3x400V 50Hz
Off-peak product
No

Heating

EN 14511-2

Low temperature

Medium temperature

Heat output

2.30 kW

2.50 kW

El input

0.58 kW

1.10 kW

COP

4.00

2.30

EN 14511-4

Shutting off the heat transfer medium flow

passed

Complete power supply failure

passed

Defrost test

passed

Starting and operating test

passed

Average Climate

EN 12102-1

Low temperature

Medium temperature

Sound power level indoor

42 dB(A)

42 dB(A)

EN 14825

Low temperature

Medium temperature

ηs

187 %

143 %

Prated

3.50 kW

3.50 kW

SCOP

4.75

3.65

Tbiv

-7 °C

-10 °C

TOL

-10 °C

-10 °C

Pdh Tj = -7°C

3.13 kW

3.06 kW

COP Tj = -7°C

3.09

2.56

Cdh Tj = -7 °C

0.980

0.990

Pdh Tj = +2°C

1.89 kW

1.86 kW

COP Tj = +2°C

5.20

3.78

Cdh Tj = +2 °C

0.950

0.970

Pdh Tj = +7°C

1.24 kW

1.21 kW

COP Tj = +7°C

6.38

4.70

Cdh Tj = +7 °C

0.910

0.940

Pdh Tj = 12°C

1.19 kW

1.14 kW

COP Tj = 12°C

6.87

5.58

Cdh Tj = +12 °C

0.900

0.920

Pdh Tj = Tbiv

3.13 kW

3.51 kW

COP Tj = Tbiv

3.09

2.23

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

3.05 kW

3.51 kW

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

3.02

2.23

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

1.000

1.000

WTOL

65 °C

65 °C

Poff

8 W

8 W

PTO

17 W

16 W

PSB

18 W

18 W

PCK

14 W

14 W

Supplementary Heater: Type of energy input

Electricity

Electricity

Supplementary Heater: PSUP

0.45 kW

0.00 kW

Annual energy consumption Qhe

1523 kWh

1982 kWh

Domestic Hot Water (DHW)

Average Climate

EN 16147

Declared load profile

XL

Efficiency ηDHW

117 %

COP

2.80

Heating up time

4:15 h:min

Standby power input

56.3 W

Reference hot water temperature

52.0 °C

Mixed water at 40°C

230 l

S735-4 R
Configure model
Model name
S735-4 R
Application
Heating + DHW + low temp
Units
Indoor
Climate Zone
n/a
Reversibility
No
Cooling mode application (optional)
n/a
General Data
Power supply
3x400V 50Hz
Off-peak product
No

Heating

EN 14511-2

Low temperature

Medium temperature

Heat output

2.30 kW

2.50 kW

El input

0.58 kW

1.10 kW

COP

4.00

2.30

EN 14511-4

Shutting off the heat transfer medium flow

passed

Complete power supply failure

passed

Defrost test

passed

Starting and operating test

passed

Average Climate

EN 12102-1

Low temperature

Medium temperature

Sound power level indoor

42 dB(A)

42 dB(A)

EN 14825

Low temperature

Medium temperature

ηs

187 %

143 %

Prated

3.50 kW

3.50 kW

SCOP

4.75

3.65

Tbiv

-7 °C

-10 °C

TOL

-10 °C

-10 °C

Pdh Tj = -7°C

3.13 kW

3.06 kW

COP Tj = -7°C

3.09

2.56

Cdh Tj = -7 °C

0.980

0.990

Pdh Tj = +2°C

1.89 kW

1.86 kW

COP Tj = +2°C

5.20

3.78

Cdh Tj = +2 °C

0.950

0.970

Pdh Tj = +7°C

1.24 kW

1.21 kW

COP Tj = +7°C

6.38

4.70

Cdh Tj = +7 °C

0.910

0.940

Pdh Tj = 12°C

1.19 kW

1.14 kW

COP Tj = 12°C

6.87

5.58

Cdh Tj = +12 °C

0.900

0.920

Pdh Tj = Tbiv

3.13 kW

3.51 kW

COP Tj = Tbiv

3.09

2.23

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

3.05 kW

3.51 kW

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

3.02

2.23

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

1.000

1.000

WTOL

65 °C

65 °C

Poff

8 W

8 W

PTO

17 W

16 W

PSB

18 W

18 W

PCK

14 W

14 W

Supplementary Heater: Type of energy input

Electricity

Electricity

Supplementary Heater: PSUP

0.45 kW

0.00 kW

Annual energy consumption Qhe

1523 kWh

1982 kWh

Domestic Hot Water (DHW)

Average Climate

EN 16147

Declared load profile

XL

Efficiency ηDHW

117 %

COP

2.80

Heating up time

4:15 h:min

Standby power input

56.3 W

Reference hot water temperature

52.0 °C

Mixed water at 40°C

230 l

S735-4 R 1x230V
Configure model
Model name
S735-4 R 1x230V
Application
Heating + DHW + low temp
Units
Indoor
Climate Zone
n/a
Reversibility
No
Cooling mode application (optional)
n/a
General Data
Power supply
1x230V 50Hz
Off-peak product
No

Heating

EN 14511-2

Low temperature

Medium temperature

Heat output

2.30 kW

2.50 kW

El input

0.58 kW

1.10 kW

COP

4.00

2.30

EN 14511-4

Shutting off the heat transfer medium flow

passed

Complete power supply failure

passed

Defrost test

passed

Starting and operating test

passed

Average Climate

EN 12102-1

Low temperature

Medium temperature

Sound power level indoor

42 dB(A)

42 dB(A)

EN 14825

Low temperature

Medium temperature

ηs

187 %

143 %

Prated

3.50 kW

3.50 kW

SCOP

4.75

3.65

Tbiv

-7 °C

-10 °C

TOL

-10 °C

-10 °C

Pdh Tj = -7°C

3.13 kW

3.06 kW

COP Tj = -7°C

3.09

2.56

Cdh Tj = -7 °C

0.980

0.990

Pdh Tj = +2°C

1.89 kW

1.86 kW

COP Tj = +2°C

5.20

3.78

Cdh Tj = +2 °C

0.950

0.970

Pdh Tj = +7°C

1.24 kW

1.21 kW

COP Tj = +7°C

6.38

4.70

Cdh Tj = +7 °C

0.910

0.940

Pdh Tj = 12°C

1.19 kW

1.14 kW

COP Tj = 12°C

6.87

5.58

Cdh Tj = +12 °C

0.900

0.920

Pdh Tj = Tbiv

3.13 kW

3.51 kW

COP Tj = Tbiv

3.09

2.23

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

3.05 kW

3.51 kW

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

3.02

2.23

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

1.000

1.000

WTOL

65 °C

65 °C

Poff

8 W

8 W

PTO

17 W

16 W

PSB

18 W

18 W

PCK

14 W

14 W

Supplementary Heater: Type of energy input

Electricity

Electricity

Supplementary Heater: PSUP

0.45 kW

0.00 kW

Annual energy consumption Qhe

1523 kWh

1982 kWh

Domestic Hot Water (DHW)

Average Climate

EN 16147

Declared load profile

XL

Efficiency ηDHW

117 %

COP

2.80

Heating up time

4:15 h:min

Standby power input

56.3 W

Reference hot water temperature

52.0 °C

Mixed water at 40°C

230 l

S735-4 R 3x230V
Configure model
Model name
S735-4 R 3x230V
Application
Heating + DHW + low temp
Units
Indoor
Climate Zone
n/a
Reversibility
No
Cooling mode application (optional)
n/a
General Data
Power supply
3x230V 50Hz
Off-peak product
No

Heating

EN 14511-2

Low temperature

Medium temperature

Heat output

2.30 kW

2.50 kW

El input

0.58 kW

1.10 kW

COP

4.00

2.30

EN 14511-4

Shutting off the heat transfer medium flow

passed

Complete power supply failure

passed

Defrost test

passed

Starting and operating test

passed

Average Climate

EN 12102-1

Low temperature

Medium temperature

Sound power level indoor

42 dB(A)

42 dB(A)

EN 14825

Low temperature

Medium temperature

ηs

187 %

143 %

Prated

3.50 kW

3.50 kW

SCOP

4.75

3.65

Tbiv

-7 °C

-10 °C

TOL

-10 °C

-10 °C

Pdh Tj = -7°C

3.13 kW

3.06 kW

COP Tj = -7°C

3.09

2.56

Cdh Tj = -7 °C

0.980

0.990

Pdh Tj = +2°C

1.89 kW

1.86 kW

COP Tj = +2°C

5.20

3.78

Cdh Tj = +2 °C

0.950

0.970

Pdh Tj = +7°C

1.24 kW

1.21 kW

COP Tj = +7°C

6.38

4.70

Cdh Tj = +7 °C

0.910

0.940

Pdh Tj = 12°C

1.19 kW

1.14 kW

COP Tj = 12°C

6.87

5.58

Cdh Tj = +12 °C

0.900

0.920

Pdh Tj = Tbiv

3.13 kW

3.51 kW

COP Tj = Tbiv

3.09

2.23

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

3.05 kW

3.51 kW

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

3.02

2.23

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

1.000

1.000

WTOL

65 °C

65 °C

Poff

8 W

8 W

PTO

17 W

16 W

PSB

18 W

18 W

PCK

14 W

14 W

Supplementary Heater: Type of energy input

Electricity

Electricity

Supplementary Heater: PSUP

0.45 kW

0.00 kW

Annual energy consumption Qhe

1523 kWh

1982 kWh

Domestic Hot Water (DHW)

Average Climate

EN 16147

Declared load profile

XL

Efficiency ηDHW

117 %

COP

2.80

Heating up time

4:15 h:min

Standby power input

56.3 W

Reference hot water temperature

52.0 °C

Mixed water at 40°C

230 l