Nibe S735 - Technical Specifications

Technical specifications
7kW1x230 V
Output data according to EN 14 511
1.16 / 3.90kW/-Heating capacity (P
H
)/COP
1
1.57 / 5.19kW/-Heating capacity (P
H
)/COP
2
5.37 / 2.55kW/-Heating capacity (P
H
)/COP
3
SCOP according to EN 14 825
6kWRated heating output (P
designh
)
4.75 / 3.81SCOP cold climate, 35°C / 55 °C
4.50 / 3.67SCOP average climate, 35 °C / 55 °C
4.41 / 3.62SCOP warm climate, 35°C / 55°C
Additional power
3.5 (3.5)kWMax power, immersion heater (factory setting)
Energy rating, average climate
A+++ / A++The product’s efficiency class room heating, average climate 35 / 55 °C
4
A+++ / A++The system’s efficiency class room heating, average climate 35 / 55 °C
5
A / XLEfficiency class hot water heating/Declared tap profile
6
Electrical data
230 V ~ 50 HzVRated voltage
30.2AMax operating current
32AMin. fuse rating
75WDrive output heating medium pump
170WDriving power exhaust air fan
IP1XBEnclosure class
Equipment Compliant with IEC 61000-3-12
For Connection Design Purposes, Compliant with Class A limits of IEC 61000-3-2
For Connection Design Purposes, Compliant with IEC 61000-3-3 technical requirements
WLAN
11dBm2.412 - 2.484 GHz max power
Wireless units
4dBm2.405 - 2.480 GHz max power
Refrigerant circuit
R290Type of refrigerant
3GWP refrigerant
0.42kgVolume
0.00126tonCO
2
equivalent
Heating medium circuit
0.25 (2.5)MPa (bar)Max pressure in the heating medium circuit
0.25 (2.5)MPa (bar)Opening pressure, safety valve
0.2 / (2.0)MPa (bar)Operating pressure
70 (60)°CMax temperature, supply line (factory setting)
Ventilation
25l/sMin. airflow
Noise
40-53dB(A)Sound effect level according to EN 12 102 (L
W(A)
)
7
36-49dB(A)Sound pressure level in the installation room (L
P(A)
)
8
Pipe connections
22mmHeating medium ext Ø
22mmHot water ext Ø
22mmCold water ext Ø
125/160mmVentilation Ø
Water heater and heating section
7.8litreVolume coil
178litreVolume, hot water heater
0.65 / (6.5)MPa (bar)Max pressure in hot water heater
Tested according to EN 12897:2016
223 - 264litreTap volume 40°C (V
max
)
9
1.6 / (16)MPa (bar)Maximum water supply pressure
0.6 / (6.0)MPa (bar)Operating pressure, tap water
0.35 / (3.5)MPa (bar)Expansion vessel, tap water, precharge pressure
0.3 / (3.0)MPa (bar)Pressure reduction valve, setting
18litreVolume expansion vessel (external)
0.7 / (7.0)MPa (bar)Max operating pressure of T&P-valve
NIBE S735Chapter 13 | Technical data68