Nibe S1256 - Page 81

S1256-18Model
Air-water
Exhaust-water
Brine-water
Water-water
Type of heat pump
Yes No
Low-temperature heat pump
Yes No
Integrated immersion heater for additional heat
Yes No
Heat pump combination heater
Average Cold Warm
Climate
Medium (55°C) Low (35°C)
Temperature application
EN-14825, EN-16147 & EN-12102-1Applied standards
%169ƞ
s
Seasonal space heating energy efficiencykW15,1PratedRated heat output
Declared coefficient of performance for space heating at part load and at
outdoor temperature Tj
Declared capacity for space heating at part load and at outdoor temperature
Tj
-3.37COPdTj = -7 °CkW13.7PdhTj = -7 °C
-4.36COPdTj = +2 °CkW8.3PdhTj = +2 °C
-5.21COPdTj = +7 °CkW5.4PdhTj = +7 °C
-5.66COPdTj = +12 °CkW3.5PdhTj = +12 °C
-3.12COPdTj = bivkW15.2PdhTj = biv
-3.12COPdTj = TOLkW15.2PdhTj = TOL
-COPdTj = -15 °C (if TOL < -20 °C)kWPdhTj = -15 °C (if TOL < -20 °C)
°C-10TOLMin. outdoor air temperature°C-10T
biv
Bivalent temperature
-COPcycCycling interval efficiencykWPcychCycling interval capacity
°C65WTOLMax supply temperature-0.99CdhDegradation coefficient
Additional heatPower consumption in modes other than active mode
kW0.0PsupRated heat outputkW0.004P
OFF
Off mode
kW0.005P
TO
Thermostat-off mode
ElectricType of energy inputkW0.009P
SB
Standby mode
kW0.012P
CK
Crankcase heater mode
Other items
m
3
/hRated airflow (air-water)VariableCapacity control
m
3
/hNominal heating medium flowdB39 / -L
WA
Sound power level, indoors/outdoors
m
3
/h2.99Brine flow brine-water or water-water heat
pumps
kWh7,064Q
HE
Annual energy consumption
For heat pump combination heater
%125ƞ
wh
Water heating energy efficiencyXLDeclared load profile for water heating
kWhQ
fuel
Daily fuel consumptionkWh6.333Q
elec
Daily energy consumption
GJAFCAnnual fuel consumptionkWh1,342AECAnnual energy consumption
NIBE Energy Systems – Box 14 – Hannabadsvägen 5 – 285 21 Markaryd – SwedenContact information
81Chapter 13 | Technical dataNIBE S1256