S1256-18S1256-13S1256-8Model
-12°CMin. outgoing brine temp.
Heating medium circuit
0.05 (0.5) / 0.45 (4.5)MPa
(bar)
Min/Max system pressure heating medium
0.360.270.18l/sFlow at Pdesignh
5 6
657271kPaMax external available pressure at Pdesignh
5
see diagram°CMin/max HM-temp
Pipe connections
282828mmBrine ext diam. CU pipe
282822mmHeating medium ext diam. CU pipes
22mmHot water connection external diam
22mmCold water connection external diam
Hot water and heating section
8.0 / 8.0 / 5.0lVolume coil (Cu / Rf / E)
178 / 176 / 178lVolume water heater (Cu / Rf / E)
1.0 (10)MPa
(bar)
Max pressure in water heater
Capacity, hot water heating according to EN16147
235 / 250 / 275235 / 250 / 275235 / 250 / 275lTap volume 40°C in comfort mode Small, Medium, Large
3.03.03.0COP
DHW
(tap profile XL) comfort mode Small
Compressor oil
POEOil type
0.900.900.45lOil volume
Dimensions and weight
600 x 620 x 1,800mmWidth x Depth x Height
1,970mmCeiling height
7
250 / 230 / 268245 / 225 / 263231 / 211 / 249kgWeight complete heat pump (Cu / Rf / E)
8
98.593.583kgWeight only cooling module
-065 714065 701Part number, 1x230 V (Rf)
-065 713065 700Part number, 3x230 V (Rf)
-065 716-Part number, 3x400 V (E) T
065 718 / 065 720 /
065 719
065 710 / 065 712 /
065 711
065 697 / 065 699 /
065 698
Part number, 3x400 V (Cu/Rf/E)
1
Scale for the product’s efficiency class room heating: A+++ to D.
2
Scale for the system’s efficiency class room heating: A+++ to G. Reported efficiency for the system takes the product’s temperature regulator into account.
3
Scale for efficiency class hot water: A+ to F.
4
For 18 kW, the value is given at Delta T=4°C, for others at Delta T=3°C
5
Brine in 0°C / Water out 45°C²
6
At Delta T=10°C
7
With feet removed, the height is approx. 1,950 mm.
8
Cu: copper, Rf: stainless steel, E: enamel
NIBE S1256Chapter 13 | Technical data74