Nibe S1255-12, Installer Manual, Page: 71 / 92

S1255-16 S1255-12 S1255-6 Model
see diagram °C Min/max HM-temp
Pipe connections
28 28 28 mm Brine ext diam. CU pipe
28 28 22 mm Heating medium ext diam. CU pipes
22 mm Hot water connection external diam
22 mm Cold water connection external diam
Hot water and heating section
2.0 / 7.8 / 4.8 l Volume coil (Cu / SS / E)
178 / 176 / 178 l Volume, heater (Cu / SS / E)
1.0 (10 bar) MPa Max pressure in water heater
Hot water heating capacity (comfort mode Normal) According to EN16147
240 240 245 l Amount of hot water (40 °C)
2.5 2.5 2.6 COP
DHW
(load profile XL)
Compressor oil
POE Oil type
1.45 0.9 0.68 l Oil volume
Dimensions and weight
600 x 620 x 1,800 mm Width x Depth x Height
1,950 mm Ceiling height
4
240 / 220 / 260 233 / 213 / 251 203 / 183 / 223 kg
Weight complete heat pump (Cu / Rf / E)
5
112 230 V: 110
400 V: 120 112 kg Weight only cooling module
Lead in brass components Substances according to Directive (EG) no. 1907/2006, article 33
(Reach)
- 065 456 065 470 Part number, 1x230 V (Rf)
- 065 459 065 471 Part number, 3x230 V (Rf)
- 065 505 - Part number, 3x400 V (E) T
065 460 / 065 464 /
065 462
065 452 / 065 455 /
065 454
065 465 / 065 472 /
065 467
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
With feet removed, the height is approx. 1,930 mm.
5 Cu: copper, Rf: stainless steel, E: enamel
WORKING RANGE HEAT PUMP,
COMPRESSOR OPERATION
The compressor provides a supply temperature up to
65 °C at -5 °C incoming brine temperature.
The working range below 75 % for S1255-6 and the
entire working range for S1255-12, -16.
0
-15 -10 -5 0 5 10 15 20 25 35
20
40
60
70
Vattentemperatur
(°C)
Köldbärare in
(°C)
30
Framledning
Returledning
50
30
10
Vattentemperatur
°C
Arbetsområde under 75% för F1155-1255 6kW,
för hela arbetsområdet 12 och 16 kW.
°C
Framledning
Returledning
0
-15 -10 -5 0 5 10 15 20 25 30 35
20
10
30
40
50
60
70
Köldbärare in, temperatur
Temperature, °C
Flow pipe
Return pipe
Incoming brine temp, °C
The working range above 75 % for S1255-6
Vattentemperatur
°C
Arbetsområde över 75% för F1155-1255 6kW
°C
Framledning
Returledning
0
-15 -10 -5 0 5 10 15 20 25 30 35
20
10
30
40
50
60
70
Köldbärare in, temperatur
Temperature, °C
Flow pipe
Return pipe
Incoming brine temp, °C
Caution
For operation of S1255-6 above 75% com-
pressor speed, unlock in menu 5.1.24. This can
produce a louder noise level than the value
stated in the technical specifications.
71 Chapter 13 | Technical data NIBE S1255