Nibe F1255 Installation Manual page 73

WORKING RANGE HEAT PUMP,
COMPRESSOR OPERATION
The compressor provides a supply temperature up to
65 °C, at 0 °C incoming brine temperature, the remainder
(up to 70°C) is obtained using the additional heat.
This diagram shows the working range below 75 % for
Arbetsområde under 75% för F1155-1255 6kW,
för hela arbetsområdet 12 och 16 kW.
F1255-6 and the entire working range for F1255-12.
Vattentemperatur
Vattentemperatur
Temperature, °C
(°C)
°C
70 70
60
60
50
50
40
40
30 30
20 20
10 10
0 0
-15 -15 -10 -10 -5 -5 0 0 5 5
Framledning
Flow pipe
Framledning
Returledning
Return pipe
Returledning
F1255-6
This diagram shows the working range above 75 % for
Arbetsområde över 75% för F1155-1255 6kW
F1255-6.
Vattentemperatur
Temperature, °C
°C
70
60
50
40
30
20
10
0
-15 -10 -5 0 5
Framledning
Flow pipe
Returledning
Return pipe
Caution
For operation of F1255-6 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.
DIAGRAM, DIMENSIONING COMPRESSOR
SPEED
Heating mode 35 °C
Use this diagram to dimension the heat pump. The
percentages show approximate compressor speed.
NIBE F1255
10 10 15 15 20 20 25 25 30 30 35 35 °C
Incoming brine temp, °C
Köldbärare in, temperatur Köldbärare in
(°C)
10 15 20 25 30 35 °C
Incoming brine temp, °C
Köldbärare in, temperatur
Dimensionering kompr. hastighet för F1155-1255 -6 kW.
F1255-6
Avgiven värmeeffekt
Specified heating output, kW
kW
10
8
6
4
2
0
-10 -5 0 5
Dimensionering kompr. hastighet för F1155-1255 -12 kW 230 V.
F1255-12
Avgiven värmeeffekt
Specified heating output, kW
kW
25
20
15
10
5
0
-10 -5 0 5
Cooling mode (Accessory required)
Caution
To dimension heating dump, see the diagram
for heating operation.
Supply temperature, heating medium 35 °°C
Framledningstemp. Värmebärare 35 °C för F1155-1255 -6 kW.
F1255-6
Avgiven kyleffekt
Specified cooling output, kW
kW
10
9
8
7
6
5
4
3
2
1
0
-10 -5 0 5
Chapter 12 | Technical data
100%
75%
50%
1%
10 15 20 25 30 °C
Köldbärare in, temperatur
Incoming brine temp, °C
100%
50%
1%
10 15 20 25 30 °C
Köldbärare in, temperatur
Incoming brine temp, °C
100%
50%
1%
10 15 20 25 30 °C
Köldbärare in, temperatur
Incoming brine temp, °C
73