Nibe S1256 - Page 75

WORKING RANGE HEAT PUMP, COMPRESSOR
OPERATION
The compressor provides a supply temperature up to 65 °C
at -5 °C incoming brine temperature.
The compressor’s speed is limited in certain parts of the
working range.
0
-15
-10 -5
0 5 10 15
20
25
35
10
20
30
40
50
60
70
Temperatur,
°C
Inkommande köldbärartemp,
°C
Framledning
Returledning
30
40
Temperature,
°C
Incoming brine temperature,
°C
Flow pipe
Return pipe
DIAGRAM,DIMENSIONING COMPRESSOR SPEED
Heating operation 35 °C and 55 °C
Diagram for dimensioning a heat pump.
S1256-8
0
-10
-5
0
5
10
15 35
2
4
6
8
10
12
Avgiven värmeeffekt,
kW
Inkommande köldbärartemp,
°C
30
2520
Heating capacity,
kW
Incoming brine temperature,
°C
35°C
55°C
55°C
35°C
Max. heating capacity
Min. heating capacity
S1256-13
0
-10 -5 0 5 10 15 30 35
2
4
6
8
10
12
20
Avgiven värmeeffekt, kW
Inkommande köldbärartemp, °C
14
16
18
20 25
Heating capacity,
kW
Incoming brine temperature,
°C
35°C
55°C
55°C
35°C
Max. heating capacity
Min. heating capacity
S1256-18
0
0 5 10 15 20 25 30 35
12
14
18
20
24
Avgiven värmeeffekt, kW
Inkommande köldbärartemp, °C
2
4
6
8
10
-5-10
22
16
26
Heating capacity,
kW
Incoming brine temperature,
°C
35°C
55°C
55°C
35°C
Max. heating capacity
Min. heating capacity
Max. heating capacity
Min. heating capacity
75Chapter 13 | Technical dataNIBE S1256