1210863x230V
73.565.5(23)57(20.8)52(20.3)A
rms
Starting current (with soft start)
----ohmMax permitted impedance at connection point
1)
24(25)22(25)20(20)17.5(20)A
rms
Max operating current heat pump including 2 kW immersion heater
(Recommended fuse rating)
30(32)28(32)26(32)24(25)A
rms
Max operating current heat pump including 4 kW immersion heater
(Recommended fuse rating)
30(32)28(32)26(32)24(25)A
rms
Max operating current heat pump including 6 kW immersion heater
(Recommended fuse rating)
42(50)40(40)38(40)36(40)A
rms
Max operating current heat pump including 9 kW immersion heater
(Recommended fuse rating)
35 – 18535 – 18535 – 18535 – 185WOutput, Brine pump
7–727–727–727–72WOutput, Heating medium pump
IP 21IP class
Refrigerant circuit
R407CType of refrigerant
2.22.52.31.8kgVolume
2.9 (29 bar)MPaCut-out value pressostat HP
-0.7 (-7 bar)MPaDifference pressostat HP
0.15 (1.5 bar)MPaCut-out value pressostat LP
0.15 (1.5 bar)MPaDifference pressostat LP
Brine circuit
low energyEnergy class Brine pump
0.3 (3 bar)MPaMax system pressure brine
0.470.390.330.25l/sMin flow
0.650.510.420.30l/sNominal flow
69859294kPaMax external avail. press at nom flow
see diagram°CMax/Min incoming Brine temp
-10°CMin. outgoing brine temp.
Heating medium circuit
low energyEnergy class circ-pump
0.4 (4 bar)MPaMax system pressure heating medium
0.190.160.130.10l/sMin flow
0.270.220.180.13l/sNominal flow
43464846kPaMax external avail. press at nom flow
see diagram°CMax/Min heating medium temp
43434343Lw(A)Noise output
according to EN 12102 at 0/35
Pipe connections
28mmBrine ext diam. CU pipe
2822mmHeating medium ext diam. CU pipes
22mmHot water connection external diam
22mmCold water connection external diam
3x400V
1210863x400V
Output data at nom flow
Refers to performance of heat pump excl. circulation pumps
0/35
11.829.958.306.31kWRated output
9.357.976.645.03kWCooling output
79Chapter 12 | Technical dataNIBE™ F1245