Nibe F1245 Service Manual

Sensors
Temperature sensor data
Voltage (VDC)Resistance
(kOhm)
Temperature
(°C)
3.256351.0-40
3.240251.6-35
3.218182.5-30
3.189133.8-25
3.15099.22-20
3.10574.32-15
3.04756.20-10
2.97642.89-5
2.88933.020
2.78925.615
2.67320.0210
2.54115.7715
2.39912.5120
2.24510.0025
2.0838.04530
1.9166.51435
1.7525.30640
1.5874.34845
1.4263.58350
1.2782.96855
1.1362.46760
1.0072.06865
0.8911.73970
0.7851.46975
0.6911.24680
0.6071.06185
0.5330.90890
0.4690.77995
0.4140.672100
Electronics
Immersion heater card (AA1)
IndicationLED
A steady light means that the relevant relay
is engaged.
K1 - K10: Or-
ange
3x400 V3x230 V1x230 VOut-
put
Supply L1Supply L1Supply L1K1
Supply L2Supply L2Supply L1K2
Supply L3Supply L2Supply L1K3
Immersion
heater 2 kW
Supply L3Immersion
heater 2 kW
K4
No functionSupply L3No functionK5
Immersion
heater 2 kW
Immersion
heater 2 kW
Immersion
heater 2 kW
K6
Immersion
heater 3 kW
on K9
Immersion
heater 2 kW
No functionK7
Immersion
heater 2 kW
Immersion
heater 3 kW
Immersion
heater 2 kW
K8
Immersion
heater 1/3 kW
Immersion
heater 2 kW
Immersion
heater 1 kW
K9
No functionNo functionNo functionK10
F1245Chapter 5 | Component description24

Nibe F1245 Specifications

General

Refrigerant	R410A
Control System	NIBE SMO 40
Dimensions (HxWxD)	1800 x 600 x 620 mm
Energy Efficiency Class Heating 35°C	A++
Energy Efficiency Class Heating 55°C	A++
Heating Capacity	5-12 kW
COP Heating	4.5
Integrated Hot Water Tank	180 liters
Power Input Heating	1.0 - 3.0 kW