Nibe F1345 Service Manual page 23

Sensors
Temperature sensor data
Temperature Resistance
(°C) (kOhm)
-40 351.0
-35 251.6
-30 182.5
-25 133.8
-20 99.22
-15 74.32
-10 56.20
-5 42.89
0 33.02
5 25.61
10 20.02
15 15.77
20 12.51
25 10.00
30 8.045
35 6.514
40 5.306
45 4.348
50 3.583
55 2.968
60 2.467
65 2.068
70 1.739
75 1.469
80 1.246
85 1.061
90 0.908
95 0.779
100 0.672
F1345
Electronics
Base board (AA2, AA26)
24 - 30 kW
Voltage (VDC)
Relay/Output
3.256
PWM1
3.240
3.218
3.189
PWM2
3.150
3.105
3.047
K1
2.976
2.889
2.789
K2
2.673
2.541
K3
2.399
2.245
2.083
K4
1.916
1.752
40-60 kW
1.587
Relay/Output
1.426
1.278
PWM1
1.136
1.007
0.891
PWM2
0.785
0.691
K1
0.607
0.533
K2
0.469
0.414
K3
K4
Function - AA2 Function - AA26
Control signal VB Control signal VB
pump (EP14 - pump (EP15 -
GP1) GP1)
Control signal Control signal
Brine pump (EP14 Brine pump (EP15
- GP2) - GP2)
Reversing valve No function
(EP14 - QN10)
Crankcase heater Crankcase heater
(EP14 - EB10) (EP15 - EB10)
HM pump (EP14 - HM pump (EP15
GP1) - GP1)
Brine pump (EP14 Brine pump (EP15
- GP2) - GP2)
Function - AA2 Function - AA26
Control signal VB Control signal VB
pump (EP14 - pump (EP15 -
GP1) GP1)
No function No function
Reversing valve No function
(EP14 - QN10)
Crankcase heater Crankcase heater
(EP14 - EB10) (EP15 - EB10)
HM pump (EP14 - HM pump (EP15
GP1) - GP1)
Brine pump (EP14 No function
- GP16)
Chapter 5 | Component description 23