Nibe F1155 Installer Manual page 27

monitors that control the electrical steps for the elec-
trical addition by redistributing the power between
the different phases or disengaging the electrical addi-
tion in event of overload in a phase. If the overload re-
mains despite the electrical addition being disengaged,
the compressor winds down. Reconnection occurs
when other current consumption is reduced.
Connecting current sensors
A current sensor should be installed on each incoming
phase conductor in to the distribution box to measure
the current. The distribution box is an appropriate in-
stallation point.
Connect the current sensors to a multi-core cable in an
enclosure next to the electrical distribution unit. The
multi-core cable between the enclosure and the heat
pump must have a cable area of at least 0.5 mm².
Connect the cable to the input board (AA3) on terminal
X4:1-4 block - where X4:1 is the common terminal block
for the three current sensors.
The size of the property's main fuse is set in menu
5.1.12.
Inkommande el Incoming electricity
PEN L L L
1 2 3
Electrical distribution Elcentral
unit
Heat pump
Värmepump
AA3-X4
NIBE Uplink™
Connect the network connected cable (straight, Cat.5e
UTP) with RJ45-contact (male) to RJ45 contact (female)
on the rear of the heat pump.
External connection options
F1155 has software controlled inputs and outputs on
the input card (AA3), for connecting the external switch
function or sensor. This means that when an external
switch function or sensor is connected to one of six
special connections, the correct function must be selec-
ted to the correct connection in the software in F1155.
NIBE™ F1155
4
-T3 -T3
3
-T2 2
-T2
1
-T1
-T1
Caution
If an external switch function or sensor is con-
nected to F1155, the function to use input or
output must be selected in menu 5.4, see page
50.
Selectable inputs on the input board for these functions
are:
AUX1
AUX2
AUX3
AUX4
AUX5
Selectable outputs are AA3:X7.
soft in/outputs 5.4
activate temp lux
AA3-X6
The example above uses the inputs AUX1 (X6:9-10) andAUX2
(X6:11-12) on the input circuit board (AA3).
Caution
Some of the following functions can also be
activated and scheduled via menu settings.
Possible selection for AUX inputs
Temperature sensor, hot water top
A temperature sensor for hot water top can be connec-
ted to F1155 for showing the water temperature at
the top of the tank.
Chapter 5 |
X6:9-10
X6:11-12
X6:13-14
X6:15-16
X6:17-18
block heating
not used
not used
not used
alarm output
AA3-X6
9 10111213141516
F1155
F1245
Externt
External
A
B
Electrical connections 27