Nibe S1155PC, Руководство по установке, Страница: 19 / 80

Connections
TERMINAL BLOCKS
The following terminal blocks are used on the base board
(AA2).
-X29
-X28
0-5V 1
+5V 2
AUX1 3
AUX2 4
AUX3 5
AUX4 6
AUX5 7
AUX6 8
AUX7 9
AUX8 10
BT6 11
BT25 12
1
1 2
3
2
3
4
5
6
7
8
9
10
11
12
GND
+12V
B
A
OT+
OT−
0-5V
PWM0
PWM1
CPU
EXT COM
INT COM
ERROR
POWER
+5V
GND
BE1
BE2
BE3
K1
0
-X2
7
NO O NC
A
UX-R
ELA
Y
BT50 13
BT1 14
-X30
AA2 X1 X5
X6-2
X6-1
X7-2 X9
POWER CONNECTION
Supply voltage
Enclosed cable for incoming supply electricity is connected
to terminal block X1 and X6-1 on the PCB (AA2).
Connection 3x400V
AA2-X1 AA2-X6-1
PE N L1 L2 L3
1 2 3 4
Connection 1x230V
AA2-X1
PE N L (L) (L)
1 2 3 4
AA2-X6-1
If separate supply to the compressor and immersion heater
is required, see section "
External blocking of functions " ".
Tariff control
If the voltage to the immersion heater and/or compressor
is lost for a period, this must be blocked at the same time
via the selectable inputs, see section "
Selectable inputs/out-
puts – Possible selections for AUX inputs ".
External control voltage for the control
system
NOTE
Mark up any junction boxes with warnings for ex-
ternal voltage.
Control voltage (230 V ~ 50Hz) connects to AA2:X5:N, X5:L
and X6-2 (PE).
When connecting external control voltage, remove the
bridges from terminal block X5.
L
N
1. 2.
3. 4.
X5
19 Chapter 5 | Electrical connections NIBE S1155PC