Connections Between Outdoor And Indoor Units; Electric Heater Connection - Airwell Aqu@Scop Advance R410A Installation And Maintenance Manual

15.3. CONNECTIONS BETWEEN OUTDOOR AND INDOOR UNITS

Inside the indoor unit there is an interface board, used for the
communication line between outdoor and indoor units, according
following wiring instruction.
C N L
L1
N
3 X 1.5mm²
12V COM COM 43V

15.4. ELECTRIC HEATER CONNECTION

4
N1
N2
N3
PE
L1
L2
L3
4
N1
N2
N3
PE
L1
L2
L3
COM Ni Li
N
3 X 1.5mm²
12V COM COM
N
3 / N / PE
400 V/ 50 Hz
L1
L2
L3
N
N
N
1 / N / PE
230 V/ 50 Hz
L1
L1
L1
30
N L
0 0
L1
43V
phase asymmetrical 3 / N / pE 400 V/ 50 Hz:
Recommended power cable
5 x 2.5 mm2
Single phase 1 / N / pE 230 V/ 50 Hz
Recommended power cable
7 x 2.5 mm2
N L N L
C2 C1
N L1
3 X 1.5mm²
12V COM COM 43V