Overview Of All The Electrical Connections; Cable Section And Protection Rating - Fujitsu AOYA18LALL Installation And Operating Manual

Heat pump, Split, single service

Overview of all the electrical connections

2.9.3
The wiring diagram for the hydraulic module is shown in detail on page 56.
Interconnection between the external unit
and the hydraulic module
Phase, Neutral, Earth, Communication bus
Cable 4 x 1.5 mm²
Figure 31 - Overall layout of the electrical connections for a simple installation (1 heating circuit)

Cable section and protection rating

2.9.4
The cable sections are given for information purposes only and do not exempt the installer from checking that
these sections correspond to the requirements and comply with the prevailing standards.
•
Power supply to outside unit
Heat pump
Model
050, 065
080
095
128
155
Interconnection between the outside unit and the hydraulic module. The hydraulic module is powered by
the outside unit by means of a 4 x 1.5 mm² cable (Phase, Neutral, Earth, Communication bus).
•
Power supply to the electrical back-ups
The hydraulic module contains two stages of electrical back-ups installed in a heat exchange cylinder.
Heat pump Electric back-ups
Model Power
050, 065, 080 2 x 1,5 kW
095, 128, 155 2 x 3 kW
Outdoor sensor, ambient air sensor, remote control
For the room thermostat, use a 2 x 0.5 mm² telephone type cable.
For the remote control, use a 3 x 0.5 mm² telephone type cable.
For the outdoor sensor, use a 2 x 0.75 mm² cable.
Installation and operating manual "1350-EN"
Outdoor sensor
Cable 2 x 0.75 mm²
Power absorbed
1860 W
2210 W
2680 W
3770 W
4700 W
Nominal intensity
13 A
26,1 A
Room thermostat
(option)
cable 2 x 0.5 mm²
Power supply to the electrical back-ups
Phase, Neutral, Earth
Cable 3 x 2.5 to 6 mm²
(depending on heat pump power)
General electrical supply
Phase, Neutral, Earth
Cable 3 x 1.5 to 4 mm² (depending on heat pump power)
Electricity supply 230 V - 50 Hz
Cable connection
(Phase, Neutral, Earth)
3 x 1,5 mm²
3 x 2,5 mm²
3 x 2,5 mm²
3 x 4 mm²
3 x 4 mm²
Power supply to the electrical back-ups
Cable connection
(Phase, Neutral, Earth)
3 x 2,5 mm²
3 x 4 mm²
3 x 6 mm²
Remote control (option) :
cable 3 x 0.5 mm²
Electric panel
Curve D circuit breaker
size (A)
16
16
20
25
32
Curve C circuit breaker
size (A)
16
32
25