Access To Electrical Connections; Connecting Cables; Electrical Connections - Olimpia splendid SHERPA Serie Instructions Pour L'installation, L'emploi Et L'entretien

2
The power lines must be suitably sized to prevent voltage drops or overheating of cables or other devices on the lines.
The power line of the external unit must be capable of being sectioned from the mains using a thermomagnetic circuit breaker
suitable for the machine input with differential relay, with maximum calibration equal to that stated in national electrical regulations
The internal unit line is already protected by a thermomagnetic circuit breaker on the electrical heater elements power supply
The manufacturer is not liable for any damage arising from failure to earth or failure to comply with that indicated in the wiring
diagrams.
A External unit power supply
B External unit maximum absorbed power
C External unit maximum absorbed current
D
E Internal unit power supply
F
G
2.9.1

Access to electrical connections

The terminal boards for the external unit's electrical connections are located on the right-hand side of the unit. To gain access,
remove the electric panel cover after having removed the fastening screws.
To access the terminal boards for the internal unit's electrical connections, see sect. 2.1.1 and 2.1.2.
These operations are permitted solely to specialist personnel.
2.9.2

Connecting cables

The following table summarises the cables to be used.
ODU/IDU communication cable
DHW and outside air probe cable
INTERNAL UNIT
Power cable
EXTERNAL UNIT
Power cable
2.9.3

Electrical connections

and the descriptions below.
Internal unit:
terminals L-N-
terminals 24-25
terminals 26-27
terminals Q-P: communication cable between internal unit and external unit
terminals N-L-12: 3-way valve for domestic water diversion installed as standard on 3W on-board machine version, can be
terminals N-13: contactor activation for electrical heater element power supply in domestic water tank during anti-legionella
terminals 14-15
terminals 16-17
terminals 5-L
terminal 1 electronic board on / off remote free contact
46
A 2 x 0,5 mm 2 shielded
B H03RN-F 2 G 0,5 / H03VV-F 2 G 0,5
SHERPA SMALL
C H05VV 3 x 2,5 mm 2
OS- OS-
CEBSH24EI CEBCH36EI
D H07RN-F 3 G2,5 H07RN-F 3 G4
internal unit power supply
SHERPA BIG
H05VV-F 3 x 4 mm 2
OS- OS-CEB-
CEBCH48EI TH48EI
H07RN-F 3 G4 H07RN-F 5 G2,5
OS- OS-CEB-
CEBCH60EI TH60EI
H07RN-F 3 G4 H07RN-F 5 G2,5