Connection Cables; Internal Unit; Electrical Connections - Olimpia splendid Sherpa Aquadue S2 E Small Instructions Pour L'installation, L'emploi Et L'entretien

3.6.2 - Connection cables

The following table lists the cables which must be used.
A UE/UI communication cable
DHW probe and external air
B
cable

Internal unit

C Power cable
External unit
D Power cable

3.6.3 - Electrical connections

Carry out the connections of the cables listed in the previous paragraph to the terminal blocks of the internal
and external units referring to fig. 19, 20, 21, 22 as described below.
Wiring diagram legend (Fig.22)
Ref. Description
1 Input for remote control COOLING ON (use free contact, close on L to activate)
2 Input for remote control HEATING ON (use free contact, close on L to activate)
3 Input for remote control ECO (use free contact, close on L to activate)
3W 3-way valve control output
4 Input for remote control NIGHT (use free contact, close on L to activate)
5 Remote control common inputs (connected N)
8 Input from SMART GRID or photovoltaic FTV1 (use free contact, close on L to activate)
9 Input from SMART GRID or photovoltaic FTV2 (use free contact, close on L to activate)
14 15 External heat source activation (free contact 3A 250VAC output)
16 17 Alarm activation (free contact 3A 250VAC output)
24 25 External air temperature sensor
26 27 Domestic water accumulation temperature sensor
A B Communication port RS485 for domotic SIOS CONTROL
C1 Domestic hot water compressor condenser
CAN Not available
DHW Input for remote control SANITARIO (use free contact, close on L to activate)
EH1 Electric heater 1
EH2 Electric heater 2
J3 Domestic hot water flow switch input
J10 Main flow switch input
K1 Safety device for electric heater EH1
EN - 28
3 x 0,5 mm screened, suitable for data transmission (LiYCY
2
type or equivalent)
H03RN-F 2 G 0,5 / H03VV-F 2 G 0,5
SHERPA AQUADUE S2 E SMALL
3 X H07V-K 4 mm2
S2 E 4 S2 E 6
H07RN-F H07RN-F
3 G2,5 3 G2,5
S2 E 8 S2 E 10
H07RN-F H07RN-F
3 G2,5 3 G2,5