Daikin EPRA10EAV3 Installer's Reference Manual page 136

9 | Electrical installation
Installer reference guide
136
[9.8.4]=3 (Benefit kWh power supply = Smart grid)
[9.8.5] Smart grid operation mode
[9.8.6] Allow electrical heaters
[9.8.7] Enable room buffering
[9.8.8] Limit setting kW
The wiring of the Smart Grid in case of high voltage contacts is as follows:
X1 M 2 23
A1
A2
N L N L K1A
2 1
STEP 3
STEP 1 Smart Grid relay kit installation
STEP 2 Low voltage connections
STEP 3 High voltage connections
1
High voltage Smart Grid contact 1
2
High voltage Smart Grid contact 2
a, b Coil sides of relays
c, d Contact sides of relays
e Jumper (factory-mounted). If you also connect a safety thermostat (Q4L), replace
the jumper with the safety thermostat wires.
f Smart Grid pulse meter
1 Install the switch box metal insert.
1
2 Loosen the cables connected to the terminal of the Smart Grid relay kit
(EKRELSG) and remove the terminal.
X 5M 1
25 24 25 4 3 6 5
A1
A2
K2A K1A K2A
a b c d
STEP 1
2
3
X 5M 1
8 7 10 9
S4S
e f
STEP 2
EPRA08~12EAV3+W1 + ETSH/X(B)12P30+50EF
Daikin Altherma 3 H MT ECH₂O
4P663478-1B – 2022.07