Daikin EPRA10EAV3, Installer'S Reference Manual

Page: 136 / 304

9 | Electrical installation
Installer reference guide
136
EPRA08~W1 + ETSH/X(B)12P30+50EF
Daikin Altherma 3 H MT ECH₂O
4P663478-1B – 2022.07
[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:
S4S
9 10
X 5M 1 X 5M 1
7 8
K2A K1A
5 6 3 4
K1A L N L N
STEP 3
a b c d e f
STEP 1 STEP 2
A1
A2
25 24 25 23 X1 M 2
K2A
A1
A2
2 1
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
3
2 Loosen the cables connected to the terminal of the Smart Grid relay kit
(EKRELSG) and remove the terminal.