9 | Electrical installation
Installer reference guide
127
EPRA08~12EAV3+W1 + ETBH/X12EF6V+9W
Daikin Altherma 3 H MT W
4P634885-1 – 2021.03
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 components of the Smart Grid relay kit as follows:
K1A, K2A Relays
X10M Terminal block
a Screws for X10M
b Screws for K1A and K2A
c Sticker to put on the high voltage wires
d Wires between the relays and X5M (AWG22 ORG)
e Wires between the relays and X10M (AWG18 RED)
CB
X5M
X5M
K1A K2A
X10M
910 56
1 2 3 4
a
b b
2 Connect the low voltage wiring as follows:
S4S Smart Grid pulse meter