Daikin Altherma 3 H MT F - Page 131

9 | Electrical installation
Installer reference guide
131
EPRA08~12EAV3+W1 + ETVH12SU18+23EA6V
Daikin Altherma 3 H MT F
4P644482-1 – 2021.03
3 Fix the cables with cable ties to the cable tie mountings.
In case of high voltage Smart Grid contacts
Wires (Smart Grid pulse meter): 0.5mm²
Wires (high voltage Smart Grid contacts): 1mm²
[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
34
X5MX5M
1314
K2AK1A
56910
K1ALNL
N
STEP 3
a b c d e f
STEP 1 STEP 2
A1
A2
4321X10M
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 components of the Smart Grid relay kit as follows:
a
b
c
d
e
K1A K2A
X10M
×2
×4
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)