6 Electrical installation
Installation manual
25
EHVH04+08SU18+23EA
Daikin Altherma 3 R F
4P629088-1C – 2021.11
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): 0.5mm²
Wires (high voltage Smart Grid contacts): 1mm²
[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
STEP 1 Smart Grid relay kit installation
STEP 2 Low voltage connections
STEP 3 High voltage connections
High voltage Smart Grid contact 1
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:
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)
B
A
B
X5M
5 6 9 10
1 2 3 4
K1A K2A
b b
X10M
a
2 Connect the low voltage wiring as follows:
3 Connect the high voltage wiring as follows:
A
X10M.1
X10M.2
X10M.3
X10M.4
L
N
L
N
2
1
High voltage Smart Grid contact 1
High voltage Smart Grid contact 2