6 Electrical installation
Installation manual
19
ETVH/X16S18+23EA6V+9W
Daikin Altherma 3 H HT F
4P644728-1 – 2021.02
If Smart Grid pulse meter is… Then [9.8.8] Limit setting kW
is…
Used
([9.A.2] Electricity meter 2 ≠
None)
Not applicable
Not used
([9.A.2] Electricity meter 2 =
None)
Applicable
In case of low voltage Smart Grid contacts
Wires (Smart Grid pulse meter): 0.5mm²
Wires (low voltage Smart Grid contacts): 0.5mm²
[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 low voltage contacts is as
follows:
1413
S11S
65
S4S
43
X5M
S10S
109
a
2 1
a Jumper (factory-mounted). If you also connect a safety
thermostat (Q4L), replace the jumper with the safety
thermostat wires.
S4S Smart Grid pulse meter
/S10S
Low voltage Smart Grid contact 1
/S11S
Low voltage Smart Grid contact 2
1 Open the following (see "4.2.1To open the indoor unit"[45]):
1 Top panel
2 User interface panel
3 Upper switch box cover
2 Connect the wiring as follows:
A
X5M.4
X5M.3
S4S
X5M.10
X5M.9
S10S
X5M.6
X5M.5
S11S
2
1
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)