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Electrical installation
Installer reference guide
135
EPRA14~W1 + ETSH/X(B)16P30+50EF
Daikin Altherma 3 H HT ECH₂O
4P679467-1 – 2022.02
▪
In case of high voltage Smart Grid contacts. This requires the installation of the
Smart Grid relay kit (EKRELSG).
The 2 incoming Smart Grid contacts can activate the following Smart Grid modes:
Smart Grid contact
Smart Grid operation mode
1
2
0
0
Free running
0
1
Forced off
1
0
Recommended on
1
1
Forced on
The use of a Smart Grid pulse meter is not mandatory:
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): 0.5 mm²
Wires (low voltage Smart Grid contacts): 0.5 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 low voltage contacts is as follows:
8
7
S11S
6
5
S S
10
4
3
X 5M
1
S S
4
10
9
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
1
/S10S
Low voltage Smart Grid contact 1
2
/S11S
Low voltage Smart Grid contact 2
1
Connect the wiring as follows:
