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Electrical installation
Installer reference guide
134
EPRA08~W1 + ETSH/X(B)12P30+50EF
Daikin Altherma 3 H MT ECH₂O
4P663478-1 – 2021.07
[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:
B
A
B
X 5M
1
A
X 5M.4
1
X 5M.3
1
S4S
X 5M.10
1
X 5M.9
1
S10S
X 5M.6
1
X 5M.5
1
S11S
2
1
3 4 5 6
9 10
7 8
2
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
Summary of Contents for Altherma 3 H MT ECH2O
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