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6 Electrical installation
Smart Grid contact
1
2
0
1
1
0
1
1
The use of a Smart Grid pulse meter is not mandatory:
If Smart Grid pulse meter is... Then [9.8.8] Limit setting kW
Used
([9.A.2] Electricity meter 2 ≠
None)
Not used
([9.A.2] Electricity meter 2 =
None)
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:
X5M
3
4
5
6
9
10
13
14
a
2
1
S4S
S11S
S10S
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
Low voltage Smart Grid contact 1
/S10S
2
Low voltage Smart Grid contact 2
/S11S
1 Connect the wiring as follows:
A
A
B
C
Installation manual
20
Smart Grid operation mode
Forced off
Recommended on
Forced on
is...
Not applicable
Applicable
X5M.4
S4S
X5M.3
X5M.10
1
S10S
X5M.9
X5M.6
2
S11S
X5M.5
B
C
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
[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:
X10M
1
2
3
4
A1
A1
A2
A2
N
L
N
L
K1A
K2A
2
1
a
b
STEP 3
STEP 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
×2
b
×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
X5M
X5M
10
9
6
5
14
13
4
K1A
K2A
S4S
c
d
e
f
STEP 2
d
K1A
K2A
e
c
X10M
ETBH/X16E
Daikin Altherma 3 H HT W
4P644727-1B – 2022.03
3
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