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Electrical installation
Installer reference guide
147
ERLA11~W1 + EBSH/X(B)11+16P30+50DF
Daikin Altherma 3 R ECH₂O
4P663482-1A – 2021.11
NOTICE
Make sure to select and install the safety thermostat according to the applicable
legislation.
In any case, to prevent unnecessary tripping of the safety thermostat, we
recommend the following:
▪
The safety thermostat is automatically resettable.
▪
The safety thermostat has a maximum temperature variation rate of 2°C/min.
▪
There is a minimum distance of 2 m between the safety thermostat and the
3‑way valve.
NOTICE
Error.
If you remove the jumper (open circuit) but do NOT connect the safety
thermostat, stop error 8H-03 will occur.
INFORMATION
ALWAYS configure the safety thermostat after it is installed. Without configuration,
the unit will ignore the safety thermostat contact.
9.3.13 To connect a Smart Grid
This topic describes 2 possible ways to connect the indoor unit to a Smart Grid:
▪
In case of low voltage Smart Grid contacts
▪
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
Summary of Contents for Altherma 3 R ECH2O
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