Daikin EWAA016DAV3P - To Connect a Smart Grid

9 | Electrical installation
Installer reference guide
100
EWAA011~016DA + EWYA009~016DA
Packaged air-cooled water chillers
and packaged air to water heat pumps
4P620242-1 – 2020.06
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.
NOTICE
Error. If you remove the jumper (open circuit) but do NOT connect the safety
thermostat, stop error 8H-03 will occur.
9.2.12 To connect a Smart Grid
This topic describes 2 possible ways to connect the outdoor 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
[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: