Daikin EWYA004D2V3P Installer's Reference Manual page 168

11 | Configuration
Installer reference guide
168
Allowed heaters during preferential kWh rate power supply
Do NOT use 1 or 3. Setting [D-00] to 1 or 3 when [D-01] is set to 1 or 2 will reset
[D-00] back to 0, as the system does not have a booster heater. Only set [D-00] to
the values in the table below:
[D‑00]
0
2
Smart Grid operation modes
The 2 incoming Smart Grid contacts (see
can activate the following Smart Grid modes:
Smart Grid contact
1
0
0
1
1
Free running:
The Smart Grid function is NOT active.
Forced off:
▪ The unit forces OFF the compressor and the backup heater.
▪ The protective functions (water pipe freeze prevention, drain prevention, room
frost protection) and defrost are NOT overruled (capacity will not be limited for
these functions)
Recommended on:
▪ In case the space heating/cooling request is OFF, the unit can choose to buffer
energy from the photovoltaic panels in the room (only in case of room
thermostat control) instead of putting the photovoltaic panel energy on the grid.
The room will heat up or cool down to the comfort setpoint.
▪ The goal is to buffer the energy from the photovoltaic panels. Therefore, the
capacity of the unit is limited to what the photovoltaic panels are providing:
If Smart Grid pulse meter is...
Available
Not available
▪ The protective functions (water pipe freeze prevention, drain prevention, room
frost protection) and defrost are NOT overruled (capacity will not be limited for
these functions)
Forced on:
Similar to Recommended on, but there is no capacity limitation. The goal is NOT to
use the grid as much as possible.
Emergency mode. In case emergency mode is active, buffering with electrical
heater is NOT possible in Forced on and Recommended on operation modes.
Backup heater
Forced OFF
Allowed
"9.2.12 To connect a Smart
[9.8.5] Smart grid operation
2
0 Free running
1
Forced off
0 Recommended on
1 Forced on
Decided by the unit based on the input
of the Smart Grid pulse meter.
Decided by [9.8.8] Limit setting
kW
Compressor
Forced OFF
Grid" [
mode
Then the limit is...
EWAA004~008D + EWYA004~008D
Packaged air-cooled water chillers
and packaged air to water heat pumps
4P688013-1B – 2022.09
4
97])