Daikin EWAA0116DAW1P - Page 42

5 | Operation
User reference guide
42
EWAA011~016DA + EWYA009~016DA
Packaged air-cooled water chillers
and packaged air to water heat pumps
4P620246-1B – 2023.11
Zone Go to …
Additional zone – Heating [3.5] Additional zone > Heating
WD curve
Additional zone – Cooling [3.6] Additional zone > Cooling
WD curve
INFORMATION
Maximum and minimum setpoints
You cannot configure the curve with temperatures that are higher or lower than the
set maximum and minimum setpoints for that zone. When the maximum or
minimum setpoint is reached, the curve flattens out.
To fine-tune the weather-dependent curve: slope-offset curve
The following table describes how to fine-tune the weather-dependent curve of a
zone:
You feel … Fine-tune with slope and
offset:
At regular outdoor
temperatures …
At cold outdoor
temperatures …
Slope Offset
OK Cold ↑ —
OK Hot ↓ —
Cold OK ↓ ↑
Cold Cold — ↑
Cold Hot ↓ ↑
Hot OK ↑ ↓
Hot Cold ↑ ↓
Hot Hot — ↓
To fine-tune the weather-dependent curve: 2-points curve
The following table describes how to fine-tune the weather-dependent curve of a
zone:
You feel … Fine-tune with setpoints:
At regular outdoor
temperatures …
At cold outdoor
temperatures …
Y2
(a)
Y1
(a)
X1
(a)
X2
(a)
OK Cold ↑ — ↑ —
OK Hot ↓ — ↓ —
Cold OK — ↑ — ↑
Cold Cold ↑ ↑ ↑ ↑
Cold Hot ↓ ↑ ↓ ↑
Hot OK — ↓ — ↓
Hot Cold ↑ ↓ ↑ ↓
Hot Hot ↓ ↓ ↓ ↓
(a)
See "5.8.22-points curve"[439].