Daikin EWAA0 DAV3P Series Installer's Reference Manual page 155

EWAA011~016DA + EWYA009~016DA
Packaged air-cooled water chillers
and packaged air to water heat pumps
4P620242-1 – 2020.06
# Code
[4.5] [F-0D]
Unit type
In this part of the menu it can be read out which type of unit is used:
# Code
[4.6] N/A
Pump limitation
Pump speed limitation [9‑0D] defines the maximum pump speed. In normal
conditions, the default setting should NOT be modified. The pump speed limitation
will be overruled when the flow rate is in the range of the minimum flow (error
7H).
# Code
[4.7] [9-0D]
The maximum values depend on the unit type:
Description
▪ 2 Request: Pump operation based on request.
Example: Using a room thermostat and
thermostat creates thermo ON/OFF condition.
Remark: NOT available in leaving water
temperature control.
a
b c
d
c
b
e
b c
a Space heating/cooling control
b Off
c On
d Heating demand (by external room thermostat
or room thermostat)
e Pump operation
Description
Unit type:
▪ 1 Cooling only
▪ 3 Reversible
Description
Pump limitation:
▪ 0: No limitation
▪ 1~4: General limitation. There is limitation in all
conditions. The required delta T control and
comfort are NOT guaranteed.
▪ 5~8: Limitation when no actuators. When there
is no heating output, the pump speed limitation
is applicable. When there is heating output, the
pump speed is only determined by delta T in
relation to the required capacity. With this
limitation range, delta T is possible and the
comfort is guaranteed.
11 Configuration
|
Installer reference guide
155