5 | Operation
User reference guide
24
EWAA011~016DA + EWYA009~016DA
Packaged air-cooled water chillers
and packaged air to water heat pumps
4P620246-1B – 2023.11
5.5 Reading out information
To read out information
1 Go to [8]: Information.
Possible read-out information
In menu… You can read out…
[8.1] Energy data Produced energy, consumed electricity,
and consumed gas
[8.2] Malfunction history Malfunction history
[8.3] Dealer information Contact/helpdesk number
[8.4] Sensors Room temperature, outside
temperature, leaving water
temperature,…
[8.5] Actuators Status/mode of each actuator
Example: Unit pump ON/OFF
[8.6] Operation modes Current operation mode
Example: Defrost/oil return mode
[8.7] About Version information about the system
[8.8] Connection status Information about the connection
status of the unit, the room thermostat
and WLAN.
[8.9] Running hours Running hours of specific system
components
5.6 Space heating/cooling control
5.6.1 About space heating/cooling control
Controlling space heating/cooling typically consists of the following stages:
1 Setting the space operation mode
2 Controlling the temperature
Depending on the system layout and installer configuration, you use a different
temperature control:
▪ Room thermostat control
▪ Leaving water temperature control
▪ External room thermostat control
5.6.2 Setting the space operation mode
About space operation modes
Your unit can be a cooling or a heating/cooling model:
▪ If your unit is a cooling model, it can cool down a space.
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