Hitachi YUTAKI M RASM-2VRE Instruction Manual page 43

UNIT CONTROLLER
12.2 MAIN SCREEN
Depending on the working mode of the user controller, the main
screen is shown in a different way. When the user controller is
working as a master unit controller, a comprehensive view with
all the elements is shown, whereas when the user controller is
working as a room thermostat (located in one of the controlled
zones), the main screen appears with simplified information.
12.2.1 Comprehensive view





Time and date

The current time/date information is displayed. This
information can be changed on the configuration menu
Operation mode (Heating / Cooling / Auto)

This icon shows the unit's mode of operation status. It has to
be edited by pressing the OK button, and it can be switched
between Heating, Cooling and Auto mode (If enabled option).
Control of circuits 1 and 2

It displays the setting temperature calculated for each circuit
and a throughput icon indicating the percentage of the actual
temperature with respect to the setting temperature. It can
also show the ECO mode and timer activation if they are
enabled.
The setting temperature can be modified using the arrows
keys over this view (if Water calculation mode is set as "Fix").
Pressing the OK button, the following options are shown:
- Timer: In this menu, simple timer or schedule timer can
be selected and configured.
- OTC: OTC Setting temperature (User can only refer to
the OTC mode and its setting temperature value)
Comfort/ECO: Selection between Comfort and ECO mode.
-
- Status: Some working conditions can be consulted.
DHW control

It displays the setting temperature calculated for DHW and
a throughput icon indicating the percentage of the actual
temperature with respect to the setting temperature. It can
also show the operation of the electrical heater of the DHW,
the timer activation and the DHW boost if they are enabled.
The setting temperature can be modified using the arrows
keys over this view.
23 PMML0506 rev.2 - 01/2021
Pressing the OK button, the following options are shown:
- Timer: In this menu, simple timer or schedule timer can
be selected and configured.
- DHW boost: It activates the DHW heater for an
immediate DHW operation
- Status: Some working conditions can be consulted.
If anti-legionella operation is working, its icon appears below
the setting temperature.
Swimming pool control

It gives information about the swimming pool setting
temperature and displays a throughput icon indicating the
percentage of the actual temperature with respect to the
setting temperature.

The setting temperature can be modified using the arrows
keys over this view.
Pressing the OK button, the following options are shown:

- Timer: In this menu, simple timer or schedule timer can
be selected and configured.

- Status: Some working conditions can be consulted.
Unit status signals

This part of the screen displays all the notification icons that
offer general knowledge on the unit's situation
.
Some of these icons can be: Defrost operation, Water
pumps, Compressor/s, Boiler working, Tariff input, Test run,
Night Shift...
Outdoor temperature / Alarm indication

In normal operation, the outdoor temperature is displayed
besides the home icon signal.
In abnormal operation, the alarm icon is indicated with its
corresponding alarm code.
Available buttons / Installer mode

It indicates the buttons of the user controller which can be
used in that moment.
When Installer mode is enabled, its icon appears on the right
side of this view.