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Reco-Boxx ZXR / ZXA / Flat – Operation and maintenance instructions
[03/
2022 ]
Control
The control menu will allow for the user to change basic
parameters and operation status of the unit.
The unit can be switched on/off
The fan speed can be selected; three manual
one auto speed
Post heating, post cooling and free cooling setpoints can
be changed.
Alarm
Alarms are displayed on the main screen of the HMI.
Active alarms can be viewed in this menu. All the alarms
can be reset.
A fault can be traced by examining the function or
functional component indicated in the alarm text. More
information about the individual alarms, see section 9.0
If the fault cannot be immediately remidied:
Consider whether the air handling unit can continue to
operate until the fault has been remedied.
Time schedule
The built-in timer enables you to control the AHU’s
operating mode/time. Certain other oversteering functions
such as external timer, communication, etc. affect the
preset operating modes. The controller allows 6 time slots
(channels) to be configured.
Time and date
The current date and time must be set and adjusted
after the commissioning and later on if needed. The
timer automatically takes leap years into considera-
tion.
Time schedule
Times and days can be set when the air handling
unit is to run in the high speed mode, medium speed
mode, low speed mode or be switched off. For each
day (Monday - Sunday), six different time slots can
be configured. The time slots are subsequent.
Seasonal management
The seasonal management menu allows for the de-
activation of heating coils, cooling coils and bypass
freecooling function based upon a year calendar.
In between the programmed interval, the selected
function is OFF.
7.1.2 Main menu
The main menu consists of a rotary menu with 7 icons.
