Operation and Maintenance Manual, OnyX Sky Heat Recovery Units, 2022/01
Frapol Sp. z o.o. reserves the right to introduce changes without any prior notice.
Page
50
•
Advanced control panel (optional equipment)
The menu allows you to set up operation schedules for the HRU.
The
Schedules
parameter in the menu
Operating mode → Schedules
is responsible for changing the HRU's operating modes at the preset time. Set the parameter to
Yes
.
For the selected day of the week
Monday-Sunday,
up to 5 operation ranges
(Time 1-Time 5
) of air ventilation unit can be
set up. For each range, use parameters
Start
,
Stop
(hours and minutes) to set the time of schedule activity, and select
the operating mode for the HRU in the preset time.
Use
to select one time range setting for the remaining days of the
week.
All settings for the schedule can be cleared with the [Reset] button.
NOTE
The preset schedule uses the internal memory and it will not be erased after a power failure.
8.7
Operating modes
To set the main operating mode and additional operating modes for the controller, according to which the control will
be performed, go to:
Menu → Operating modes
•
HRU
operating mode
–
setting an operating mode for the HRU. Setting the
Downtime
operating mode will stop
the device
–
only the protective functions will work. This mode can be used, for example, to prevent unpleasant
odours penetrating from the outside. There are more additional modes
Mode 1, Mode 2, Mode 3 and Mode
4
for setting the individual temperature setpoints with the use of parameter Pre-set temperature, and supply
and exhaust air flows.
•
Additional operating status
–
activation of an additional, temporary operating status of the HRU:
Out-of-
home
,
Party
or
Airing
. Select
OFF
to disable the effect of the additional operating status on the ventilation
system.
Positive
pressure function (fireplace, hood)
–
press to
Enable
or
Disable
the positive pressure function. When the
function is activated, the control of the exhaust fan will be dependent on the supply air flow and preset difference
of air flows in the
Speed
parameter. This operating mode is recommended for the ventilation system working in
combination with a fireplace with a closed combustion chamber, and a kitchen hood, as it is necessary to reduce
the value of the extract air fan in relation to the value of the supply air fan.
[Basic]
The parameter is available in
the menu:
Unit Operating mode
→
Operating statuses settings
→
Positive pressure mode settings
The parameter is not available when the
Unit operating mode
is set to
Downtime.
[Advanced panel]
This parameter
is not available when the
HRU operating mode
is set to
Downtime
.
Additional operating statuses
For settings related to additional controller operating statuses during which you can change the control status of the
air handling unit for a certain period of time call:
•
Basic
Panel
–
Unit operating modes
→
Operating statuses settings
•
Advanced
Panel
–
Operating statuses settings
→
Time mode settings
Additional operating statuses allow for setting the working mode of the unit, which will be most suited to the user’s
preferences.
