DencoHappel MATRIX OP21C Operation Manual page 57

MATRIX control panel
Time format submenu
Time format
12-hour display
24-hour display
Automatic summer time submenu
Automatic summer time
Enabled
7.21.5 Settings submenu
Settings
Set bypass time
Economy mode
Calibrate discharge
Supply temperature limits
Set bypass time submenu
Set bypass time
Time in minutes
PR-2011-0110-GB • Subject to modifications • R9-03-2016
In the "time format" submenu you can set the time format to be displayed.
Value range: Time display in 12-hour or 24-hour format
Factory setting: 24-hour
The "Automatic summer time" submenu allows you to automatically switch over
to summer time. Enabling this feature means that the time is automatically set for-
ward in spring and back in autumn.
Value range: Enabled, disabled
Factory setting: enabled
Entries of the functional parameters are made in the "settings" submenu:
– to set the bypass time after switching into the economy mode
– to assign setpoint values for the economy mode
– for the calibration of the discharged air (secondary-air louvre)
– to set limits for supply-air temperature in the heating and cooling mode
– to select MA (mixed-air) damper position
– For the air flush function
– to specify standby temperatures
– for the minimum outside-air rate
– for the activation/deactivation of the fan minimum speed.
You can set the bypass time in the "Set bypass time" submenu. This is the time
when the DencoHappel HVAC equipment is operated in normal operation (day
operation), even though an external control was switched over from economy
mode (night operation) or standby. The external control system can comprise the
following:
– digital input on the controller
– digital input module MATRIX.DI
– MATRIX.Clock module
– MATRIX.LON module
If needed, the bypass can be enabled for the time set by the user.
Value range: from 30 to 240 minutes
Factory setting: 120 minutes
Operating MATRIX control panel
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