Indications Of Functions, Alarms And Warnings; Setting Date And Time; Weekly Schedule; Holiday Schedule - Salda MCB Technical Manual

Closing dampers
Night cooling
Critical alarm
Fire alarm
Heat exchanger frost protection activated
Change filters
Room RH 3 days average is lower than 30%. Limiting speed.
DX cooler defrosting
Fire damper testing

5.4. INDICATIONS OF FUNCTIONS, ALARMS AND WARNINGS

User about active functions, warnings or alarms is notified in the window ADJUSTER › ALARMS or USER › ALERT. Functions are displayed in the main
window ADJUSTER › VENTILATION CONTROL or in the user environment window. The table below provides indications and their descriptions.
FUNCTIONS
Working indication output
Alarm indication output
System mode switch
Custom fans speed switch
Winter
Stand-by mode blocking
activated
Slowing down fans
Slowing down fans by tem-
perature
Night cooling function acti-
vated
Hydronic pump exercise
activated
Service stop function
Holidays
Reducing CO level
2
Full recirculation

5.5. SETTING DATE AND TIME

For smooth execution of schedules, event log and winter/summer function, it is necessary to set proper date and time in section ADJUSTER › USER
SETTINGS › DATE AND TIME SET and click a button DATE AND TIME SET. It can also be indicated in user environment USER › MENU › SETTINGS › DATE AND
TIME. Fast synchronization with the computer time is possible in user and adjuster environment.

5.6. WEEKLY SCHEDULE

A weekly schedule consists of 10 weekly events. They can be added, deleted, activated and deactivated. One event indicates time, mode/BOOST
function, days of the week. Also it is possible to indicate the change of settable mode temperature.
The system changes modes according to the Weekly Schedule only when the indicated time comes, therefore a user can always change the
existing mode manually. This schedule notifies of the upcoming mode change by indicating the time remaining till the next event.
The schedule is edited in user environment USER › MENU › SCHEDULE.

5.7. HOLIDAY SCHEDULE

This schedule is used when the unit has to operate in uniform mode during holidays. The user interface shows when the schedule period is active
as nobody can change the mode activated by this function (except for protection). In order to control the system in a normal manner, the Holiday
Schedule period must be deactivated, i. e. zero values must be indicated or dates must be changed. Up to five holiday periods can be set.
The schedule is edited in the user environment USER › MENU › HOLIDAY.
6 | EN
Dampers are closed
Active night cooling
Critical failure, system is shut down (for details refer to alarms section)
Fire protection from an external contactor is activated
Heat exchanger frost protection is activated
Warning about clogged filters (pressure switches are activated or filter timer
is activated)
Reduced airflow because of too low exhaust air moisture
Dissolving the DX cooler / heater
Checking fire dampers
DESCRIPTION
Working indication output is activated
Failure indication output is activated
Switching on from an external contactor is activated
Selected fans speed from an external contactor is activated
Winter mode is active
Stand-by mode blocking is activated
Fans are slowed down
Fans are slowed down depending on supply air temperature
Night cooling function is activated
Preventive maintenance of circulation pumps is activated
Blocking of air handling unit operating algorithm; Service activities are carried out
Holiday Schedule interval is active. System mode can be changed only upon changing the Holiday
Schedule interval
CO reduction function is activated
2
Full recirculation function is activated
MCB_miniMCB v2019.1