Operation and Maintenance Instructions

Operation
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6.1.4 Time Settings
In this menu date and time can be changed as well as other system settings.
Settings for:
• Date and time
• Schedule for operating time (Example 2 & 3)
• Schedule for holiday
• Schedule for extra time groups
Each day has up to two individual running periods, set desired start and stop time.
For holidays, set the dates in Time settings > Schedule > Holiday calendar and the time in
Time settings > Schedule > Fan Low Speed/Fan Normal Speed/High Speed.
The fan speeds have different priority, if normal speed is desired 05:00-18:00 and remaining part of the day on low
speed, set the normal speed to 05:00-18:00 and low speed on 00:00-24:00.
Example 2: Schedule for normal fan speed
Time settings > Schedule > Fan Normal Speed
2022–02–04
Start
Stop
Start
Stop
Monday
(12–hour clock system)
5:00 AM 6:00 PM 12:00 AM 12:00 AM
Monday
(24–hour clock system)
05:00 18:00 00:00 00:00
In above example, the air handling unit starts at a normal fan speed at 5:00 AM (05:00) and stops at 6:00 PM (18:00).
The second running period is deactivated.
Example 3: Schedule for low fan speed
Time settings > Schedule > Fan Low Speed
2022–02–04
Start
Stop
Start
Stop
Monday
(12–hour clock system)
6:00 PM 24:00 AM 12:00 AM 5:00 AM
Monday
(24–hour clock system)
18:00 24:00 00:00 05:00
In above example, the air handling unit starts at a low fan speed at 6:00 AM (18:00) and stops at 24:00 AM (24:00).
The second running period on low fan speed is between 12:00 AM (00:00) and 5:00 AM (05:00).
214959 | A007