• 12 •
12h/0h
6h
9h 3h
12h/24h
18h
21h 15h
50
2272
(3241):
(2271):
(2272):
(3244):
(3245):
30
2271
CLIMATIC RT_UNITARY-IOM-1508-E
AIR MANAGEMENT
HUMIDITY SET POINT (OPTION)
Function
The CLIMATIC offers in option, the possibility to manage the relative humidity. The controller is programmed to maintain an humidity
as comfortable as possible with the most economic usage of the unit.
Description
The relative humidity is maintained between 2 thresholds (a minimum threshold corresponding to the point of humidifi cation and a
maximum threshold corresponding to the point of dehumidifi cation).
During dehumidifying mode:
• The fan speed is forced on low speed threshold (2329).
• If the Outside humidity is high (> dehumidifying setpoint (2271) - 10.0%hr) then Free-Cooling or Free-Heating is disabled and
the fresh air damper is closed.
During Humidifi cation mode:
• If the outside humidity is low (<humidifying setpoint (2272) + 10.0%hr) then Free-Cooling or FreeHeating is Disabled and the
damper is closed.
Settings
The different settings to adjust the fl ow control are available in the menu:
The dehumidifi cation is ensured by the compressors in cooling mode or during the dead zone.
Note that if this function is activated, priority is given to the romm humidity contrôol instead of the room temperature control.
The humidifi cation is ensured by a 0/10V signal controlled by a PI algorithm.
The humidifi cation and deshumidifi cation thresholds can be specifi ed according to the scheduling and can take different mode for each
schedule mode (Night, Day, Day I, Day II and BMS).
Humidity mode
Humidifi cation
Dead zone
Dehumidifi cation
Ambient humidity % (HR)
Day mode
60
Night mode
20
Day mode
60
Day I mode
50
Day I mode
50
Night mode
20
Day II mode
30
Setpoint to activate function
set point of dehumidifi cation
set point of humidifi cation
integral time control for dehumidifi cation
integral time control for humidifi cation
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