Lennox CLIMATIC series User Manual

• 21 •
12h/0h
6h
9h 3h
24h/212h
21h 15h
18h
12h/0h
6h
9h 3h
24h/12h
18h
21h 15h
(3853) (3854)
(2823)
(3822)
CLIMATIC RT_UNITARY-IOM-1508-E
COMPONENTS
CO
2
air quality sensor (optional)
The CLIMATIC offers a solution to optimise the air quality through to a CO
2
sensor.
The activation of the air quality control can be specifi ed according to the scheduling and can take different value for each schedule
mode (Night, Day, Day I, Day II and BMS) in the menu (3851).
Air quality (ppm)
Fresh air opening (%)
The CLIMATIC controls the fresh air damper to maintain a fi ne air quality in the room place. The damper is moving from the minimum
setting (2823) to the maximum setting (3822) according to the minimum air quality (3853) and the maximum air quality (3854). If
the air quality reach a level set in (3855) the alarm is activated.
Day mode
YES
Night mode
NO
Day mode
YES
DayI mode
YES
DayI mode
NO
Night mode
NO
Night mode
NO
Free cooling - Free heating
From a room temperature need (Capacity Factor) the damper opens according to a proportional rule on the blowing tempera-
ture, 0% need = Minimum fresh air (2823) and 100% need = maximum opening threshold (3822)
The user may choose to limit the fresh air damper operation with contacts or set points modifi cation (see § above). The outdoor
temperature or humidity value may also limit the opening.
The free cooling or the free heating activation 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) in the menus (3831) and (3841).
Day mode
YES
Night mode
NO
Day mode
YES
DayI mode
YES
DayI mode
YES
Night mode
NO
Night mode
NO

Lennox CLIMATIC series Specifications

General

Brand	Lennox
Model	CLIMATIC series
Category	Controller
Language	English