10.4. INITIAL TEMPERATURE SETPOINT
To set the setpoint temperature to maintain, keep the following secuence:
From the main screen the user can override by +/- 3°C this initial set point.
10.5. TIME PROGRAMMING
The controller has several clocks which allow the individual programming of: Normal Speed, Reduced
Speed and Stop.
Normal speed: corresponding to normal pressure in COP mode and to normal fl ow in CAV mode
Reduced speed: corresponding to reduced pressure in COP mode and to reduced fl ow in CAV mode
Holiday periods can be programmed; the transition to summer time is automatic. A free cooling by
night function can be programmed to start the CTA controller outside of programmed periods.
Clock parameter setting:
The programmer works for intervals (outside these intervals the fans are stopped).
The installer can thus defi ne two operation intervals in normal speed (the default speed or high speed)
and the ''reduced'' speed (low speed when two speeds are possible).
For each speed, two intervals can be entered per day.
For example:
The Normal Speed can be defi ned from
and the Reduced Speed from
Select the desired
temperature
8:00 am to 12:00 pm
and from
2:00 pm to 6:00 pm
6:00 am to 8:00 am
and from
12:00 pm to 9:00 pm
59
in period 1
in period 2
in period 1
in period 2