Page 54 - IOM / ROOF-TOP FLEXY™ Series
ADVANCE ACTIVATION OF THE
MORNING SLOT
Depending on the thermal inertia of the building or the
installation and external climatic conditions, it is possible
to advance the switch from the NIGHT slot to the
MORNING slot.
The time advanced, in minutes, is calculated using the
following formula:
Time advanced = (gradient start temperature) x inertia
coefficient
For example :
- Outside temperature 0 °C
- Gradient start temperature set to + 10 °C (i.e.
below 10 °C outside, you want to advance start-
up)
- Inertia coefficient set to 12
- Start of Morning slot set to 8h30
In these conditions the switch to the morning slot will
be advanced by: (10 - 0) x 12 i.e. 120 min.
The installation will therefore start up at 6h30 instead
of 8h30.
REGULATION OF AMBIENT AIR
Two power factors, one for cooling (Variable 116), the
other for heating (Variable 115), are calculated
according to the difference in temperature between the
SET point and the reference temperature.
The progression of these cooling or heating power
factors is limited by the temperature hysteresis and the
activation differentials between 2 stages.
If the hysteresis value is 0, the power factor concerned
is no longer limited.
See below for setting hysteresis and activation
differentials.
The power factors are periodically recalculated by the
CLIMATIC™. The integration time (set point 50) is
adjustable. This parameter should depend on the air
agitation ratio of the unit and temperature variations in
the sector to be air conditioned.
CLIMACLIMA
CLIMACLIMA
CLIMA
TIC™ PTIC™ P
TIC™ PTIC™ P
TIC™ P
ARAR
ARAR
AR
AMETERSAMETERS
AMETERSAMETERS
AMETERS
ORDER OF COMPONENTS IN REGULA-
TION
Cooling operation
Set point 55 =Off
Damper è Water coil è Compressors
Set point 55 =On
Damper è Compressors è Water coil
Heating operation
Set point 56 =Off
Water coil or electric coil è Compressors è Gas
Set point 56 =On
Compressors è Gas è Water coil or electric coil
Set point 57 =Off
Water coil or electric coil è Gas è Compressors
Set point 57 =On
Water coil or electric coil è Compressors è Gas
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