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Operation and configuration of packaged units
-
Correction value: Temperature corrected on changing the operation mode, to ensure greater comfort..
Š Pre set adjustment: 0.
Š 1ºC steps.
Š Margin: 0, 1, 2.
The Setting temperature is adjusted using the following formula when the operation mode is changed, depending on the
DIFF option selected:
Correction value
0
1
2
Where:
Corrected temperature: Temperature used to calculate the change of operation mode.
Setting temperature: Temperature selected by CSNET or by the remote control of the indoor unit.
?
N O T E
The remote control and the CSNET always show the corrected temperature (the result is the setting temperature).
•
Hysteresis:
-
HYSTC: Value of the temperature difference calculated to pass from heat to cool mode.
Š Pre set adjustment: + 2°C.
Š 0.1°C steps.
Š 1°C... 2°C margin.
HYSTH: Value of the temperature difference calculated to pass from cool to heat mode.
-
Š Preset adjustment: 1.3°C.
Š 0.1°C steps.
Š 1°C... 2°C margin.
•
Ta Limits:
-
MAXOAT: Maximum outdoor ambient temperature for heat operation.
Š Pre set adjustment: +20°C.
Š 1°C steps.
Š 0°C... 40°C margin.
Š MAXOAT should be higher than MINOAT.
Š MAXOAT should be lower than the dry bulb (DB) temperature equivalent to the margin of maximum outdoor ambient
temperature for the heat mode:
Š The margin of maximum outdoor ambient temperature for heat mode of the outdoor unit is 15.5 WB
Š Equivalent dry bulb temperature:
Relative humidity of 95% = 16 DB
Relative humidity of 77% = 18 DB
Relative humidity of 62% = 20 DB
Relative humidity of 50% = 22 DB, etc.
-
MINOAT: Minimum outdoor ambient temperature for cool operation.
Š Pre set adjustment: +10°C.
Š 1°C steps.
Š 0°C... 40 °C margin.
53
PMML0303A rev.2 - 02/2015
Change from cool to heat
Corrected temp = Setting temp
Corrected temp = Setting temp + 0
Corrected temp = Setting temp - 1
Change from heat to cool
Corrected temp = Setting temp
Corrected temp = Setting temp + 1
Corrected temp = Setting temp + 1
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