Hitachi CSNET MANAGER XT Installation And Operation Manual page 67

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The temperature difference is calculated as follows:
2 Tubes:
CSNET WEB takes into account all the indoor units which depend on the same cooling circuit. CSNET then calculates in the
following way:
Temp diff. (1) = Air inlet temperature (1) - corrected temperature (1)
Temp diff. (2) = Air inlet temperature (2) - corrected temperature (2)
....
Temp diff. (n) = Air inlet temperature (n) - corrected temperature (n)
Temp diff. = (Temp diff. (1) + Temp diff. (2) + ... + Temp diff. (n)) / n
Where:
Air inlet temp (i) = Air inlet temperature selected (consult the section
for more information).
Corrected temp (i) = Temperature shown in the remote control or selected by CSNET (if the indoor unit does not have a remote
control) (see the section
for more information).
Temp diff. (i)
n = Number of indoor units connected to the same outdoor unit.
Temp diff. = Average of the temperature differences of all the indoor units.
3 Tubes
CSNET will only make this calculation for the indoor units in Auto mode. Thus CSNET makes independent calculations for each
indoor unit:
Temp diff. = Air inlet temp. - Corrected temp.
Where:
Air inlet temp = Air inlet temperature selected (consult the section
for more information).
Corrected temp = Temperature shown in the remote control or selected by CSNET WEB (if the indoor unit does not have a
remote control) (see the section
for more information).
Temp diff. = Temperature difference between the air inlet temperature and the setting temperature of the indoor unit.
After calculating the operation mode which the units should use, and taking into account the conditions established as indicated
in
, CSNET will send the order to all the affected units.
N O T E
61
PMML0409A rev.1 - 10/2016

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