TM_s-MEXT_ME28relC_00_12_19_EN
Technical manual
TRANSLATION OF THE ORIGINAL INSTRUCTIONS
88
Figure 10-6:
Chart for positioning the pressure taps for the differential pressure sensor
The controller adjusts following the chart below.
Differenziale
P23.69
DIMINUZIONE Velocità
P23.67
AUMENTO Velocità
Pressione differenziale
NESSUNA Azione
Differenziale
P23.69
Figure 10-7:
Fan adjustment graph
During the configuration of the unit the design differential pressure value is entered.
The programme also requires the fan to have a minimum flow rate below which the controller cannot go. This value is also entered during unit configuration.
The parameters entry mask is under the
“Function” menu
accessible through the
“Factory” password
.
INFORMATION
The minimum fan speed cannot fall below the value of P23.01 - P23.68%.
Differential
Differential
Differential pressure
NO action
INCREASE speed
DECREASE speed