Mitsubishi Electric s-MEXT-G00 006 Technical Manual page 88

TM_s-MEXT_ME28relC_00_12_19_EN
The controller adjusts following the chart below.
INCREASE speed
AUMENTO Velocità
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%.
Technical manual
Figure 10-6: Chart for positioning the pressure taps for the differential pressure sensor
NESSUNA Azione NO action
P23.67
Differential Differenziale
P23.69
Figure 10-7: Fan adjustment graph
DECREASE speed
DIMINUZIONE Velocità
Differential pressure Pressione differenziale
Differential
Differenziale
P23.69
TRANSLATION OF THE ORIGINAL INSTRUCTIONS
88