Belimo NMV-D2M - N-P1.3 VAV-;CAV-Box No Supply Pressure Fault

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4A1PC-T V2.1 NMV-D2M-EN 11-02-04.doc PM VAV - Subject to technical changes
VAV – Module NMV-D2M
- Connecting active sensors
Start point: DC 0.0 V The range of adjustment corresponding
to the working range of the sensor.
Stop point: DC 10...32 V
N-E2.2 Mode
2 ... 10 / 0 ... 10 V / variable
Variable settings are displayed in this field or can be reset by 2 ... 10 / 0 ...
10 V settings. Variable settings are made in the field above.
See 4. NMV-D2M Product Information for further information.
N-E2.3 Direction of rotation, damper opening
Depending on the design of the air box the manufacturer sets the direc-
tion of rotation of the damper accordingly. The direction of rotation de-
pends on the open position of the damper.
Setting:
cw clockwise (looking on the damper spindle)
ccw c
ounterclockwise (looking on the damper spindle)
Direction of rotation
An incorrect direction of rotation setting will cause the
air box to malfunction.
!
Practical tip – Damper open
Shortage of air due, for example, to excessively low
supply pressure / fan fault: The VAV unit damper is
100% open and stays so while Setpoint > Actual value