VAV – Module NMV-D2M
N-D1.2 ‘Level 3’ function check
Level 3 -
Function check
Preconditions:
- 24 V power supply
- damper function
- supply pressure present
checked and OK
Bus cabeling:
- check conditions
checked and OK
Connect tool
*)
:
- connect PC Tool
- select address of NMV-
D2M to be tested
Activate 'Test' function
(menu option 'Service')
Reaction:
NMV-D2M follows
Test-Sequence
Actautor still
stationary
Level 3
Function Check
Continue with whole
system test if necessary
Contact the manufacturer
Possible cause:
Damper blade jammed
- check free movement of
damper by hand
- correct the fault
Test
Possible cause:
The required NMV-D2M has a
different address
- compare the Serial No. in
the actuator identifier with
the Serial No. on the NMV-
D2M
-> change to the required
NMV-D2M, repeat the test
Test
NMV-D2M follows
Test-Sequence
Actautor still
stationary
Remember that, in bus mode, no tools may
be connected to the communication socket