Danfoss Electronics spa
Air Handling
seq.- user manual
DKRCC.PS.RI.A1.02 / 520H4358 - Air Handling Seq. user manual - V 2.2
Produced by Danfoss Electronics spa Graphic Department, 10-2009
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4.3| Valve control
If b11, b41, b71 = VALVE, coil is a water coil controlled through a valve. The valve can be ON/OFF, 0/10V modulating
or 3 points valve. Depending on the type of valve to be operated, the following outputs are used:
VALVE CONTROL
Coil
Type of valve
Type of output
Output used
Coil1
ON/OFF
digital output
b1
Valve1ONOFF
0/10V
analog output
bA1
Coil1
3-points
digital output
b1O
b1C
Valve1Open to open
Valve1Close to close
Coil2
ON/OFF
digital output
b2
Valve2ONOFF
0/10V
analog output
bA2
Coil2
3-points
digital output
b2O
b2C
Valve2Open to open
Valve2Close to close
Coil3
ON/OFF
digital output
b3
Valve3ONOFF
0/10V
analog output
bA3
Coil3
3-points
digital output
b3O
b3C
Valve3Open to open
Valve3Close to close
Tab 11_ [Coils control - Valve control]
Note
*If one of the above output is
present, then it is automatically
driven by the software, without
the need of enabling it.
4.3.1|
ON/OFF and 0/10V valve control
Fig 7 _ [Coils control - ON/OFF and 0/10V valve control]
