MAXinBOX FC 0-10V FAN
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Type of Fan Coil
: sets the type of the fan c
oil. The options are: “2 pipes” and
“4 pipes”. Under “2 pipes”, it is necessary to set the operating Mode:
Mode
: sets the operating mode of the fan coil system. The options are:
“Cooling”, “Heating” or “Both”. This parameter is only available for two-pipe
fan coils (in the case of four-pipe fan coils, both modes are always available).
Depending on the value of Type and Mode and according to Table 1, either
one set of objects or another will be available.
2 tubes
4 tubes
Object
Cooling
Heating
Both
[FCx] Mode and Mode (Status)
x
x
[FCx] Control Variable (Cooling)
x
x
x
[FCx] Control Variable (Heating)
x
x
x
[FCx] Valve Control
x
x
x
[FCx] Valve Control (Cooling)
x
[FCx] Valve Control (Heating)
x
Table 1
Fan Coil communication objects depending on the Type and Mode.
Note
:
the values received through
“[FCx] Control Variable (Cooling)” will
only have effect if Cooling is the current mode, while the values received
through
“[FCx] Control Variable (Heating)” will not be applied, although the
will be taken into account when the mode changes to Heating. The same
happens for the opposite case.
Please refer to
“
Annex II: Operation Examples
” for some operation
examples where these objects are received in different scenarios.
Value Sent to Open/Close Valve
: sets the values required to open and close
the valve. The options are: “0 = Close Valve; 1 = Open Valve” (by default)
and “0 = Open Valve; 1 = Close Valve”.
The following parameters define two offset values applied to fan speed control:
Minimum Control Variable Value that Activates the Fan
: from 0 to 100%
(10% by default).
