MAXinBOX FC 0-10V FAN
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37
37
Mode orders
Figure 18
Change mode when Fan Coil is On: 2 pipes (“Both”).
t
change
< t
deactivation
. Fan Speed=Vp when valve closes.
Figure 19
Change mode when Fan Coil is On: 4 pipes.
t
change
> t
deactivation
. Fan Speed=Vp when valve closes.
FC MODULE
t
On.
Cooling mode.
Heating
Control Variable
(heating)
V
≥
Offset1
Fan
Speed = 0%
t
deactivation
cooling
Valve Control =
Close
Valve Control =
Open
Fan
Speed V>0%
Cooling
Valve Control =
Close
Fan Speed = Vp
Cooling
(status)
Heating
(status)
t
change mode
t
activation
heating
t
deactivation
heating
No further actions
because “Control
Variable (heating)” = 0%
FC MODULE
t
On.
Heating mode.
Cooling
t
deactivation
heating
Valve Control
(Heating) = Close
Valve Control
(Cooling) = Open
t
activation
cooling
Fan
Speed V>0%
Heating
Fan
Speed = 0%
Valve Control
(Cooling) = Open
Fan
Speed = Vp
Control Variable
(cooling)
V
≥
Offset1
Cooling
(status)
Heating
(status)
t
change mode
t
deactivation
cooling