Fan Coil Actuator FCA 2
Updated: Feb-16 (subject to changes) Page
54
of
89
•
Control valves, switch on additional relay:
The following operating conditions are accepted in sequence if button B (valves) is pressed.
Table 37
Button push LED
Output
1
Cooling LED on
After 2 s [V2+] = 10 V
2
Cooling LED flashes
After 2 s [V2+] = 0 V
3
Heating LED on
After 2 s [V1+] = 10 V
4
Heating LED flashes
After 2 s [V1+] = 0 V
5
LED C1 on
After 2 s C1 on
6
All LEDs off
All outputs off
Via the delayed switching of the outputs, the user can skip the individual modes without altering
the valve setting by quickly pressing the buttons.
Figure 3
Table 38: Status display heating and cooling valve.
LED Status
Meaning
is OFF
Cooling valve is closed (0 V)
is ON
Cooling valve is open (> 0)
Flashes Cooling valve is closed (0 V)
is OFF
Heating valve is closed (0 V)
is ON
Heating valve is open (> 0 V)
Flashes Heating valve is closed (0 V)