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NT-50907601-KUBAIR-F400-ECOWATT-AN-191025
For information: The flow rate is proportional to the speed of rotation.
Q
v2
= Q
v1
x
(
N
2
)
Where N is the speed of rotation.
N
1
Speed adjustment 0 / LS / HS (adjustable LS)
The adjustment can be done by a BCCA type 2S 0 / LS / HS switch.
The low speed is adjusted with the controller potentiometer.
The high speed is the roof fan speed with a control signal of 10V.
Speed adjustment 0 / LS / HS (adjustable LS and HS)
The adjustment can be done with a VRPZ voltage variator.
The low speed and the high speed are adjusted with the VRPZ, see VRPZ operating instructions.
Speed adjustment by Modbus BMS
The adjustment can be done with a Modbus BMS . For the Modbus connection settings, refer to § "5.2.4
Modbus connection - Connection to a BMS".
After you have wired your Modbus link:
Turn on the power to connect yourself to the controller. The roof fan wheel must be stopped.
Steps
Register numbers
Value to be entered
1 - Access to Level 1
8
1
2 - Change in the operating mode of the controller
10
2
3 - Enabling of the on/off in Modbus
13
1
4 - Saving of changes
8
10000
5 - Changing the set point
0
Between 0 and 10,000 to set the
desired speed of the roof fan, see the
table below
Fan stop
13
0
Register set point 0
KUBAIR
®
F400 ECOWATT
®
500
KUBAIR
®
F400 ECOWATT
®
630
KUBAIR
®
F400 ECOWATT
®
710
1000
150 rpm
120 rpm
125 rpm
2000
300 rpm
240 rpm
250 rpm
3000
450 rpm
350 rpm
375 rpm
4000
600 rpm
470 rpm
500 rpm
5000
750 rpm
590 rpm
625 rpm
6000
900 rpm
710 rpm
750 rpm
7000
1 050 rpm
830 rpm
875 rpm
8000
1 200 rpm
940 rpm
1 000 rpm
9000
1 350 rpm
1 060 rpm
1 125 rpm
10000
1 500 rpm
1 180 rpm
1 250 rpm
5.9 KUBAIR
®
F400 ECOWATT
®
3-phases - CAV constant flow rate control
During constant flow rate operation, the controller regulates the speed of the roof fan to obtain the flow
rate setpoint. A display installed under the cap indicates the flow rate measured in m
3
/h. The flow rate set
point can be adjusted by the potentiometer in the controller, by a CVF ON/OFF + variation remote con-
trol, by an external 0-10V output or by Modbus BMS.