1. ABB i-bus® KNX Valve Drive Actuator VAA/A 6.24.1

2. Valve Drive Actuator VAA/A 6.24.1

3. Valve Drive Actuator VAA/A 6.24.1
General
Can be used for the control of 24 V thermoelectric valve drives, e.g. TSA/K 24.1
Suitable for installation in heating circuit distribution systems  Safety class II; SELV
Control of floor heating systems

4. Valve Drive Actuator VAA/A 6.24.1
Advantages
Convenient heating regulation
Powered with 230 V AC (mains plug), output 24 V AC
Application of triacs ensures silent switching
Valve drives are connected with screwless, plug-in / clamping terminals

5. Valve Drive Actuator VAA/A 6.24.1
Technical information
6 channels
4 valve drives per channel
up to 13 valve drives per device
Channel-by-channel selection of the method of operation between using either on/off or continuous control
Monitoring of the communication objects Actuating value with emergency program
Forced mode communication objects for each channel
Summer mode with valve protection program
Calculation of the maximum continuous actuating value
Flow control of a boiler
Release function for the valve drives after connecting to mains supply
All outputs are protected against short circuit and overload
Fuse 2A slow-blow
Mounting directly on the wall or on a mounting rail

6. Valve Drive Actuator VAA/A 6.24.1
Circuit diagram
 230 V mains connection
 Connections (1-6) for valve drives
 KNX bus connection terminal
 Power on indicator, power LED
 Fuse indicator, Fuse LED
 Channel LED (1-6)
 KNX programming button
 KNX programming LED
 Fuse

7. Valve Drive Actuator VAA/A 6.24.1
Technical data
(1)
Supply
Mains voltage
230 V AC (+10/-15 %), Hz
Maximum power consumption
50 W
No-load power consumption
3 W
Leakage loss
18 W
Outputs
Number 6
Type
Triac
Output voltage
24 V AC (+/-20 %), Hz
Output current per channel
Maximum 1 A
Fuse
T2A, common for all outputs

8. Valve Drive Actuator VAA/A 6.24.1
Technical data
(2)
Maximum number of connectable electrothermal valve actuators
Number 13
Per channel 4
Connections
KNX
Bus connection terminal
Valve actuator (6) connection
Plug-In terminal
1.0…1.5 mm2 stranded
0.5…1.5 mm2 solid
Operating and display elements
LED green
Power on indicator
LED red
Fuse defective indicator
LED red (6)
Channel on indicator
KNX programming LED
Programming mode indicator
KNX programming button
Assignment of the physical address

9. Valve Drive Actuator VAA/A 6.24.1
Technical data
(3)
Release function
After switch on
10 minutes
Valve protection program
In summer mode
Once a day for 6 minutes
Emergency program
With bus voltage failure
8 minutes on and 40 minutes off
Enclosures
IP 20
To DIN EN 60529
Safety class II
To DIN EN 61140
Isolation category
Overvoltage category
III to DIN EN
Pollution degree
2 to DIN EN
Temperature range
Operation
-5 °C…+50 °C
Storage
-25 °C…+60 °C
Ambient conditions
Maximum air humidity
75 %

10. Valve Drive Actuator VAA/A 6.24.1
Technical data
(4)
Design
Surface mounted device
Wall-mounted or on mounting rail
Dimensions
70 x 75 x 302 mm (H x W x L)
Mounting position
As required
Weight
1.700 kg
Housing, colour
Plastic housing, grey
Approvals
KNX to EN , -2
CE mark
In according with the EMC guideline and low voltage guideline
Application program
Number of communication objects
Max. number of group addresses
Max. number of associations
Valve Drive Actuator 6f 24 V/1.1 20 66