Electrical installation 5
0020159949_07 recoVAIR Installation and maintenance instructions
11
3
2
1
3
4
2
1
1
Connection 1 to GND
connection
2
Connection 2 to LED
connection
3
Connection 3 to con-
nection V+
4
Connection plug (in the
unit)
1.
Open the stage switch by removing the housing.
2.
Connect the connection cable in the connection area of
the stage switch.
–
Terminal assignment: GND connection to connec-
tion 1/LED connection to connection 2/V+ connec-
tion to connection 3
3.
Connect the connection cable to the connection plug
(4)
in the connection area for external components of the
product.
5.1.2
Installing and connecting the frost
protection element
▶
Install the frost protection element (
→
Installation instruc-
tions for the frost protection element).
5.1.3
Connecting the air quality sensors
▶
Connect the air-quality sensors in the connection area
for external components of the product (
→
Installation
instructions for the air-quality sensors).
5.1.4
Connecting the VRC 700 system control
▶
Connect the control to the eBUS connection in the con-
nection area for external components of the product (
→
System control installation instructions).
–
Connection type: eBUS line
–
Controller: Compatibility as of VRC 470/4
▶
If the DCF signal is not decoded, set the date and time
on the control (
→
System control installation instructions).
5.2
Connecting the VR 32 bus coupler
Note
If you want a system control to control other
Vaillant heat generators in addition to the product,
the VR 32 bus coupler is required.
1.
Open the product. (
→
Page 10)
Opening the electronics box
2.
Undo the screws on the electronics box.
3.
Pull out the electronics box.
4.
Open the cover on the electronics box.
X31
BUS
2
3
4
1
5.
Insert the bus coupler
(2)
in the electronics box.
6.
Use the digital cable
(1)
to connect the bus coupler
(2)
and the PCB (connection X31).
7.
Undo the eBUS cable
(3)
from the eBUS connection
(4)
on the PCB.
8.
Secure the eBUS cable
(3)
to the bus coupler.
Closing the electronics box
9.
Close the cover on the electronics box.
10. Slide in the electronics box.
11. Screw the electronics box in tight.
12. Close the product. (
→
Page 10)
13. Set the bus address for the bus coupler on the system
control (
→
System control instructions).
