0020328020_03 Installation instructions 7
3.4 Symbols on the data plate
Symbol Meaning
Protection class III
3.5 Symbols on the data plate for
the power supply unit
Symbol Meaning
Protection class II
Use only in interior rooms
Polarity of the extra-low
voltage plug
4 Installing and setting up an
Internet connection
4.1 Checking the assembly and
installation prerequisites
▶ Check:
– WLAN signal available
– Routing and security parameters in
the IP network: Ports 80, 123 and
443 enabled for outgoing connections
– Dynamic IP addressing (DHCP)
available
– The installation site and cabling for
the Wi-Fi gateway with the heat gen-
erator is not publicly accessible
– Internet connection for permanent
Internet communication is available
– WLAN router has an activated fire-
wall
– WLAN network is encrypted, see
technical data
– eBUS line accessible, if required
– Free plug socket available, if required
4.2 Observing the installation
steps
1. Install the product as described in the
„Figures‟ appendix.
2. Ensure that all additional system com-
ponents, such as the control, are op-
erating when you switch on the Wi-Fi
Internet module.
Condition: You want to connect the product to the
Internet.
▶ Press and hold the button beside the
LED for three to ten seconds.
◁ The product is now in coupling mode
for 15 minutes.
▶ For additional instructions, follow the
myVAILLANT app.
Condition: You want to connect the product to a
compatible radio room thermostat.
▶ Briefly press the button beside the LED
once.
◁ The product is now in coupling mode
for 3 minutes.
▶ Within the next three minutes, press the
system button for the room thermostat
that is located within range.
4.3 Meaning of the LEDs
LED Status Meaning
Green Flashing The product starts.
Blue Flashing
rapidly
The product is in
WLAN coupling
mode.
Blue Lights up The product is con-
nected to the Inter-
net and is ready for
operation.
Green Lights up The product is
ready for operation
but is not connected
to the Internet.
Blue Flashing Product software is
updating.
Orange Slowly
flashing
The product is in
room thermostat
coupling mode*.
*
)
This function is not available in all coun-
tries.
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