Safety Instructions; Regulations; Installation - Vaillant vrnetDIALOG 820 Manual De Instrucciones

3.1

Safety instructions

Danger
Live connections can cause electro-
cution. Before working on the appli-
ance, turn off the power supply and
secure against restart.
3.2

Regulations

Follow the regulations issued by the electrici-
ty suppliers in your country.
4

Installation

• Press down the catch on the bottom of the
box, using a screwdriver if necessary.
• Pull the lid forward.
Installation Manual for vrnetDIALOG
Safety instructions and regulations 3
Fig. 4.1 Opening the housing
If the module slot is not used, remove the cir-
cuit board from the housing supplied and
install it in the switch box of the appliance
electronics.
Otherwise, leave the circuit board in the hous-
ing provided.
This is how to remove the circuit board:
Installation 4
GB 7