Vaillant VRT-PZA Manual De Istrucciones página 36

A Installations instructions – 9 Electrical connection
(Fig. 8, 9, 10)
Connection to the
THERMOcompact/COMBlcompact
Please note:
The room thermostat VRT-PZA must only be connected
to the low-voltage terminals 7, 8, 9 of a Vaillant
THERMOcompact/COMBlcompact. The electrical
connection must be carried out by an authorized
installer. The connection to the terminals 7, 8, 9 of a
Vaillant THERMOcompact/COMBlcompact VC... or
VCW... is to be effected according to chap. 9.
The connection cable is introduced in the cable entry
(11).
After connecting the room thermostat to the
terminal strip (12), place it on the mounting plate
so that the blades (12b, fig. 1) are plugged into the
contacts (12a). Place the room thermostat on the
mounting plate and engage it. Set the main switch of
the THERMOcompact/COMBlcompact to „I".
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