10
11
AURATON 3021
AURATON 3021 R
3.
NO
COM
NC
NC
COM
NO
wire
terminals
cover
wire
terminals
It is a typical bistable relay. The NC terminal is not used in most cases.
NOTE: Replace the plastic cover after wiring.
Battery installation / replacement
The battery socket is located inside the controller, at the front of the
enclosure. To install the batteries, remove the controller enclosure
as described in the "
Wiring your AURATON 3021
" section.
NOTE:
We recommend using alkaline bateries to supply AURATON
controllers. Rechargeable batteries should not be used because
their rated voltage is too low.
2x AAA 1,5 V
battery socket
Place two AAA 1.5V batteries in the battery socket
observing the correct polarity. ON 3021" section.
2x AAA 1,5 V
battery socket
A terminal block
An external
temperature sensor
AURATON 3021 DS / 3021 P
Connecting an external
temperature sensor.
