8
IOM 81, Issue 2 - Modulo Thermostat
Unscrew the screw, remove the cable cover and connect the electric as described.
Refi t the base and fasten with screw.
Switch on mains voltage and place
SPC Modulo in operation.
Never remove front cover while
Modulo is connected to power.
This will result in damage
to the thermostat.
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IOM 81, Issue 2 - Modulo Thermostat
3.2 Sample Wiring
4. Setup
4.1 Setup Procedure
Install device
Install the device as described (See “Sample wiring”).
A wiring diagram will be supplied with the heating unit that the Modulo is intended to control. This shows
the wiring required between the Modulo and the heater.
Set Functions
Assign a switching output to the respective function via the “Expert” menu in the “Settings” menu item
under “Functions” and parameterize it (See “Settings Functions”).
0-10V
0-10V
GND
Fan GND
Fan 0-10V
Valve 24VAC L’ / 24VDC +’
Valve 24VA N’ / 24VDC -’
Supply 24VA L / 24VDC +
Supply 24VA N / 24VDC -
Relay
24V out
L’
AC
N’
+’
DC
-’
L’
AC
N’
+’
DC
-’
Fuse
24V in
