Install The Power Supply; Install The Resistors - Fermax 6078 Manual De Instrucciones

3. Install the power supply

Din rail installation
Installing
Checkings
Plug installation wires and power on the system. Measure voltages.
Reading must show 18 Vdc between wires '+' and '-'.
There must be no voltage between 'L' and any other wire.
L

4. Install the Resistors

Connect a 10KOhms resistor between '+' and 'L' wires in the furthest point (or points)
from the Outdoor Panel.
Checkings
L
18 Vdc
Pag 18
+
18Vdc
-
0 Vdc
1- Brown
2- Black
3- Orange
4- Gold
-
18 Vdc must be readed in the whole installation.
Uninstalling
-
L
0 Vdc
Fixing with screws
+