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R2KA 34 /20 - RAD - ING - Inst.Manual - 2002.1_CSA
1. INSTALLATION
INST
ALLER
1.1.17. POWER SUPPLY
To power the boiler connect the electrical cables
to the terminal inside the control panel as follows:
DANGER
Cut off the voltage from the main switch.
› remove the boiler's front casing (refer to 2.2.13
ACCESSING THE BOILER).
› loosen the two screws and remove the plate “A”
(see fig. 15).
› after removing the plate, connect the electrical
cables to terminal “B” (see fig. 15):
· the yellow/green cable to the terminal marked
with grounding symbol “
”.
· the blue cable to the terminal marked with
“N”.
· the brown cable to the terminal marked with
“L”.
After performing these operations, remount plate
“A” and the front casing.
Note: A 3-prong plug is provide with every unit and
the above wiring has been performed.
L
N
Se
Se
A
Ta
Ta
B
INSTALLATION
fig. 15
WHITE
YELLOW/GREEN
BLACK