Buffalo DW467 Instruction Manual page 16

Converting Single phase 30A to Three Phase 12.2A
For this conversion you will need the 2 x Cable Bridge (Grey) and 1 x Power
supply cable 5x2.5mm supplied.
1. REMOVE THE TWO WHITE CABLES FROM THE RIGHT SIDE OF THE HEATING
ELEMENT OF THE BOILER AND PUT TWO 2,5mm2 CABLES TO BRIDGE THE
RIGHT SIDE OF ELEMENT TO MAKE A STAR CONNECTION.
2. REMOVE THE TWO WHITE CABLES FROM THE CONTACT 5
OF THE TWO RED CABLES FROM THE CONTACT 1
POSITION OF THE GREY CABLE FROM THE CONTACT 3
THE TWO BLUE CABLES FROM THE CONTACT 6
BROWN CABLES FROM THE CONTACT 2
THE GREY CABLE FROM THE CONTACT 4
3. REPLACE THE POWER SUPPLY CABLE FROM 3X10mm2 TO 5X2,5mm2
4. REMOVE ONE BLUE CABLE OF CONTACT
FROM CONTACT
ATTENTION
THE BLUE CABLES THAT YOU MUST DISCONNECT ARE THESE THAT
WERE REMOVED FROM THE MAGNETIC CONTACTOR (CONTACT 6
Power
Supply Cable
3 x 10mm2
4.
TO 3
L1 L2.
TO 5
L2
SWITCH ONE OF THE TWO
T3.
TO 4 CHANGE THE POSITION OF
T1 T2.
TO 6
T2 T3.
5
AND ONE BLUE CABLE
Power Supply
Cable 5 x
2.5mm2
. SWITCH ONE
L3
CHANGE THE
REMOVE
L3.
).
T3