Electrical Connections/Wiring; Power Connection; Connection To The Electricity Supply - Biasi Riva Combi Installation & Operation Instructions

12. Electrical Connections/Wiring

A
B
Figure 12.1
Removing Front Panel:
• Remove the front panel by
removing screws A and
sliding the front panel up
and away from the boiler
For the electrical connection to the boiler use electric wires which conform to local regulations. The boiler, when
installed, must be electrically bonded to ground in accordance with the requirements of the authority having
jurisdiction or, in the absence of such requirements, with the National Electrical Code, ANSI/NFPA 70 and/or the
Canadian Electrical Code Part I, CSA C22.1, Electrical Code.
• Connect the electrical supply cable coming from the fused spur isolation switch to the power
supply terminal block of the boiler (as shown in figure 12.5) keeping the same connections for
the live wire and the neutral wire
To fused spur
isolation switch
3 2
• Connect the earth wire (yellow/green). Boiler must be wired directly to earth ground on breaker
panel.
28

12.1 Power Connection:

Removing Side Panel:
B
• Remove screws B
C
D
C
• Remove screws C and D.
Removing Service Panel:

12.2 Connection to the electricity supply:

Service Man's Switch
N
L
Power supply
1 terminal block
External controls
terminal block
Figure 12.5
C
D
C
Figure 12.2
E
E
Figure 12.3
Fire - O - Matic
WARNING
Note: Do not connect live wires to
thermostat terminals 1-3.
• Move the lower part of the
side panels (figure 12.3)
and remove screws E.
• Pull the control panel.
When completely pulled
out, the panel can rotate
45° downward.
K
K
K
Figure 12.4
• Loosen screws K and
remove the service panel
(Fig. 12.4).
120 VAC
15 AMP BREAKER
RIVA COMBI MANUAL - REV B