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

12.

Electrical Connections/Wiring

A
A
Figure 12.1
Removing Front Panel:
• Remove the front panel by
removing screws A and slid-
ing 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 electricallybonded to ground in accordance with the require-
ments of the authority having jurisdiction or, in the absence of such requirements,with the Na-
tional Electrical Code,ANSI/NFPA 70 and/or 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 fi gure 12.5) keeping the same connections for the live wire
and the neutral wire.
To fused spur
isolation switch
3 2 1
RIVA PLUS COMBI MANUAL
12.1
Removing Side Panel:
• Remove screws B
C
B
B
Removing Service Panel:
• Remove screws C.
12.2

Connection to the electricity supply:

Service Man's Switch
N
L
Power supply
terminal block
External controls
terminal block

Power Connection:

C
B
B
Figure 12.2
Figure 12.3
Fire - O - Matic
Note: Do not connect live wires to
Figure 12.5
• Move the lower part of the
side panels (fi gure 12.3).
• Pull the control panel. When
completely pulled out, the
panel can rotate 45° down-
ward.
D
D
D
Figure 12.4
• Loosen screws D and remove
the service panel (Fig. 12.4)
120 VAC
15 AMP BREAKER
WARNING
thermostat terminals 1-3.
27