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

12.

Electrical Connections/Wiring

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
Removing Side Panel:
• Remove screws B
C
B
B
Figure 12.2
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 gure 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.
RIVA PLUS MANUAL
12.1

Power Connection:

A
A
C
B
B
12.2

Connection to the electricity supply:

Service Man's Switch
N
L
Power supply
terminal block
1
External controls
terminal block
Removing Control Panel:
• Remove screws C.
• Move the lower part of the side panels ( gure
12.3).
• Pull the control panel. When completely pulled
out, the panel can rotate 45° downward.
D
• Loosen screws D and remove the service
panel (Fig. 12.4).
Fire - O - Matic
Note: Do not connect live wires to
thermostat terminals 1-3.
Figure 12.5
Figure 12.3
D
D
Figure 12.4
120 VAC
15 AMP BREAKER
WARNING
27