Installation manual

RIVA PLUS COMBI MANUAL 31
12. Electrical Connections/Wiring
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
Removing Side Panel:
Remove screws B
Figure 12.2
Removing Service Panel:
Remove screws C.
Figure 12.3
Move the lower part of the
side panels (Figure 12.3).
Pull the control panel. When
completely pulled out, the
panel can rotate 45° down-
ward.
Figure 12.4
Loosen screws D and re-
move the service panel (Fig.
12.4)
A
A
B
B
C
C
B
B
D
D
D
12.1 Power Connection:
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 require-
ments of the authority having jurisdiction or, in the absence of such requirements,with the National
Electrical Code,ANSI/NFPA 70 and/or Canadian Electrical Code Part I CSA C22.1, Electrical Code.
In the USA, maintain a clearance of at least 4 ft. horizontally from the vent terminal to gas meters,
electric meters, regulators and relief equipment. In Canada, maintain a 6 ft. clearance between
the vent terminal and these devices.
12.2 Connection to the electricity supply:
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.
12
L
N
3
To fused spur
isolation switch
Power supply
terminal block
External controls
terminal block
120 VAC
15 AMP BREAKER
Service Man's Switch
Fire - O - Matic
b
r
o
w
n
g
r
e
e
n
b
l
u
e
Figure 12.5
WARNING
Note: Do not connect live wires to
thermostat terminals 1-3.