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RIVA ADVANCE COMBI MANUAL
12. Electrical Connections/Wiring Cont.
12.3 Room Thermostat Connection:
• The room thermostat must be connected
to the terminal block situated next to the
control panel.
Figure 12.6
• Any external controls and connection
lines must be rated at 120 VAC but
under no circumstances should
external live voltage be connected to
terminals 1 and 3 on the boiler.
1
2
L
N
3
To fused spur
isolation switch
Power supply
terminal block
External controls
terminal block
J
120 VAC Control
Terminal Block
12.4 Relay Panel Connection:
• When connecting any type of external
control, the jumper J in Fig. 12.6 must be
removed.
• The room thermostat must be connected
to the “Control Terminal Block” through a
external relay such as the RIB01BDC (Fig
12.7).
Figure 12.7
• Connect the room thermostat and relay
control between terminals 1 and 3 as
shown in Fig. 12.7.
Power supply
terminal block
External controls
terminal block
T
Room thermostat
1
2
L
N
3
(120V rating)
RIB01BDC
wht/blu
wht/red
orange
yellow
black
white
120 V
Power
• The relay control must be connected to
the terminal block situated next to the
control panel.
Figure 12.8
• When connecting any type of relay
control, the jumper J in Fig. 12.8 must be
removed.
1
2
L
N
3
To fused spur
isolation switch
Power supply
terminal block
External controls
terminal block
J
• Connect the dry contact switch of the relay
panel to the 120 VAC control terminal
block (Fig 12.9).
Figure 12.9
• Connect the dry contact switch to
terminals 1 and 3 shown in Fig. 12.9.
Power supply
terminal block
External controls
terminal block
Generic Relay Control
1
2
L
N
3
(120V rating)
T
