Installation manual
RIVA PLUS COMBI MANUAL 33
12. Electrical Connections/Wiring Cont.
12.5 Zone Valve Micro Switch Connection:
• The zone valve micro switch must be con-
nected to the terminal block situated next
to the control panel.
Figure 12.10
• When connecting the zone valve switch,
the jumper J in Fig. 12.10 must be re-
moved.
12
LN
3
To fused spur
isolation switch
Power supply
terminal block
External controls
terminal block
J
120 VAC Control
Terminal Block
Figure 12.11
• Connect the micro switch of the zone
valve to terminals 1 and 3 as shown in g-
ure 12.11
• Connect the zone valve switch to the
room thermostat as shown in gure 12.11
120 VAC
Control Terminal
Block
1
L
N
3
V
T
Zone
Valve
Room
Thermostat
12.6 Finishing
• Route the electrical supply cord and the external control cord as illustrated in Fig. 12.12.
Figure 12.12
• Lock the cords in place with the exible cord clamps.
• Replace the control panel reversing the steps on page 31.
To the fused spu
r
To the external
control device
isolation switch










