QHT Riva Installation, Operation And Service Instructions - page 31
RIVA HEAT ONLY MANUAL - REV B
31
12.5 Zone Valve Micro Switch Connection:
• The zone valve micro
switch must be
connected to the
terminal block
situated next to the
control panel
1
2
L
N
3
To fused spur
isolation switch
Power supply
terminal block
External controls
terminal block
J
120 VAC Control
Terminal Block
Figure 12.10
• When connecting the
zone valve switch, the
jumper J in Fig. 12.10
must be removed.
120 VAC
Control Terminal
Block
1
L
N
3
V
T
Zone
Valve
Room
Thermostat
Figure 12.11
• Connect the micro
switch of the zone
valve to terminals 1
and 3 as shown in
figure 12.11
• Connect the zone
valve switch to the
room thermostat as
shown in figure 12.11
12.6 Finishing
•
Route the electrical
supply cord and the
external control cord
as illustrated in Fig.
12.12
To the fused spur
To the external
control device
isolation switch
Figure 12.12
• Lock the cords in
place with the flexible
cord clamps.
• Replace the control
panel reversing the
steps on page 23.
12. Electrical Connections/Wiring
Control Block Do
Not Apply Power
Control Block