Riello RX 70 S/PV K Installation, Use And Maintenance Instructions page 37

4.7.6 Connection diagrams
Chip
Card
(optional)
Analog-
Power-
Control
Fusibile
Fan Ignition
Legend
1 7-pole socket for single-phase power supply, thermostat/
pressure switch TL
2 4-pole socket for 3-point command
3 2-pole plug for 0-10 Volt command (X9)
Technical description of the burner
Analog- Air pressure
Power-
Control
Combustion
Manager
Ignition Flame
Fan
Gas-valves Flame Gas-min. Air min.
Failure Operation
Gas pressure Reset
switch switch remoto
(min.) (min.)
Safety
Valves
Reset
3-Stage-Controller
11
GB
3 Stage Thermostat
Power
Control
Failure
Operation
2
1
3
D10748
Fig. 5
20029918