Riello RMG 8862 A2 Installation, Use And Maintenance Instructions page 16

PHASES DESCRIPTION
Phase 1
clamp 9
The wiring from thermostat to (9) must be connected
to (1).
Phase 3
clamp 2
The wiring from air pressure (common) to 2 (or 8)
must be connected to (1).
Phase 5
The wiring from air pressure (normal open) to (4) must be complety removed.
ATTENTION:
if there is max gas pressure switch, the wiring from air pressure (normal open) must be connected
to max gas pressure switch (common). The max gas pressure switch (normal open) must be con-
nected to 4. If there is a wire from normal closed of max gas pressure switch, it must be complety
removed.
3031
clamp 4
Phase 2
clamp 8
clamp 1
The wiring from thermostat to (8) must be connected
to (9).
Phase 4
clamp 1
The wiring from air pressure (normal closed) to (3)
must be connected to (4).
PG max.
S7883
2
GB
clamp 9
clamp 4
clamp 3