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4. Wiring
15
Riello Burner without post-purge control multi-zone, control wiring
OPTIONAL: CHECK LOCAL CODES
LO-WATER CUTOFF
FIRE -O -MATIC
SR 301
T 1 T T 2 T T 3 T
GNDL1 N L2 N L3 N
L2 CF L1X1X2
L1 (HOT)
L2 (NEUTRAL)
120 VAC
15 AMP Breaker
G W R B
G W R B
L 4006A
N
X (ALARM)
L
G
Ground on
Riello Chassis
Aux terminal requires
constant 120V power for
electric air damper
T T
DHW
CONTROL
ON/OFF
SWITCH