Sit 501 EFD - Technical Data

TECHNICAL
DATA
AMBIENT TEMPERATURE
-20 to + 80 °C
HUMIDITY
95% max at 40 °C
SUPPLY VOLTAGE
230 Vac -15%, +10%, 50-60 Hz
POWER CONSUMPTION
10 VA
ELECTRICAL RATINGS
valve output: 230 Vac, 0,5 A, cosf=0,6
fan output: 230 Vac, 0,5 A, cosf=0,6
flame relay output: 230 Vac, 0,5 A, cosf=0,6
alarm output: 230 Vac, 0,5 A, cosf=1
ELECTRICAL CONNECTIONS
high voltage probe: fast-on 2,8X0,5 mm
connectors: - STELVIO/STOCKO multiple plug-in connectors, or
- fast-on connectors 6,3 X 0,8 mm.
PROTECTION CLASS
IP 00 (fast-on)
IP 20 (connectors)
TIMING
minimum waiting time Tw: 1,5-3-5-7-10-30 sec.
minimum pre-purge time Tp: 1,5-3-5-7-10-30 sec.
maximum safety time Ts: 5-7-10 sec.
FLAME SENSING
minimum flame current: 0,5
µA
recommended flame current: > 1
µA
FUSING
internal: 2 A, non replaceable
external: 1,6 A fast. The 501 FFD should be
externally fused to proctet the unit
IGNITION
Integral electronic spark generator.
ignition voltage: 15 KV at 30 pF load
repetition rate: 15 Hz +/- 20%
max. lenght of the cable: 2 m.
spark gap recommended: 2-4 mm.
MOUNTING
No restriction for mounting position.
T1 T2 T3 T4 T5 T6 T7
T8
T9
T11
T12
Fast-on 6,3 x 0,8
Ø
4,6
85
85
132
T13 T14
T15 T16
100
T10
37
42
HIGH VOLTAGE COIL
N
N
230 VAC LINE
VAC NEUTRAL
GROUND
N
N
HV
BURNER ION
N
T1 T2 T4 T5 T6 T7 T8 T9 T10 T11 T12 T13 T14
T16
T15
T3
N
MV 2
P
MV 1
FL
HV
P
RS
230 VAC LINE
230 VAC NEUTRAL
GROUND
N
N
WIRING DIAGRAM
STELVIO/STOCKO plug-in connectors
fast-on connectors