4
EN1R--9161 0006R10--NE
SYSTEM OPERATION
General
Lock- out reset
The S4565 ignition control can be reset by either depressing
the internal/external reset button (suffix A and B) or by
interrupting the permanent life (suffix P and Q).
NOTE 1.: If during normal use the reset button is pressed,
the gas valves drop out and the S4565 ignition
control starts a new sequence after releasing the
reset button.
NOTE 2.: If permanent alarm output:
neon indicator with integral resistor >150 kτ
Εmax 1 mA)
NOTE 3.: If an return high limit thermostat is used, the high
limit switch in the application needs a longer return
time than the trial for ignition time of the control.
This in order to provide non volatile lock out.
Suffix A, B, P and Q (see fig. 4.)
When there is a call for heat a self check period (T
c
)plus
waiting period (T
w
) elapse before built--in igniter and gas valve
are switched on.
The ignition spark ignites gas and resulting flame is detected
by the flame rod.
Ignition is switched off after extended ignition time and flame
establishment.
If flame is not established within the safety time (T
s
), the
S4565 ignition control locks out.
If the flame is lost during normal run, the S4565 ignition
control repeats start sequence.
T
c+
T
w
T
s
Thermostat
Alarm
Ignition
Gas valve
Flame rod
Legend
T
c+
T
w
T
FR
Fig. 4. Functional diagram S4565A, B, P, Q
SPECIFICATIONS IGNITION CONTROL S4565C, D, R, T
Model
Suffix C: fan assisted, direct burner ignition
Suffix D: fan assisted, intermittent pilot burner ignition
including safety timer
Suffix R: as C except volatile lock--out
Suffix T: as D except volatile lock--out
Supply voltage
220 ... 240 Vac, 50/60 Hz
Power consumption
4VA
Humidity
90% RH max. at 40 _C
Ambient temperature
0 ... 60 _C
--15 ... 60 _C (optional)
Electrical rating (see also n ote 5.)
Alarm: 220 ... 240 Vac, 50/60 Hz, 1 A, cos ♥ > 0.6 or
max 1 mA
Fan: 220 ... 240 Vac, 50/60 Hz, 1 A, cos ♥ > 0.6
LPG outdoor valve: 220 ... 240 Vac, 50/60 Hz, 1 A,
cos ♥ > 0.6
External ignition transformer: 220 ... 240 Vac, 50/60 Hz,
1A,cos♥ > 0.6
Electrical connection
High voltage spark: 2.8 mm spade terminal
Optional:
External mains v oltage ignition transformer with
2.8 mm spade terminal
Flame sensing:4.8 mm s pade terminal or 2.8 mm s pade
terminal for combined high voltage
spark/flame sensing
PCB connectors:Molex 3003 series suitable for Molex 3001
female cable connector
Housing (degree of protection)
See page 29
Timing (depending on O.S. number)
Self check time (T
c
): 0, 1.5 or 2 s
Prepurge time (T
p
): 0 ... 30 s
Safety time (T
s
): 3.5 ... 55 s
Extended spark ignition time and stabilisation time: 0 ... T
s
(dependent on elaps of safety time)
Flame sensing
Min flame c u rrent: 0.9 ←A
Response time on: > 0.2 s
Response time off (T
FR
): < 1 s
(optionally other values available)
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