Item
Test Item
3.3.1-32
3.3.1-33
3.3.1-34
3.3.1-35
3.3.1-36
3.3.1-37
3.3.1-38
3.3.1-39
3.3.1-40
3.3.1-41
Forced Med.-High burning
timing (SRE 250) (T41)
Deodorizing Pump OFF
timing (SRE 250) (T42)
Deodorizing Pump ON
timing (SRE 250) (T43)
Pre-heat extension timing
(T44)
Flame current undetected
timing (T45)
Relay stuck detection
timing (T46)
Cleaning operation timing
(T48)
Heater post-purge timing
(T50)
Stand-by timing (T51)
Initial refueling timing
(T52)
Specifications
SRE 156
SRE 166
- - -
- - -
- - -
30
±
3 sec.
10
±
2 sec.
20 min.
±
80sec.
- - -
30
±
3 sec.
5 min.
±
20 sec.
2
±
1 sec.
SRE 176
SRE 250
SRE 260
- - -
- - -
- - -
30
±
3 sec.
10
±
2 sec.
20 min.
±
80sec.
- - -
30
±
3 sec.
5 min.
±
20 sec.
2
±
1 sec.
20
±
3 sec.
2
±
1 sec.
3
±
2 sec.
30
±
3 sec.
15
±
2 sec.
20
±
80 sec.
2 hrs.
±
6 min.
30
±
3 sec.
5 min.
±
20 sec.
2
±
1 sec.
- - -
- - -
- - -
30
±
3 sec.
15
±
2 sec.
20 min.
±
80sec.
2 hrs.
±
6 min.
30
±
3 sec.
5 min.
±
20 sec.
2
±
1 sec.
Remarks.
Med.- High burning timing after
Fuel Pump is on. Blower Motor
delay (T25)
Time from when Main Circuit
Board starts to extinguish the
flame to the time when
Deodorizing Pump is turned on.
Time from when Main Circuit
Board passes T25 to the time
when flame current is not
detected, when Main Circuit
Board stops burning after T35.
Time from when operation stops
to the time when relay stuck is
judged.
Time from when High burning
starts to the time when cleaning
operation is started.
Timing at which heater pre-purge
is performed when the operation
is stopped.
Time taken to change to Stand-by
saving mode when Power Button
is turned off.
T52 is started when pump is
turned on.
– 53 –
