Fig.5
OFF
ON
ON
Lo
Hi
Detect
No Detect
Detect
LOST FLAME
(During Combustion)
TIME CHART : MODEL SRE 156, SRE 166, SRE 176
FUELING
VENTILATION
Detect
No Detect
4
5
4
3
4
4
3
3
4
4
"-- --"
Display
"-- --"
Display
Memory the resistor value
of Burner Thermister
after T13
The safety
device is
activated.
E-6
3
3
3
T15
T16
T27
T30
T26
T26
Set Temp. - 2
°
C
5
5
Fuel Pump
4
:
High
3
:
Med - High
2
:
Med
1
:
Med - Low
5
:
Full
4
:
High
3
:
Med-High
2
:
Med
1
:
Med-Low
3
:
High
2
:
Med
1
:
Low
Circulation Fan Motor
Blower Motor
Operation Switch
Timer Switch
Tip-over Switch
High Limit Switch
Fueling
Primary
Flame Rod
Secondary
Flame Rod
Room
Thermistor
Burner
Thermistor
Operation Lamp
Timer Lamp
Fuel Lamp
Ventilation Lamp
Timer Clock
Lamp
Igniter
Fuel Pump
Blower Motor
Circulation
Fan Motor
Buzzer
Display
No Detect
T40
NOTE : This time chart will vary according to set condition.
1.77 k
Ω
≤
BTH
≤
100 k
Ω
(SRE 176)
After
T35
0.33 k
Ω
≤
BTH
≤
85 k
Ω
(SRE 156, 166)
-36-
