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BCS3000M-9
14.
Start material flow to the dryer. Use the [
] and [
] keys of the Temperature Controller to
manually control the burner firing rate, or press the
MANUAL/AUTO
key on the controller
to begin automatic temperature control.
15. The
center,
LOW FIRE
, position of the switch will return the burner to its low fire position.
16.
In the event of a Temperature Controller failure, the
MAN.
(MANUAL) position of the
CONTROL MODE
selector will enable the Operator to increase (
INC
) or decrease (
DEC
)
the burner via the
MANUAL INC/DEC
switch.
17.
To terminate burner operation, press the
STOP
pushbutton.
a.
Run Relay, R1, will be de-energized and the
RESET
indicator will come on.
b.
Purge Latch Relay, R2, will be de-energized and a
message
will appear.
c.
The Honeywell RM7890 flame relay will be de-energized.
d.
All fuel valves will be de-energized.
e.
The fuel control motor will drive closed.
f.
Purge Relay, R4, will be energized.
H. TROUBLESHOOTING
PROBLEM
POSSIBLE CAUSE
CORRECTIVE ACTION
No power to instruments
or indicator lights.
L1 fuse blown.
Check for 120Vac between L1 and L2.
Replace 10A fuse, L1.
Purge limits are not
made.
Check purge limits series: 120Vac on
terminals 19, 24F, 24E, 24D, 24C,
24B, 24A and 24.
Low fire limit switch(es)
are not made.
Check low fire limit switch(es).
Check for 120Vac on terminals 21B,
21A and 21.
Limits are made but air
motor does not drive
open for purge.(Eco-Star
& StarJet Conversion
burners only)
Motor positioner fault.
Consult BCI instructions.
No flame established
during 10 second pilot
trial for ignition.
Flame relay fault.
Verify operation of pilot solenoids and
ignition transformer. Check pilot
adjustment and fuel supply.
Check for 120Vac on terminals 8 and
9. Replace flame relay.
Main fuel valve has not
opened within 30
seconds.
VOS switch fault.
10-second pilot timer
fault.
Verify operation of the main fuel valve
and the valve open switch (VOS)
contact.
Verify operation of 3TR relay (replace
3T timer).