39
24 volts across
1
&
4
(blue&yellow) and
2
&
4
(orange&yellow ) on
damper end of
harness?
N
Y
Main
burners
light?
24 volts across
red damper lead
and yellow
transformer
lead?
*
Refer to standing pilot
or intermittent ignition
troubleshooting chart
(page 39 or 40).
*
Defective damper
*
Defective or loose
damper harness
*
Obstruction in
path of damper
blade
24 volts across
standing pilot gas
valve terminals or
terminals
5
&
6
on
S8600 module?
24 volts
across spill
switch?
*
Chimney blockage
*
Chimney system not
contructed in accordance
with Parts 7 and 10 of
National Fuel Gas Code
.
*
Down draft
*
Inadequate combustion air
supply in boiler room
Y
N
Y
24 volts
across rollout
switch?
*
Loose electrical
connection in spill
switch or rollout
switch wiring or gas
valve common
*
Rollout switch open.
Replace with exact
replacement (see parts
list). Check for blocked
heat exchanger.
Y
N
N
Y
N
Do burners shut
down when water
level drops below
cut-off point?
END
*LWCO float bowl filled with
mud
* Defective LWCO
DO NOT OPERATE BOILER
UNTIL THIS PROBLEM IS
CORRECTED
Do burners
shut down when
pressure
exceeds limit
setting?
*
Defective
pressure limit
control
*
Blockage in
siphon tube
Y
Y
N
N
*
Defective or
loose damper
harness
*
Defective or loose
damper harness
*
Defective damper
motor
*
Obstruction in path
of damper blade
N
Y
38
Содержание BERMUDA BSI069
Страница 43: ...43 42...
Страница 45: ...45 44...
Страница 47: ...47 46...
Страница 49: ...49 48 FIGUREA1 BASE HEATEXCHANGER FLUE COLLECTORASSEMBLY...
Страница 51: ...51 50 FIGUREA2 JACKETINSTALLATION...
Страница 53: ...53 52 FIGUREA3 TAPPING LOCATIONS SEE TEXT FOR TAPPING USES...