Operating instructions
DIAGNOSTIC
CHECKS
NO
FAN
OPERATION
2.
CHECK
COLLECTOR
OUTPTIT
a. Be sure
that the
electronic
cells and
prefilter
screens are
clean,
dry, and
properly
in-
stalled in
the air cleaner.
b.
Energize
the
air cleaner
and
check
for
operation
in all fan
speeds.
In each
case
the
fan
should
run and the
SYSTEM
light should
turn
on.
-If
the fan
does not run,
check the fan
motor,
power
sourc€,
and interlock
safety
switch.
-lf
the
SYSTEM
light
does
not
come on,
go
to step
3.
-If
the fan
runs
and the
SYSTEM
light
comes on,
go
to
step 2.
a. With air clean-
er turned on,
push
TEST
BUTTON
to
momentarily
short
out
the
collector
sec-
tion of the
electronic
cell.
DIAGNOSTIC
CHECKS
1.
ENERGIZE ELECTRONIC
AIR
CLEANER
b. Arcing
indicates
that the electronic
air cleaner
is
working
properly.
c. If
no
arcing noise
is
heard, check
for
cgntinuity
through the
collector resistor, and
then
check for
a
failure
in the electronic
ceUs, voltage doubler
circuit,
or cell contact
boards.
3.
REMOVECELLS
a.
Turn
pff
the
air
'
cleaner.
b.
Open
the acrcess
door
by
removing
2
thumbscrews
holding
door in
place.
Re.
move the electronic
cells.
Close
the
door.
c. Turn the air cleaner
oN.
VOLTAGT
a.
Remove
the 4 screws
holding
the
control
door in
place
and
open the
door.
b. Use a neon test light
or a voltmeter
to
check line voltage on
the
primary
of
the
high voltage trans-
former.
-If
the
correct
line voltage is
present,
continue
the
checkout.
-If
the
correct line voltage is not
measured on
the
primary
of the high roltage transformer,
check
backwards through the switch
and wiring.
to the
power
sourc€ until the
problem
can
be
located
and
corrected.
c. Check
the
voltage
on
the indicator
light.
-If
the voltage is
correct
(about
l20V
ac) and
if
the light is
out,
replace the
assembly.
-ll
there
is no voltoge,
or Iess thon
IOOV
qc,
the
power
supply
musl
be
reploced.
See
poge
I I
+i#r-)
,n.o"*..r$[1'rX;1-l
----tlnX*:n.ncurr
I
volrAGE
wrR|NG
I
t-l
-If
the
light comes on now, check the electronic
cells
for
a short circuit.
-If
the light
rernains
off,
go
to step
4.
4.
CHECK POWER
SUPPLY
AND INDICATOR
LAMP
13