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A.O. Smith HW-160 Instructions And Guarantee page 29

Residential type hydronic boilers

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FILED: NEW YORK COUNTY CLERK 02/20/2018 10:20 AM
NYSCEF DOC. NO. 337
Through
Close
boiler.
Relieve
pressure
Remove
tem
cleaning
Add
through
relief
.
Open
boiler.
3.
'
Pressurize
I.
the
cold
to
the
system
the
during
OPERATING
LIGHTING
INSTRUCTIONS
CAUTION:
Make
before
ual)
justing
burner,
5 minutes.
Do not
attempt
the
Light
unit
on
the
Lighting
the
boiler.
The
pilot
to
the
right
remove
pilot,
ber
doors.
ber
doors
after
SEQUENCE
OF
fig.
10).
gram,
1.
For
initial
energized
cally
connect
pilot.
Panel
ence
position'
With
a proven
t
(S427B)
cycle.
the
TR1
close.
be moved
should
pressure
relief
valve
opening
and
system
inlet
outlet
pressure
from
boiler
air
relief
valve
from
an
amount
of
water
the
equal
to
approximately
solution
to be added.
the
to
solution
cleaning
the
valve
relief
opening.
valve.
system
inlet
and
outlet
the
If
system.
necessary,
water
valve
and
supply
so that
the
water
does
process.
cleaning
INSTRUCTIONS
heater
is
sure
filled
pilot.
The
lighting
gas
shutoff
valve
and
}ocated
valve,
be closed
should
to
if gas
odor
light
pilot
the
in accordance
with
plate
and
Operating
is
under
the
located
boiler,
side
of the
burner.
main
and
combustion
outer
inner
Be sure
toreplace
combustion
unit.
lighting
to wiring
OPERATION
(refer
the
system
start-up,
the
closing
by
switch
after
manual
sound.
Move
alarm
will
box
control
to
switch
on
the
pilot
flame,
initiates
a
5
minute
prepurge
At
the
end
of the
contacts
open
and
TR2
The
alarm
silence
switch
to the
ON
position.
back
silent.
remain
4.
.
valves
at
and
remove
5.
purger.
sys-
from
the
volume
of
the
system
Replace
valves
at
open
add
pressure
not
boil
Ll
b
with
water
(man-
main
ad-
TONEXTANEL
pilot
IIF
------e.
near
main
----
for
at
least
PR I
is present.
instructions
fastened
to
attached
To
reach
cham,
4
cham-
dia-
electri-
is
dis-
u
main
ignition
of
8 RA890 S
sil-
alarm
the
OFF
F
purge
timer
prepurge
cycle,
aco
contacts
now
may
Alarm
RECEIVED NYSCEF: 02/20/2018
Operate
for
the
system
(to
a maximum
of 24 hours).
pressure
the
system
and
such
that
the
water
does
SYSTEM
MUST
NOW
FLUSHED.
Close
the
gas
manual
turn
off
the
burner.
circulator
to
continue
the
procedure.
flushing
cold
.
Open
the
water
tem.
a hose
to
the
Connect
allow
solution
cleaning
cleaner
should
be removed
All
20 minutes
of flushing.
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a minimum
1 hour
of
As
noted
above,
temperature
be
must
not
boll.
BE
DRAINED
AND
shutoff
valve
to
This
will
allow
the
operating
during
sys-
to
the
supply
boiler
drain
valve,
to flow
to drain.
after
15 to
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