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Air Shutter - A.O. Smith HW-160 Instructions And Guarantee

Residential type hydronic boilers

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FILED: NEW YORK COUNTY CLERK 02/20/2018 10:20 AM
NYSCEF DOC. NO. 337
2.
With
,excess
excess
operating
high
gas
switches
its
electronic
to
pull
in
powering
burners
ignite.
3.
System
operating
.
Safety
.
Main
burner
.
Pilot
operation.
4.
flame
failure
If
.
Absence
.
seconds.
.
Terminal
gized
and
5.
If flame
cannot
The
RA
.
closing
contacts
.
Pilot
safety
pilot
gas
90 seconds.
.
After
cause
the
safety
be manually
must
before
main
6.
Low
gas
pressure:
.
If
regulator
drops
string
ural
gas)
gas
low
open,
shutting
ual
resetting
required.
7.
gas
pressure:
High
gas
If
supply
orifices
exceeds
12.0"
(Propane
contacts
burners.
switch
is required.
8.
Excessive
If
boiler
water
of
excess
the
tacts
in
14
temperature
flow
limit,
system
operating
limit,
and
gas
pressure
low
the
RA
890
closed,
relay
toad
relays
check.
Its
energize
5
of
terminal
the
gas
shutoff
valve.
safety
control
is satisfied.
shutoff
valve
is de-energized.
shuts
off.
continues
to
burn
on
occurs:
sensed
of
flame
is
within
5
of
RA
890
is
relay
main
burners
shut
off.
be proven
within
15 seconds:
890
will
lock
out
relay
the
open
(N.O.)
normally
activate
alarm.
and
onrelay
contacts
switch
off
shuts
in approximately
supply
of
failure
has
been
of
the
RA
switch
reset
and
pilot
burner
will
re-lgnite.
outlet
pressure
to
the
2.0"
to
less
than
W.C.
9.0"
(Propane
or
W.C.
pressure
switch
contacts
off
the
main
burners.
the
pressure
of
pressure
to
the
main
4,0"
W.C.
(Natural
gas
the
high
gas),
will
off
open,
shutting
the
Manual
of
resetting
water
temperature:
temperature
exceeds
temperature
limit
control,
control
open,
shutting
main
switch,
trol
control,
pressure
Low
performs
9.
then
.
the
relay,
Main
10.
If
fails,
be checked:
.
stand-by
.
.
2 - 4
.
de-ener-
.
AIR
SHUTTER
on safety'
obtain
To
alarm
the
gas
proper
air-gas
air
the
and
open
NOTE:
corrected,
890
relay
relighted
Operate
1.
2.
Loosen
wide.
control
3.
Gratiually
(Nat-
appear
the
gas),
the
will
not
Man"
as
is
switch
burner.
CHECKING
burner
or
gas)
1.
Attach
pressure
the
the
main
correct'manifold
pressure
NOTE:
Use
2.
setting
con-
the
sure
off
the
are
INDEX NO. 190311/2015
RECEIVED NYSCEF: 02/20/2018
burners.
Manual
resetting
is required.
water
or no flow
condition:
The
flow
switch
contacts
off
main
burner.
Boiler
ting
until
normal
flow
c ond
established.
the
red
light
on
running
the
following
safety
Limit
O'perating
Low
Gas
Pressure
Switch
Gas
Pressure
High
Switch
Flow
Switch
Excess
Temp.
Control
Limit
ADJUSTMENT
burner
ideal
main
operating
be properly
and
air
must
be obtained
mixture
may
on face
of burner.
shutter
burners
type
Spreader
flame
the
when
In
quality
This
is a normal
and
gas.
acteristic.
the
system.
the
and
locknut
open
close
the
shutter
the
burner
flame.
in
the
shutter
until
flame
shutter
further
open
any
flame
will
become
noisy
THE
AND
ADJUSTING
gauge
a
pressure
or
and
refer
gauge
port
pressure.
The
gas
meter
should
water
fore
system
ceeds
1500F.
"crock"
formula
this
to
gas
other
that
consuming
interval.
this
not
ON
during
con-
of
this
shut-
will
open,
will
not
fire
re-
itions
are
the
control
box
devices
should
conditions,
proportioned.
The
by rotating
have
orange
an
used
L.P.
on
char-
approved
the
air
shutter
yellow
tips
until
re-open
Slowly
blue.
tips
are
Do
than
necessary
and
lift
from
the
INPUT
a manometer
to
2 for
to
TABLE
be-
be clocked
ex-
temperature
Be
the
meter.
appliances
130
AOS
Raenbeck

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This manual is also suitable for:

Hw-200Hw-225