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FILED: NEW YORK COUNTY CLERK 02/20/2018 10:20 AM
NYSCEF DOC. NO. 337
2.
excess
With
operating
gas
high
switches
its
electronic
pull
in
powering
burners
3.
System
•
Safety
•
Main
•
Pilot
operation.
4.
If
flame
.
Absence
seconds.
•
Terminal
gized
5.
If flame
.
The
RA
closing
contacts
.
Pilot
pilot
gas
90 seconds.
.
After
the
safety
must
before
6.
Low
gas
•
If
regulator
string
ural
gas)
low
gas
open,
ual
resetting
required.
7.
gas
High
If
gas
supply
orifices
12,0"
(Propane
contacts
burners.
switch
is required.
8.
Excessive
If
boiler
of
excess
tacts
In
14
AOS114
Roenbeck
temperature
limit,
system
limit,
operating
pressure
and
low
the
RA
890
closed,
relay
check.
Its
load
to
energize
5
terminal
the
gas
shutoff
safety
ignite.
.
control
is satisfied.
operating
shutoff
valve
is de-energized.
off.
burner
shuts
continues
to
burn
failure
occurs:
of
flame
is
sensed
RA
890
5
of
relay
and main
burners
shut
off.
cannot
be proven
within
890
ivill
lock
out
relay
the
open
norma.lly
(N.O.)
on relay
and
activate
switch
contacts
safety
shuts
off
in approximately
supply
cause
of
failure
has
been
'
of
the
RA
switch
be manually
reset
and
pilot
main
burner
Will
re-lgnite.
pressure.'
pressure:
outlet
pressure
to
2.0"
drops
to
less
than
9.0"
or
W.C.
(Propane
'
pressure
switch
contacts
the
off
main
shutting
burners.
of
the
pressure
pressure:
pressure
to
the
main
4.0"
exceeds
W.C.
(Natural
the
high
gas
gas),
will
off
open,
shutting
Manual
of
the
resetting
water
tempe(ature:
water
temperature
exceeds
temperature
limit
control,
the
control
cipen,
shutting
I
flow
switch,
control,
gas
pressure
performs
9.
relays
then
of
the
relay,
valve.
Main
10.
on
stand-by
2 - 4
within
de-ener-
is
AIR
15 seconds:
on safety,
To
obtain
alarm
the
gas
alarm.
proper
the
air
open
and
NOTE:
corrected,
890
relay
relighted
1.
2.
Loosen
wide.
the
control
3.
Gradually
(Nat-
W,C.
appear
the
gas),
the
will
not
Man-
as
switch
is
burner.
CHECKING
burner
or
gas)
f.
Attach
pressure
the
the
main
correct
pressure
NOTE:
2.
Use
setting
con-
the
sure
off
the
are
INDEX NO. 190311/2015
RECEIVED NYSCEF: 02/20/2018
main
burners.
Manual
resetting
trol
is required.
Low
water
or no flow
condition:
.
The
flow
contacts
switch
off
main
burner.
ting
until
normal
flow
conditions
established.
the
If
red
light
running
the
fails,
following
safety
be checked:
.
Limit
.Operating
•
Low
Gas
Pressure
Switch
.
High
Gas
Pressure
Switch
•
Flow
Switch
.
Excess
Temp.
Limit
Control
SHUTTER
ADJUSTMENT
main
burner
ideal
operating
and
be properly
air
must
air-gas
mixture
be
may
shutter
of burner.
on face
type
burners
Spreader
in
the
flame
quality
gas.
This
is a normal
acteristic.
Operate
the
system.
the
locknut
and
close
the
shutter
the
in
burner
flame.
the'
until
the
flame
shutter
open
further
shutter
any
flame
become
will
noisy
ADJUSTING
AND
a
pressure
gauge
gauge
port
and
refer
manifold
pressure.
The
gas
meter
should
fore
system
water
ceeds
1500F.
"clock"
this
formula
to
gas
that
other
consuming
not
ON during
this
interval.
con-
of
this
shut-
will
open,
Boller
will
fire
not
re-
are
on
the
box
control
devices
should
conditions,
The
proportioned.
obtained
by rotating
have
orange
an
used
when
on
L.P.
char-
and
approved
open
the
air
shutter
yellow
tips
until
re-open
Slowly
tips
blue.
Do
are
than
necessary
and
lift
the
from
THE
INPUT
or
a
manometer
to
TABLE
to
2
for
be-
be clocked
ex-
temperature
the
meter.
Be
appliances
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