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A.O. Smith HW-160 Instructions And Guarantee page 8

Residential type hydronic boilers

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FILED: NEW YORK COUNTY CLERK 02/20/2018 10:20 AM
NYSCEF DOC. NO. 337
Where
a continuous
is
found
mined
and
Failure
A
special
back
draft
methods
tained,
be
must
and
correct'combustion.
2.
Connecting
connecting
chimney
This
practice
108
AOS
8
Roenbeck
or intermittent
to
the
cause
must
exist,
corrected.
to correct
drafts
back
may
and
unsafe
conditions.
I
flue
be
cap
required.
may
cannot
be corrected
by the
a suitable
or
If
draft
cannot
a
blower
type
flue
gas
employed
assure
to
proper
to a Common
Boiler
Flue.
the
a
to
boiler
common
with
or coal
oil
burning
is
prohibited
by
WIRING
CONNECTl0NS
All
electrical
ance
with
conform
to
The
electrical
both
the
circulator
taneously
the
Select
of system
Figure
Figure
JMPORTANT
boiler
circuit
zone
valve
circuit
must
is closed.
7 - Zoned
Figure
8 - Zoned
Figure
9 - Zoned
Figure
NOTE:
Fig's.
If
of
any
use
replaced,
equivalent.
back
draft
codes
deter--
be
equipment
systems.
cause
air
Where
available
must
coal
If the
should
normal
be ob-
a
or oil
exhauster
venting
Where
common
should
Avoid
flue
flue
or
of the
equipment,
local
many
work
must
be
Installed
the
National
Electrical
local
regulations.
connections
must
be made
and
gas
valve
the
when
thermostat
calls
appropriate
diagram
wiring
to which
the
boiler
is connected:
5 - Conventional
System.
6 - Zoned
multiple
System,
-
zone
When
valves
should
not
be
energized
water
passage
is
opened.
be de-energized
before
Honeywell
Systems,
White-Rodgers
System,
(2 wire).
White-Rodgers
System,
(3 wire).
4, 5, 6, 7, 8 and
9:
the
wire
as
original
supplied
type
1050C
thermoplastic
only
INDEX NO. 190311/2015
RECEIVED NYSCEF: 02/20/2018
as
is the
practice
of venting
to
the
duct
work
a
separate
flue
and
the
flue
pipe
be
connected
to
a common
or
oil
furnace
burning
enter
the
common
point
ABOVE
the
flue
furnace.
two
or
more
appliances
the
area
flue,
of
at
least
equal
the
or vent
connector
plus
additional
flue
or vent
accord-
in
Code
and
must
so
that
simul-
operate
for
heat.
for
the. type
circulators.
are
the
used,
the
before
The
boiler
the
zone
valve
valves.
valves
valves
be
must
or
gas
fired
of
ventilating
connection
is
not
from
the
boiler
flue
with
a
the
flue
pipe
flue
or
at
chimney
pipe
the
from
coal
into
a
vent
the
common
flue
area
the
largest
of
50%
of
the
areas
connector.
(

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Hw-200Hw-225