Installation
19
│
Page
1.
Turn
off
all
electric
power
to
the
water
heater
if
service
is
to
be
performed.
2.
Turn
the
manual
gas
valve
located
on
the
outside
of
the
unit
clockwise
to
the
off
position.
‐
Measuring
inlet
gas
pressure
‐
The
water
heater
cannot
perform
properly
without
sufficient
inlet
gas
pressure.
Below
are
instructions
on
how
to
check
the
inlet
gas
pressure.
THIS
IS
ONLY
TO
BE
DONE
BY
A
LICENSED
PROFESSIONAL.
1.
Shut
off
the
manual
gas
valve
on
the
supply
gas
line.
2.
Remove
the
screw
for
the
pressure
port
located
on
the
gas
inlet
of
the
water
heater
shown
in
the
diagram
to
the
right.
3.
Connect
the
manometer
to
the
pressure
port.
4.
Re
‐
open
the
manual
gas
valve.
Check
to
see
that
there
are
no
gas
leaks.
Open
some
of
the
fixtures
that
use
the
highest
flow
rate
to
turn
on
the
water
heater.
5.
Check
the
inlet
gas
pressure.
When
the
water
heater
is
on
maximum
burn,
the
manometer
should
read
from
5.0”
to
10.5”
WC
for
Natural
gas,
from
8.0”
to
14.0”
WC
for
Propane.
Pressure
port
Содержание 115
Страница 44: ...Warranty 44 Page 75E012 1 HS115 ...
