Operating instructions, Before the water heater will operate, Operation – Kenmore 153.335963 User Manual
Page 24
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Operating Instructions
This water heater is equipped with an electrically operated vent
ing system and a standing pilot. For the burner to come on, the
water heater thermostat must call for heat. Then the system will
begin
sequencing,
each
section
proving
itself
before
gas
is
allowed to flow to the burner.
BEFORE THE WATER HEATER WILL OPERATE:
1.
The
control
system
must
be
connected
to
a
110/120
volt
power supply. The control system has an overall rating of 2
amps.
The
water
heater
must
be
securely
and
adequately
grounded
in
accordance
with
local
codes
and
with
the
latest
edition of the National Electrical Code ANSI/NFPA 70.
2.
The
ON/OFF
toggle
switch,
located
on
the
control
box
above
the
thermostat
must
be
in
the
“ON”
position
for
the
electrical
control
system
to
operate
allowing
the
gas
portion
to operate (ignite burner).
3. The pilot must be lit. See Lighting instructions on page 23
of
this
manual
or
located
adjacent
to the
thermostat on
the
water heater.
►
4.
The
gas
control
knob
located
on
the
thermostat
must
be
turned to the “ON” position for the gas to be able to flow.
5.
The venting manual reset switch must be in the closed posi
tion.
See
“Venting
Manual
Reset
Switch”
in
the
“For
Your
Information Section”.
6
.
There
is
a
non-resettable
hi-limit
switch
in
the
thermostat,
which must be good (closed) for the thermostat to be oper
ated,
See
“High
Temperature
Shut
Off
System”
in
the
“For
Your Information Section”,
OPERATION
When the thermostat calls for heat, gas is allowed to flow to a
(Normally
open)
pressure
switch
closing
it.
An
electrical
circuit
is
then
made
to
the
blower,
turning
it
on.
The
indicator
light
located on the control box will come on. When the blower has
achieved
sufficient
venting,
the.air
pressure
switch
will
close
and
the indicator light will go off. A 120 volt circuit will be com
pleted
through
the
venting
manual
reset
switch
and
on
to
the
120
volt
gas
valve
located
just
below
the
thermostat.
The
120
volt gas valve will open allowing gas to 0ow to the burner. The
standing pilot will establish a main burner flame.
GAS CONTROL
24