MONITOR HEATING SYSTEM
Section
3:
Operation
3-1
CHEAT
SENSOR
Heat
Sensor
is
located
on the
rear
of the
cabinet.
It
is
recommended
to
leave
the
sensor
in its
original
mounted position. However should relocation
be
necessary, choose
a
location
for the
sensor that
is
not in the
path
of
direct sunlight, drafts
or the
flow
of
warm
air
from
the
heater. Loosen
the
screw
and re-
lease
the
sensor from
the
rear
of the
cabinet. Fas-
ten the
sensor
to the
wall with
the
screw.
3-11 MONITOR SHUTDOWN
A
simple
one-step procedure
is
utillized
to
shutdown
the
Monitor:
Press
ON/OFF push-button switch
to
position OFF;
the
OPERATION indicator will extinguish.
IMPORTANT: Once heater
has
shut down,
it
can-
not
be
restarted
until
post-purge
cycle
has
been
completed.
If
ON/OFF
switch
is
left
in
position
ON,
Monitor operation will auto-
matically restart upon completion
of
post-purge.
3-12 RECOVERY FROM
A
POWER FAILURE
It
power
to the
heater
is
interrupted,
a
thud-like noise
may be
heard
in the
combustion chamber.
This
is
normal,
and
should
not
cause alarm.
For
power interruptions
of up to 30
minutes,
the set
memory
is
kept
and
will
resume operation automati-
cally
with
the set
memory.
For
power interruptions beyond
30
minutes, your
heater
will
resume operation
(after
a 3
minutes cool
down
period)
in the
MANUAL mode
and
maintain
room
temperature according
to the
previous setting
temperature
you've selected
in
case
of
manual oper-
ation before power interruption,
the
initial setting
temperature
(60°F)
in
case
of
automatic operation
before
power interruption.
When
the
heater resumes operation,
The
Display
Window
will
show 88:88 indicating
the
need
to
reset
the
clock
and the day of the
week
for
automatic
op-
eration.
CHILD
LOCK:
NOTE:
The
CHILD LOCK
will
help
to
prevent acci-
dental
operation
as
well
as
small children
from
altering controls.
To
operate
the
CHILD
LOCK
simply
hold
the
"CHILD
LOCK" Button down
for 3
seconds,
or
until
you
hear
two
short
beeps.
The
function
is
activated imme-
diately
and the
"CHILD LOCK"
Light
will
illuminate.
To
deactivate
the
CHILD LOCK simply
hold
the
"CHILD
LOCK"
Button
down
for 3
seconds,
or
until
you
hear
two
short
beeps.
The
"CHILD LOCK"
Light
will
go
out.
The
lock
can be
deactivated
at any
time
in
this way.
During
normal operation
the
CHILD LOCK
may be
activated
and all
controls
other
than
the OFF
switch
will
be
locked. Deactivating
the
lock releases
the
controls.
If the
lock
is
activated while
the
heater
is
turned OFF, then
all
functions will
be
locked.
If the
heater
is
Turned
OFF
while
the
CHILD LOCK
is
acti-
vated,
if
cannot
be
turned
ON
again until
the
lock
is
deactivated.
3-13 RECOVERY FROM OVERHEAT CONDITION
The
Monitor
is
protected
against
damage
resulting
from
an
overheat
condition
by
115/110°C
automatic
reset
thermostat.
In the
event
of an
overheat
the
thermostat
is
trig-
gered
to cut off the
flow
of gas to the
Burner,
the
flame
is
extinguished automatically,
and
user
is
aler-
ted to the
overheat condition
by
indicating
the
code
"E17"
in the
display window.
To
recover from
an
overheat condition, proceed
as
outlined
below:
STEP1:
Turn
OFF
Heater
STEP2: Allow Monitor Heater
to
cool
NOTE:
Be
sure that heater
is
cool
to
touch.
A
period
of 30 to
45-minutes
should
be
sufficient
to
permit heater
to
cool completely.
STEP3:
Unplug
Heater
Disconnect
heater power cord from wall outlet.
37
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