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Purge air and swarf from gas line. Connect gas. Connection
can easily be reached
from the right hand side rear of the
appliance.
Remove bottom trim (pulls off). Remove louvres (6 screws)
and front panel.
PRESSURE CHECKING
PROCEDURE:
Caution-240
V inside appljance.
1. Check that SW6 (Dip switches)
are correct for the gas
type for which
the appliance
is to be used. (Refer to
diagram opposite).
2. There are two test points, one on the heat exchanger,
one on the gas manifold.
Connect
a pressure
gauge
between
both test
points.
(Connect
one side of
the
gauge to one point, the other side of the gauge to the
other).
If you
are
using
an
electronic
manometer,
connect
the 0
side to the heat exchanger
test point.
3. Press the
ON/OFF
button
to operate
the appliance.
4. With the appliance
operating,
press SW5 once.
5. Press SW4 to operate
the appliance
on forced
low.
6. Check the pressure against the low pressure shown on
the date plate. (Left hand side panel)
7. Press SW4 again.
8. Press SW3 to operate
the appliance
on forced
high.
9. Check
the pressure
against
the high pressure
shown
on the data plate.
10. Press SW3 again.
11. Press
SW5
again
to
return
the
heater
to
normal
operation.
12.Turn
the heater OFF, remove the pressure
gauge, and
replace the test point screws.
13. Reassemble
appliance,
set
the
clock,
(See
page
13) and check
appliance
operation.
THE
REGULATOR
HAS
BEEN
FACTORY
PRE-SET.
IF
THE
PRESSURE
IS INCORRECT,
CHECK
THE
SUPPLY
PRESSURE FIRST, BEFORE MAKING
ANY ADJUSTMENT
TO THE APPLIANCE.
IF THE
PRESSURE
NEEDS
RE-SETTING
FOLLOW
THE
INSTRUCTIONS
BELOW:
1. Follow
checking
procedure
1-6, reset the low pressure
by
using
the
"A"
"A"
or 'IV"
buttons
on the
control
panel.
2. Press
SW4
again
to
lock
in the
selected
setting.
3. Follow
checking
procedure
8 and
9, reset
the
high
pressure
by using
the
"A"
"A"
or 'IV"
buttons
on the
control
panel.
4. Press
SW3
again
to
lock
in the
selected
setting.
5. Press SW5 to return the heater
to normal
operation.
6. Turn the heater OFF, remove the pressure
gauge, and
replace
the test point screws.
7. Reassemble
appliance,
set
the
clock
(See
page
13) and check
appliance
oqeration.
431FT
Manifold
Pressure DOWN
\
Pressure UP
-28-
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