1704VRC3-AMEN, p 23/35
Never
use
a
flame
for
checking
gas
soundness.
6.5
Air
heater
gas
pipe
work
The
soundness
of
the
air
heater
pipe
work
has
been
checked
prior
to
leaving
the
factory.
However
during
installation,
connections
may
have
been
loosened.
Check
the
soundness
of
the
appliance
pipe
work
using
a
soapy
solution.
If
any
leaks
are
found
they
must
be
rectified
immediately.
6.6
Adjustments
6.6.1
Burner
gas
pressure
adjustment
The
gas
pressure
is
set
for
the
required
heat
input
before
the
appliance
leaves
the
factory.
Provided
the
gas
supply
to
the
air
heater
is
in
accordance
with
the
supply
pressure
described
on
the
appliance
data
plate
the
operating
pressure
will
not
require
adjustment.
To
check
the
pressure,
the
following
procedure
should
be
carried
out:
*
Ascertain
from
section
1
of
this
document
and
the
appliance
data
plate
the
correct
operating
gas
pressure
for
the
air
heater;
*
Turn
the
room
thermostat
control
to
its
lowest
setting;
*
Remove
the
screw
from
the
burner
pressure
test
point
of
the
multi
‐
functional
control
valve.
Connect
a
manometer
to
the
test
point(
see
figure
7);
*
Adjust
the
room
thermostat
to
call
for
heat
e.g.
above
room
ambient
temperature;
*
Observe
the
burner
gas
pressure
on
the
manometer
and
compare
to
the
required
pressure;
*
If
necessary,
adjust
the
burner
gas
pressure
(only
for
natural
gas).
Remove
the
cover
screw.
Turn
the
regulator
screw
anti
‐
clockwise
to
decrease
pressure
or
clockwise
to
increase
pressure
(see
figure
7);
*
Set
room
thermostat
to
lowest
setting
to
turn
the
burners
OFF.
Replace
the
test
point
screw
(if
removed)
and
with
the
main
burner
alight,
test
for
gas
soundness
using
a
soapy
solution.
Reset
temperature
control/room
thermostat
to
comfort
operating
level.
Figure
7
:
Honeywell
gas
valve
1
Gas
valve
HONEYWELL
VR4601AB
2
Inlet
pressure
gas
test
point
3
Burner
pressure
gas
test
point
4
Burner
pressure
regulator
cover
5
Burner
pressure
regulator
6
Electrical
connection
230V
6.7
Air
distribution
system
Adjust
the
air
outlet
discharge
louvers
to
provide
a
satisfactory
spread
of
the
warm
air.
Direct
the
air
towards
the
floor
avoiding
blowing
directly
on
people
who
may
be
in
the
vicinity
of
the
appliance.
If
louver adjustment
is
carried
out
whilst
the
appliance
is
hot
wear
gloves
to
avoid
being
burnt.
Содержание VRC-3 100-3
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