1704VRC3-AMEN, p 26/35
Due
to
high
voltage
on
the spark
wire
and
electrode,
do
not
touch
when
energized.
See
hazard
levels.
Instructions
for
re
‐
assembly:
1.
Reverse
the
procedure
for
removal
making
sure
that
all
parts
are
installed
correctly.
Check
that
all
components
are
secure.
2
When
lighting,
always
follow
the
lighting
instructions
on
the
air
heater.
8.2
Burner
injectors
1.
Carry
out
steps
1
to
6
of
section
8.1.
2.
Unscrew
the
main
burner
injectors.
3.
Re
‐
fit
new
injectors.
4.
Re
‐
assemble
in
reverse
order.
8.3
Ignition
system
To
access
the
ignition
system,
follow
steps
1
to
3
in
§
8.1.
Ignitor
‐
refer
to
figure
9
and
locate
the
ignitor
(on
the
side
of
the
burner
rack).
Disconnect
the
wire,
remove
the
screw
and
the
ignitor.
Clean
with
an
emery
cloth.
Note:
Spark
gap
must
be
maintained
to
3.0
mm
(see
figure
10a).
Re
‐
fit
the
ignitor
as
per
figure
10b.
Flame
sensor
‐
Refer
to
figure
9
and
locate
the
flame
sensor.
Disconnect
the
wire,
remove
the
screw
and
the
flame
sensor.
Clean
with
an
emery
cloth.
Ignition
controller
‐
The
enclosed
integrated
circuit
monitors
the
operation
of
the
burner
including
ignition.
Do
not
attempt
to
dismantle
the
ignition
controller.
Each
heating
season
ignition
cables
should
be
checked
for
insulation
deterioration
and
good
connections.
Proper
operation
of
the
direct
spark
ignition
system
requires
a
minimum
flame
current
of
1,0
μ
A
when
measured
with
a
micro
‐
ammeter.
Fig.
10a
‐
Ignitor
assembly
For
further
information
and
checkout
procedure
of
the
direct
spark
ignition
system,
refer
to
the
manufacturers
control
operating
instructions
a
copy
of
which
is
supplied
with
the
air
heater.
Fig.
10b
:
Fitting
the
ignitor
8.4
Multi
‐
functional
gas
control
valve
1.
Ensure
gas
supply
to
the
air
heater
is
turned
OFF.
2.
After
the
air
circulation
fan
has
stopped,
switch
OFF
the
electricity
supply
to
the
air
heater.
3.
Mark
for
future
identification
and
disconnect
the
wires
connected
to
the
valve.
4.
Disconnect
the
gas
service
union
between
the
control
valve
and
the
gas
service
tap.
Remove
the
gas
control
valve.
5.
Re
‐
fit
a
replacement
valve
making
all
of
the
required
connections.
6
Carry
out
complete
commissioning
procedure
prior
to
placing
the
appliance
back
into
service
as
outlined
in
section
6.0
The
gas
control
operating
valve
is
the
prime
safety
shut
‐
off.
All
gas
supply
lines
must
be
free
of
dirt,
scale,
etc.
before
connecting
to
the
air
heater
thus
ensuring
positive
closure
of
the
control
valve.
8.5
Thermal
overheat
(limit)
controls
If
it
is
determined
that
the
thermal
overheat
control
needs
replacing,
use
only
authorized
replacements
that
are
designed
for
this
appliance.
To
gain
access
to
the
control,
open
the
controls
compartment
access
door.
Refer
to
figure
9
for
control
locations.
The
control
near
the
top
of
the
air
heater
is
a
disc
type
control.
Both
controls
are
capillary
types
with
a
capillary
tube
that
extends
into
the
heat
exchanger
area.
To
remove
the
controls,
disconnect
the
wires
leading
to
them,
remove
the
fixing
screws
and
lift
clear
of
the
inner
casing
panel.
When
replacing
a
capillary
control
be
careful
not
to
damage
the
capillary
tube
by
kinking.
Make
bends
with
a
generous
radius
(approx
25
mm).
Note
:
The
capillary
control
is
fitted
to
a
bracket.
With
the
bracket
removed
from
the
heater,
remove
the
control
from
the
bracket.
Содержание VRC-3 100-3
Страница 5: ...1704VRC3 AMEN p 5 35 VRC 30 3 VRC 45 3 ...
Страница 6: ...1704VRC3 AMEN p 6 35 VRC 60 3 VRC 75 3 ...
Страница 8: ...1704VRC3 AMEN p 8 35 VRC 30 3 with mix box VRC 45 3 with mix box ...
Страница 9: ...1704VRC3 AMEN p 9 35 VRC 60 3 with mix box VRC 75 3 with mix box ...
Страница 11: ...1704VRC3 AMEN p 11 35 VRC 30 3 with mix box and filters VRC 45 3 with mix box and filters ...
Страница 12: ...1704VRC3 AMEN p 12 35 VRC 60 3 with mix box and filters VRC 75 3 with mix box and filters ...
Страница 14: ...1704VRC3 AMEN p 14 35 2 5 Dimensions STANDARD UNIT ...
Страница 15: ...1704VRC3 AMEN p 15 35 UNIT WITH MIXING CABINET option 526 ...
