1704VRC3-AMEN, p 19/35
When
a
number
of
heaters
are
to
be
connected
as
part
of
a
single
installation
each
heater
must
be
provided
with
a
separate
isolator.
The
electrical
connection
to
the
air
heater
is
at
the
back
of
the
appliance.
The
final
connection
must
be
made
in
the
terminals
provided
in
the
control
compartment.
Follow
the
wiring
diagram
provided
with
the
air
heater.
Electrical
supply
cable
conductor
size
should
be
1.5
mm.
Fit
the
cord
grip
supplied
with
the
heater.
The
length
of
conductors
between
the
cord
grip
and
the
terminals
must
be
such
that
in
the
event
that
the
cable
becomes
taut
the
line
conductors
do
so
before
the
earth
conductor.
3.7
Gas
supply
VRC
‐
3
air
heaters
are
designed
to
operate
on
either
natural
gas
(G20)
or
propane
gas
(G31).
Refer
to
the
specifications
in
section
2
of
this
document
and
to
the
data
plate
for
details
of
supply
pressures.
The
gas
meter
and
gas
service
must
be
checked
by
the
supply
undertaking
to
ensure
that
they
are
adequate
to
deal
with
the
total
load
of
all
gas
fired
apparatus
installed.
INSTALLATION
4.1
Unpacking
and
preparation
Prior
to
dispatch,
the
air
heater
was
operated
and
tested
at
the
factory.
If
the
heater
has
incurred
any
damage
in
shipment,
file
a
report
claim
within
2
working
days
from
receipt.
Check
the
shipping
label
and
data
plate
to
ensure
the
specification
of
gas
and
electrical
supplies
are
compatible.
Read
this
document
and
become
familiar
with
the
installation
requirements
and
the
appliance
before
commencing
installation.
4.2
Suspending
the
air
heater
Before
installing
the
appliance,
check
to
ensure
that
the
supporting
structure
is
adequate
to
carry
the
weight
of
the
appliance
and
its
ancillaries
i.e.
flue
system.
Please
check
weights
specified
in
table
1.
When
the
heater
is
lifted
for
suspension,
support
the
bottom
of
the
heater
with
plywood
or
other
appropriately
placed
material.
If
the
bottom
is
not
supported,
damage
could
occur.
The
heater
is
supplied
with
four
point
suspension.
All
points
must
be
used.
Two
threaded
nut
retainers
are
provided
on
each
side
of
the
top
of
the
heater.
See
dimensions
in
section
2.2
and
figure
3.
Be
sure
that
the
threaded
hanger
rods
are
locked
to
the
heater
as
illustrated.
Recommended
maximum
hanger
rod
length
is
1.8m.
IMPORTANT
:
Suspend
the
heater
from
the
threaded
nut
retainers.
Do
not
suspend
from
the
heater
cabinet
panels.
Do
not
place
or
add
additional
weight
to
the
suspended
air
heater.
See
hazard
levels,
page
2.
The
heater
must
be
installed
in
a
level
plane
to
ensure
proper
operation.
Figure
3
Suspension
detail
Add
a
nut
to
lock
the
M10x1.5
hanger
rod
to
the
heater
4.3
Fitting
the
Combustion
air
inlet/Flue
system
Flue
pipe
runs
may
be
horizontal
or
vertical
and
terminate
either
through
the
wall
or
roof.
See
table
5
for
maximum
pipe
length
for
an
appliance
installed
as
type
B
or
table
6
for
maximum
lengths
and
approved
supplied
concentric
terminals
for
a
heater
installed
as
a
type
C
appliance.
All
pipe
runs
must
be
independently
supported
so
that
the
heater
does
not
carry
any
of
the
weight
of
the
flue
system.
4
Содержание VRC-3 100-3
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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 ...
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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 ...