3.0
Installation
It
is
strongly
advised
that
the
installer
reads
Section 2
and
Section 3 of this
manual
prior
to
starting
any
installation work. It is a
requirement
that only qualified
and
competent
personnel
may
undertake
installation, commissioning,
and
servicing.
3.1
Packaging/siting
The
heater
will
usually
be
supplied
wrapped
in
heavy
gauge
polythene, non-as
sembled
parts
will be
supplied
separately.
Prior
to installation, the
assembly
of the
heater
s
hould
be
completed,
it
is
advisable
that this is
undertaken
in the area ""here
the
heater
is
scheduled
to be sited.
Caution
It
is
strongly
advised
that
when
positioning
the
heater
the
lifting
eyes
are
us
ed,
thereby
reducing
the risk of
inadvertent
damage
being
occasioned to
the
heater.
The
heater
will
usually
be
supplied
wrapped
in
heavy
gauge
polythene,
with
non-a
s
sembled
parts
(outlet nozzles,
bonnet
top, etc.)
supplied
separately. Prior to installation the
heater
must
be
correctly
positioned
before
any
final
assembly
work
is
completed
.
The
bonnet
top
and
outlet
nozzles
must
be
securely attached before installation
can
commence.
3.2 Flooring
The
heater
must
be
installed
on
a level
non
combustible
surface
capable
of
supporting
the
weight
of
the
heater
and any
ancillary
equipment
.
3.3
Minimum
clearances
The following
minimum
clearances (in metres)
must
be
observed
,.
"hen
installing the heater.
Model
top
I
lhs
rhs
front
back
WH
60-
301
WH375
0.9
2.0
0.9
0.9
0.9
0.9
0.5
2.0
1.
35
2.0
3.4
Assembly
The following
parts
should
be
assembled
to
allow
installation to continue.
(a) Vertical
Nozzled
Models
For
free
blowing
applications
it
will
be
necessary
to
complete
the
final
assembly
before
continuing
with
the
installation.
The
bonnet
top
with
nozzle
spigots
should
be
attached
to the
heater
and
secured. The nozzles
should
then
be
pushed
home
on
the
spigots
and
approximately
positioned
to
provide
the
desired
air
flow. The
nozzles
must
be
securely
fixed in
their
desired
position
upon
completion
of commissioning.
(b)
Horizontal
Nozzled
Models
Remove
packaging/wrapping
and
secure the
90°
Duct Outlet to the outlet
on
the heater using the
bolts
supplied
with
the heater. Fasten the nozzle spigot plate to the
duct
outlet using the bolts
and
prevailing torque nuts provided. Fit the securing brackets to each of the outlet nozzles,
and
then lift the
complete heater assembly
and
position on the pre-sited
purpose
built supports. Finish off the assembly
by
fitting
and
securing the outlet nozzles to the spigots
by
way
of the previously fitted brackets.
15
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