Installation
8
Installation
Overview
The
following
instructions
are
intended
to
help
prevent
potential
hazards
and
installation
should
only
be
carried
out
by
a
qualified
electrician
and
installer.
This
booklet
covers
both
the
MON
‐
HRU/230
‐
100,
MON
‐
HRU/330
‐
100
and
MON
‐
HRU/
400
‐
150.
The
control
systems
are
identical
on
both
units.
There
are
some
differences
during
the
physical
installation
that
the
installer
needs
to
be
aware
of.
NOTE:
we
advise
installers
to
fix
all
mains
and
sensor
wiring
prior
to
fixing
the
MVHR
unit
in
position.
Before Installation of the Unit
Inspect the Unit
When
taking
delivery
of
the
unit,
check
the
items
delivered
against
the
enclosed
delivery
note.
Inspect
the
unit
for
damage
in
transit.
If
in
doubt,
contact
Customer
Services.
Each
box
contains
a
MON
‐
HRU
unit
and
an
accessory
pack
containing
wall
brackets,
condensate
drain
link
pipes,
worm
‐
drive
clips,
fixings
and
product
documentation.
Lift and Move the Unit Safely
On
page
5
check
the
weight
of
the
unit
that
you
are
installing.
Always
use
appropriate
lifting
techniques
and
appliances
when
moving
heavy
equipment.
Check Site Requirements and Safety Notices
Check
that
the
physical
and
environmental
conditions
for
the
site
meet,
or
exceed,
the
requirements
detailed
in
the
Technical
Specification
on
page
4
.
Read
and
observe
the
safety
notices
listed
in
Warnings
and
Safety
Information
on
page
2.
Unit Installation
The
MON
‐
HRU/230
‐
100
unit
is
typically
installed
on
a
wall
in
a
kitchen,
storage
cupboard,
roof
void,
or
similar.
It
will
fit
in
a
600
mm
(external)
x
300
mm
deep
(internal)
kitchen
wall
cupboard.
The
MON
‐
HRU/330
‐
100
and
MON
‐
HRU/
400
‐
150
units
are
typically
installed
on
a
wall
in
a
utility
room,
storage
cupboard,
roof
void,
or
similar.
The
wall
should
have
sufficient
strength
to
support
the
unit.
Take
into
consideration
the
position
of
the
electrical
services
and
the
condensate
drain.
Ensure
there
is
an
adequate
access
for
installation,
operation
and
maintenance.
It
is
recommended
that
a
local
disconnection
mains
and
sensor
terminal
box
is
installed
within
1m
of
the
unit
to
facilitate
future
maintenance.
The
unit
MUST
always
be
mounted
vertically
with
ducting
exiting
vertically
or
horizontally.
Do
not
use
this
unit
as
a
support
for
any
other
equipment.
