Heat Controller MSH-024B/A Air Conditioner User Manual


 
Installation
IMPORTANTI
Please
read
this
instruction
sheet
completely
before
installing
the
product.
This
air
conditioning
system
meets
strict
safety
and
operating
standards.
As
the
installer
or
service
person,
it
is
an
important
part
of
your
job
to
install
or
service
the
system
so
it
operates
safety
and
efficiently.
"
Installation
or
repairs
made
by
unqualified
persons
can
result
in
hazards
to
you
and
others.
Installation
MUST
conform
wfh
local
building
codes
or,
n
the
absence
of
local
codes,
with
the
National
Electri
c
al
Code
NFPA
701ANSI
C11-1993
orcurrent
edition
and
Canadian
Electrical
Code
Partl
CSA
C22.1.
"
The
information
contained
in
the
manual
is
intended
for
use
by
a
qualified
service
technician
familiar
with
safety
procedures
and
equipped
with
the
proper
tools
and
test
instruments.
"
Failure
to
carefully
read
and
follow
all
instructions
in
this
manual
can
result
in
equipment
malfunction,
property
damage,
personal
injury
and/or
death.
CAUTION:
Improper
installation,
adjustment,
alteration,
service
or
maintenance
can
void
the
warranty.
The
weight
of
the
condensing
unit
requires
caution
and
proper
handling
procedures
when
1'dting
or
moving
to
avoid
personal
injury.
Use
care
to
avoid
contact
with
sharp
or
pointed
edges.
Safety
Precautions
"
Always
wear
safety
eye
wear
and
work
gloves
when
installing
equipment.
"
Never
assume
electrical
power
is
disconnected.
Check
with
meter
and
equipment.
"
Keep
hands
out
of
fan
areas
when
power
is
connected
to
equipment.
"
R-22
causes
frostbite
bums.
"
R-22
is
toxic
when burned.
NOTE
TO
INSTALLING
DEALER:
The
Owners
Instructions
and
Warranty
are
to
be
given
to
the
owner or
prominently
displayed
near
the
indoor
Fumace/Air
Handler
Unit.
When
wiring:
Electrical
shock can
cause
severe
personal
injury
or
death.
Onl
y
a
qualified,
experienced
electrician
should
attempt
to
wire
this
systerrl
" Do
not
supply
power
to
the
unit
until
all
wiring
and
tubing
are
completed
or
reconnected
and
checked.
"
Highly
dangerous
electrical
voltages
are
used
h
this
system.
Carefully
refer
to
the
wiring
diagram
and
these
Instructions
when
wiring.
Improper
connections
and
inadequate
grounding
can
cause
accidental
injury
or
death.
"
Ground
the
unit
following
local
electrical
codes.
"
Canned
all
wiring
tightly.
Loose
wiring
maycause
overheating
at
connection
parts
and
a
possible
fire
hazard.
When
transporting:
Be
careful
when
picking
up
and
moving
the
indoor
and
outdoor
units.
Get
a
partner
to
help,
and
bend
your
knees
when
lifting
to reduce
strain
on
your
back.
Sharp
edges
or
thin
aluminum
tins
on
the
air
conditioner
can
cut
your
finger.
When
Installing..
in
a
wall:
Make
sure the
wall
is strong
enough to
hold
the
units
weight
h
may
be
necessary
to
construct
a
strong
wood
or
metal frame
to
provide
added
support.
in
a
room:
Properly
insulate
any
tubing run
inside
a
room
to
prevent
-sweating'
that
can
cause
dripping
and
water
damage
to
wall
and
floors.
...
In
moist
or
uneven
locatinons:
Use
a
raised
concrete
pad
or concrete
blocks
provide
a
solid,
level
foundation
for
the
outdoor
unit.
This
prevents
water
damage and
abnormal
vibration.
...
In
an
area
with
high
winds:
Securely
anchor
the
outdoor
unit
down
with
bolts
and
a
metal
frame.
Provide
a
suftable
air
baffle.
in
a
snowy area(for
Heat
Pump
Model):
Install
the
outdoor
unit
on
a
raised
platform
that
is
higherthan
drilling
snow.
Provide
snow
vents.
When
connecting
refrigerant
tubing
"
Keep
all
tubing
runs
as
short
as
possible.
"
Use
the
flare
method for
connecting
tubing.
"
Check
carefully
for
leaks
before
starting
the
test
run.
When
servicing
"
Turn
the
power
OFF
at
the
main
power
box(mains)
before
opening
the
unit
to check
or
repair
electrical
parts
and
wiring.
"
Keep your
fingers
and
clothing
away
from
any
moving
parts.
"
Clean
up
the
ate
after you
finish,
remembering
to check
that
no
metal
scraps
or
bits
of
wiring
have
been
left
inside
the
unit
being
serviced.
-24-
"
0