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INSTALLATION
Step 1 -- Unpack
and Inspect
Units
--
Units
are
packaged
for shipment to avoid damage during normal transit
and handling. It is the receiving party's responsibility
to inspect
the equipment upon arrival. Any obvious damage to the carton
and/or its contents should be reported on the bill of lading and a
claim should be filed with the transportation company
and the
factory. Unit should always be stored in a dry place, and in the
proper orientation
as marked on the carton.
To avoid equipment
damage, do not lift unit by the drain
pipe or refrigerant
piping.
Unit should be lifted using the
mounting brackets.
After determining
the condition
of the carton exterior, care-
fully remove
each unit from the carton and respect for hidden
damage.
Check to make sure that items such as thermostats,
controller
etc. are accounted
for whether packaged
separately
or shipped at a later date. Any hidden damage should be re-
corded, a claim should be filed with the transportation
compa-
ny, and the factory should be notified. In the event a claim for
shipping
damage
is filed, the unit, shipping
carton, and all
packing must be retained
for physical inspection
by the trans-
portation
company.
All units should be stored in the factory
shipping
carton with internal packaging
in place until installa-
tion.
PROTECTING
UNITS FROM DAMAGE
-- Do not apply
force or pressure to the coil, piping, or drain stub-outs
during
handling. All units should be handled by the chassis or as close
as possible to the unit mounting point locations.
The unit must always
be properly
supported.
Temporary
supports used during installation
or service must be adequate to
hold the unit securely.
To maintain
warranty,
protect
units
against hostile
enviromnents
(such as rain, snow or extreme
temperature),
theft, vandalism,
and debris on jobsite.
Equip-
ment covered in this manual is not suitable for outdoor installa-
tions. Do not allow foreign material to fall into drain pan. Pre-
vent dust and debris from being deposited on motor, fan wheels
and coils. Failure to do so may have serious adverse effects on
unit operation
and in the case of motor and blower assembly,
may result in ilrunediate
or premature
failure. Failure of any
unit caused by deposits
of foreign
material
on the motor or
blower wheels will not be covered by the manufacturer's
war-
ranty. Some units and/or job conditions
may require some form
of temporary
covering during construction.
PREPARING
JOBSITE
FOR UNIT
INSTALLATION
--
To save time and to reduce the possibility
of costly errors, set
up a complete
sample installation
in a typical room at jobsite.
Check all critical dimensions
such as pipe, wire, and duct con-
nections
requirements.
Refer
to job
drawings
and product
dimension
drawings
as required.
Instruct
all trades in their
parts of the installation.
Units must be installed
in compliance
with all applicable local code requirements.
IDENTIFYING
AND PREPARING
UNITS
--
Be
sure
power requirements
match
available power
source. Refer to
unit nameplate
and wiring diagram. In addition:
•
Check all tags on unit to determine
if shipping
screws are
to be removed.
Remove
screws as directed.
•
Rotate
the fan wheel by hand to ensure
that the fan is
unrestricted
and can rotate
freely.
Check
for shipping
damage and fan obstructions.
Adjust blower motor as
required.
Step 2 -- Position
the Unit
Units must not be installed where they may be exposed to
potentially
explosive
or flammable
atmosphere.
If this
instruction
is not followed
exactly, a fire or explosion
may
result, causing property damage, injury, or loss of life.
Install the unit in a location that meets the following require-
ments:
Allow adequate
space for installation,
service
clearance,
piping
and electrical
connections,
and necessary
duct-
work. For specific
unit dimensions,
refer to Table 1 and
Fig. 2. Allow
clearance
according
to local and national
codes.
•
Confirm
that the ceiling is able to support
the weight of
the unit. See Table 1 for nominal
weight.
•
There should be enough room within the false ceiling for
installation
and maintenance
(see Fig. 3).
•
The false ceiling should be horizontal
and leveled.
•
Install the unit in a location
within
the room that allows
uniform
air flow in all directions.
CONNECTION
TO
DRAIN PIPE OUTLET
//)
_
AIR OUTLET
AIR
INLET
PANEL
345/8 in.
(CEILING
OPENING)
7-/_///////////////////
CONNECTION
PORT
/ REFRIGERANT
PIPE
(LIQUID
SIDE)
40WAF UNIT SIZE
009-024
030-048
DIMENSION (in.)
9
_> 101/4
11 7/8
_> 13
Fig. 3 -- False Ceiling Installation
Select the unit position with the following points in mind:
•
The unit should
be installed
in a position
that is suitable
to support the total weight of the unit, refrigerant
piping
and condensate.
Proper
access
should
be provided
for maintenance
for
refrigerant
piping,
EXV
(electronic
expansion
valve),
electrical
box, and condensate
pump.
A 2-ft clearance
is
recommended
all around the unit.
•
The unit should be at least 3 1/4 ft from a wall or similar
obstruction.
See Fig. 4.
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