Preliminary Checks - Lennox FLEXY II Series Installation, Operating And Maintenance

INSTALLATION
FORKLIFT PROTECTIONS
NEVER LIFT THE UNIT WITHOUT FORKLIFT PROTECTIONS
REMOVE THE FORKLIFT PROTECTIONS
BEFORE INSTALLATION

PRELIMINARY CHECKS

Bef ore installing the equipment, the following points MUST
be checked:
- Hav e the f orklift protections been remov ed?
- Is there sufficient space for the equipment?
- Is the surf ace on which the equipment is to be
installed sufficiently solid to withstand its weight? A
detailed study of the f rame must be made bef orehand.
- Do the supply and return ductwork openings
excessiv ely weaken the structure?
- Are there any obstructing items which could hinder
the operation of the equipment?
- Does the electrical power av ailable correspond to the
equipment's electrical specifications?
- Is drainage provided for the condensate?
- Is there sufficient access for maintenance?
- Installation of the equipment could require different
lif ting methods which may vary with each installation
(helicopter or crane). Hav e these been ev aluated?
- Ensure that the unit is installed in accordance with the
installation instructions and local applicable codes.
- Check to ensure that the ref rigerant lines do not rub
against the cabinet or against other ref rigerant lines.
In general, make sure no obstacles (walls, trees or roof
ledges) are obstructing the duct connections or hindering
assembly and maintenance access.
IOM – FLEXY II – 1007 – E
INSTALLATION REQUIREMENTS
The surf ace on which the equipment is to be installed must
be clean and f ree of any obstacles which could hinder the
f low of air to the condensers:
-Av oid unev en surfaces
-Av oid installing two units side by side or close to each
other as this may restrict the airflow to the condensers.
Bef ore installing a packaged Rooftop unit it is important to
understand:
- The direction of prev ailing winds
-The direction and position of air f lows.
-The external dimensions
dimensions of the supply and return air connections.
-The arrangement of the doors and the space required
to open them to access the various components.
CONNECTIONS
-
Ensure that all the pipe-work crossing walls or roofs
are secured, sealed and insulated.
-To av oid condensation problems, make sure that all
pipes are insulated according to the temperatures of
f luids and type of rooms.
NOTE: The AQUILUX protection sheets f itted to the f inned
surf aces must be removed prior to start up.
of the unit and the
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