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MUA-SVX004B-EN
Receiving Instructions
Inspect shipment immediately when received to determine if any damage has occurred to the
crate during shipment.
After the unit has been uncrated, check for any visible damage to the unit. Check motor position
and turn blower wheel to determine if damage has occurred to these critical parts. If any damage
is found, the cosignee should sign the bill of lading indicating such damage and immediately file
claim for damage with transportation company.
Pre-Installation Instructions
Installer Please Note: This equipment has been test fired and inspected. It has been shipped free
from defects from our factory. However, during shipment and installation, problems such as
loose wires, leaks or loose fasteners may occur. It is the installer's responsibility to inspect and
correct any problems that may be found. When the unit is received and uncrated, check the
external data plate and all labels on the unit for type of gas, electrical, and operational
specifications to confirm that these agree with those at point of installation.
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e:: It is the owner's responsibility to provide any scaffolding or other apparatus required to
perform emergency service or annual/periodic maintenance to this equipment.
Rigging
Rig the unit using either belt or cable slings. Use spreader bar to protect the top of the unit when
it is lifted. The furnace units are provided with two holes in the base rail on each side of the unit.
Slide pipes beneath the unit through these holes and attach rigging to the pipes for lifting the
unit.
Location
Before placing the rooftop unit in its permanent location, make certain that the roof is capable of
carrying the additional load of this equipment. Check the shipping weights given in Chart 2. Refer
to Figures 1, 2 and 6 and charts 1 and 2 for adequate unit dimensions and required clearances.
Mounting
The units are mounted on skids and are suitable for use on combustible flooring. It is
recommended that the skids be mounted either on level solid planking or steel channels, but
never on a soft tar roof where the skids could sink and reduce the clearance between the bottom
panel and the roof. Roofcurb kits for rooftop gas heating units are shipped knocked down. A curb
kit contains (insulated) curb rails, hardware, sealant, self-adhering rubber gasketing, and
installation instructions. Roof insulation, cant strips, flashing, roof felts, caulking and nails must
be furnished by the installer. See separate curb specifications from manufacturer.
