Whirlpool WGGE43 Instruction Manual download pdf (Page 5)

■ To avoid possible corrosion of the heat exchanger, do not

locate the unit in an area where the outdoor air (for example,

combustion air for the unit) will be frequently contaminated by

compounds containing chlorine or fluorine. Common sources

of such compounds include swimming pool chemicals and

chlorine bleaches, paint stripper, adhesives, paints,

varnishes, sealers, waxes (which are not yet dried) and

solvents used during construction and remodeling. Various

commercial and industrial processes may also be sources of

chlorine/fluorine compounds.

■ To avoid possible illness or death of the building occupants,

do not locate outside air intake device (economizer, manual

fresh air intake, motorized fresh air intake) too close to an

exhaust outlet, gas vent termination or plumbing vent outlet.

For specific distances required, consult local codes.

■ Allow minimum clearances from the enclosure for fire

protection, proper operation, and service access. These

clearances must be permanently maintained.

■ The combustion air inlet and flue outlet hoods on the unit

must never be obstructed. If used, do not allow the

economizer/manual fresh air damper/ motorized fresh air

damper to become blocked by snow or debris. In some

climates or locations, it may be necessary to elevate the unit

to avoid these problems.

■ When the unit is heating, the temperature of the return air

entering the unit must be between 50°F and 100°F (10ºC and

38ºC).

Ground Level Installations Only

■ When the unit is installed on the ground adjacent to the

building, a level concrete (or equal) base is recommended.

Prepare a base that is 3" (7.6 cm) larger than the package unit

footprint and a minimum of 3" (7.6 cm) thick.

■ The base should also be located where no runoff of water

from higher ground can collect in the unit.

Ground Level Installation

Rooftop Installations Only

NOTE: To ensure proper condensate drainage, unit must be

installed in a level position.

■ To avoid possible property damage or personal injury, the

roof must have sufficient structural strength to carry the

weight of the unit(s) and snow or water loads as required by

local codes. Consult a structural engineer to determine the

weight capabilities of the roof.

Rooftop Installation

■ The unit may be installed directly on wood floors or on Class

A, Class B, or Class C roof covering material.

■ To avoid possible personal injury, a safe, flat surface for

service personnel should be provided.

Roof Curb Installations Only

■ Sufficient structural support must be determined prior to

locating and mounting the curb and package unit.

■ Ductwork must be constructed using industry guidelines. The

ductwork must be placed into the roof curb before mounting

the package unit.

■ Curb insulation, cant strips, flashing and general roofing

material are furnished by the contractor.

Roof Curb Installation

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Whirlpool WGGE43 Instruction Manual Page 5

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