Lennox eNeRGy Series Installation, Operating And Maintenance page 21

DELIVERY CHECKS
The surface must support the unit base frame which is composed of two parallel rails:
The surface must support continuously the entire area of these 2 rails (no rubber pad, no spring, no block...). See bottom view of the unit:
In case of installing the unit on dedicated structure (for example a specific metallic frame structure), the structure must be compliant with
the unit base frame design and dimensions (width is the same for all units; length depends on the unit so refer to 2D drawing available):
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eNeRGy-IOM-2020.11-EN 21