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Evaporative Cooling installation methods
An overview and summary
There are two principles of installation: External and Internal
External installation - Down discharge
The majority of coolers are installed in this way. The extract would typically be 80% of the total cooler capacity.

Roof mounted down discharge systems are typically mounted using a soaker sheet to provide a weather proof installation.
Pitched Metal Roof – flat soaker sheet
Pitched metal roof – GRP finish
Membrane Roof
Down discharge into side wall
Glass panel replacement
Pitched metal roof – profiled soaker
Flat Roof – Felt
With Attenuator
Flat soaker sheet to ridge cap
Skylight replacement
External installation - Top discharge
Gantry Mount
Ducted
Floor mount
Ducted
External installation - Side discharge
This installation is often used where roof access is difficult.
Side discharge into cladding
Side discharge into plant room
With sound attenuator
Side discharge into ducting
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