Recirculating gas rooftop, 3 m³/s
by HVAC Builder
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The gas rooftop without its outside-air damper: a DX coil on a scroll, a gas furnace downstream of it for heat and reheat, a supply fan, a two-fan condenser — for a floor whose outside air comes from a dedicated unit. Published as an example; the figures below are solved from this model.
Example25–60 kW coolingEUExample system. Published by HVAC Builder to show suppliers what their own page looks like. There is no company behind it and it is not a product offer — the specification is generic and the performance is solved from the model on this page.
Design-point performance
Solved from this example's own model as it is published — the same numbers a supplier's page shows for their machine.
Component schedule
| Component | Kind | Duty |
|---|---|---|
| DX coil | DX evaporator | 56.5 kW |
| Gas furnace, 80 % | Heater | 0.0 kW |
| Supply fan | Fan | -1.4 kW |
| Scroll compressors (4 × ZP49KHE) | Compressor | 12.5 kW |
| Air-cooled condenser | Condenser | -68.4 kW |
| Condenser fans (2) | Fan | -2.4 kW |
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