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requirement per unit output increases dramatically from 0.93 bhp/ton (0.20 kWm/kW at 40°F (5°C) to 1.64 bhp/ton (0.35 kW^/kWr) at 5°F (-15°C).

Figure 33-5 illustrates the effect of condensing temperature. For example, at a condensing temperature of 77°F (25°C), the capacity is 470 tons (1,653 kWr), while at 131°F (55°C), the capacity is 363 tons (1,276 kWQ. At 77°F (25°C), the full-load power requirement is 503 bhp (375 kWm), while at 131°F (55°C), the full-load power requirement is 667 bhp (497 kW^). Both capacity and COP decrease at higher condensing temperatures.

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