AHI Carrier Catalog | Page 142

Operating ranges Operating range - 30RBM 160-520 Operating range - 30RBP 160-520 Part load Part load option 16 Entering air temperature, °C Option 28 Options 28B-28C for size 160 Options 28B-28C Entering air temperature, °C COOLING Part load Leaving evaporator water temperature, °C Leaving evaporator water temperature, °C Notes: Evaporator ∆T = 5 K Operating ranges are guidelines only. Verify operating range with the Carrier electronic catalog. Legend: Standard unit 30RBM or 30RBP operating at full load. Operating range, 30RBM unit is equipped with options 28, 28B, 28C “Winter operation”. Options 28B, 28C (with two-speed lead fan for each circuit) allows operation down to -10 °C outside temperature. Extension of the operating range, 30RBM unit equipped with option 28. Option 28 (with variable-speed lead fan for each circuit) allows operation below to -20 °C outside temperature. In addition to the options 28, 28B, or 28C for 30RBM units or for operation at an air temperature below 0 °C for 30RBP units must either be equipped with the evaporator frost protection option (for units without hydronic module option) or the evaporator and hydronic module frost protection option (for units with hydronic module option) or the water loop must be protected by the installer by adding a frost protection solution. 142 C A R R I E R 2 0 1 6 / 2 0 1 7