ñ123ñQ280 Series - Self-Contained Water-CooledCharacteristics may vary depending on operating conditions.CYCLE TIMESFreeze Time + Harvest Time = Total Cycle Time24 HOUR ICE PRODUCTIONCONDENSER WATER CONSUMPTIONOPERATING PRESSURESAir Temp.Around IceMachine∞F/∞CFreeze TimeHarvestTimeTimes in minutesWater Temperature ∞F/∞C50/10.0 70/21.1 90/32.270/21.1 10.6-12.5 12.0-14.1 12.3-14.41-2.580/26.7 10.8-12.7 12.3-14.4 13.8-16.190/32.2 11.0-13.0 12.6-14.7 14.1-16.5100/37.8 11.3-13.2 12.8-15.0 14.5-16.9Air Temp. Around IceMachine ∞F/∞CWater Temperature ∞F/∞CBased on average ice slab weight of 2.44 - 2.81 lb.Regular cube derate is 7%50/10.0 70/21.1 90/32.270/21.1 290 260 25580/26.7 285 255 23090/32.2 280 250 225100/37.8 275 245 220Air Temp. Around IceMachine 90∞F/32.2∞CWater Temperature ∞F/∞CWater regulating valve set to maintain 230 PSIG discharge pressure50/10.0 70/21.1 90/32.2Gal/24 hours 250 490 3400Air Temp.Around IceMachine∞F/∞CFreeze Cycle Harvest CycleDischargePressurePSIGSuctionPressurePSIGSuction pressure drops gradually throughout the freeze cycleDischargePressurePSIGSuctionPressurePSIG50/10.0 225-235 60-28 190-200 75-9070/21.1 225-235 60-28 190-200 80-9080/26.7 225-240 60-28 190-200 80-9090/32.2 225-245 62-28 190-200 80-90100/37.8 225-250 62-30 190-200 80-90110/43.3 225-260 64-32 195-205 80-95
