AB Regin Corrigo E81D-3 Manual
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Contents
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Manual Corrigo Ventilation, revision R Chapter 17 Configuration 8517.10 ChillerCoolingWaterSelect chiller type: "Water", "DX", "DX with exchanger control" or "Not used".For detailed description of DX-cooling, se section 5.1.4 Step controllers.If DX cooling has been configured, there are submenus for setting of certain operation parameters.Min limit loweringIf DX cooling is used in combination with room or extract air control, the supply air temperatureminimum limit value can be lowered to give smoother (more continuous) running of the chillers.The set lowering of the limit value is activated when the DX cooling is running.Lowering of minlimit for supply aircontrol on activeDX cooling: 5.0°CThis parameter is also used for setting the lowering of the cooling setpoint when running "DXcooling with exchanger control".See 5.1.4.Blocking the DX cooling at low outdoor tempOutdoor temperature dependent blocking of DX cooling is individually settable for each coolingstep. If the outdoor temperature is below the set value, it is not possible to activate the cooling step.The function has a 1K hysteresis, i.e. if a cooling step is blocked, it can only be activated againwhen the outdoor temperature has risen to 1K above the set value.Block DX-cooling,step1, at outdoor temp.lower than 13.0 °CBlocking of DX cooling on cooling pump alarmDX cooling can be blocked on activation of the cooling pump alarm.Block DX-cooling onalarm”Run error P1-cooler”:NoOverride of reduced speed for DX coolingOverride to normal quantity of air for DX cooling when the unit runs on reduced quantity of air. Thefans can be set to normal operation when cooling is required at high outdoor temperatures (e.g.>14°C, the same temperature limit as for blocking of DX cooling).Force normalspeed if activeDX-cooling:Yes |
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