Ace Heating Solutions Atlas A050 Operating And Maintenance Manual
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85Rev 2.1This parameter represents the lead lag firing rate when frost protection is enabled.5-19 Lead Lag Advanced Setting: WWSD Parameter5-19.1 To Enable Or Disable Lead Lag WWSDConfigure Lead Lag Master Configuration Advanced Setting WWSD Enable Textbox (Default: Disabled) Select Disable to disable WWSD Select Shutdown after demand ended to allow any current CH demand that is present prevents WWSD frombecoming true Select Shutdown immediately to allow WWSD to become true immediately causing CD demand to end5-19.2 To Change WWSD SetpointConfigure Lead Lag Master Configuration Advanced Setting WWSD Setpoint Textbox (Default: 90F) Type in desired temperature between 32F and 240F (0C and 115C)When the outdoor temperature is greater than Warm Weather Shutdown setpoint then it will cause the CH demand toend. If there is no outdoor temperature then WWSD is disabled.5-20 Lead Lag Advanced Setting: Algorithms Parameter5-20.1 To Change Lead Selection MethodConfigure Lead Lag Master Configuration Advanced Setting Algorithms Lead Selection MethodTextbox (Default: Lowest measured run time) Select Sequence order to sequence the lead boiler according to their sequence order or Modbus address if thisvalue is zero Select Measured run time to sequence the lead boiler according to reported run time.5-20.2 To Change Lag Selection MethodConfigure Lead Lag Master Configuration Advanced Setting Algorithms Lag Selection Method Textbox(Default: Measured run time) Select Sequence order to sequence the lag boiler according to their sequence order or Modbus address if thisvalue is zero Select Measured run time to sequence the lag boiler according to reported run time.5-20.3 To Change Lead Rotation TimeConfigure Lead Lag Master Configuration Advanced Setting Algorithms Lead Rotation Time Textbox(Default: 1h0m) Type in desired timeThis parameter is used to trigger the rotation of lead boiler. Note the rotation does not occur until the next heatdemand cycle.5-20.4 To Change Forced Lead Rotation TimeConfigure Lead Lag Master Configuration Advanced Setting Algorithms Forced Lead Rotation TimeTextbox (Default: 24h0m) Type in desired timeThis parameter is used to trigger the forced rotation of lead boiler. Action is forced and is independent of the heatdemand cycle.5-21 Lead Lag Advanced Setting: Rate Allocation Parameter5-21.1 To Change Base Load Common Rate |
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