York Predator MagnaDRY DR090 Series Installation Manual

Also see for PREDATOR MagnaDRY DR090: Technical guide Installation manual

264276-XIM-B-120850 Johnson Controls Unitary ProductsFIGURE 30: UNIT CONTROL BOARDUNIT CONTROL BOARD OPTION SETUPOPTION BYTE SETUP• Enter the Option Setup mode by pushing the OPTIONSETUP / STORE button, and holding it for at least 2 sec-onds.• The green status LED (Option Byte) will be turned onand the red status LED (Heat Delay) is turned off.• The 8, 4, 2 and 1 LEDs will then show the status of the 4labeled options ((8) Fan Off at Heat Start, (4) LowAmbient Lockout, (2) Free Cooling Lockout, and (1)Lead / Lag).• Press the UP or Down button to change the LED statusto correspond to the desired Option Setup.• To save the current displayed value, push the OPTIONSETUP / STORE button and hold it for at least 2 sec-onds. When the value is saved, the green LED will flasha few times and then normal display will resume.NOTE: While in either Setup mode, if no buttons arepushed for 60 seconds, the display will revert to itsnormal display, exiting the Option Setup mode.When saving, the control board only saves theparameters for the currently displayed mode(Option Byte or Heat Delay).HEAT DELAY SETUP• Enter the Option Setup mode by pushing the OPTIONSETUP / STORE button, and holding it for at least 2 sec-onds.• The green status LED (Option Byte) will be turned onand the red status LED (Heat Delay) is turned off.• Press the COMM SETUP / SELECT button to toggle intothe Heat Delay Setup, the green LED will turn off and thered LED for Heat Delay will turn on.• The 8, 4, 2 and 1 LEDs will then show the status of theHeat Delay, (See Table 35). Press the UP or Down but-ton to change the LED status to correspond to thedesired Heat Delay Value.• To save the current displayed value, push the OPTIONSETUP / STORE button and hold it for at least 2 sec-onds. When the value is saved, the red LED will flash afew times and then normal display will resume.NOTE: While in either Setup mode, if no buttons arepushed for 60 seconds, the display will revert to itsnormal display, exiting the Option Setup mode.When saving, the control board only saves theparameters for the currently displayed mode(Option Byte or Heat Delay).CheckAlarmHistoryReset AllASCDs forOne CycleNon AlarmCondition GreenLED FlashingCurrent AlarmFlashedRed LED