York IDM030B21E Series Service Manual page 111

*1): The "02" setting may not be available according to the type of indoor unit.
*2): In case that the set temperature is changed and the temperature is kept for a specific time set by "F4", it
automatically changes to the temperature set by "F5" or "F6." (In case that the set temperature of "F5" and "F6"
is out of range, the upper or lower limit temperature is applied.)
*3): Applicable to fan, cooling and dry operation modes.
*4): Applicable to heating operation mode.
*5): Operation is stopped by pressing the " " (On/Off) button for 3 seconds.
*6): The sensor value at "C8" is indicated. When the thermistor for wired controller is used, the average value of
the thermistor for wired controller and the thermistor for indoor inlet is indicated.
*7): When the unit is restarted by the wired controller, the temperature automatically changes to the setting
temperature of "F5" or "F6".
*8): Make sure to enable the EconoFresh Pressure Mode (optional function C5) on the wired controller before
operation. Otherwise, the airflow volume becomes insufficient and this unit will not operate effectively.
EconoFresh Pressure Mode is "01". (Optional function C5 on the wired controller is set to "00" by default)
*9): If the Damper Minimum Setting (optional function d7) of this indoor unit is set to higher step then this will
affect the air outlet temperature of other standard indoor units.
*10): Airflow volume must be at lower limit for All Fresh operation.
*11): Be sure to use only the "00" setting condition when combining optional function settings, "q4" and "q5," with
a water source unit. The water source unit detects entering water temperature instead of outdoor ambient
temperature. This setting does not function.
NOTES:
1. Wait at least 3 minutes from initial power ON to change the optional setting.
2. When changing "CF" setting ("Change of Louver Swing Angle"), restore the power supply or test the louver
swing a couple of times in the auto swing mode to validate the setting.
3. The optional settings are different according to the indoor and outdoor unit models.
Check to ensure if the unit has the optional setting or not.
4. The above optional functions with "X" mark at the individual setting can change the condition only when "All
Rooms" is selected in the Test Run Menu > Function Selection Menu.
5. Function selection items "L9" and "q1" to "S8" are available only for indoor units and wired controllers with
new software applied. Check to ensure if the unit has the optional setting or not.
SM-16005-rev.2
EXTERNAL INPUT/OUTPUT AND FUNCTION SETTING
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