Jis Mode - Daikin FTX25JVEA9 Service Manual

Si18-201
3.38

JIS Mode

Purpose of the This aims to minimize capacity deviations at the time the JIS mode is determined.
Function
Outline When the JIS mode is determined, the function fixes the operating frequency (command
frequency), target
discharge temperature and target SC.
Details Instruction frequency FSR is set as follows: FSR = FJIS. Cooling operation: 90 Hz Heating
operation: 98 Hz
Target discharge pipe temperature DOSET is set as follows: DOSET = DOSTJS.
Outdoor fan tap is set to FANJIS.
Cooling ... Upper fan: 775 rpm Lower fan: 715 rpm
Heating ... Upper fan: 775 rpm Lower fan: 715 rpm
Heating heat exchanger isothermal control is prohibited.
Main Functions
Cooling operation: 85°C
Heating operation: 75°C
System control
167