Nice Fan4-Control

Parameter: E19
Description: Temp.deadband.
Available settings: 0 - 9.9
Default setting: 1.0°C/2.0 F
Parameter: E20
Description: Temp.unit.
0: Celsius 1: Fahrenheit
Available settings: 0 ~ 1
Default setting: 0
Parameter: E18
Description: Duration for interval ventilation.
Duration for interval ventilation within 1 hour unit: minute
Available settings: 1~30 (min)
Default setting: 02 (min)
Parameter: E15
Description: Panel lock function.
ON: turn on 0F: turn off
Available settings: ON/OFF
Default setting: ON
Parameter: E17
Description: Option for interval ventilation feature.
ON: turn on 0F: turn off
Available settings: ON/OFF
Default setting: OFF