Control Of Outdoor Air Processing Unit (Unique Control For Outdoor Air Processing Unit) - Daikin RXYQ5-48MAY1 Service Manual

Outline of Control (Indoor Unit)
6.7 Control of Outdoor Air Processing Unit
(Unique Control for Outdoor Air Processing Unit)
6.7.1 Selection of Operation Mode (by suction air thermostat)
Objective To select cooling, heating, or fan operation mode according to the suction air (outdoor air)
temperature.
Details [Outdoor air processing unit]
Cooling mode
"Low outdoor air protection control"
Heating mode
Automatic mode
110
–5 5
Fan operation (with thermostat OFF)
Fan operation
Fan stop
Heating
Heating
Heating
Heating
15 19
Cooling
Cooling
18
Fan operation (with thermostat OFF)
Fan operation
16
Fan operation
Cooling
(Fixed speed)
(Thermostat
Cooling
OFF)
18
16
Si39-407
Suction temperature (T1) ºC
43
Function