Fujitsu AIRSTAGE J-IIIL Design & Technical Manual page 783

Operating mode
Mechanical cooling
LOW
Mechanical cooling
HIGH
Free cooling only
Mechanical and free
cooling
Cooling thermostat
off or Heating
Off
Operating mode
Mechanical cooling
LOW
Mechanical cooling
HIGH
Free cooling only
Mechanical and free
cooling
Cooling thermostat
off or Heating
Off
*1: Indoor unit decides the cooling HIGH/LOW based on the set temperature and the indoor temper-
ature.
*2: When external output by remote controller is off, the amount of intaken fresh air differs as follows:
• Cooling by intaken fresh air is performed: None to maximum amount
• Cooling by intaken fresh air is not performed: None
3-2. External input
Operation
VRF indoor unit
(Free cooling)
Cooling on
Cooling on
Cooling off
Cooling on
Cooling off
Cooling off
Indoor unit output
Cooling
Cooling
thermostat on
HIGH/LOW*
On Off (LOW)
On On (HIGH)
On Off (LOW)
On On (HIGH)
Off —
Off —
(Enthalpy or Temperature)
Damper
Outdoor
Off
Off
On
On
Off
Off
Occupied/
unoccupied
1
(RC output)
On
(Occupied)
On
(Occupied)
On
(Occupied)
On
(Occupied)
On
(Occupied)
Off
(Unoccupied)
- (08-29) -
Condition
Return
HIGH LOW
HIGH LOW
LOW HIGH
LOW HIGH
— —
— —
Indoor unit
input
Outdoor air
intake*
VRF Cooling
on
On Minimum
On Minimum
Modulating
Off
(Min—Max)
Modulating
On
(Min—Max)
Off Minimum
Off None
2
3. Indoor unit