Fujitsu Airstage J-II Series Design & Technical Manual page 844

„ F RESH AIR CONDITIONER (FOR EXTERNAL CONTROL
MODULE*) INPUT FUNCTION (mode 1 or 7)
* Module that reduces or stops the cooling operating ratio of the air conditioner by intaking fresh air.
Example: Direct Digital Controller
Function setting
60-01, 07
*Edge input only
● With using Fresh air conditioner input and Cooling thermostat ON output, External control
„
module controls the cooling operation by the VRF.
● When Fresh air conditioner ON is input during Cooling thermostat ON, Fresh air conditioning
„
is performed with stopping the cooling operation by the air conditioner.
NOTE :
● During operations other than cooling such as heating or dry, Fresh air conditioner ON
input is disable.
Mode External input
CNA03 or CNA04
1, 7 (EXT.IN2)
[VRF cooling OFF]
- (08 - 24) -
External output Input signal *
CNB01
OFF → ON
(PIN 1-2)
[Cooling
thermostat ON]
ON → OFF
Command
EEV OFF
(VRF cooling
OFF)
Normal operation