Fujitsu Airstage J-II - Page 718

OPERATION STATUS

(External output1)
The output for CNB01 (1-2) is ON when the indoor
unit is operating.
The output is off when the unit is stopped.
ERROR STATUS

(External output2)
The output for CNB01 (1-3) is ON when an error
is generated for the indoor unit.
INDOOR UNIT STATUS

(External output3)
The output for CNB01 (1-4) is ON when the indoor
unit fan is operating.
The output is off when the fan is stopped or
during cold air prevention.
The output for CNB01 (1-4) is OFF during
thermostat OFF when DRY mode operation.
AUXILIARY HEATER OUTPUT

(External output4)
Corresponding indoor units: All duct type.
A signal is outputted from Connector when indoor fan and thermostat ON under heating operation.
* Signal output performance specications are as
shown on the right
Ex. When Set Temperature(Ts) is 22°C
▪ and Room Temperature(Tr) increase above 12°C,
signal output is on.
▪ and Room Temperature(Tr) increase above 21°C,
signal output is off.
▪ and Room Temperature(Tr) decrease below 19°C, signal output is on.
▪and Room Temperature(Tr) decrease below 10°C, signal output is off.
The output also turns OFF on defrost operation and oil recovery operation.
Fan delay switch (Indoor Unit)
z
This is used to continue indoor unit fan
operation for 1 minute after thermo OFF
in heating mode.
1 minute delay control set by Dip sw2-3
on PCB is ON.
CAUTION
Please install auxiliary heater between the indoor unit and the outlet side.
Please be sure to use delay control of a fan.
Please design and install auxiliary properly considering
protection by auxiliary itself.
If auxiliary does not design and install properly, it may cause re by auxiliary's heat.
In case of auxiliary does not design and install properly, our company cannot take responsibility.
Operation
Stop
12V
0V
CNB01(1-2)
Output
Indoor unit
Error
Normal
12V
0V
CNB01(1-3)
Output
Indoor unit
Fan run
Fan stop
12V
0V
CNB01(1-4)
Output
Indoor unit
Ex) Used for inter lock energize for exhaust fan.
OFF
OFF
ON
Tr-Ts = -1°C
Tr-Ts
Tr-Ts = -3°C
Tr-Ts = -10°C
Tr-Ts = -12°C
ON
OFF
Operation
Stop
Heating
operation
Indoor unit fan
12V
0V
CNB01 (1-5)
output
1min
Auxiliary
Heater
Supply air Return air
Indoor unit
- (08 - 22) -
EXTERNAL INPUT & OUTPUT EXTERNAL INPUT & OUTPUT