Fujitsu AIRSTAGE J-III L AJ 072LELAH Series Design & Technical Manual page 999

„ OPERATION STATUS
„
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
„
The output for CNB01 (1-3) is ON when an error
is generated for the indoor unit.
„ INDOOR UNIT STATUS
„
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
„
Corresponding indoor units: All duct type.
A signal is outputted from Connector when indoor fan and thermostat ON under heating operation.
* Signal output performance specifications 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.
z Fan delay switch (Indoor Unit)
„
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.
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 fire by auxiliary's heat.
In case of auxiliary does not design and install properly, our company cannot take responsibility.
(External output1)
Indoor unit
CNB01(1-2)
Output
(External output2)
Indoor unit
CNB01(1-3)
Output
(External output3)
Indoor unit
CNB01(1-4)
Output
(External output4)
Heating
operation
Indoor unit fan
CNB01 (1-5)
output
CAUTION
- (08 - 23) -
Operation
Stop
12V
0V
Error
Normal
12V
0V
Fan run
Fan stop
12V
0V
Ex) Used for inter lock energize for exhaust fan.
OFF
Tr-Ts = -1°C
ON
Tr-Ts = -10°C
OFF
Operation
Stop
ON
OFF
12V
0V
Auxiliary
Heater
Supply air
Tr-Ts
Tr-Ts = -3°C
Tr-Ts = -12°C
1min
Indoor unit
Return air