Fujitsu AIRSTAGE J-IIIL Design & Technical Manual page 792

 Installation configuration of individual connection
• In-line connection
Connecting the external heating device in between the indoor unit and the outlet.
External heating device uses the indoor unit fan.
Indoor unit fan setting for external heater (DIP-SW 2-3: On)
– Activate fan control for external heater.
– Indoor unit fan stop 1 minute later after the EEV is off.
• Individual connection
WARNING
• For duct and cassette types, always set "indoor unit fan setting for external heater" when auxil-
iary heater is installed.
• Design and install external heater appropriately with considering its protection.
For wall mounted type, combination use with an external heater as shown below is prohibited.
• Inappropriate designing and installation of external heater may cause a fire by emitted heat from
the external heater.
• Fujitsu General Ltd. is not responsible for inappropriate designing or installation of external
heating device.
3-3. External output
Example of heating device:
- Hot-water coil
- Electric heater
On
EEV
Off
On
Indoor unit fan
Off
12 V
CNB01 (1-5)
output
0 V
Example of heating device:
- Floor heating device
External
heater
Supply air
- (08-38) -
On / Off
1 min
On/Off
Indoor
unit
Return air
3. Indoor unit