Design Technical Manual

Table Of Contents
INSTALLATION CONFIGURATION
1. In-line connection
Connecting the external heating device in between the indoor unit and the outlet
External heating device uses the indoor unit fan.
z
Indoor unit fan setting for external heater
(DIP-SW 2-3 : ON)
Activate fan control for auxiliary
heater.
Indoor unit fan stop 1 minute later
after the EEV is OFF.
2. Individual connection
External heating device is installed individually. Not use indoor unit fan.
WARNING
When in-line auxiliary heater is installed, always set "indoor unit fan setting for external heater"
Design and install external heater appropriately with
considering its protection.
Inappropriate designing and installation of external heater
may cause a fire by emitted heat from the external heater.
Fujitsu-general is not responsible for inappropriate designing or installation of external heating
device.
ON / OFF
Example of heating device:
- Hot-water coil
- Electric heater
ON
OFF
ON
OFF
EEV
Indoor unit fan
12 V
0 V
CNB01 (1-5)
output
1min
ON / OFF
Example of heating device:
- Floor heating device
External
Heater
Supply air Return air
Indoor unit
- (08 - 35) -
EXTERNAL INPUT
& OUTPUT
EXTERNAL INPUT
& OUTPUT