Fujitsu Airstage J-IVS AJ 040LCLDH Series Design & Technical Manual page 651

• Operates when the external contact switch is turned off, and returns to the original opera-
tion state when the switch is turned on.
Setting
Mode 1 or 0
P1: Arbitrary operation state
P2: Setback
Other settings are arbitrary.
• Thermal sensor switch is connected and cooling and heating operations are switched.
Setting
Mode 1
Off output: Enabled
P1: On, Cool or Heat
P2: On, Cool or Heat
Operation conditions: Unit
operating only
Other settings are arbitrary.
• Preventing chatter noise within 1 minute after external contact switch is turned on
Setting
Mode 1
Delay-time setting: Delay
P1: Arbitrary operation state
P2: Arbitrary operation state
Other settings are arbitrary.
3-14. External switch controller (UTY-TEKX)
Wiring
Indoor unit
External
SW controller
External
contact SW 1
Wiring
Indoor
unit
Thermal sensor SW
External switch controller is
connected to all indoor units
in the same refrigerant
system and cooling and
heating operations are
switched by one thermal
sensor.
Wiring
Indoor unit
External
SW controller
External
contact SW 1
- (05-205) -
Operation example
Mode 1, P1: On, Cool, 26 °C
P2 : When setback
SW1 On
P1
Off
Operation state
On
Cool
Off 26 °C
Cool
23 °C
Operation example
P1: On, Cool, 26 °C
P2: On, Heat, 21 °C
On
SW1
P2
Off
Operation state
On
Cool
Heat
23 °C
21 °C
Off
Operation example
P1: Off P2: On, Cool, 26 °C
SW1
On
P2
1 min
Operation state
On
Cool
26 °C
Off
P2
Cool
23 °C
P1
Cool
26 °C
P1
1 min
3. Adaptor/Convertor units