Remote Operation - Mitsubishi Electric FDF71VNXVD Technical Manual

3)

Remote operation

a) In case of multiple units (Max. 16 indoor units group) are connected to one wired remote controller
When the indoor function setting of wired remote controller for "External control set" is changed from "Individual
(Factory default)" to " For all units", all units connected in one wired remote controller system can be controlled by
external operation input.
Outdoor unit
Outdoor unit
①
123
Signal &
Power
External
input
123
XY
Indoor unit
Indoor unit
①
XY
Wired remote controller
Only the unit
directly connected
CnT-6 to the remote
controller can be
operated.
When more than one indoor unit (Max. 16 indoor units) are connected in one wired remote controller system:
With the factory default, external input to CnT-6 is effective for only the unit ① .
(1)
(2) When setting "For all unit" (Local setting), all units in one remote controller system can be controlled by external
input to CnT-6 on the indoor unit ① .
External input to CnT-6 on the other indoor unit than the unit ① is not effective.
(3)
Outdoor unit Outdoor unit
② ③ ④
123 123 123
123 123 123
XY XY XY
Indoor unit
Indoor unit
② ③
④ (master)
Ex. Indoor units = ①＋②＋③＋④ｘ４＋......Ⓝ ≦16 units
Individual operation (Factory default)
ON OFF
Only the unit
directly connected
to the remote
controller can be
stopped opeartion.
Unit ① only Unit ① only
-
Refrigerant piping
123 123
XY XY
Indoor unit
Indoor unit Indoor unit
④ (slave)
④ (slave) ④ (slave)
All units operation (Local setting)
ON
All units in one
remote controller
system can be
operated.
Units ①－Ⓝ
97
-
'11 • PAC-T-160
Outdoor unit
Ⓝ
123
123 123
XY XY
Indoor unit
Ⓝ
OFF
All units in one
remote controller
system can be
stopped operation.
Units ①－Ⓝ