Mitsubishi Heavy Industries V Multi FDC71VNX Technical Manual page 112

CnT-6 or
CnTA
When more than one indoor unit (Max. 16 indoor units) are connected in one wired remote control system:
With the factory default, external input to CnT-6 or CnTA is effective for only the unit ① .
(1)
(2) When setting "For all unit" (Local setting), all units in one remote control system can be controlled by external
input to CnT-6 or CnTA on the indoor unit ① .
External input to CnT-6 or CnTA on the other indoor unit than the unit ① is not effective.
(3)
(21) Operation permission/prohibition
(In case of adopting card key switches or commercially available timers)
When the indoor function setting of wired remote control for "Operation permission/prohibition" is changed from "Invalid
(Factory default)" to " Valid", following control becomes effective.
・ CnT
CnT-6 or
CnTA
*1 Only the "LEVEL INPUT" is acceptable for external input, however when the indoor function setting
of "Level input (Factory default)" or "Pulse input" is selected by the function for "External input" of the wired
remote control, operation status will be changed as follows.
In case of "Level input" setting
Unit operation from the wired
remote control becomes
*(1) In case that "Operation permission/prohibition mode" setting is "Valid" and "External input" setting is "Level
input (Factory default)";
①
When card key switch is ON (CnT-6 or CnTA ON: Operation permission), start/stop operation of the
unit from the wired remote control becomes available.
②
When card key switch is OFF (CnT-6 or CnTA OFF: Operation prohibition), the unit stops operation in
conjunction with OFF signal, and start/stop operation of the unit from the wired remote control becomes
unavailable.
*(2) In case that "Operation permission/prohibition mode" setting is "Valid" and "External input" setting is "Pulse
input (Local setting)";
①
When card key switch is ON (Operation permission), the unit starts operation in conjunction with ON
signal, and also start/stop operation of the unit from the wired remote control becomes available.
②
When card key switch is OFF (Operation prohibition), the unit stops operation in conjunction with OFF
signal, and start/stop operation of the unit from the wired remote control becomes unavailable.
(3) This function is invalid only at "Center mode" setting done by central control.
Individual operation (Factory default)
ON
Only the unit
Only the unit
directly connected
directly connected
to the remote
to the remote control
control can be
can be operated.
stopped opeartion.
Unit ① only
Option
1
2
XR1
3
XR2
4
XR3
5
XR4
6
XR5
Normal operation
(Factory default)
ON
Operation
In case of "Pulse input" setting
available*(1)
All units operation (Local setting)
OFF
All units in one
remote control
system can be
operated.
Unit ① only Units ①－Ⓕ
・ CnTA
Note (1)  C nTA function can be
XR5
Operation permission/prohibition mode
OFF
Stop
permission*1
Unit starts operation
*(2)
111
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'19 • PAC-T-327
ON OFF
All units in one
remote control
system can be
stopped operation.
Units ①－Ⓕ
1
2
XR6
changed by RC-EX3A.
"Valid" (Local setting)
ON OFF
Operation Operation prohibition
(Unit stops)