Hisense ADT-12UX4SSNL3 Technical & Service Manual page 107

W I R I N G D I A G
W I R I N G D I A G
1 1 .
1 1 .
3) When using the ON/OFF function, the red wire should be cut and connect the door lock control switch
attached to it (supplied by user), and the connecting wire should be 22AWG or above. In normal
conditions, the unit operates normally once the switch is closed and shuts down once the switch is off.
（2） Timing sequence description:
● Access control:
1) Control of entrance card disconnection: the air conditioner will be shut down after the access
control signal is disconnected for 30 seconds. In this state, the indoor unit can't start. If the
user performs start operation, the wired controller will not respond and displays power-off status.
2) Control of entrance card connection: after the closed circuit of entrance card interface,
restrictions are released, the wired controller maintains power-off and the startup & shutdown control is
enabled.
● Fire protection
1) Access to fire protection: the air conditioner will be shut down and won't blow air
control signal is disconnected for 30 seconds. In this state, the indoor unit can't be started. If the user
performs start operation, the wired controller shall not respond and displays power-off status.
2) Cancellation of fire protection: after the short circuit of fire protection signal, release power-on
restrictions, the wired controller maintains power-off status and the startup & shutdown control is enabled.
● ON/OFF
1) In the situation where ON/OFF function is enabled, the port is closed and in short circuit, the indoor
unit
starts; the indoor unit shuts down once the port is disconnected;
2) Other operation information (such as mode, air speed, air door, etc.) except for startup & shutdown
can be set through the wired controller, remote-controller and WIFI module, priority is given to the latest
command received.
3) In the mode of ON/OFF function, wired controller, remote-controller, WIFI module and access
control
cannot control the unit startup & shutdown, neither the operation mode, timer or sleeping mode.
4) There will be 12V signal output when machine fault occurs.
(3) Relative priorities of instructions
ON/OFF has the highest priority. The access control function shall be disabled when ON/OFF is
enabled. Access control and fire prevention functions shall not affect each other.
DC-� INVERTER AIR CONDITIONER TECHNICAL&SERVICE MANUAL
R A M
R A M
power-on
after the access
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