Remote Control On/Off Function - York HIDS006B21S Service Manual

EXTERNAL INPUT/OUTPUT AND FUNCTION SETTING
5.4.1.1 Remote Control ON/OFF Function
This function provides a control to stop and start the system automatically from a remote place. Four
methods are available by using each signal from a building management system.
(1) Remote ON/OFF 1 (Level Signal Input) [ Input Setting: Code (03) ]
This is an ON/OFF function from a remote place by using level signals (ON/OFF). An example of
basic wiring and time chart is shown below.
Indoor Unit PCB
Signal to terminals 1 & 2 of CN3
Control by Wired Controller
NOTE:
Operation priority is given to the remote
ON/OFF signal or wired controller
signal which is given last.
NOTES:
1. Picking up signal within 10 seconds after power supply is turned ON is not possible due to initialization of
the components.
Do not change the signal (ON/OFF) in this period.
2. Wired Controller is required for this function.
3. If multiple indoor units are connected to the same communication cable for wired controller, input the
signal to any of these indoor units.
4. When the communication cable is not used in the twin, triple and quad combinations for simultaneous
operation, input the signal to the main indoor unit.
5-6
NOTE:
When the unit is started by the remote ON/OFF switch,
the fan speed is subject to the mode memorized in
CN3
the wired controller.
3
2
1
2
1
3P Connector
Wiring Diagram Example of Remote ON/OFF
(Example: Remote ON/OFF is set to terminals 1 and 2 of CN3)
ON
OFF
ON
Unit Operation
OFF
(Example: Remote ON/OFF is set to terminal 1 and 2 of CN3)
SS3: Remote ON/OFF
X1
SS3
X1
Control Circuit
Time Chart
Power
Supply
Press the ON/OFF switch.
Time
SM-18001-rev.1