Remote Cooling/Heating Change [ Input Setting: Code (07) ] - York HIDS006B21S Service Manual

5.4.1.5 Remote Cooling/Heating Change [ Input Setting: Code (07) ]
The cooling or heating operation mode can be changed by giving a contact signal from the outside to the
unit. Set this function to CN3 with a wired controller according to Section 5.4.2.1 "Function Selection Item."
This function detects ON to OFF transition and OFF to ON transition. Of the commands by this signal and
a wired controller, the command given later is preferentially executed. An example of basic wiring and time
chart is shown below.
Indoor Unit PCB
CN3
3
2
1
3P Connector
(Example: Remote Cooling/Heating Change is set to terminals 1 and 2 of CN3.)
Signal to terminals 1 & 2 of CN3
Control by Wired Controller (Heat)
Control by Wired Controller (Cool)
Operation Mode of Unit
(Example: Remote Cooling/Heating Change is set to terminals 1 and 2 of CN3.)
NOTES:
1. Wired Controller is required for this function.
2. Refer to Table 5.1 for details of the required components.
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, set this function only to the main indoor unit.
SM-18001-rev.1
2
X1
1
Wiring Diagram Example
Heat
Cool
Heat
Cool
EXTERNAL INPUT/OUTPUT AND FUNCTION SETTING
HEAT
X1
Time Chart
COOL
Power
Supply
5-13