External Input And Output Settings - York HIDS006B21S Service Manual

5.4.1 External Input and Output Settings
On the Indoor Unit Printed Circuit Board (PCB), there are two input terminals (CN3) to receive external
signals and three output terminals (CN7, CN8
available when setting input and output terminals.
Input and Output Number Display and Connectors
Input Number Display
Input/Output Indication
Input 1
Input 2
Output 1
Output 2
Output 3
Input and Output Settings and Display Codes
Code Indicated
00 Not set
01 Room Thermostat (for Cooling)
02 Room Thermostat (for Heating)
03 Remote ON/OFF 1 (Level)
04 Remote ON/OFF 2 (Operation)
05 Remote ON/OFF 2 (Stoppage)
06 Forbidding Remote Control after Manual Stoppage Thermo-ON for Heating
07 Remote Cooling / Heating Change
09 Setback Temperature
NOTES:
1. Change the optional setting after waiting at least three minutes elapsed time after start-up.
2. Do not set the elevating grille for the total heat exchanger.
3. Record the setting conditions for each input and output in the "Setting" column of the table.
4. When PSC-5RA (optional) is used for connection between the auxiliary heater and indoor unit, DO NOT
connect connector (CN7) to indoor unit PCB. Otherwise, fire may result.
Use another PSC-5RA (optional) for input/output integration functionality.
5. Output terminal (CN8) is no longer available for Ducted Medium Static type and Ducted Slim type indoor
units produced in April 2018 or later.
SM-18001-rev.1
5
) to send signals out. Functions shown in these tables are
Port
CN3 1-2 Remote ON/OFF 1 (Level)
CN3 2-3 Prohibiting Remote Control after Manual Stoppage
CN7 1-2 Operation
CN7 1-3 Alarm
5
CN8 1-2 Thermo-ON for Heating
Input
EXTERNAL INPUT/OUTPUT AND FUNCTION SETTING
Factory Setting
Setting Item
Not set
Operation
Alarm
Cooling
Thermo-ON for Cooling
Heating
Total Heat Exchanger
N/A
Setting
Indication
03
06
01
02
06
Output
5-5