York IDM030B21E Series, Service Manual

Page: 97 / 144

SM-16005-rev.2
5-9
EXTERNAL INPUT/OUTPUT AND FUNCTION SETTING
NOTES:
1. Picking up signal within 10 seconds after power supply is turned ON is not possible due to initializing of
components.
Do not change the signal (ON/OFF) in this period.
2. Wired Controller is required for this function.
3. The following ON/OFF functions are not available after the manual (forced) stoppage because commands
from the wired controller are cancelled.
a. ON/OFF function from a remote place
b. ON/OFF function by the centralized controller while the wireless wired controller is used.
( )
SS3
X1
Power
Supply
Indoor Unit PCB
CN3
X1
3P Connector
3
2
1
3
2
SS3: Forced Stoppage Sw.
Wiring Diagram Example
Example: Forbidding Remote Control after Manual (Forced) Stoppage
is set to terminals 2 and 3 of CN3.
Signal to terminals 2 & 3 of CN3
Control by Wired Controller
Unit Operation
Time Chart
Time
Example: Forbidding Remote Control after Manual (Forced) Stoppage
is set to terminals 2 and 3 of CN3.
(4) Forbidding Remote Control after Manual (Forced) Stoppage (Level Signal Input)
[ Input Setting: Code (06) ]
By using the signal from a building management system, the indoor units can be stopped and the
individual commands from the wired controller are canceled. An example of basic wiring and time
chart is shown below.
This function can be used for B contacts if using “Selection of Forced Stoppage Logic” in Section 5.4.2.1
“Function Selection Item.” An example of time chart is shown below.
Signal to terminals 2 & 3 of CN3
Control by Wired Controller
Unit Operation
Time Chart
Time
(Example: Setting for B Contacts)