Mitsubishi Heavy Industries SRK25GZ-L1 Handbook page 841

(b) From CnS , operation permission/prohibition control
2
CnS input method
2
Formula switching:
Input : CnS
2
J1
Short
J1; Short circuit
circuit
Level input
J1; Open circuit
Open
Pulse input
circuit
Short
circuit
J1; Short circuit
Open
J1; Open circuit
circuit
Note (1) The factory settings are: J1 - short circuit; CnS2 - short circuit (short pin connection)
1) The remote controller displays the operating mode. "To Option" sends the operating mode.
2) Demand control
Sets all compressors to OFF.
3) CnS , performs the following operations by the changing of jumper wire J1 from short circuit to open circuit.
2
If pulse input, the pulse duration is 500 ms or more.
1 J1 - Short circuit
CnS
2
Remote controller operation
Remote controller display
Air conditioner ON/OFF
2 J1 - Open circuit
CnS
2
Remote controller operation
Remote controller display
Air conditioner ON/OFF
CnS : Demand control/normal
2
operating switching
Demand control
Normal operation
Normal operation/Demand control switching
Normal operation
Demand control
––
(NOP)
ON (shorted)
input
Normal
ON
ON
Compressor
OFF OFF
ON
Demand control
input
ON
Compressor OFF
(Reversal)
OFF (open)
Demand control
OFF ON
Remote
Compressor OFF
OFF
OFF ON
OFF ON
Remote
Compressor
FDC-HKX
ON (shorted)
Normal
OFF
ON
OFF
OFF
Demand control
OFF
OFF
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