4-4
OPTIONAL FUNCTION
(4.1 Indoor Unit)
(4) Cancellation of Commands from Remote Control Switch after Forced Stoppage (Level Signal Input)
By using the signal from a building management system, the air conditioners can be stopped and the
individual commands from the remote control switch are canceled.
The basic wiring and time chart are shown below. The required parts are shown in Table 4.1.
Table 4.1 Specifications on Required Components for (1) to (4) Functions
NOTE:
Make the wires CN4 as short as possible. Do not install the wires along the 200-400V power line.
Separately install them at a distance of more than 30cm. (Intersecting as applicable.)
If the wires are installed along the power line, put the wires in a metal tube and connect a wire to an end for
grounding. The maximum wiring length is 70m.
In the case that this function is used, it is recommended that safety devices such as electric leakage
breaker or smoke detector, etc. be used.
NOTES:
1. Picking up signal within 10 seconds after power supply is turned ON is not available due to initializing of
components.
Do not change the signal (RUN/STOP) in this period.
2. Remote Control Switch is required for this function.
Cut JP5 of indoor PCB.
JP1 JP2 JP3 JP4 JP5 JP6
< RPK >
Cut JP2 of
indoor PCB.
SS3
X1
Power
Source
Control Circuit
Indoor Unit PCB
CN4
X1
3P Connector
3
2
3
2
SS3: Forced Stoppage Sw.
Wiring Diagram Example
JP1 JP2
CN4
Manufacturer or Specifications Remarks
Auxiliary Relay (X1, X2)
OMRON Mini Power Relay
Model: MY1F or Equivalent
Changeover Switch (SS2, SS3) Manual Type
3P Connector Cord
Optional Part PCC-1 (*)
(Able to Connect JST Connector XHP-3 (*))
Five Cords with
Connectors as One Set
Low Voltage
0.3mm
2
less than 24V (*)
220V/240V Class
0.5 to 0.75mm
2
Low Voltage
0.5 to 0.75mm
2
less than 24V (*)
220V/240V Class
2mm
2
(*) Only for RPK (After Alteration): PCC-1A (Connector XARP-3), 12V
Component
Voltage
220V or 240V
Cord
(Indoor)
Cord
(Outdoor)
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