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Si30-408
Adaptors for Connection of Air Conditioners
Appendix
215
The following table shows the output by system.
Caution
If the wirings (F1, F2) are changed after the system operates once, apply power for a period of
five minutes or more and then reset the power supply. No heeding so may disable the control
from the wiring adaptor for electrical appendices (1).
Output
System
Both Ry1 &
Ry2 are
turned OFF.
Only RY1 is turned
ON.
Only Ry2 is turned ON.
Individual control
or individual
display
Stop
Normal operation
The system stops due to malfunction or
malfunction of transmission between the
adapter PC board and indoor unit .
Group unified
control
Stop
All units are in
normal operation.
Even a single unit stops due to
malfunction or malfunction of
transmission between the adapter PC
board and indoor unit.
Zone control
All zones OFF
At least one unit
running normally, no
malfunction.
Even a single unit stops due to
malfunction or malfunction of
transmission between the adapter PC
board and indoor unit.