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Si30-408
Adaptors for Connection of Air Conditioners
Appendix
205
4. Fetch of display signals
Normal operation output terminals (W1 and W2) and malfunction output terminals (W3 and
W4) are used for no-voltage normal contact output.
(Allowable current is 10mA to 3A per contact.)
Caution
In order to use power supply of 220 ~ 240 VAC, keep the power supply cable away from input
wirings.
The following table shows the display of output.
Output
Both Ry1 & Ry2 are
turned OFF.
RY1 is only
turned ON.
Ry2 is only turned ON.
Display
Stop
Normal operation
This system stops due to malfunction or
transmission error between the adapter PC
board and indoor unit.