Advertisement
3
Setting
SW1
SW2
SW3
ON
1 2 3 4
SW4
SW7
The following settings are necessary to use Digital Input/Output Relay Interfaces.
• SW1 Address set switch
When two or more Digital Input/Output Relay Interfaces are used, set a different address for each
unit to avoid address duplication.
Assign addresses in ascending order.
• Set relay interface addresses according to the air conditioner address table.
• When the SW1 setting has been changed, push the reset switch SW7. The new address
setting is read.
• SW2 Operation mode set switch
• SW3 Test switch
• SW4 Test switch
• SW7 Reset switch
When performing address setting with SW1, push this reset switch after address setting to read
the set value.
DO1
DO2
LED17
DO3
LED16
DO4
LED15
GND
LED14
+12V
CAUTION
These switches are not used during normal
operation. Set zero (0) or "all OFF".
8
SW1
Address set switch
1 - 4
0,5 - F
SW2
Operating mode set switch (0 usually)
SW3
Test switch (all OFF usually)
SW4
Test switch
SW7
Reset switch
LED1
Power indicator
LED2
RS-485 communication status indicator
LED3
Not used
LED4
Test indicator
LED5
Test indicator
LED14 -
Digital output indicator
LED17
Address
Not used
Advertisement
