
Control of W-ECO MULTI SYSTEM
3
TD831077
III - 67
2-5. Indoor-use Relay Board / ACC-DC24SB
Used for centralized control over various air conditioner operations from a remote location.
Can be connected to all ECO indoor units.
Input
¶
Three-way On/Off selection
• Individual On/Off pulse signals
(DC24V pulse signal)
• On/Off pulse signal
(potential free pulse signal)
• Continuous signal
(potential free pulse signal)
¶
Remote control-side On/Off prohibition
(potential free static signal)
Output
¶
On signal (potential free normal contact)
¶
Indoor/Outdoor alarm signal
(potential free normal contact)
7
Dimension
2. Optional
3P-1
T10
(6)
6P yellow
3P/10P
Terminal Block
Relay Board
Remote Board
Indoor Board
2
3
10P-1
2
3
4
5
6
7
8
9
10
Indoor/Outdoor alarm signal
Contact ratings
Max: 240V 0.8A
Min: 1V 10mA
* The power supply is not necessary if 10P-1 to 10P-4 of the
terminal block is not used.
ON signal
JP1 (selected with Indoor Board)
Pulse or Static input
DC24V
ON
OFF
ON/OFF
The remote On/Off
control is prohibited
when this switch is on.
Centralized/Individual
Power supply
AC220-240V
1772_M_I
132
108
70
55
112
120
1773_M_I