Daikin VRV III-S Technical Data Manual page 7

4 Accessories
4 - 1 DEC101A51 - Digital input
4 - 1 - 2 External connection diagram
DEC101A51
No. Wiring procedure
<F1/F2> wiring between this equipment and centralized control equipment is required.
The connection to the facility equipment and setting of various switches are required.
See the "Wiring with Facility equipment" paragraph.
Connect the power supply and earth.
See the "Power Supply & Earth wiring" paragraph.
For the wiring connection and clamping method, refer to the "Wiring lead-in" paragraph.
Wiring with Facility Equipment
<Caution> The length of wiring between this equipment and facility equipment is 100m max.
Abormal input
When the contact is "Open" or "Closed", "Error" is produced.
Input specifications: No-voltage "a" contact
(The welding current is approx. 10mA when the applied voltage is 20 to 30 V DC and the contact is
"Closed".)
For input, use the contact to micro current. (12VDC, 1mA max.)
Facility equipment operating
status input wiring
DEC101A51
CM
M1~8
Facility equipment
operating status
6
•
Facility equipment error
status input wiring
DEC101A51
CA
K1R K2R
A1~8
Facility equipment
error status
• VRV Systems • Network Solution
Fuse (10A)
switch
L
Power Supply
N
(1~200-240V)
Power Supply & Earth Wiring
For power supply, 1~200-240V is used. The wiring to the power terminal block (L/N) is required. The
2
electric wire used should be 1.25 to 2.0mm . After checking the power supply specifications, make
correct connections.
Connect the earth wiring to the " " terminal. Use a 2.0 mm
F1, F2
DEC101A51
centralized
control
equipment
facility equipment
(8 numbers max.)
2
wire.
3D047631