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66
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(3) Installation
(a)
Accessories
Printed circuit board
Metal box
Metal cover
Insulating rubber sheet
Pan head screw
Locking support
Band
Binding band
ø4
×
8
r
2 units
for fixing the printed circuit board
for binding wires, 5 pieces
made of nylon 4 units
(b)
Metal box dimension
85
40
35
30
90
5
100
70
22.5
2-ø6
(c)
Installation Outline
1) Secure the installing board to the metal box
with the locking supports.
2) The wires are put through a grommet and
bound into a bundle with a binding band.
3) Attaching to the outside of a
indoor unit.
4) Attaching to the back of a
wired remote control.
s
In this case, attach the metal cover.
s
In this case, attach directly to the
lower case of the wired remote
control.
SC-AD-ER Board
Locking support (4 locations)
Binding band
(4) Inspection Displays
Check the green LED and red LED flashing at the SC-AD-ER board.
SC-AD-ER board LED
Red
Green
Inspection mode
light off
flashing
Normal communication
• Open circuit at the wired remote control signal wire (X) or (Z).
light off
light off
• Short circuit at the wired remote control signal wire. (between X - Z)
• Power source of the indoor wired remote control is out of order.
• Open circuit at the super link signal wire (A) or (B).
1 flashing
flashing
• Short circuit at the super link signal wire. (between A - B)
• The super link circuit is out of order.
2 flashings
flashing
• Poor SC-AD-ER board address setting. (setting at No. 48 or 49)
• Open circuit at the wired remote control signal wire (Y).
• Short circuit at the wired remote control signal wire. (between X - Y or between X - Z)
3 flashings
flashing
• In the case of opening without a wired remote control, SC-AD-ER board “Master” setting is not performed.
E1
• The wired remote control signal circuit is out of order.
4 flashings
flashing
• The address is repeated in the SC-AD-ER board and the indoor unit connected to the link network.
E2
flashings
flashing
• The address is repeated in the SC-AD-ER board and the outdoor unit connected to the link network.
E31
Display on the
central control
device of the network
