Adaptors for Connection of Air Conditioners
Si30-408
210
Appendix
5.2.2 Wiring
1. For a start, make wire connections between the indoor and outdoor units, between
respective power supplied, and between the indoor unit and remote controller, and then
check whether nor not the units normally operate. (Particularly, in order to use this adapter in
combination with the group control of the remote controller, check to be sure the jumper
wiring.)
For details, refer to information in the Installation Manual of indoor unit and outdoor unit.
2. Then, according to the system, connect the adapter PC board for remote control to the main
body of indoor unit, and then make setting of the display output switch (SS3) and connect a
jumper wire.
For details, refer to information in “Connection to indoor unit”.
3. Lastly, make wire connections to external equipment such as the centralized control monitor
and other settings.
For details, refer to information in “Wiring to external controller (e.g. centralized control
monitor)”.
Note
No address No. settings for centralized control are required. (Automatic setting)
Connection to
Indoor Unit
1. For Individual control
2. For group unified control
For group unified display: The wiring procedure is the same as that for the individual control.
Note
The remote controller can be installed on indoor units to which the adapter PC board is not
directly connected.
Adapter PC board
PC board ass'y
X18A
P1,P2 F1,F2
Remote controller
R/C
Set the display output
switch (SS3) to Zone.
Connect the power supply connector to
the connector (CN18) on the indoor unit
PC board ass'y and the transmission
wire to the terminals (F1, F2) on the ter-
minal block for connecting wirings. (The
transmission wire has no polarities.)
16 units
at maximum
PC board ass'y
PC board ass'y
PC board ass'y
X18A
X18A
X18A
F1,F2
F1,F2
F1,F2
P1,P2
P1,P2
P1,P2
Remote controller
R/C
Adapter
PC board
Set the display output switch (SS3) to Zone.
(If this switch is set to Individual, no malfunctions other
than those with indoor units connected to the adapter will
be output.)
