50
10-8-6. Main-sub remote controller control
Control using 2 remote controller switches
Main-sub remote controller control refers to the use of 2 remote
controllers to control 1 or multiple indoor units. (A maximum of 2
remote controllers can be connected.)
●
Connecting 2 remote controllers to control 1 indoor unit
1 2
1 2
1 2
U1U2
1 2
Remote controller wiring
Terminal plate for remote
controller wiring
Remote controller
switch (main)
Optional
Optional
Remote controller
switch (sub)
Ground
Ground
Indoor unit
Outdoor unit
●
Connecting 2 remote controllers to control a
simultaneous-operation multi system
1 2
1 2
1 2
U1U2
1 2
1 2
U1U2
1 2
U1U2
Remote controller
switch (main)
Remote controller
switch (sub)
Optional
Optional
Ground
Ground
Ground
Indoor unit 1
Indoor unit 2
Indoor unit 3
Remote controller
communication wiring
Terminal plate
for remote
controller wiring
Terminal plate
for remote
controller wiring
Inter-unit
control wiring
Outdoor unit
Ground
●
Remote controller setting mode
To set the remote controller main/sub setting or change the
sensor, follow the steps below.
(1) Press
both
and
buttons on the remote controller
for more than 4 seconds together.
(2) Select CODE No. with
/
( ) buttons.
(3) Change
DATA
with /
(TIMER) buttons.
(4) Press
. Finally, press
.
* DATA is memorized in the RCU. (DATA setting will not be
changed even when the power is turned off.)
* Make sure to set [Normal] for RCU. CK.
RCU. Main/Sub
Main
Sub
CODE
ITEM
DATA
ITEM
Clock display
12 hours
(AM/PM)
24 hours
RCU. CK
Normal
RCU. CK
Room temperature sensor Main unit
RCU
■
HW Type
10-9. Caution
●
This unit may be used in a single-type refrigerant
system where 1 outdoor unit is connected to 1 indoor
unit, and also in a system where 1 outdoor unit is
connected to multiple indoor units (maximum 4).
* If multiple indoor units are used, also refer to “10-16.
System Control”.
●
The indoor and outdoor unit control PCB utilizes
a semiconductor memory element (EEPROM). The
settings required for operation were made at the time of
shipment.
Only the correct combinations of indoor and outdoor
units can be used.
Airwell̲PAC-i̲eng.indb 50
Airwell̲PAC-i̲eng.indb 50
2009/07/09 16:13:37
2009/07/09 16:13:37
Содержание OU-PSINV-25HR
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