Sanyo Big PACi 18 Series - Caution; System Control; K Type

2
2-9
2-8-6. 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 in-
door unit
1 2
1 2
1 2
U1U2
1 2
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 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 MainSub
CODE
ITEM
DATA
ITEM
Clock display
12 hours (AM/PM) 24 hours
RCU. CK NormalRCU. CK
Room temperature sensor Main unit RCU
K Type
2-9. 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 (max-
imum 4).
* If multiple indoor units are used, also refer to “2-16.
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 out-
door units can be used.
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
Remote controller
switch (main)
Remote controller
switch (sub)
Optional
Optional
Ground
Ground Ground
Indoor unit 1 Indoor unit 2 Indoor unit 3
Remote controller
crossover wiring
Terminal plate
for remote
controller wiring
Terminal plate
for remote
controller wiring
Inter-unit
control wiring
Outdoor unit
Ground
SM830161Book.indb9SM830161Book.indb9 2008/06/039:09:022008/06/039:09:02