Main-Sub Remote Controller Control; Remote Controller Setting Mode; K Type - Sanyo SPW-C256VH Technical Data & Service Manual

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
indoor unit
Remote controller
Remote controller
switch (main)
switch (sub)
Optional Optional
1 2 1 2
Remote controller wiring
Terminal plate for remote
controller wiring
1 2
Indoor unit
U1U2
Ground
1 2
Outdoor unit
Ground
Connecting 2 remote controllers to control a
simultaneous-operation multi system
Remote controller Remote controller
switch (main) switch (sub)
Optional Optional
1 2
1 2
Terminal plate
for remote
controller wiring
1 2 1 2
Indoor unit 1 Indoor unit 2
U1U2 U1U2
Ground
Ground
1 2
Inter-unit
Outdoor unit
control wiring
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
controller for more than 4 seconds together.
(2) Select CODE No. with
(3) Change DATA with
(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.
CODE
ITEM
ITEM
RCU. Main/Sub
Clock display
RCU. CK
Room temperature sensor
Remote controller
communication wiring
Terminal plate
for remote
controller wiring
1 2
Indoor unit 3
U1U2
Ground
buttons on the remote
/ ( ) buttons.
/ (TIMER) buttons.
.
DATA
Sub Main
24 hours 12 hours (AM/PM)
RCU. CK Normal
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 (maximum 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
outdoor units can be used.
2-9
2