Service manual

SiE18-201 Others
Caution Before Operation 305
3.1.2 Method of Operating Air Conditioners Individually (When Two Units
are Installed in One Room) For Cooling Only and Heat Pump Model
 How to set the different addresses.
 When two indoor units are installed in one room, the two wireless remote controllers can be
set for different addresses.
PCB in the indoor unit
 Remove the front panel.
 Remove the sensor parts cover (2-screws), then remove the electric parts box (1-screw).
 Slide the metallic cover to remove it. (4-claws on the electric parts box.)
 Cut the jumper JA on PCB.
Wireless remote controller
 Cut the jumper J4.
3.1.3 Centralized Control (For KRC72, KRP413A1S)
For an explanation on usage, see the option handbook. However, do the following when using
the KRP413A1S (Contact connection centralized control PC board).
Note : The power failure recovery function is controlled by the ON signal from the centralized control
PC Board. The following may occur if the unit is used without cutting jumper JC.
 If the unit was running when a power failure occurred, it may not resume operation after
recovering from a power failure.
3.1.4 Dry Keep Change-over Switch (All Indoor Models)
For Cooling Only and Heat Pump Model
Wireless
remote
controller
J4
J4
JA
J53 ADDRESS: JA
JB
JC
Adress
EXIST 1
CUT 2
EXIST
1
CUT
2
ADDRESS
Metallic cover
Claws (4 points)
Electric
parts box
Sensor
parts cover
(RL034)
PCB
Cut jumper JC on the indoor PC Bord.
(ML112)
Jumper
(On indoor PC
Board)
Function When connected
(factory set)
When cut
JC Power failure
recovery function
Auto start Unit does not resume operation
after recovering from a power
failure. Timer ON-OFF settings are
cleared.
JB Fan speed setting
when compressor is
OFF on thermostat.
Fan speed setting ;
Remote controller
setting
Fan rpm is set to “0”
<Fan stop>