5. CONTROL SYSTEM
INDOOR UNIT TYPE AND THE APPLICABLE CONTROL METHOD
Type Model
Indoor units
Compact 
Cassette
Slim Duct
Wall mounted
Floor / 
Ceiling
Floor
LJ LU LM LF
Central Remote 
Controller
UT Y-DMM
M
 *1
 *1
 *1
 *1
 *1
 *1
 *1
 *1
Wired Remote 
Controller
UT Y-RVN
M
  
 *2
 *3
 *4
  
UT Y-RNN
M
  
 *2
 *3
 *4
  
Wireless Remote 
Controller
AR-RAH2E
- - - - -
 
-
AR-RAH1E
-
- - - -
AR-REA2E
- - -
- - - -
AR-REB1E
- - - -
- - -
IR Receiver Unit UT Y-LRH
M
-
- - - - - -
Simple Remote 
Controller
UTY-RSN
M
  
 *2
 *3
 *4
  
: Accessory, 
: Optional, –: Not Applicable.
*1: Central remote controller is connected with Branch box.
*2: Optional Communication kit (UTY-XCBXZ1) is necessary for installation.
*3: Optional Communication kit (UTY-TWBXF) is necessary for installation.
*4: Optional Communication kit (UTY-XCBXZ2) is necessary for installation.
RESTRICTION OF WIRELESS REMOTE CONTROLLER 
FUNCTIONS
The following indicates the restrictions of the wireless remote controller when used in 
combination with other controllers to one indoor unit.
Model name
Wireless remote 
controller functions
Wireless Remote 
Controller only
Wireless Remote 
Controller
+
Wired / Simple 
Remote Controller
Wireless Remote 
Controller
+
Central Remote 
Controller
Wireless Remote 
Controller
+
Wired / Simple 
Remote Controller
+
Central Remote 
Controller
AR-RAH1E
AR-RAH2E
UT Y-LRH
M
TIMER
   
SLEEP TIMER
   
10°C HEAT
   
AR-REA2E
TIMER
   
SLEEP TIMER
   
10°C HEAT
   
WEEKLY TIMER
   
POWERFUL
   
LOW NOISE
   
AR-REB1E
TIMER
   
SLEEP TIMER
   
10°C HEAT
   
POWERFUL
   
LOW NOISE
   
: This function is available.
: This function is not available.
- (05 - 04) -
CONTROL
SYSTEM
CONTROL
SYSTEM