2-1 INPUT / OUTPUT LIST
2. OUTDOOR UNIT
02-01
Input / output or kind of detail
Control range
Discharge pressure sensor <HIGH> Pressure sensor
Measure range 0.0 to 5.0MPa
Suction pressure sensor <LOW> Pressure sensor
Measure range 0.0 to 1.7MPa
Discharge temperature sensor <TH1> Themistor <Blue> Measure range 10 to 130
Heat exchanger temperature sensor <TH5> Themistor <Pink> Measure range -35 to 70
Sub-cool heat exchanger (inlet) sensor <TH8> Themistor <White> Measure range -35 to 70
Sub-cool heat exchanger (outlet) sensor<TH9> Themistor <Brown> Measure range -35 to 70
Liquid temperature sensor <TH7> Themistor <Green> Measure range -35 to 70
Suction temperature sensor <TH4> Themistor <Red>
Measure range -35 to 70
Outdoor temperature sensor <TH3> Themistor < - > Measure range -25 to 58
Operation current sensor
Current transformer
Rotary SW & DIP-SW & Push SW
Electronic expansion valve 1 (Main)
EEV coil
Operating voltage DC12V
Electronic expansion valve 2 (SC-Hex)
EEV coil
Operating voltage DC12V
4-way valve
4-way valve coil
AC220-240V, 50/60Hz 6/5 W
Solenoid valve
Comp pressure equalizing valve
AC220-240V, 50Hz, 6W
Crank case heater
For Inverter Compressor
AC240V, 25W
Base heater
Field supply
AC220-240V, 35W
LON WORKS
Inverter communication
External input 1 (CN131)
(Low noise mode operation)
External input 2 (CN132)
(Cooling / Heating priority)
External input 3 (CN133)
(Outdoor unit operation peak control)
External input 4 (CN134)
(Emergency stop operation)
Dry contact input
Single LED 101
Single LED 102
LED display
Address and function setting
Display the information on operation, error and setting with single LED and
7 segment LED.
Control output: DC 0/12-24V, Max.30mA
Control output: DC 0/12-24V, Max.30mA
External output 1 (CN136) (Error display)
External output 2 (CN137) (Operation display)
ON (Error) / OFF (Normal)
ON (Operation) / OFF (Stop)
Communication
Input / Output
External
Input / Output
I
N
P
U
T
O
U
T
P
U
T
Compressor temperature sensor <TH10> Themistor < - > Measure range 10 to 130
Pressure switch
Pressure switch
Open 4.2MPa Short 3.2MPa
Fan motor 1 (Upper)
DC Brushless motor
7 Segment LED
Compressor
Magnetic relay
Operation coil AC220-240V, 50Hz
Indoor unit Outdoor unit
Fan motor 2 (Lower)
DC Brushless motor
Summary of Contents for ARXB07LALH
Page 1: ...Small VRF system for light commercial and home use SERVICE MANUAL...
Page 2: ......
Page 6: ......
Page 7: ...1 TEST RUN...
Page 8: ......
Page 27: ...2 OUTDOOR UNIT OPERATION CONTROL...
Page 28: ......
Page 42: ......
Page 43: ...3 INDOOR UNIT OPERATION...
Page 44: ......
Page 63: ...4 TROUBLE SHOOTING...
Page 74: ......
Page 171: ...5 APPENDING DATA UNIT...
Page 172: ......
Page 174: ...05 02 5 2 WIRING DIAGRAM 5 2 1 Indoor Unit MODELS AUXB07 09 12 14 18 24LALH...
Page 175: ...05 03 MODELS AUXD18 24LALH AUXA30 36 45 54LALH...
Page 176: ...05 04 MODELS ARXB07 09 12 14 18LALH...
Page 177: ...05 05 MODEL ARXB24LATH MODELS ARXB30 36LATH...
Page 178: ...05 06 MODEL ARXB45LATH...
Page 179: ...05 07 MODEL ARXA24LATH MODELS ARXA30 36 45LATH...
Page 180: ...MODELS ARXC36 45LATH 05 08...
Page 181: ...05 09 MODELS ARXD07 09 12 14 18 24LATH...
Page 182: ...MODELS AB A12 14 18 24LBTH 05 10...
Page 183: ...05 11 MODELS AB A30 36 45 54LBTH...
Page 184: ...MODELS AS A07 09 12 14LACH 05 12...
Page 185: ...MODELS AS E07 09 12 14LACH 05 13...
Page 186: ...MODELS AS A18 24 30LACH 05 14...
Page 187: ...05 15 MODELS AJ A36 45 54LALH 5 2 2 Outdoor Unit...
Page 192: ......
Page 193: ...6 DISASSEMBLY PROCESS...
Page 194: ......