Service Manual
53
Operation Details
- State of Operation ON/OFF
- Operation Mode/Setting Temp/Selected Airflow Speed
- Sleep Timer Mode/Remaining Time of Sleep Timer (unit of hour)
■
Forced Operation (Outdoor unit C/O Model)
• To operate the appliance by force in case that the remote controller is lost, the forced operation button is on
the main unit of the appliance to operate the appliance in the standard conditions.
• Press the forced operation button, the forced operation is carried out.
• Press the forced operation button once again to stop operation.
• The forced operation is carried out in cooling mode with the setting temperature 22°C and the high speed of
airflow.
■
Forced Operation (Outdoor unit H/P Model)
• To operate the appliance by force in case that the remote controller is lost, the forced operation selection
switch is on the main unit of the appliance to operate the appliance in the standard conditions.
• Press the forced operation button, the forced operation is carried out.
• Press the forced operation button once again to stop operation.
• In the forced operation mode, the indoor fan is operated at low speed for around 15 sec and then the operation
condition is set according to the intake air temperature as follows.
24°C
≤
Intake Air Temp
=> Cooling Mode Operation, 22°C, High Speed
21°C
≤
Intake Air Temp < 24°C => Dehumidification Operation, 23°C, High Speed
Intake Air Temp < 21°C
=> Heating Mode Operation, 24°C, High Speed
■
Test Operation Control
• To check the condition of the installation when installing the appliance, the appliance is operated at cooling
mode, high speed of airflow, compressor-on for 18 min without controlling the room temperature.
• After supplying power to the main body, keep pressing the forced operation button for about 3 seconds.
• While in test operation, a key can be input by the remote controller.
When a key (operation start/stop, operation mode selection, airflow speed selection, temperature control, Jet
Cool) is input by the remote controller, the test operation is canceled and the appliance is operated according
to the setting by the remote controller.
■
Protection of the evaporator pipe from frosting
• In the temperrature of the indoor pipe is below 0°C after 7 minutes from starting the compressor, the compres-
sor and outdoor fan are stopped, and 3 minutes delay of operating of the compressor, when the temperature of
the indoor pipe is over 7°C, the compressor and the outdoor fan are reoperated.
• Outdoor fan motor stops when indoor pipe temperature is blow 3°C and restarts at the pipe temperature above
6°C or after 90 seconds, if the pipe temperature does not rise to 6°C, outdoor fan motor runs continuously at
even below 3°C.
Содержание ARNU Series
Страница 13: ...Service Manual 13 External Appearance 2 2 Outdoor Units ARUN1008F20 10HP ...
Страница 16: ...16 ...
Страница 17: ...Service Manual 17 Indoor Units ...
Страница 18: ...18 Indoor Unit ...
Страница 30: ...30 Indoor Unit ...
Страница 44: ...44 Indoor Unit ...
Страница 79: ...Service Manual 79 Outdoor unit ...
Страница 88: ...88 Outdoor Unit 5 Wiring Diagrams Wiring Diagrams ...
Страница 112: ...112 Outdoor Unit ...
Страница 113: ...Service Manual 113 Trouble shooting guide ...
Страница 137: ...Service Manual 137 Troubleshooting Guide Resistance measure between phases of compressor ...
Страница 140: ...Troubleshooting Guide 140 Outdoor Unit Check 3 phase rectification diode Measure input power between phases R S R T S T ...
Страница 141: ...Service Manual 141 Troubleshooting Guide Measure input power of one phase R S T Connector of compressor ...
Страница 142: ...Troubleshooting Guide 142 Outdoor Unit Connector of reactor Connectors of 3phase diode ...
Страница 143: ...Service Manual 143 Troubleshooting Guide Connectors of capacitor Check IPM PCB ...
Страница 144: ...Troubleshooting Guide 144 Outdoor Unit Measure current of IPM U V W Measure voltage of IPM P N ...
Страница 149: ...Service Manual 149 Troubleshooting Guide SVC valve Measure resistance on the pressure switch connector ...
Страница 150: ...Troubleshooting Guide 150 Outdoor Unit Pressure switch CHECK VALVE ...
Страница 152: ...Troubleshooting Guide 152 Outdoor Unit Measure power input of outdoor unit ...
Страница 153: ...Service Manual 153 Troubleshooting Guide Measure power input of outdoor unit ...
Страница 156: ...Troubleshooting Guide 156 Outdoor Unit Liquid injection by pass valve ...
Страница 157: ...Service Manual 157 Troubleshooting Guide Measure resistance of LEV coil ...
Страница 158: ...Troubleshooting Guide 158 Outdoor Unit Heater ...
Страница 164: ...Troubleshooting Guide 164 Outdoor Unit Pressure sensor connector High pressure sensor Low pressure sensor ...
Страница 168: ...Troubleshooting Guide 168 Outdoor Unit Measure input power of outdoor unit ...
Страница 172: ...Troubleshooting Guide 172 Outdoor Unit Check main fuse of out door unit ...
Страница 176: ...Troubleshooting Guide 176 Outdoor Unit Fan IPM ...
Страница 178: ...Troubleshooting Guide 178 Outdoor Unit Measure input power of fan main PCB ...
Страница 182: ...Troubleshooting Guide 182 Outdoor Unit 4way valve in the outdoor unit 4way valve connector on the Main PCB ...
Страница 183: ...Service Manual 183 Exploded View Replacement Parts List ...