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CONTENTS
Parts and Functions...........................................................................................................................................................1
Safety ................................................................................................................................................................................2
Emergency Running & Test operation ............................................................................................................................... 5
Maintenance ...................................................................................................................................................................... 6
Fault Checkup ...................................................................................................................................................................7
Installation Procedures ...................................................................................................................................................... 8
Electrical Wiring ...............................................................................................................................................................13
Test Run & Failure Code .................................................................................................................................................17
Your air conditioner may be subject to any change owing to the improvement of Haier products.
MRV series multi zone air conditioning systems can operate multiple indoor units in heating or cooling. When in cooling,
only units set to cool will run. Same logic applies for heating.
Turn power on for 12 hours prior to start-up to allow the crankcase heater adequate time to protect the compressor. All
indoor units on the same refrigeration system should use the unied power switch to ensure that all indoor units are all
powered on during system operation.
Product Features
1.Hanging-style installation to save space;
2.Automatic display of faults;
3.Function of central control, wired control,wireless control (optional from our company).
4.The air conditioner is provided with the function of compensation for power supply. During operation, when the power
supply fails emergently and resumes again, the air conditioner returns to the working condition before power failure, if
provided with compensation function.
5.The operating methods and functions are same although the shapes of indoor units are different. Therefore, the outline
drawing of MVAW007MV2AA indoor unit is taken as an example for illustration.
User Manual
Operation condition:
To use the air conditioner normally, please perform as to the below conditions.
Operating Range of Air Conditioner
Cooling
dry
Indoor
Max. DB: 90°F(32°C) WB: 74°F(23°C)
Min. DB: 64°F(18°C) WB: 57°F(14°C)
Outdoor
Max. DB: 115°F(46°C) WB: 79°F(26°C)
Min. DB: 23°F(-5°C)
Heating
Indoor
Max. DB: 80°F(27°C)
Min. DB: 59°F(15°C)
Outdoor
Max. DB: 75°F(24°C) WB: 59°F(15°C)
Min. DB: -4°F(-20°C)
Warning
•
I
f the supply cord is damaged, it must be replaced by the manufacturer, its service agent or similarly qualied persons
in order to avoid a hazard.
•
T
his equipment should not be used or serviced by personnel who have not been properly trained in its operation and
maintenance.
•
C
hildren should be supervised to ensure that they do not play with the appliance.
•
T
he appliances are not intended to be operated by means of an external timer or separate remote-control system.
•
K
eep the appliance and its cord out of reach of children less than 8 years.
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