How it Works
Haier
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MVAD024MV2AA
Owner’s Manual
20 pgs1.05 Mb0
Table of contents
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Haier MVAD024MV2AA, MVAD018MV2AA, MVAD012MV2AA, MVAD009MV2AA, MVAD007MV2AA Owner’s Manual

Indoor Unit Operation & Installation Manual
MVAD007MV2AA
MVAD009MV2AA
MVAD012MV2AA
MVAD018MV2AA
MVAD024MV2AA
No. 0150519177
• Please read this manual carefully before using.
• Keep this operation manual for future reference.
Original instructions
User Manual
CONTENTS
Parts and Functions...........................................................................................................................................................1
Fault Checkup ...................................................................................................................................................................5
Electrical Wiring ............................................................................................................................................................... 11
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 unied power switch to ensure that all indoor units are all powered on during system operation.
Features:
1. Low static pressure indoor units.
2. Space saving design.
3. System automatically displays any diagnostic error codes.
4. Brushless DC motor for improved energy efciency.
5. Five fan speeds with a quiet operation mode.
6. Wider range of ESP: 0-0.12in.W.G.(0-30Pa).
7. Centralized controller function (optional from our company).
8. If there is a power outage during while the system is operating, the system will resume the last mode and settings it was set to run in.
9. This indoor unit only has a wired controller option.
Operating Range
Indoor
Cooling
Dry
Outdoor
Indoor
Heating
Outdoor
Max. DB: 89.6°F (32°C) WB: 73.4°F (23°C)
Min. DB: 64.4°F (18°C) WB: 57.2°F (14°C)
Max. DB: 109°F (43°C) WB: 78.8°F (26°C)
Min. DB: 23°F (-5°C)
Max. DB: 80.6°F (27°C)
Min. DB: 59°F (15°C)
Max. DB: 69.8°F (21°C) WB: 59°F (15°C)
Min. DB: 5°F (-15°C)

Parts and Functions

Supply air
Liquid and vapor ports
Drainage pipe (gravity)
Hanging bracket
1

Safety

• This manual should be saved and stored close to this air conditioning equipment.
• There are two types if indications. Both are related to safety and should be strictly followed. " issues that pose a risk of major injury or death. "
injury.
• After installation and start-up commissioning, please give the manual to the user. The manual should be kept in safe place and close to the unit.
Caution" highlights issues that pose a risk of equipment or bodily
Warning" highlights
WARNING
• Installation and maintenance should be performed by an authorized agency. The wrong operation of this air condition equipment may cause water damage, electric shock or re.
• Please install the unit on the top of a solid foundation or structure which is strong enough to support the unit.
• The installation of this condition equipment should follow local building codes.
• Use the right cable size, secure the terminal rmly, organize the cables well and make sure no tension is added on cables. Cable insulation should not be damaged. Improper wire installation may lead to re.
• This unit is only compatible with R-410A refrigerant. If any other gas enters the system, it may lead to abnormal high pressure which may cause damage or injury.
• Only use branches supplied by Haier. Use of any other branches will void warranty.
• Keep the condensate drain pipe away from toxic gas vents to prevent possible pollution of indoor environment.
• Care should be taken to ensure that there are no refrigerant leaks. R-410A is a heavy gas and will displace oxygen. Ventilate the area if a leak if found.
• The unit is not explosion-proof. Please keep it away from ammable gases.
• The drain pipe should be installed per this manual to ensure proper drainage. The pipe should be well insulated to avoid condensation. Wrong installation may lead to water damage.
• Both liquid pipe and the vapor pipe should be also well insulated. Not enough insulation may lead to system performance deterioration or condensate formation.
• This equipment should not be used or serviced by personnel who have not been properly trained in its operation and maintenance.
• Children should be supervised to ensure that they do not play on or near the equipment.
• Keep the appliance and its cord out of reach of children.
• The appliances are not intended to be operated by means of an external timer or separate remote-control system.
CAUTION
• Grounding wire should be connected to the grounding bar. The grounding wire cannot be connected to the gas pipe, water pipe, lightening rod or the telephone grounding wire. Improper grounding may cause electric shock.
• A circuit breaker should be installed. If not, it may cause electric shocks or accidents.
• After installation, the air condition equipment should be powered on and passed the electric leakage current lest.
• If the ambient humidity is more than 80%, if the water discharge hole is blocked or the lter becomes dirty or the airow speed changes, this may lead to condensate water leaks. There may also be some drops of water spraying out.
2
Safety
Attention
• Do not put any heating apparatus under the indoor units. The heat may cause distortion of the units.
• Pay attention to the ventilation to avoid anoxic injury.
• Do not place an open ame in the path of blowing air.
• Do not install in a corrosive environment. If the base collapses, the unit may fall and cause damage, product failure, personal injury or death.
• 3-minutes protection To protect the unit, there is a 3-minute time-out after the unit stops or after power is applied.
• Close the window to avoid outdoor air getting in. Curtains or window shutters can be put down to avoid the sunshine.
• Do not touch the power switch with the wet hand to avoid power shock.
• Turn off the system and remove power when servicing the unit.
• Do not use the unit for special purposes such as preserving foods, works of art etc. It is an air conditioner for comfort cooling / heating, not a precision refrigeration system.
Notices during Operation
• Use the correctly rated breaker or fuse. Improper breaker or fuse may lead to re, electric shock, explosion, personal injury or death.
• Do not permit water or steam to enter the unit and the wired controller. There is risk of unit failure, re, electric shock, personal injury or death.
• Turn off the power to save energy if the unit will be not used for a long period. If the unit is not powered off, it will consume power.
• Don't remove power while system is running.
• Do not clean the unit with water spray. There is risk of unit failure, re, electric shock, personal injury or death.
• Keep ammable gas or combustibles away from the unit. There is risk of product failure, re, personal injury or death.
• Please keep children away from this air condition equipment.
3

Maintenance

Cleaning the air lter & air inlet grid.
• Don't remove the air lter except for cleaning, or faults may occur.
• When the air conditioner operates in the environment with too much dust, clean the air lter on a more regular basis (generally once every two weeks).
Cleaning the Air Inlet/Outlet Grilles:
Attention
• Do not use gasoline, benzene, diluents, polishing powder or liquid insecticide to clean them.
• Do not clean them with hot water of over 122°F(50°C) to avoid fading or distorting.
• Wipe them with a soft dry cloth.
• Water or neutral dry cleaner is recommended if the dust cannot be removed.
Cleaning Air Filter:
Attention
• Don't rinse the air lter with hot water of above 122
• Don't put the air cleaner near re to dry to avoid catching re.
ºF(
50°C) to avoid fading and distorting.
(A) Brush off dirt and vacuum.
(B) Wash with soft cloth and mild detergent. (C) Shake water off and allow the lter to fully air dry before reinstalling.
4
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