Haier AD842AHEAA User Manual Download

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Operation manual

Installation manual

DUCT TYPE AIR CONDITIONER

Please read this operation manual before using the air conditioner.

Please keep this manual carefully and safely.

AD842AHEAA

AU84NATEAA

No. 0150504624 B

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Summary of Contents for AD842AHEAA

Page 1: ...tion manual Installation manual DUCT TYPE AIR CONDITIONER Please read this operation manual before using the air conditioner Please keep this manual carefully and safely AD842AHEAA AU84NATEAA No 0150504624 B ...

Page 2: ... Care and Maintenance 8 8 Troubleshooting 9 11 Is the Unit Installed Correctly 12 12 13 13 Safety Precautions 3 5 Parts and Functions 6 6 Cautions 2 2 Installation Procedure 14 25 Precaution for Installation Contents 1 ...

Page 3: ...r house Safety Instructions and Warnings Damaged air conditioners are not to be put into operation In case of doubt consult your supplier Use of the air conditioner is to be carried out in strict compliance with the relative instructions set forth in the User s Guide For the purpose of safety the air conditioner must be properly grounded in accordance with specifications Always remember to unplug ...

Page 4: ...f is not encouraged because it could cause such problems as water leakage electrical shock or fire accident by some improper handing Installation by yourself is not encouraged because it could cause such problems as water leakage electrical shock or fire accident by some improper handing Do not install nearby the place where may have leakage of flammable gas Depending on the place of installation ...

Page 5: ... place something on it Do not use the power switch to turn on or off the system Do not touch the air outlet section while the swing louver is operating Do not use such equipment as a water heater etc around the indoor unit or the wire controller ON OFF It could cause electric shocks It will not be good for their health Use of steel or copper wire in place of a fuse is strictly prohibited because i...

Page 6: ... connecting cable should be 4G 1 5mm 2 All the cables shall have got the European authentication certificate During installation when the connecting cables break off it must be assured that the grouding wire is the last one to be broken off 6 The breaker of the air conditioner should be all pole switch and the distance between its two contacts should be no less than 3mm 7 The indoor unit installat...

Page 7: ...Indoor Unit Duct Duct Drain pipe Air outlet Air inlet Air outlet Air inlet Air inlet Outdoor Unit Parts and Functions 6 ...

Page 8: ... Heat pump type warming With the heat pump type warming the mechanism of heat pump that concentrate heat of outdoor air with the help of refrigerant to warm the indoor space is utilized Defrosting operation When a room is warmed with a heat pump type air conditioner frost accumulates on the heat exchanger of outdoor unit along with the drop of indoor temperature Since the accumulated frost reduces...

Page 9: ...inlet grill until fan stops completely Fan will continue rotating for a while by the law of inertia after operation is being stopped CAUTION Pre Season Care See that there are no obstacles blocking the air inlet and air outlet of both indoor and outdoor units Make sure that the air filter is not dirty Cut in the power supply switch 12 hours before starting run Post Season Care Operate the unit wit...

Page 10: ...direct Isn t any unexpected heating load generated Isn t the room much crowded Isn t the swing louver horizontal At HEATING mode If swing louver is horizontal the blow wind does not reach floor The wind does not blow during heating operation Isn t it warming up When the air conditioner does not operate properly after you have checked the above mentioned items or when the following phenomenon is ob...

Page 11: ...N mode during cooling To prevent frost from being accumulated on the indoor unit heat exchanger it is sometimes automatically switched to the FAN mode but it will soon return to the cooling mode Even if the operation switch is turned on cooling dehumidifying or heating is not operable for three minutes after the conditioner is stopped Because the protecting circuit is activated During this time ai...

Page 12: ...cuit for more than 2min continuously Sensor broken down or short circuit for more than 2min continuously CT check abnormal 3 times in 30min Fault phase short of phase out of balance greatly High pressure switch acts 3 times in 30min Low pressure switch acts in normal running Communication abnormal for more than 4min continuously Communication abnormal for more than 4min continuously Float switch b...

Page 13: ...ult from a falling of the unit Execute the prescribed installation construction to prepare for earthquakes and the strong winds of typhoons and hurricanes etc Improper installations can result in accidents due to a violent falling over of the unit For electrical work please see that a licensed electrician executes the work while following the safety standards related to electrical equipment and lo...

Page 14: ...salt breeze blows Seaside etc The place where dense soot smoke exists The place where humidity is extraordina rily high The place where near the machine which radiates the electromagnetic wave The place where voltage variation is considerably large For details consult your sales dealer The electric work must be burden on the authorized engineer with qualification for electric work and grounding wo...

Page 15: ...The chosen installation place should meet the following requirements and get the user s consent Place ensures ideal airflow distribution The passage of airflow has no obstacles When importing outside air it should be imported directly from outdoors if the pipe can not be extended it also can not be imported from top Place ensures enough space for maintenance The pipe length between indoor and outd...

Page 16: ...at and prevent the ceiling from vibration For details please consult to the builder 3 Hanger bolts installation Use care of the piping direction when the unit is installed Use M10 screw bolt In order to bear the weight of the unit for existed ceiling using foundation screw bolt For new ceiling using burying embedded screw bolt burying screw bolt or spot supplied other parts Before going on install...

Page 17: ... able to be cleaned As the right figure shown use T type joint The backwater bend is set near the air conditioner For drain pipe use hard PVC general purpose pipe VP 25 I D 1 which can be purchased locally When connecting insert a PVC pipe end securely into the drain socket before tightening securely using the attached drain hose and clamp Adhesive must not be used connection of the drain socket a...

Page 18: ...h friction impedance of the duct is 1Pa m when the dimension of one side of the air duct is fixed as 250mm as shown below Note 1Pa m 0 1mmAg m The chosen chart of simple duct The calculation of duct resistance the simple calculation is as follow table Enlarging chart of profile chart A Vibration resistance hook A Insulation muffler cavity air sending Sacking joint Air volume adjuster Air outlet Ch...

Page 19: ...when unit air sending volume exceeds the limit the discharged water of heat exchanger will overflow leading to water leakage Air discharging fan Improper example Installation Precedure 18 11 Refrigerant pipe The air side pipe liquid side pipe must be faithfully heat insulated if no heat insulation it may cause water leakage The outdoor unit has been charged with refrigerant When connect the pipe t...

Page 20: ... pieces of steel rope with diameter above 6 mm 3 Put protective materials between the cable and the unit to prevent deformation and damage of the surface 1 During installation connect the outdoor unit and align the mounting surface See the figure on the right Mount the electric distribution device on the external side of the unit in accordance to the installation instructions for electric distribu...

Page 21: ...ure for the distance between the foundation bolts 4 During installation anti vibration rubber pads should be used between the machine and the bracket 3 In snowy regions snow proof facilities should be used see the figure right Poor snow proof facilities may lead to damage To avoid inconveniences the unit should be raised and snow proof covers should be installed at the air inlet and outlet 2 When ...

Page 22: ...ied value Refer to the below Torque moment for tightening the nut 4 Connection of refrigerant pipe During installation if refrigerant leakage occurs ventilation measures must be taken When refrigerant meets with fire hazadous gas will be produced After installation make sure that there is no refrigerant leakage Refrigerant if meeting with heaters and stoves ect in the room may produce hazardous ga...

Page 23: ...all the gas and liquid valves To prevent nitrogen gas from invading the outdoor circulating system close the valve tightly before pressure increase Both the gas and liquid valves must be tightly closed Every cooling system must be charged slowly from the gas and liquid valves It must be charged from the gas and liquid valves Installation Precedure 22 6 Leak Test Note Never use oxygen flamable and ...

Page 24: ...de Solder joint Solder joint Tightly closed Indoor unit Indoor Outdoor Access hole Solder joint Tightly closed Tightly closed Access hole Outdoor unit P Use a vacuum pump with high degree of vacuum below 755mmHg and large volume displacement above 40L min The pumping time depends on the length of the connecting pipe Generally it takes about 2 3 hours Make sure that the Y shaped valves on both the ...

Page 25: ...ity under the critical value If uninterrupted ventilation is impossible a combined fanning and alarming device should be installed in its stead through which immediate ventilation is possible when leak occurs See the figure Right Calculation of refrigerant density Calculation will be made according to the following methods 1 Total refrigerant content of each system kg content of 1 outdoor system r...

Page 26: ... ends of the wires Use copper conductor only Select wire sizes and circuit protection from table below This table shows 20 m length wires with less than 2 voltage drop Wiring connection Make wiring to supply power to the outdoor unit so that the power for the indoor unit is supplied by terminals Connecting cable and power cable are self provided AU84NATEAA Item Model Phase Switch breaker A Circuit...

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Page 28: ...HAIER GROUP Qingdao Haier Air Conditioner Electric Co Ltd Address Haier Garden Qianwangang Road Economic Development Zone Qingdao Shandong 266500 P R China Web Site http www haier com ...

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