MZ Concealed Ducted
Contents
1. 5 ESTO SS E ENERO TIVI eredi 1 Safety Precautions Read this manual carefully before using this unit and operate it correctly according to the instructions in this manual Pay special attention to the meaning of these two marks A Warning Indicates a potentially hazardous situation which if not avoided could result in death or serious injury A Notice Indicates a situation that could result in equipment or property damage Warning 4 Do not adopt fuse with unsuitable capacity or adopt iron thread instead of fuse otherwise malfunction or fire may happen 4 Turn off the main power switch immediately if a malfunction is detected Keep good ventilation in the room to avoid oxygen deficit Do not insert finger or stick like objects into discharge vent or outlet grill Wall structure must be adequate to support the weight of the unit Failure to ensure adequate structural support could result in the unit falling from its location which could result in death serious injury or equipment and or property damage Do not apply sprays paints or insecticides to the surface of the unit as this is a fire hazard Do not attempt to repair replace or relocate the unit Contact your authorized dealer or installation professional for service replacement or relocation of the unit Install a separate disconnect at the outdoor unit The power supply wi2. Fig 16 Notes D The connection height of the drain hose should be within 33 5 inches 850 mm so that the outlet of the drain hose does not suffer the external force 2 If multiple drain pipes converge please follow the installation steps below I Joint of drain pipe I The specification of the joint of the drain pipe should be suitable to the running capacity of the unit A Drain Hose accessory 75 E Max 3 inch Max 39 4 inch Max 1000mm Fig 17 3 12 Test forthe Drainage System 1 After the electrical installation test the drainage system 2 During the test check if the water flow goes through the pipe correctly and observe 11 Duct Type Air Handler the joint carefully to see if it leaks or not If this unit is installed in a newly built house it is suggested to perform this test prior to the ceiling installation 3 13 Piping 1 Let the flare end of the copper pipe point at the screw and then tighten the screw by hand 2 Tighten the screw with a torque wrench until it is E sufficiently as shown in Fig 18 mm E Ed Flare Nut Pipe Spanner 7
3. Torque Spanner Fig 18 Table 6 Moments of rus for Tightening Screws Pipe Diameter Required Torque 6 35 mm 1 4 inch 15 30 N m 20 40 7 ft Ibf 9 52 mm 3 8 inch 35 40 N m 47 5 54 4 ft IDf 912 mm 91 2 inch 45 50 N m 61 67 8 ft Ibf 15 9 mm 5 8 inch 60 65 N m 81 4 88 1 ft Ibf 3 The bending degree of the pipe can not be too small otherwise it will crack Use a pipe tube bender to bend the pipe 4 Wrap the exposed refrigerant pipe and the joints with foam wrap and then secure it with plastic tape N CAUTION D During the connection of the indoor unit and the refrigerant pipe never pull any joints of the indoor unit by force otherwise the capillary pipe or other pipe may crack which then would result in leakage 2 The refrigerant pipe should be supported by brackets don t let the unit withstand the weight of it If the specification of the outdoor unit pipe joint does not conform to that of the indoor unit then the joint specification of the outlet pipe of the indoor unit takes precedence A reducing nipple shall be installed at the joint of the outdoor unit so as to make the joint of the outdoor unit compatible with that of the indoor unit 3 14 Insulation for the Refrigerant Pipe 1 The refrigerant pipe should be insulated by insulating material and plastic tape in order to prevent condensation and water leakage 2 The joints of the indoor unit should be wrapped w
4. 2 g ND N 1 E D 2 2 XT3 E 3 UJ OG N0 5 2 2 XT2 S e amp OG L POWER N xri Fig 21 15 Duct Type Air Handler 3 17 Wiring of the Signal Line of the Wired Controller 1 Open the cover of the electric box of the indoor unit 2 Let the signal line go through the rubber ring 3 Insert the signal line to the four pin socket on the printed circuit board of the indoor unit 4 Fix the signal line with a plastic wire tie 3 18 Electric Installation Table 7 Type Power Suppl Running Current A Input Power W Recommended Power Cord y wer Supply Indoor Fan Motor Sectional Area x Pieces 4MXD8509A10NO0AA 208 230V 60Hz AWG 14 X4 MXD8512A10NOAA 208 230V 60Hz AWG 14 X4 4MXD8521A10NOAA 208 230V 60Hz AMXD8524A10NOAA 208 230V 60Hz AWG 14 X4 AWG 14 X4 Cooling and AMXD8518A10NOAA 208 230V 60Hz AWG 14 X4 Heating Notes The sectional area listed above is applicable to the power cord with a maximum length of 49 2 feet 15 meters For the longer cord its sectional area should be enlarged to avoid the cord burning out caused by over current 16 Duct Type Air Handler 4 Working Temperature Range Table 8 Working Temperature Range DO ousoorsiebB Mimmumcoing 0 Maximum heating Minimum heating 5 17 Duct Type Air Handler 9 Error Analysis If your conditioning unit runs abnormally please check the following items befo
5. a Install the return air pipe b Fig 12 Table 5 Parts and Components of the Return Air Duct No Name No Name Return Air Louver with the filter screen Return Air Duct 3 8 Installation of the Condensate Pipe 1 The condensate pipe should keep a downward sloping angle of 5 10 which can facilliate the drainage of the condensate water And the joints of the condensate pipe should be insulated by insulation material to prevent condensation see Fig 13 Insulating Layer for the Condensate Pipe Pipe Lip Fig 13 Thermal Insulation of the Condensate Pipe 2 There is a condensate outlet on both left and right sides of the unit Once one is confirmed to be used the other should be sealed by a rubber plug bundled by binding wire and insulated by insulation material to avoid water leakage 3 The right outlet is defaulted to be sealed with a plug CAUTION Seal properly and verify there is no water leakage from the joint of the condensate pipe Failure to do so may result in equipment and or property damage 3 9 Design of the Drain Pipe 1 The drain pipe should always keep a downward sloping 5 10 to avoid water accumulation or improper drainage 2 When connecting the drain pipe to the unit avoid excessive force on the connection The pipe should be as close to the unit as possible 3 T
6. must be replaced by the installing servicing technician Duct Type Air Handler 6 The unit should be grounded properly and the ground wire should be connected to the dedicated device of the building by the technician The power supply wiring and grounding of equipment must comply with National State and or Local Codes The power supply must agree with the equipment nameplate 2 3 Grounding Requirements 1 The air conditioner is classified into Class appliances it must be grounded properly 2 The yellow green line of the air conditioner is the ground wire and can not be used for other purposes cut off or fixed by the tapping screw otherwise it would cause an electric shock hazard 3 The required grounding terminal should be provided and the ground wire can not be connected to any of the following places D Running water pipe 2 Coal gas pipe 8 Sewage pipe 4 Other places where the technician determines unreliable 2 4 Accessories for Installation Refer to the packing list for the accessories of the indoor and outdoor units respectively Duct Type Air Handler 3 Installation Instructions 3 1 Outline Dimension Drawings of the Indoor Unit Note the unit in the followings figures is mm unless otherwise specified Fig 1 is applicable to the specific models referenced G Elect
7. na ARA 2 4 Accessories for Installation sus a a 3 Installation Instructions in ad Ci DRA 3 1 Outline Dimension Drawings of the Indoor Unit 3 2 Dimension Requirements on the Installation Space of the Indoor Unit 3 3 Installation of the Indoor sees 3 4 Leveling the Indoor Unit so Xo e REPRE IM US 3 5 Installation of the Ar Supply Duct usas rr ERE EUR RE REY RV EIE 3 6 Drawings of the Air Supply Outlet and Return Air Inlet 3 7 Installation of the Return Air Duct nece 3 8 Installation of the Condensate Pipe 49 Design OF the Draln Pipe sas relire 3 10 Installation of the Drain 3 11 Precautions Tor the Lift Pipe usadas meus rR R HERERED CER Ded dn 4 12 Test for the Drainage System TA osse EE homes E IE MP ub aaa 3 14 Insulation for the Refrigerant Pipe 3 15 Wiring between the Wire and the Wiring Terminal 3 16 Wiring of the Power Cord 3 17 Wiring of the Signal Line of the Wired Controller 3 18 Electric Installation eee rtr re rea rea 4 Working Temperature
8. opening in the ceiling it is better to reinforce it to keep it flat and prevent vibration Consult the user and builder for more details 3 If the strength of the ceiling is not strong enough a beam made of angle iron can be used and then fix the unit on it 4 If the indoor unit is not installed in an air conditioned area please use foam wrap around the unit to prevent condensation The thickness of the foam wrap depends on the actual installation environment 3 4 Leveling the Indoor Unit After the installation of the indoor unit the leveling must be checked to make sure the unit is kept horizontal fore and aft and keep a downward slope of 5 toward the drain pipe right and left as shown in Fig 6 Check with a level 22 22 a Lj Fig 6 DE 3 5 Installation of the Air Supply Duct 1 Installation of the Rectangular Air Supply Duct Supply air 4 5 6 Fig 7 Table 2 2 Return Air Duct Filter Screen 4 Return Air Inlet Air Supply Outlet 2 Installation of the Round Air Supply Duct Return air Duct Type Air Handler Fig 8 Table 3 1 Return Air Duct 6 Transition Duct Do a 3 Installation Steps of the Round Air Supply Duct 1 Pre install the outlet of the round duct on the transition duct and then fix it by the tapping screw 2 Place the transition duct to the air outlet o
9. wiring board 2 Wiring of the Multi Core Wire stranded wire 1 Strip the insulating layer at the end of the wire about 4 inches 100 mm with a wire stripper 2 Loosen the screw on the wiring board of the air conditioning unit 3 Fix a wiring terminal matching the size of the screw to the end of the multi core wire with crimping pliers 4 Let the screw go through the terminal of the multi core wire and fix it on the wiring board 13 Duct Type Air Handler A Single Cored Wire B Mulit Cored Wire 25m Wiring Terminal 1 inch 10m 0 4 in Insulating layer Fig 20 N WARNING D If the power cord or the signal line are damaged they must be replaced with the required replacement part 2 Prior to wiring please check the voltage marked on the nameplate and carry out the wiring following the wiring diagram 3 The dedicated power cord must be used for the air conditioning unit and the electrical leakage protection switch and air switch must be installed in case of an overload condition 4 The air conditioning unit must be grounded to prevent hazard caused by failed insulation During wiring the wiring terminal or single core wire must be used the direct wiring between the multi core wire and wiring board could cause fire 6 All wiring should be done strictly in accordance with the wiring diagram otherwise improper wiring would cause abnormal operation or damage to the unit C Do not let the electri
10. with clamps 6 Insert drain pipe into opposite end of drain hose and clamp securely Do not use adhesive at this joint 7 Wrap the clamps with large amount of foam wrap for thermal insulation 8 The drain hose inside the room also should be insulated jer LUN Foam wrap accessory Clamp Sen Log eee accessory 4 Foam wrap gray Drain Hose E 4mm Fig 15 0 16 inch 10 Duct Type Air Handler 3 11 Precautions for the Lift Pipe The installation height of the lift pipe should be less than 33 5 inches 850 mm It is recommended to set an inclination angle 1 2 for the lift pipe toward the drainage direction If the lift pipe and the unit form a right angle the height of the lift pipe must be less than 31 5 inches 800 mm 1 1 5m 3 3 4 9 temia anger Bracket Ceiling q ic lt 11 8 inch lt 300mm o 5 1 2 5 Elan D Lift Pipe S W W L TR E 5 Sel DE o CESPE EEE Ei os LS We WW g mu Enim GE y EI AS rim Drain Hose
11. 4 inch 156 mm 862 mm 780 mm 162 mm 4MXD8518A10N0AA 6 1 inch 33 9 inch 30 7 inch 6 4 inch ET 156 mm 1062 mm 980 mm 162 mm AMXD8524A10N0AA 6 1 inch 41 8 inch 38 6 inch 6 4 inch 3 7 Installation of the Return Air Duct 1 The default installation location of the rectangular flange is in the back and the return air cover plate is in the bottom as shown Fig 11 Rectangular Flange 25 Downward Return Air De Return Air Air Cover Plate Fig 11 2 If downward return air is desired just change the place of the rectangular flange and the return air cover plate 3 Connect one end of the return air duct to the return air outlet of the unit by rivets and the other to the return air louver For the sake of convenience to freely adjust the height a cutting of canvas duct will be helpful which can be reinforced and folded by 8 iron wire 4 More noise is likely to be produced in the downward return air mode than the backward return air mode so it is suggested to install sound insulation and a plenum box to minimize the noise 5 The installation method can be chosen with considering the conditions of the building and maintenance etc as shown in Fig 12 8 Duct Type Air Handler o os No at bi Air E E a b o 11 Return air id Return air Install the return air pipe
12. NOS deseen 2102 UN VNVONOIVTvYZSSOXINT VNVONOILVLZSSOXINT VNVONOILV8ISSOXINT VNVONOILVCILSSOXINT VNVONOIV60S8OXIWNT SPOIN u njg 000 b 0 u nig 000 60 LU JS S JeueAu JAS NNN VOLT 3 5 315 XXXX 66c 99 Jenuew siy 0 paiajas jueuudinbe jo Bupyuas pue uonelejsui ay peyrjenb JUQ eonou suoneoyroeds 0 juBu pue ejep jonpold pue jonpoJd jo ojjod e seu 941 sepesjedng clog yew aq NJ NAS SW Jequinw J9p10 penjesei 1 2102 puey jjossa6uy dD 9 c ON 9781605 vao arsyso 80901 OLGSIILLI3O o S66T1 Q LS TN 4D OLSWHO4NOO Warnings and Cautions Warnings and Cautions Notice that warnings and cautions appear at appropriate intervals throughout this manual Warnings are provided to alert installing contractors to potential hazards that could resullt in personal injury or death while cautions are designed to alert personnel to conditions that could result in equipment damage Your personal safety and the proper operation of this machine depend upon the strict observance of these precautions Attention Warnings and Cautions appear at appropriate sections throughout this literature Read these carefully WARNING Indicates a potentially hazardous s
13. c wires touch the refrigerant pipe the compressor the fan or other moving parts 8 Do not modify the wiring inside the indoor unit otherwise the manufacturer will not assume any responsibility for the damage or abnormal operation of the unit 3 16 Wiring of the Power Cord single phase N CAUTION The power supply for each indoor unit must be uniform D Dismantle the cover of the electric box of the indoor unit 2 Let the power cord go through the rubber ring 8 Put the 4 core cable through the hole of the chassis and the bottom of the appliance upward and then connect the power line and the communication line from the outdoor unit to the corresponding terminals N 1 2 3 and grounding terminal of the indoor unit Wiring shall be done properly as per the wiring diagram Note Be sure the wiring terminals A B C D and piping joints A B C D of the indoor unit match with that of the outdoor unit respectively 4 Fix the power cord tightly with a plastic wire tie 14 Duct Type Air Handler For example wiring connection for 4TXM6542A1050BA gno NO z 2 2 XT6 el 2 3 m os OG EN un es 2 2 XT5 E Lo Z 3 3 D es OG 5 zum NO 2 2 2 XT4 o AF 3 S DG
14. ch unit would be reduced A breaker or fuse needs to be installed in every indoor unit and the capacity should be in accordance with indoor unit s electrical parameter all indoor units are required to be controlled by a main switch this switch can cut off the electric power supply in case of emergency The breaker or fuse on each indoor unit has the function of preventing a short circuit and avoiding abnormal overload it should be connected in a normal situation The main switch controls the power supply to all of the indoor units Before cleaning and maintaining the indoor units it is very important to turn off the main power supply switch In order to turn on the units successfully the main power switch should be applied 8 hours before the operation It is normal for the indoor unit to still run for 20 70 seconds after the indoor unit receives the stop signal so as to make full use of any remaining heated or cooled air When the running modes of the indoor and outdoor units conflict it will be indicated on the display of the control panel for five seconds and the indoor unit will stop At this time change the operation mode of the indoor unit to the one that would not conflict with the outdoor operating mode to make the operation normal The HEAT mode will conflict with the COOL mode DRY mode and FAN mode while the COOL mode DRY mode and FAN mode are compatible between each other The appliance shall not be installed in moist places
15. f the unit and fix it with rivet 3 Connect the outlet to the duct and then tighten them with tape Other installation details are not covered herein CAUTION D The maximum length of the duct means the maximum length of the air supply duct plus the maximum length of the return air duct The maximum length is no longer than 3 3 ft 1 m 2 The duct is either rectangular or round and connected with the air inlet outlet of the indoor unit Among all air supply outlets at least one should be kept open As for the round duct it needs a transition duct of which the size should match with the air supply outlet of the unit After the fitting of the transition duct it is the turn of the round duct which is better to be kept 3 3 feet 1 meters away from the corresponding diffuser The standard accessories supplied by the manufacturer is the transition duct 7 9 inches 200 mm long and round air outlet 7 9 inches 200 mm however those of other specifications can be purchased Duct Type Air Handler 3 6 Drawings of the Air Supply Outlet and Return Air Inlet Ej C Fig 9 Air Supply Outlet Fig 10 Return Air Inlet Table 4 Dimensions of the Air Supply Outlet and Return Air Inlet unit mm inch Air ELT Outlet Return Air Inlet EXIT LE mm 662 mm 580 mm 162 mm AMXD8512A10N0AA 6 1 inch 26 1 inch 22 8 inch 6
16. he drain pipe can be ordinary hard PVC pipe which can be purchased locally During the connection inset the end of the PVC pipe to the drain outlet then tighten it with the drain hose and binding wire but never connect the drain outlet and the drain hose by adhesive 9 Duct Type Air Handler 4 When the drain pipe is used for multiple devices the joined section of the pipe should be 3 9 inches 100 mm lower than the drain hole of each device and it is suggested to use a larger diameter pipe for such a purpose 3 10 Installation of the Drain Pipe 1 The diameter of the drain pipe should be larger than or equal to that of the refrigerant pipe PVC pipe outer dimater 1 inch 25 mm wall thickness 0 05 inches 1 5 mm 2 The drain pipe should be as short as possible and with at least a 1 100 degree of slope to avoid forming air pockets 3 If the proper degree of slope of the drain pipe is not allowed a lift bracket should be installed 4 A distance 39 4 to 59 inches 1 to 1 5 m should be kept between the hangers to avoid the drain hose sagging or bending 1 1 5m 39 4 59 inch SD o Right with a min degree of slope 1 100 Wrong Fig 14 5 Insert the drain hose into the drain hole and tighten it
17. is adequate 4 Ensure the installation space shown in Fig 2 is adequate for maintenance access 5 It should be far away from heat sources leakage of flammable explosive substances or smog 6 It is the ceiling type unit concealed in the ceiling 7 The power cords and connection lines of the indoor and outdoor units must be at least 3 5 feet 1 m away from the TV set or radio to avoid the image interference and noise even if the distance is kept the noise may be produced due to the strong electromagnetic wave 2 Installation of the Indoor Unit Insert the M10 expansion bolt into the hole and then knock the nail into the bolt Refer to the Outline Dimension Drawings of the Indoor Unit for the distance between holes and see Fig 3 for the installation of the expansion bolt A A Hanger bolt Air conditioning unit gt e Anchor IE Fig 3 Fig 4 Install the hanger on the indoor unit as shown in Fig 4 Install the indoor unit on the ceiling as shown in Fig 5 E X 48mm lt 2 inch Fig 5 CAUTION D Prior to installation make preparation for all piping refrigerant pipe drain pipe and wiring wires of the wired controller wires between the indoor and outdoor unit of the indoor unit to make installation more efficient 9 Duct Type Air Handler 2 If there is an
18. ith insulating material and no gap is 12 Duct Type Air Handler allowed on the joint of the indoor unit as shown in Fig 19 7 CAUTION After the pipe is protected well enough never bend it to form a small angle otherwise it would crack or break 3 Wrap the pipe with tape 1 Bundle the refrigerant pipe and electric wire together with tape and separate them from the drain pipe to prevent the condensate water overflowing 2 Wrap the pipe from the bottom of the outdoor unit to the top of the pipe where it enters the wall During the wrapping the later circle should cover half of the former one 3 Fix the wrapped pipe on the wall with clamps CAUTION D Do not wrap the pipe too tightly otherwise the insulation effect would be reduced Additionally make sure the drain hose is separated from the pipe Fig 19 2 Fill the hole in the wall with sealing material to prevent wind and rain coming into the room 3 15 Wiring between the Wire and the Wiring Terminal 1 Wiring of the Single Core Wire solid wire 1 Strip the insulating layer at the end of the wire about 1 inch 25 mm off with a wire striper 2 Loosen the screw on the wiring board of the air conditioning unit 3 Shape with pliers at the end of the wire to a circle matching with the size of the screw 4 Let the screw go through the circle of the wire and then fix it on the
19. ituation which if not avoided could result in death or serious injury CAUTION Indicates a potentially hazardous situation which if not avoided could result in minor or moderate injury lt may also be used to alert against unsafe practices NOTICE Indicates a situation that could result in equipment or property damage only accidents J WARNING This equipment is to be serviced by professionally trained personnel ONLY Under NO circumstances should an unqualified person service it This equipment contains refrigerant under PRESSURE and operates at HIGH VOLTAGE Improperly installed adjusted or altered equipment by an unqualified person poses safety hazards includ ing FIRE ELECTROCUTION or EXPLOSION which could result in death or serious injury WARNING Electrocution and Fire Hazards with Improperly Installed and Grounded Field Wiring Improperly installed and grounded field wiring poses FIRE amp ELECTROCUTION haz ards To avoid these hazards you MUST follow requirements for field wiring installa tion and grounding as described in the National Electrical Codes NEC and your local state electrical codes All field wiring MUST be performed by qualified personnel Failure to follow these requirements could result in death or serious injury Notice The total capacity of the indoor units which runs at the same time can not exceed 150 of that of outdoor units otherwise the cooling heating effect of ea
20. re contacting the maintenance serviceman Table 9 No power supply Failed startup Breaker opens due to electrical leakage Voltage is too low parar zu Air inlet outlet of the indoor outdoor unit is clogged operation Airr filter screen is too dirty or clogged Too many heat sources or people in the room Poor cooling effect Door or window is open Obstacles at the air inlet outlet Set temperature is too high Air filter screen is too dirty or clogged Poor heating effect Door or window is not closed fully Set temperature is too low If the remote controller fails even if the batteries have been replaced please open the back cover of it and press the button ACL to reset it back to the normal condition Is the remoter controller in the signal receiving range Or is it Unresponsive controller blocked by obstacles For the duct type unit operate the remote controller pointing at the wired controller If the above remote control steps fail make sure the wired controller also has new batteries Note If the air conditioner still runs abnormally after checking the above please contact the installing servicing dealer for assistance 18 Duct Type Air Handler 6 Maintenance CAUTION Take notice of the following items before cleaning your air conditioning unit 1 Cut off the main power supply before contacting any wiring device 2 Only when the unit is turned off and the main power supply i
21. re the top hanger ceiling and the building structure are strong enough to withstand the weight of the unit 3 Where the drain pipe can be easily connected to outside 4 Where the flow of the air inlet and outlet are not blocked 5 Where the refrigerant pipe of the indoor unit can be easily led to outside 6 Where there is no flammable explosive substances or their leakage 7 Where there is no corrosive gas heavy dust salt mist smog or moisture CAUTION A unit that is installed in the following environments will not function properly and will have shortened service life If unavoidable contact the servicing installing dealer D Where there is too much oil 2 Where it is exposed to salt air water or other corrosive substances 3 Where there is sulfur gas like sulfur hot spring 4 Where there are devices with high frequency like wireless devices electric welding devices or medical equipment 5 Special circumstances 2 2 Electric Wiring 1 The installation must be done in accordance with National State and or Local Codes 2 Only the power cord with the rated voltage and exclusive circuit for the air conditioner can be used 3 Do not pull the power cord by force 4 The electrical installation should be carried out a licensed electrician as instructed by National State and or Local Codes and also this manual 5 The diameter of the power cord should be large enough and if it is damaged it
22. ric Box liquid Pipe Gas Pipe 1 E Backward B Return Air L E Drain Pipe rers Return Air D F 7 B Fig 1 Table 1 Outline Dimensions 4MXD8509A10NOAA 742 491 mm 662 mm 620 mm 700 mm 615 mm 782 mm 156 mm 200 mm 635 mm 29 2 inch 19 3 inch 19 3 inch 24 4 inch 27 6 inch 4 2 inch 30 8 inch 6 1 inch 7 9 inch 25 inch 942 mm 491 mm 862 mm 820 mm 900 mm 615 mm 982 mm 156 dd 200 mm 635 mm 4MXD8518A10N0AA E 37 1 inch 19 3 inch 33 9 inch 32 3 inch 35 4 inch 4 2 inch 38 7 inch inch 7 9 inch 25 inch 2 1142 mm 491 mm 1062 mm 1020 mm 1100 mm 615 mm 1182 mm 156 mm 200 mm 635 mm 45 inch 19 3 inch 41 8 inch 40 2 inch 43 3 inch 4 2 inch 46 5 inch 6 1 inch 7 9 inch 25 inch 4MXD8524A10N0AA 3 2 Dimension Requirements on the Installation Space of the Indoor Unit 7 Nut with washer Sprin pad r3 27 2 500 mm 22250 mm 219 7 inch Fig 9 gt 9 8 inch Duct Type Air Handler 3 3 Installation of the Indoor Unit 1 Requirements for the Installation Location 1 Ensure the hanger is strong enough to withstand the weight of the unit 2 The drainage pipe is easily connected 3 No obstacle is in the inlet outlet and the air circulation
23. ring and grounding of equipment must comply with National State and or Local Codes The power supply must agree with the equipment nameplate NNotice Before using the unit please check to ensure the piping and wiring are correct to avoid water leakage refrigerant leakage electric shock or fire etc 4 The main power supply must be grounded to avoid the hazard of electric shock Never connect this ground wire to the gas pipe running water pipe lightening rod or phone cable s ground lead Turn off the unit after it runs at least five minutes otherwise its service life will be shortened Do not allow children to operate the air conditioner Do not operate the unit while wet or if standing in water Please turn off the main power to the unit before cleaning the unit or changing the filter Please cut off the main power if the unit will not be used for an extended time Duct Type Air Handler 2 Installation Location and Matters Needing Attention This unit should only be installed and serviced by licensed technicians and electricians Please contact your installing servicing dealer for assistance Installation quality will directly affect the normal use of the air conditioner Do not attempt to install the air conditioner by yourself Do not connect to power until all installation work is completed 2 1 How to select the Installation Location for the indoor unit 1 Where there is no direct sunlight 2 Whe
24. s cut off can the unit be cleaned otherwise it could cause electric shock or injury 3 Do not wash the unit with water or it may cause an electric shock 4 During cleaning remember to use a stable standing platform Daily Maintenance 1 How to clean the filter D Never dismantle the air filer except for cleaning otherwise it may cause an error 2 When the air conditioning unit is used in an environment with heavy dust the air filter should be cleaned often generally once every two weeks 2 Maintenance before seasonal use D Check if the air inlet outlet of the indoor unit is clogged 2 Check if the grounding is in good condition 3 Check if the wiring is in good condition 4 Check if the indicating lamp of the wired controller blinks after it is energized Note If there is something abnormal please consult the servicing installing dealer 3 Maintenance after seasonal use D Let the air conditioning unit run for half day under the fan mode to dry the inside of the unit 2 If the unit is not to be used for a long time please shut off the main power supply for energy conservation at the same time the power indicating lamp of the wired control will go off 19
25. such as the laundry kitchen or bathroom Power supply fluctuating range 10 1Hz Humidity range 3096 9595 Main switch is provided by the end user and must comply with National State and or Local Codes The instruction of the main power switch should be included in the user manual The cooling range of the unit is the outdoor ambient temp 0 110 F 17 43 C DB the heating range of the unit only for the heat pump type unit is the outdoor ambient temp 5 75 F 15 24 C DB This appliance is not intended for use by persons including children with reduced physical sensory or mental capabilities or lack of experience and knowledge unless they have been given supervision or instruction concerning use of the appliance by a person responsible for their safety Children should be supervised to ensure that they do not play with the appliance W This product must not be disposed with domestic waste This product must be disposed at an authorized place for recycling of electrical and electronic appliances Thank you for selecting this product Before use of this product please read this instruction manual carefully and keep it for future reference Contents 1 Safety OR an 2 Installation Location and Matters Needing Attention 2 1 How to select the Installation Location for the indoor unit A AN said a dk GA GA a 2 3 Grounding Requirements a
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