AC Pro MZHS Series Service Manual Download

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AC Pro

MZHS

-Series

Service Manual

Models

AFH(09)DA-D3DNA1A-I
AFH(12)DA-D3DNA1A-I
AFH(18)DB-D3DNA1A-I
AFH(21)DB-D3DNA1A-I
AFH(24)DB-D3DNA1A-I

(Refrigerant R410A)

Summary of Contents for MZHS Series

Page 1: ...AC Pro MZHS Series 9 24K Service Manual Models AFH 09 DA D3DNA1A I AFH 12 DA D3DNA1A I AFH 18 DB D3DNA1A I AFH 21 DB D3DNA1A I AFH 24 DB D3DNA1A I Refrigerant R410A...

Page 2: ...Panel 9 6 2 Introduction of Control Panel 11 Part Installation and Maintenance 13 7 Notes for Installation and Maintenance 13 8 Installation Manual 16 8 1 Preparations for Installation 17 8 2 Location...

Page 3: ...1 Technical Information Service Manual 1 Summary Part Technical Information Outdoor Unit AFH 09 DA D3DNA1A I AFH 12 DA D3DNA1A I AFH 18 DB D3DNA1A I AFH 21 DB D3DNA1A I AFH 24 DB D3DNA1A I...

Page 4: ...r Power Input W Motor Full Load Amp FLA A 0 4 0 4 Fan Motor Capacitor F Evaporator Material Aluminum fin copper tube Aluminum fin copper tube Evaporator Pipe Diameter inch 5 16 5 16 Evaporator Number...

Page 5: ...tor Full Load Amp FLA A 0 7 0 7 Fan Motor Capacitor F Evaporator Material Aluminum fin copper tube Aluminum fin copper tube Evaporator Pipe Diameter inch 5 16 5 16 Evaporator Number of Rows Fin Pitch...

Page 6: ...0 Fan Motor Power Input W Motor Full Load Amp FLA A 0 7 Fan Motor Capacitor F Evaporator Material Aluminum fin copper tube Evaporator Pipe Diameter inch 5 16 Evaporator Number of Rows Fin Pitch 2 Evap...

Page 7: ...nsion Diagram B D A E C A D E C B Model A B C D E 09 12K 32 43 64 29 11 16 11 13 16 31 11 32 27 9 16 18 21 24K 44 31 64 29 11 16 11 13 16 43 7 64 39 3 8 AFH 09 DA D3DNA1A I AFH 12 DA D3DNA1A I AFH 18...

Page 8: ...6 Technical Information Service Manual 4 Refrigerant System Diagram...

Page 9: ...olet OG Orange Outdoor Unit Instruction 600007060236 LURQ VKHOO PRWRU RQO DSSOLHV WR WKH 1RWH 0RWRU JURXQG 75 2 1 8 20 287 5 1 7 1 1 1 78 7 03 5220 7 03 6 1625 6 1625 78 5220 3 35 17 5 8 7 2 5 287 225...

Page 10: ...flow protection 9 Interface of tube temperature sensor 10 Interface of ambient temperature sensor 11 Water pump 12 Terminal with indoor unit communication 13 Neutral wire terminal 14 Fuse Live wire te...

Page 11: ...ed Symbols Fig 1 Appearance of wired controller No Symbols Instructions 1 Up and down swing function 2 Left and right swing function 3 Fresh air function 4 Sleep function 5 Auto mode 6 Cooling mode 7...

Page 12: ...1 Set temperature 2 Set parameter 3 Move option cursor 6 3 ON OFF BACK 1 Turn on or turn off unit 2 Return to last page 4 SWING Set up down swing and set left right swing 5 Z 1 Set related function o...

Page 13: ...ompensation for heat pump unit and Tamb for cooling only unit 4 If theres I feel function Tcompensation is 0 Others are same as above 5 Fan mode Under this mode indoor fan operates at set fan speed Co...

Page 14: ...180 T s at least 9 SE control mode The unit operates at SE status 10 X fan mode When X fan function is turned on after turn off the unit indoor fan will still operate at low speed for 2min and then th...

Page 15: ...the unit adequately grounded The grounding wire cant be used for other purposes 6 Must apply protective accessories such as protective boards cable cross loop and wire clip 7 The live wire neutral wi...

Page 16: ...sure rise or compressor rupture resulting in injury 4 During refrigerant recovery make sure that liquid valve and gas valve are fully closed and power is disconnected before detaching the connection p...

Page 17: ...ng tape 4 Electroprobe 7 Electronic leakage detector 10 Pipe pliers pipe cutter 2 Screw driver 5 Universal meter 8 Vacuum pump 11 Pipe expander pipe bender 3 Impact drill drill head electric drill 6 T...

Page 18: ...e the bound pipes pass through the wall hole and then connect outdoor unit Neaten the pipes Vacuum pumping and leakage detection Check after installation and test operation Finish installation Note th...

Page 19: ...ling type unit 8 Indoor unit outdoor unit power cord and electric wire should stay at least 1m 39 3 8 in from the TV set and radio Otherwise these electrical appliances may have image interference and...

Page 20: ...mance so do not install the unit by yourself Please contact local dealer to arrange professional technicians for the installation 3 Do not connect power until all installation work is finished 8 3 Wir...

Page 21: ...requirements Power cord size is based on BV single core wire 2 4pc at 40 C 104 F Cambient temperature when laying across plastic pipe Air switch is D type and used at 40 C 104 F If actual installatio...

Page 22: ...the indoor unit 1 Drill bolt holes and install bolts 1 Stick the reference cardboard on the installation position drill 4 holes according to the hole site on the cardboard as shown in fig 4 1 3 diamet...

Page 23: ...l prevent the washer from falling GFH 09 24 DA D3DNA1A I are as follows Fig 9 1 6 NOTICE 1 Before operation please prepare all pipelines connection pipe drainage hose and wires connection wire for wir...

Page 24: ...or Installation of Drain Pipe 1 The drainage pipe should be short and the gradient downwards should be at least condensation water smoothly 1 2 in order to drain 2 The diameter of drainage hose should...

Page 25: ...metal clamp accessory drain hose accessory 3 Use sealing plate to make the pipe clamp and hose insulated as shown in Fig 9 3 3 metal clamp accessory thermal sponge accessory Unit mm in Fig 9 3 2 Fig...

Page 26: ...pump etc the water over the 1 Spray 1L water on evaporator with sprayer 2 In case of commissioning finished please energize the IDUs and switch to cooling or dry mode meanwhile the water pump operates...

Page 27: ...25 Installation and Maintenance Service Manual NOTICE 9 4 9 3 11 9 4 1 Shape and Size of Air Outlet and Air return Opening Unit mm in Fig 9 4 1 Air Outlet...

Page 28: ...8 451 17 3 4 25 1 264 10 3 8 660 26 29 1 1 8 195 7 5 8 751 29 9 16 25 1 264 10 3 8 960 37 3 4 29 1 1 8 AFH 09 DA D3DNA1A I AFH 12 DA D3DNA1A I AFH 18 DB D3DNA1A I AFH 21 DB D3DNA1A I AFH 24 DB D3DNA1...

Page 29: ...27 Installation and Maintenance Service Manual 1 4 2 5 6 9 4 7 9 4 7 9 4 4 9 5 9 4 8 9 4 8 9 4 9 9 4 9 NOTICE...

Page 30: ...er for tightening the terminal 2 The connection of stranded wire as shown in fig 10 1 2 1 Strip about 10mm 3 8 in insulation of the end of stranded wire by stripping and cutting tool 2 Loosen the wiri...

Page 31: ...ld be equipped with a circuit breaker for short circuit and overload protection During operation all indoor units connected to the same outdoor unit system must be O kept energized status therwise the...

Page 32: ...protection E5 During cooling and drying operation compressor and outdoor fan stop while indoor fan operates During heating operation all loads stop 1 Supply voltage is unstable 2 Supply voltage is to...

Page 33: ...nt temperature sensor is open short circuited F3 During cooling and drying operating compressor stops while indoor fan operates During heating operation the complete unit will stop operation Outdoor t...

Page 34: ...rd XT if the voltage is higher than 265VAC turn on the unit after the supply voltage is increased to the normal range 2 If the AC input is normal measure the voltage of electrolytic capacitor C on con...

Page 35: ...ng operation compressor will stop while indoor fan will operate During heating operation the complete unit will stop Replace outdoor control panel AP1 30 Module high temperature protection P8 During c...

Page 36: ...ection HC During cooling and drying operation compressor will stop while indoor fan will operate During heating operation the complete unit will stop operation Refer to the malfunction analysis 36 Out...

Page 37: ...essor will stop while indoor fan will operate During heating operating the complete unit will stop operation Theres circuit malfunction on outdoor units control panel AP1 please replace the outdoor un...

Page 38: ...36 Installation and Maintenance Service Manual If malfunction occurs corresponding code will display and the unit will resume normal until protection or malfunction disappears...

Page 39: ...ossible causes insufficient or too much refrigrant blockage of capillary and increase of suction temp improper running of compressor burning in or stuck of bearing damage of discharge valve malfunctio...

Page 40: ...ainboard broken Malfunction diagnosis process Is the wiring terminal between the temperature sensor and the controller loosened or poorly contacted Start Insert the temperature sensor tightly Yes Yes...

Page 41: ...on is eliminated Reinsert the wiring terminal of indoor fan It s the malfunction of main board Replace a new main board that is of the same model It s the malfunction of main board Replace a new main...

Page 42: ...oard isdefined abnormal Malfunction diagnosis process Start Is there jumper cap on the mainboard Is the jumper cap inserted correctly and tightly Replace the jumper cap with the same model Appearance...

Page 43: ...s correct Whether the voltage of liquid level switch terminal is correct Replace the main board of indoor unit Replace the main board of indoor unit Check the wiring of drain pump Adjust the drain pip...

Page 44: ...d for details Malfunction of compressor Compressor cant operate Refer to point 5 of maintenance method for details 11 3 Maintenance Method for Normal Malfunction 1 Air Conditioner Cant be Started Up 2...

Page 45: ...pipe Replace drain pipe Wrapping is not tight Water leaking from the pipe connection place of indoor unit Wrap it again and bundle it tightly 5 Compressor Cant Operate Possible causes Discriminating m...

Page 46: ...vice Manual 12 Exploded View and Parts List AFH 09 DA D3DNA1A I AFH 12 DA D3DNA1A 16 12 8 6 3 1 5 13 26 27 18 9 11 14 19 15 29 24 23 22 4 2 7 10 21 17 20 28 The component picture is only for reference...

Page 47: ...80520027201 0180520027201 1 12 DC Motor 1570520000502 1570520000502 1 13 Propeller Housing Lower 26905200079 26905200079 1 14 Filter Sub Assy 111001000055 111001000055 1 15 Foam Sub assy 12505200038 1...

Page 48: ...Service Manual AFH 18 DB D3DNA1A I AWFH 21 DB D3DNA1A I AFH 24 DB D3DNA1A I 2 3 5 6 7 1 4 8 9 11 13 14 15 16 10 12 17 19 20 18 22 21 23 24 25 26 27 28 29 The component picture is only for reference pl...

Page 49: ...1495200079 01495200079 1 12 Water Level Switch 45020216 45020216 45020216 1 13 PUMP 43138000058 43138000058 43138000058 1 14 Left Side Plate Assy 01315200147 01315200147 01315200147 1 15 Electric Box...

Page 50: ...late Use a screwdriver to unscrew the seal plate and cover plate and then remove them 3 Remove the grille Use a screwdriver to unscrew the cover plate component 4 Remove the centrifugal fan Use a scre...

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