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Sinclair MS-E48AIN, Service Manual

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Sinclair MS-E48AIN Service Manual Download Page 36

 

2

 

FLOW CHART OF INSTALLATION 

Design kicking-off

Material selection

Inspection of site installation position

Installation of indoor unit

Installation of outdoor unit

Installation of BU module

Installation of 

remote 

controller

Connection of 

power cables

Installation of drainage pipes

Thermal insulation of connection pipes and drainage pipes

Installation of refrigerant pipes 

Connection of 

transmission 

line

Connection of 

power cables

Connection of 

transmission 

line

Assign the 

address

Vacuum the system through 

the gas and liquid valves

Open the valves

Refrigerant charging

Test run

As-bulit drawing

Delivery of the operating instructions

Installation of 

piping adapter

Connection of 

power cables

Leakage test 

Commissioning of complete unit

 

 

 

31 

Summary of Contents for MS-E48AIN

Page 1: ...HIGH POWER MULTI SYSTEM SERVICE MANUAL EN MS E48AIN MS E56AIN Outdoor unit ...

Page 2: ... Original instructions IMPORTANT NOTE Read this manual carefully before installing or operating your new air conditioning unit Make sure to save this manual for future reference ...

Page 3: ...ontroller 15 3 2 Wireless Remote Controller 20 4 Central Controller SCC 16 23 4 1 General Introduction 23 4 2 Communication Network 24 4 3 LCD 25 4 4 Buttons 25 INSTALLATION 27 1 PRECAUTIONS FOR INSTALLATION 27 1 1 Precautions for Installation 27 1 2 Key Points of Installation 29 Installation of the Outdoor Unit 35 3 9 Installation and Servicing Space 34 3 8 Outline Dimension of the Outdoor Unit 3...

Page 4: ... 4 Precautions of Electrical Wiring Work 51 6 5 Precaution of Laying Wires 52 6 6 Electrical Wiring Work for Outdoor Unit 52 6 7 Electrical Wiring Work for BU Module 53 6 8 Instructions for DIP Switch 55 6 9 Electrical Wiring Work for Indoor Unit 55 7 INSTALLATION OF DRAINAGE PIPELINE 56 Pressure Protection 66 Malfunction display Low 2 2 Pressure Protection 65 Malfunction display High 2 1 FLOW CHA...

Page 5: ... POWER DISTRIBUTION 70 3 1 Diagram of Power Distribution 70 3 2 Wiring diagram 71 4 THE RESISTANCES OF COMMON TEMPERATURE SENSORS 72 4 1 15 KΩ 72 4 2 20 KΩ 73 4 3 50 KΩ 74 5 DISASSEMBLY AND ASSEMBLY PROCEDURE OF MAIN PARTS 77 5 1 Outdoor Unit 77 PARTS GUIDE 82 ...

Page 6: ...earance Cooling kW Heating kW Ph V Hz MS E48AIN CN860W0250 14 0 16 0 R410A 3 380 415 50 MS E56AIN CN860W0260 16 0 18 0 1 2 DB Module Model Product code Number of connectable indoor units Refrigerant Power supply Appearance Min Max Ph V Hz DB3 16AF EN0130050 1 3 R410A 1 220 240 50 DB5 16AF LN01300220 1 5 1 ...

Page 7: ...upply 3Ph 380 415V 50Hz Dimensions H W D mm 1345 900 340 1345 900 340 Net weight Gross weight kg 116 125 116 125 Sound pressure level cooling heating dB A 58 58 Fan Refrigerant Refrigerant oil Compressor Piping connections Piping length Height Type Axial flow Air Flow Volume m3 h 7000 7000 Name R410A Charge kg 4 95 4 95 Control Electronic expansion valve Type FV50S FV50S Charge L 1 35 1 35 Type In...

Page 8: ...The rated heating capacity data is measured under the following work condition Indoor Temperature is 20 DB Outdoor Temperature is 7 DB 6 WB b The data will change with the change of products Refer to those parameters listed on nameplate c Noise was tested in semi silenced room so the actual noise value will be a little higher for change of ambient 3 ...

Page 9: ... capacity data is measured under the following work condition Indoor Temperature is 27 DB 19 WB Outdoor Temperature is 35 DB The rated heating capacity data is measured under the following work condition Indoor Temperature is 20 DB Outdoor Temperature is 7 DB 6 WB b The data will change with the change of products Refer to those parameters listed on nameplate c Noise was tested in semi silenced ro...

Page 10: ...re of the refrigerant liquid will further decrease and then go the main valve After that it will be divided and go to the heat exchanger of each indoor unit to exchange heat with the air which needs to be conditioned Consequently the refrigerant liquid become low temperature low pressure refrigerant gas again Such a refrigeration cycle goes round and round to achieve the desired refrigeration purp...

Page 11: ...CONTROL 1 OPERATION FLOWCHART 6 ...

Page 12: ...ver Cooling Operation Is the process of preventing restart operation 3 minutes Fan Motor Operation Temperature Adjustment Electronic Expansion Valve Capacity Conctrol Fan Motor Stop Electronic Expansion Valve Stop Stop Yes No No Yes Yes No Go to the previous page 7 ...

Page 13: ...1 2 Heating Operation 8 ...

Page 14: ...er starting and then it will run in set speed The fan shall run at every speed for at least 80s When the quantity of indoor unit changes the control part will adjust the outdoor fan according to the quantity of indoor unit and outdoor temperature when the compressor stops the outdoor fan runs at present speed and stops after 1 min 2 1 2 Dry Mode 1 The dry conditions and process are the same as tho...

Page 15: ...unit is the basic mode when compare the mode of the other indoor units to see if there is a conflict Cooling mode dry mode is in conflict with heating mode 2 Fan mode is in conflict with heating mode and the heating mode is the basic mode No matter which indoor unit operates first the unit will run in heating mode 2 2 2 Overload Protection Function When the tube temperature is a little low the com...

Page 16: ...he Operation a When it is detected continuously for three seconds that the low pressure protection is work then the whole unit should be shut off and a low pressure protection signal should be sent to the indoor unit b On condition that a low pressure protection error occurs and the whole unit has stopped for more than three minutes and it is detected continuously for six seconds that the low pres...

Page 17: ...k under the AUTO or DRY mode will shift to the FAN mode while the unit which starts to work under other mode will keep the current running mode 2 4 3 Other Control 1 Beeper Control When the controller is powered on or it receives a valid either press button signal or remote control signal the beeper will utter a warning tone 2 Auto Speed Control a Under the HEAT mode If the ambient temperature is ...

Page 18: ...speed with the swing function activated When the unit is on it will be turned off by pressing this button This button is unavailable to the floor ceiling unit 4 Sleep Under this mode the proper sleep curve will be adopted in accordance with different set temperatures Under the COOL mode or the DRY mode the temperature will go up by 1 after one hour and by another 1 after another hour after that th...

Page 19: ...displayed on the temperature area of the wired controller There are four kinds of codes which can be adjusted through the button The 03 is the default code The setting of the ambient temperature sensor of the wired controller should be memorized The Enter Cancel button shall be pressed to confirm and leave the setting If there is no response to the last button press within 20 seconds then the syst...

Page 20: ...g modes of the indoor unit Cooling Dry Fan Heating and Auto 4 Defrosting function for the outdoor unit 5 Gate control function this function is yet unavailable for this unit 6 Lock function 7 High middle low or auto fan speed of the indoor unit 8 Shield functions buttons temperature On Off Mode or Save is shielded or Save is shielded by the remote monitor 9 Turbo function 10 Memory function The in...

Page 21: ...ing temperature setting of the indoor unit range 16 30 Timer setting range 0 5 24 hr 6 3 Fan Setting of the high middle low auto fan speed 4 Mode Setting of the Cooling Heating Fan Dry mode of the indoor unit 5 Function Switchover among the functions of Swing Sleep Turbo Save E heater Blow Quiet etc 7 Timer Timer setting 8 On Off Turn on off the indoor unit 4 2 Mode Press them for 5s under off sta...

Page 22: ... 5 24hr Every press of or will make the set time increased or decreased by 0 5hr If either of them is pressed continuously the set time will increase decrease by 0 5hr every 0 5s 6 Swing Setting Swing On Press Function under on state of the unit to activate the swing function In this case it will blink After that press Enter cancel to make a confirmation Swing Off When the Swing function is on pre...

Page 23: ...ting mode this function will be turned on automatically Press Function in the Heating mode to enter the E heater setting interface and then press Enter cancel to cancel this function Press Function to enter the E heater setting interface if the E heater function is not activated and then press Enter Cancel to turn it on 10 Blow Setting Blow function After the unit is turned off the water in evapor...

Page 24: ...f the system the error code will be displayed on the LCD If multi errors occur at the same time their codes will be displayed circularly Note In event of any error please turn off the unit and contact the professionally skilled personnel Error Error Code High pressure protection E1 Low pressure protection E3 Discharge protection E4 Over current protection P5 Communication error E6 Indoor water ove...

Page 25: ... not adjustable 4 MODE Each time you press this button a mode is selected COOL DRY FAN and HEAT as the following Note Only for models with heating function After energization AUTO mode is defaulted In AUTO mode the set temperature will not be displayed on the LED of the indoor and the unit will automatically select the suitable operation mode in accordance with the room temperature to make indoor ...

Page 26: ...e maximal setting temperature is 30 then the unit will run at this setting temperature all along In Heat mode sleep status after run for one hour the setting temperature will decrease 1 after 2 hours the setting temperature will decrease 2 but the minimal setting temperature is 16 then the unit will run at this setting temperature Sleep 2 is sleep mode 2 that is air conditioner will run according ...

Page 27: ...ng status that will display the setting temperature 11 QUIET Press this button the Quiet status is under the Auto Quiet mode display signal and Quiet mode display signal and Quiet OFF there is no signal of displayed after powered on the Quiet OFF is defaulted Note the Quiet function cannot be set up in Fan and Dry mode Under the Quiet mode Display Under the Quiet mode Display signal the fan speed ...

Page 28: ... between and 3 Combination of TEMP and CLOCK buttons About Energy saving Function Press TEMP and CLOCK simultaneously in COOL mode to start energy saving function Nixie tube on the remote controller displays SE Repeat the operation to quit the function 4 Combination of TEMP and CLOCK buttons About 8 Heating Function Press TEMP and CLOCK simultaneously in HEAT mode to start 8 Heating Function Nixie...

Page 29: ... When some error occurs the error symbol and the error code will be displayed to warn a quick maintenance parameter setting of the current running mode set temperature fan speed weekly timer shielding function etc After the debugging to the controller is finished it can check the on line indoor units and display the e Clock it is intended to set and display the weekday hour and minute long distanc...

Page 30: ...e 01 16 and symbols of Celsius and Fahrenheit scale 7 Control mode It displays CENTER under the centralized control mode and no display under the single control mode 8 Ambient temperature Serial port It displays the ambient temperature serial port as well as symbols of Celsius and Fahrenheit scale 9 Indoor unit code on off status Numbers indicate the indoor unit codes which will be displayed when ...

Page 31: ...is used for the switchover between unit 3 and unit 11 Under the timing or clock setting status it indicates Wednesday 9 Thu 4 12 It is used for the switchover between unit 4 and unit 12 Under the timing or clock setting status it indicates Thursday 10 Fri 5 13 It is used for the switchover between unit 5 and unit 13 Under the timing or clock setting status it indicates Friday 11 Sat 6 14 It is use...

Page 32: ... measures it might cause human suffocation in case of refrigerant leakage Please install the unit on a solid place where is strong enough to support the weight of the unit Otherwise the unit would fall down and cause injury or death Please keep the room well ventilated and it could avoid oxygen deficit Electrical work should be carried out in accordance with the installation manual and the local l...

Page 33: ...ioner the power wire and transmission line must be more than one meter away from televisions or radios which can emit electromagnetic waves to prevent image interference or noise Otherwise the unit maybe cannot work The drain pipe should be installed as instructed in the manual to guarantee the proper drainage meanwhile it should be insulated to prevent condensing otherwise the improper installati...

Page 34: ...it have the same address dial code Remote Control Select the remote control mode The centralized controller and communication module shall be installed free from the source of interference Power cord The power cable must meet the specifications Drainage Pipe Installation The PVC pipes must meet the specifications A specific gradient must be provided along the water flow direction Carry out water d...

Page 35: ...outdoor connection pipe communication wires and power supply Leakage detection under pressure Keep the pressure for 24 hours Except for the influence by temperature it is deemed acceptable if pressure drop is within 0 02MPa With the temperature change by 1 the pressure will change by approx 0 01MPa Vacuuming Establish vacuum simultaneously in the gas pipe and liquid pipe The vacuuming time shall b...

Page 36: ...inage pipes Thermal insulation of connection pipes and drainage pipes Installation of refrigerant pipes Connection of transmission line Connection of power cables Connection of transmission line Assign the address Vacuum the system through the gas and liquid valves Open the valves Refrigerant charging Test run As bulit drawing Delivery of the operating instructions Installation of piping adapter C...

Page 37: ...produce toxic gas when the refrigerant contacts with the fire 3 2 Precaution for Installation The unit is so heavy that it is more than 110kg so more than two persons will be needed to remove the unit The package cannot bear it so do not grasping it When remove the units please place the hands on the corner and take care not to hurt the hands by the fins It is very likely to dispose the waste to t...

Page 38: ...nd regulations The quality of the installation will affect the capability of air conditioner directly The installation should be left to the appointed service center Please contact your dealer after purchasing this machine Professional installation workers will provide installation and test services according to the installation manual The air conditioner should not install in this place where the...

Page 39: ...g exists such as the sulphur spring A place where the high frequency facilities exist such as radio equipment electric welder and medical equipment An environment with special conditions 3 7 Outline Dimension of the Outdoor Unit 3 8 Installation and Servicing Space 1 When the place of the installation is exposed to strong wind When strong winds of 5 m sec or more exist in the place of the installa...

Page 40: ... holes in the installation location A The outlet side B Bottom view mm C Drain hole 3 Fix the unit securely with the foundation bolts You can get the M10 or M8 foundation bolts nuts and washers from the market 4 Rubber or spring shock absorbers should be used during the installation of the outdoor unit to meet the noise and vibration requirements 5 Screw the foundation bolts into the ground and it...

Page 41: ...DB module is for indoor use If installing in the outdoors the location must be away from wind and rain Otherwise it maybe causes water leakage electric shocks or fire etc The DB module must be installed on a firm and solid support which can withstand the weight of the module and the mounting surface must be horizontal plane The DB module can be chosen to install in the ceiling such as the ceiling ...

Page 42: ...equipment electric welder and medical equipment An environment with special conditions 4 4 Outline Dimension and Servicing Space of DB3 16AF 1 Outline dimension Sorts Indoor unit side mm Outdoor unit side mm Liquid pipe Φ6 35 Φ9 52 Gas pipe Φ9 52 Φ15 9 2 Installation and service space NO Name Servicing space Ceiling Electrical box side 4 5 Outline Dimension and Servicing Space of DB5 16AF 1 Outlin...

Page 43: ...Φ6 35 Φ9 52 Gas pipe Φ9 52 Φ15 9 2 Installation and service space NO Name Servicing space Ceiling Electrical box side 4 6 Installation Instruction 1 Check the installation location and ensure it is strength and level Otherwise there should be enough space to 38 ...

Page 44: ...er metal and drill 4 holes in the installation location 3 Hang the hanger bolts 4 Fix the modules securely with the hanger bolts You can get the M10 or M8 hanger bolts nuts and washers from the market 5 Adjusting the nuts position so that the DB module should be level in front back and left right 39 ...

Page 45: ...outdoor units and DB Between DB and DB modules Between indoor and indoor units H4 15 Minimum allowable length 5 Between outdoor and the 1st branch L1 Between DB and the branch L3 L4 L5 as possible as short DB module should be placed within the level between the outdoor unit and indoor unit 5 2 Dimension of Connecting Pipe Outdoor unit Sorts Gas Pipe mm Liquid Pipe mm MS E48AIN Φ15 9 Φ9 52 MS E56AI...

Page 46: ... from lower to upper on the vertical section of gas pipe The oil trap shall be fabricated into two U type elbows or one return type elbow The height shall be 3 5 times the piping diameter Follow below for details on installation and fabrication of oil trap The oil trap may be fabricated into U type or return type If outdoor unit is below indoor unit it is not needed to install oil trap on the vert...

Page 47: ... Outdoor unit higher than indoor unit DB DB DB DB 42 ...

Page 48: ...to go through the knockout holes 6 Cover the through holes with sealing materials to prevent the water dust or small animals going into the outdoor unit 5 6 Installation of Piping Adapter If the piping connection size of DB module does not match with that of the outdoor unit and indoor units it should prevail with the piping connection size of the outdoor unit and indoor units Install the optional...

Page 49: ...in the accessories 5 7 Precaution for Connection 5 7 1 Precaution for connection 1 Pipe connections should be follow the following rules Outdoor unit shall be installed close to the indoor unit hence to minimize the length and bends of connection pipes The height gap of outdoor unit and indoor units should be as small as possible 2 The brazing operation must be strictly in accordance with the proc...

Page 50: ...ase do not tighten it with spanners because the screw thread may be broken by force Tighten the flaring nuts with torque wrench until you hear a click The spanner and torque wrench should be perpendicular to the refrigerant pipeline The following table for the torque required to tighten the nuts Pipe diameter Thickness of copper tube Tightening torque Φ6 35 mm 0 8 mm 15 30 N m Φ9 52 mm 0 8 mm 35 4...

Page 51: ... vacuum gauge 5 Hi knob 6 Lo knob 7 Pressure reducing valve 8 Nitrogen 5 9 Vacuum Operation 1 Make sure that the liquid and gas stop valve of the outdoor unit are closed fully during the operation 2 As shown in the following figure expel the gas from the refrigerant pipes by the vacuum pump 3 Open the pump and turn on the knobs to evacuate the gas in the liquid and gas pipes The vacuuming should b...

Page 52: ... the liquid pipe used on the field Record the additional refrigerant charge for future maintenance It does not need to add refrigerant if the total length of liquid pipe is within 30m 2 Calculating the Mass of Additional Refrigerant Additional Refrigerant Charge kg Σ the Liquid Pipe Length of Φ6 35 0 022kg m Σ the Liquid Pipe Length of Φ9 52 0 054kg m 1 47 kg If the additional refrigerant charge i...

Page 53: ...ely Turn off the R410A tank and the Hi knob immediately when the adding refrigerant is enough Turn on the liquid and gas side stop valves in an anticlockwise direction slowly and completely 2 If the pressure of the system is too high to charge refrigerant you can do as follow Turn on the liquid and gas side stop valves in an anticlockwise direction slowly and completely Turn on the power of the ai...

Page 54: ...pe is exactly Additional refrigerant charge must be measured exactly Make sure that the refrigerant which charge into the unit is in liquid state Please prevent the refrigerant leakage from your body when remove the charging hose Please heat the refrigerant tank with hot water or hot air when the outside temperature is too low However it must be forbidden to heat with fire directly otherwise it ma...

Page 55: ...6 Electrical Wiring Work 6 1 Wiring Connection Precept 1 Precept 2 DB DB DB DB DB DB DB DB DB DB DB DB DB DB DB DB DB 50 ...

Page 56: ...of the air switch listed in the table above are applied to the breaker with the working temperature at 40 If the working condition changes they should be modified according to the related national standard The length of the recommended power cable should be less than 15 meters otherwise the diameter of the power cable is not enough Mentioned power cable and transmission line length is just a refer...

Page 57: ... a wire stripper to strip off a length of the insulation layer at the end of the wires 2 Loosen the screws on the terminal block of the air conditioner 3 Press the ends of the cable tightly onto the round terminals corresponding to the size of the screws 4 Pass the screw through the round terminals and fix it onto the terminal block 6 6 Electrical Wiring Work for Outdoor Unit 1 Knock the holes in ...

Page 58: ...f the connecting wire is connected to the terminal incorrectly the unit will not work normally 6 7 Electrical Wiring Work for DB Module 1 Unscrew the electrical equipment plate 2 The structure of behind the electrical equipment plate a DB3 16AF b DB5 16AF NO 1 2 3 Name Printed circuit board DIP switch Terminal black for indoor unit power supply NO 4 5 6 Name Ground screw Terminal black for transmi...

Page 59: ...nals with the sign of DB module 8 Connect the power cable of the indoor unit to the N 1 2 and 3 terminals with the sign of Indoor unit A B C D and E and as well as the ground screw 9 Fix the power cable and transmission line firmly by cable fixing clip 10 Screw the electrical equipment plate Caution The transmission line and the power cable must be separated and separated with an interval of at le...

Page 60: ...ower connection cord from the back of the indoor unit and pull it toward the front through the wiring hole upward 4 Connect the wiring communication through the piping hole of the chassis and the bottom of the appliance upward then connect the brown wire to the Terminal board 3 black wire the communication wire to the Terminal board 2 blue wire to the Terminal board N 1 and connect the ground wire...

Page 61: ...justable and fixed from the outer of thermal insulation 3 The gradient of condensate pipe shall be over 1 and the gradient of main pipe shall not be less than 0 3 while there shall be no overhanging slope 4 When connecting the 3 way section of condensate pipe the 2 way straight section on 3 way pipe shall be on the same gradient The two ends of 2 way section shall not have different gradient See t...

Page 62: ...using special glue and then wrapped with plastic tape having a width not less than 5cm to avoid condensing 11 Ensure a gradient over 1 when connecting the drainage pipe to the indoor unit 12 When connecting the drainage pipe to the indoor unit please fix with the included pipe clamp and do not use glue water thus to ensure easy repair 13 Installation requirements for auxiliary drainage pipe The au...

Page 63: ...water trap shall be designed on the drainage side of each indoor unit Install water trap as shown below Install one water trap for each unit Installation of water trap shall consider easy cleaning in the future 16 Connection of drainage branch pipe to the standpipe or horizontal pipe of drainage main pipe The horizontal pipe cannot be connected to the vertical pipe at a same height It can be conne...

Page 64: ...oisture in the air will condense on the surface of evaporator Such condensing water must be drained out of the unit Meanwhile the drainage pipe has an important role to determine if the air conditioner can plays its full functions 17 All the condensate pipes must be installed at a distance over 500mm from the electric box of the unit 59 ...

Page 65: ...them from the drain pipe to prevent the condensate water overflowing 5 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 6 At intervals of about 1 meter fix the refrigerant pipes to the wall with brackets that is don t let the unit withstand the weight of it or float it in the a...

Page 66: ...he batteries voltage of the remote controller is insufficient Replace with new batteries Remote controller is out of the control scope The distance shall be within 8m The unit stops soon after it starts Air inlet or outlet of indoor unit or outdoor unit is blocked Remove the obstacles Cooling or heating is abnormal Air inlet or outlet of indoor unit or outdoor unit is blocked Remove the obstacles ...

Page 67: ...he unit restarts after it is not used for a long time The dust inside the unit is blown out again The unit emits odors When the unit is running The odors absorbed in are blown out 1 3 Error description Outdoor unit If some error occurs when the unit is running the error code will be displayed on the wired controller Check for more details about the meaning of each error Errors of definition Main c...

Page 68: ...error Flash 16 times A7 Sub cool temperature sensor error Flash 17 times Low pressure sensor error Flash 18 times High pressure sensor error Flash 19 times Fan motor error for indoor unit Flash 20 times H6 Driving board is connected Flash 1 time Testing board is connected Flash 2 times Computer is connected Flash 4 times Indoor unit 1 is connected Flash 5 times Indoor unit 2 is connected Flash 6 t...

Page 69: ...imes b5 b5 indoor unit address Indoor unit D gas tube temperature sensor error Flash 7 time b7 b7 indoor unit address Indoor unit D liquid tube temperature sensor error Flash 8 times b5 b5 indoor unit address Indoor unit E gas tube temperature sensor error Flash 9 time b7 b7 indoor unit address Indoor unit E liquid tube temperature sensor error Flash 10 times b5 b5 indoor unit address 2 FLOW CHART...

Page 70: ...Malfunction display High Pressure Protection 2 1 65 ...

Page 71: ...Measure swing motor and signal input Measure the fan motor and signal input Remove the barrier Close the panel Completely open the valve Refer to Instruction Manual of indoor unit Yes No Check refrigerant in the system is it sufficient Mainly check the inlet and outlet of main pipe connecting with each indoor unit and capillary of indoor and outdoor units Replace the parts like filter capillary an...

Page 72: ... the compressor reduces its capacity Check the capacity demand of indoor units is it in the range of outdoor unit capacty Yes Replace relevant electronic expansion valve Replace the oudoor unit mainboard Refer to the dial up of indoor and outdoor unit No Yes Yes Yes Yes No No No No 2 4 Malfunction display Current protection Current protection Check the wiring of the compressor is it properly conne...

Page 73: ...s it turn on Check the orientation of plug and socet Replace the transimission line Turn on the power Yes No Are the address of DB modules in the same system repeated Yes Check the orientation of plug and socet Change the repeated address codes Is there any equipment which can emit electromagnetic waves near the unit Remove the equipments 1 meter away from the unit The transimission line is too lo...

Page 74: ...witch Check the Voltage of water drainage pump is it ok Replace the mainboard of the indoor unit Yes Yes No No 2 7 Malfunction display Temperature sensor error The resistance value of discharge temperature sensor is 50 KΩ The resistance value of outside temperature sensor and inside temperature sensor are all 15 KΩ The others are 20 KΩ Temperature sensor error The plug on temperature sensor is cor...

Page 75: ... it Measure the DC voltage value between black line and green line of the sensor is it OK 0 5 4 5V Replace the mainboard of outdoor unit Check the orientation of plug and socket Replace the pressure sensor Yes No Yes No 3 POWER DISTRIBUTION 3 1 Diagram of Power Distribution The thick line represents power line while thin line represents the control line 70 ...

Page 76: ...N 3 2 Wiring diagram Note This drawing is just for reference please always refer to the electric wiring stuck to the unit for actual wiring 3 2 1 Outdoor unit MS E56AIN MS E48AIN 71 ...

Page 77: ...1 35 9 779 3 027 1 998 4 60 230 0 997 0 658 36 9 382 3 076 2 030 3 57 180 1 039 0 686 37 9 003 3 125 2 062 2 54 310 1 082 0 714 38 8 642 3 172 2 094 1 51 590 1 126 0 743 39 8 297 3 219 2 125 0 49 020 1 172 0 773 41 7 653 3 311 2 185 1 46 800 1 214 0 801 42 7 352 3 355 2 215 2 44 310 1 265 0 835 43 7 065 3 399 2 243 3 42 140 1 313 0 866 44 6 791 3 442 2 272 4 40 090 1 361 0 899 45 6 529 3 484 2 299...

Page 78: ...273 10 39 87 1 670 1 102 21 208 9 0 437 0 288 11 38 01 1 724 1 138 20 196 9 0 461 0 304 12 36 24 1 778 1 174 19 181 4 0 497 0 328 13 34 57 1 833 1 209 18 171 4 0 522 0 345 14 32 98 1 888 1 246 17 162 1 0 549 0 362 15 31 47 1 943 1 282 16 153 3 0 577 0 381 16 30 04 1 998 1 319 15 145 0 606 0 400 17 28 68 2 054 1 356 14 137 2 0 636 0 420 18 27 39 2 110 1 393 13 129 9 0 667 0 440 19 26 17 2 166 1 429...

Page 79: ...71 3 364 4 280 2 825 51 6 905 3 717 2 453 72 3 252 4 301 2 838 52 6 648 3 753 2 477 73 3 144 4 321 2 852 53 6 403 3 787 2 500 74 3 04 4 340 2 865 54 6 167 3 822 2 522 75 2 94 4 359 2 877 4 3 50 KΩ Temp Resistance kΩ Voltage 15K 5V Voltage 15K 3 3V Temp Resistance kΩ Voltage 15K 5V Voltage 15K 3 3V 30 911 56 0 054 0 036 14 342 83 0 142 0 094 29 853 66 0 058 0 038 13 323 94 0 150 0 099 28 799 98 0 0...

Page 80: ...8 0 700 0 462 63 10 925 2 389 1 577 21 58 766 0 727 0 480 64 10 544 2 434 1 606 22 56 189 0 755 0 499 65 10 178 2 478 1 635 23 53 738 0 784 0 518 66 9 8269 2 522 1 664 24 51 408 0 814 0 537 67 9 4896 2 565 1 693 25 49 191 0 845 0 558 68 9 1655 2 609 1 722 26 47 082 0 876 0 578 69 8 9542 2 638 1 741 27 45 074 0 908 0 599 70 8 5551 2 695 1 778 28 43 163 0 941 0 621 71 8 2676 2 737 1 806 29 41 313 0 ...

Page 81: ... 117 2 0686 4 143 2 734 96 3 7283 3 642 2 404 118 2 0148 4 162 2 747 97 3 6194 3 671 2 423 119 1 9626 4 180 2 759 98 3 5143 3 700 2 442 120 1 9123 4 197 2 770 99 3 4128 3 728 2 460 121 1 8652 4 214 2 781 100 3 3147 3 755 2 478 122 1 8158 4 232 2 793 101 3 22 3 782 2 496 123 1 7698 4 248 2 804 102 3 1285 3 809 2 514 124 1 7253 4 264 2 814 103 3 0401 3 834 2 531 125 1 6821 4 280 2 825 104 2 9547 3 8...

Page 82: ... supply is cut off Steps Illustrations Operation Instructions 1 Disconnect the coping plate a Unscrew the fixed screws of the coping plate b Remove the coping plate 2 Disconnect the front side plate a Unscrew the fixed screw of the front side plate b Remove the front side plate 3 Disconnect the outer case a Unscrew the fixed screws of the outer case b Remove the outer case 77 ...

Page 83: ... the pipeline and the power supply is cut off Steps Illustrations Operation Instructions 1 Remove the power code of the compressor a Unscrew the fixed screws of power code b Remove the power code Note when removing the power cord please label the power cord and the terminals to avoid misconnecting next time 2 Remove the connecting pipe of the compressor a Solder the joint of connecting pipe of the...

Page 84: ... the compressor base 4 Remove the compressor away from the seating Remove and replace the compressor Note never let the flame contact any other component during the replacement 5 Fix the new compressor on the seating Tighten the screws on the seating of the new compressor 79 ...

Page 85: ...ct the power cords a Tighten the fixing screw of the power cord b Connect the power cord Note mark the color of the power cord and corresponding terminal 8 Put back the electric heating belt and the discharge temperature sensor etc 9 Check and screw back the plates a Check if the pipe is well connected b Check if the parts and wire well connected c If there is no problem fix the cover 80 ...

Page 86: ...a Unscrew the fixed screws of the magnet coil b Remove the magnet coil 2 Disconnect the 4 way valve and the connecting pipe Solder off the connecting pipes Note never let the flame contact any other component 3 Replace the new 4 way valve Install the new 4 way valve 4 Solder the new 4 way valve and install the magnet coil Solder the connecting pipes Note To avoid heat damage the internal structure...

Page 87: ...PARTS GUIDE MS E48AIN MS E56AIN DB2 19SB DB3 19SB DB5 16AF HIGH POWER MULTI SYSTEM ...

Page 88: ...Exploded view of unitMS E48AIN ...

Page 89: ...Front Connection Board 01344100002P 1 23 Cut off Valve 07334100016 1 24 Cut off Valve 07330000002 1 25 Strainer 07212001 2 26 Cut off Valve Sub Assy 07304100011 1 27 Pressure Protect Switch 4602000902 1 28 Chassis Sub Assy 000191000006 1 29 Magnet Coil 4304000415 1 30 Sensor High Pressure 322101032 1 31 4 way Valve 43000338 1 32 4 Way Valve Assy 030152000141 1 33 Magnet Coil 4300040029 1 34 Compre...

Page 90: ...0252 2 54 Retaining Support Radiator 200115000004 1 55 Inductance Sub Assy none 0 56 Reactor 43130192 3 57 Main Board 300027000010 1 58 Main Board 300027000013 1 59 Retaining Support Driving Board 200115000005 1 60 Testing Board 20017700007 1 61 Filter Board 300020000005 1 62 Terminal Board 42018000577 1 63 Terminal Board 42010274 1 64 Inductance 43128000014 1 The data are subject to change withou...

Page 91: ...Exploded view of unitMS E56AIN ...

Page 92: ...Front Connection Board 01344100002P 1 23 Cut off Valve 07330000001 1 24 Cut off Valve 07330000002 1 25 Strainer 07212001 2 26 Cut off Valve Sub Assy 07304100011 1 27 Pressure Protect Switch 4602000902 1 28 Chassis Sub Assy 000191000006 1 29 Magnet Coil 4304000415 1 30 Sensor High Pressure 322101032 1 31 4 way Valve 43000338 1 32 4 Way Valve Assy 030152000140 1 33 Magnet Coil 4300040029 1 34 Compre...

Page 93: ...0252 2 54 Retaining Support Radiator 200115000004 1 55 Inductance Sub Assy none 0 56 Reactor 43130192 3 57 Main Board 300027000010 1 58 Main Board 300027000011 1 59 Retaining Support Driving Board 200115000005 1 60 Testing Board 20017700007 1 61 Filter Board 300020000005 1 62 Terminal Board 42018000577 1 63 Terminal Board 42010274 1 64 Inductance 43128000014 1 The data are subject to change withou...

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Page 98: ...Exploded view of distribution box DB5 16AF ...

Page 99: ...n Pipe 76815214 1 21 Top Cover 01264100016P 1 22 Foam 12504100004 1 23 Divergence Gas Assy 04574100033H 1 24 Insulated pipe 75094100005 1 25 Insulated pipe 75094100006 5 26 Divergence Liquid Assy 04224100290H 1 27 Insulated pipe 75094100004 5 28 Tempreture Sensor clamp 02143022 5 29 Insulated pipe 75094100003 1 30 Electric Expand Valve Fitting 4304413208 1 31 Sensor Sub assy 39008000044G 1 32 Term...

Page 100: ... unit is containing fluorinated gases included in the Kyoto protocol The maintenance and the liquidation must be carried out by qualified personnel Type of refrigerant R410A The composition of the cooling medium R410A 50 HFC 32 50 HFC 125 The quantity of the refrigerant please see the unit label The value GWP 2088 1 kg R410A 2 088 t CO2 eq GWP Global Warming Potential In case of quality problem or...

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