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Additional Refrigerant Charge 

MLCAC-UTSM-2010-10 

100 

Installation 

3.  Additional Refrigerant Charge   

Caution

 

a) 

Refrigerant cannot be charged until field wiring has been completed.

 

b)  Refrigerant may only be charged after performing the leak test and the vacuum pumping. 
c)  When charging a system, care shall be taken that its maximum permissible charge is never exceeded, 

in view of the danger of liquid hammer. 

d)  Charging with an unsuitable substance may cause explosions and accidents, so always ensure that the 

appropriate refrigerant is charged. 

e)  Refrigerant containers shall be opened slowly.   
f)  Always use protective gloves and protect your eyes when charging refrigerant. 
The outdoor unit is factory charged with refrigerant. Calculate the added refrigerant according to the 
diameter and the length of the liquid side pipe of the outdoor unit/indoor unit. 

R(g)            D(mm) 
 
L(m) 

φ

6.4 

Φ

9.5 

Φ

12.7 

Less than 5m (One-way) 

— 

— 

— 

Added Refrigerant When 
Over 5m(One-way) 

11g/m×(L-5) 30g/m×(L-5) 

60g/m×(L-5) 

Remark: 

R (g): Additional refrigerant to be charged 
L (m): The length of the refrigerant pipe (one-way)

 

D (mm): Liquid side piping diameter

Содержание MLCAC-UTSM-2010-10

Страница 1: ...MIDEA LCAC 50Hz R410A DC Inverter Service Manual 2011 ...

Страница 2: ......

Страница 3: ...s i Part 1 General Information 1 Part 2 Indoor Units 6 Part 3 Outdoor Units 67 Part 4 Installation 96 Part 5 Control 107 The specifications designs and information in this book are subject to change without notice for product improvement ...

Страница 4: ......

Страница 5: ...M 2010 10 General Information General Information 1 Part 1 General Information 1 Model Names of Indoor Outdoor Units 2 2 External Appearance 3 2 1 Indoor Units 3 2 2 Outdoor Units 3 3 Nomenclature 4 4 Features 5 ...

Страница 6: ...loor Cooling and heating 1 2 Outdoor Units Model of outdoor unit and corresponding indoor unit Universal Outdoor unit Model Compressor type Compressor Brand Matched indoor units MOUB 36HDN1 Q Rotary DC Inverter GUANGZHOU MITSUBISHI MTB 36HWDN1 MUB 36HRDN1 MCC 36HRDN1 MOUB 36HDN1 R Rotary DC Inverter GUANGZHOU MITSUBISHI MOU 48HDN1 Rotary DC Inverter GUANGZHOU MITSUBISHI MTB 48HWDN1 MUB 48HRDN1 MCC...

Страница 7: ...CAC UTSM 2010 10 External Appearance General Information 3 External Appearance 2 1 Indoor Units Duct Ceiling Floor Four way Cassette 2 2 Outdoor Units MOUB 36HDN1 R MOUB 36HDN1 Q MOU 48HDN1 MOUB 48HDN1 R ...

Страница 8: ... Time Design C Third Time Design Product Category C Cassette Type T Duct Type U Ceiling Floor Type H High Static Pressure Duct Type Midea 3 2 Outdoor Unit M O U D 60 H D N1 R Power Supply R 380 415V 3N 50Hz 220 240V 1N 50Hz Refrigerant N1 R410A DC Inverter Function Code C cooling only H cooling heating Capacity Á 1000Btu h Product Series A Time A Designed B Time B Designed C Time C Designed D Time...

Страница 9: ... small starting current 4 4 Intelligent refrigerant adjustment technology Throttle part is made up of capillary and electronic expansion valve EXV The outdoor unit can output the most accurate capacity in any condition 4 5 Working in cooling mode under 15 Outdoor unit built in with low ambient kit it can control the outdoor unit s fan and cooling can be performed throughout the year for computer r...

Страница 10: ...Indoor Units MLCAC UTSM 2010 06 6 Indoor Units Part 2 Indoor Units Four way Cassette Type 7 Duct Type 20 Ceiling Floor Type 31 ...

Страница 11: ...Type 7 Four way Cassette Type 1 Features 8 2 Dimensions 11 3 Service Space 12 4 Wiring Diagrams 13 5 Air Velocity and Temperature Distributions 14 6 Electric Characteristics 15 7 Sound Levels 15 8 Accessories 16 9 The Specification of Power 17 10 Field Wiring 18 ...

Страница 12: ... evaporator sufficient airflow volume guarantees the excellent capacity 4 The adoption of the most advanced 3 Dimensional Screw fan Reduces the air resistance passing through Smoothes the air flow Makes air speed distribution to the heat exchange uniform 5 Fresh air makes life healthier and more comfortable 6 Drainage pump can take up the condenser water to 750mm 7 Ultra thin machine body to easy ...

Страница 13: ...ed can acquire high heat exchanger effect 10 More strengthening rib design around the panel preventing the distortion for the panel 11 New outlet frame design to make the phenomena of coagulation great improvement prevent the condensing water from damaging the air guide strip 12 Adding rib on the panel of fan outlet which can avoid the air outlet direct flow to people 13 4 speeds available optiona...

Страница 14: ...necting pipe and drop height is higher Max pipe length up to 50m refer to and Max drop height up to 30m refer to 17 Optimal design smaller Control Box Space saving and convenient for wiring Using fire resistance galvanized steel for E box material Metal box make the control part more stable and prevent damaging 18 360 air flow panel 360 air flow delivery ensures uniform airflow distribution option...

Страница 15: ...MLCAC UTSM 2010 10 Dimensions Four way Cassette Type 11 2 Dimensions Unit mm MODEL Btu h A B C H 36000 300 Ф15 9 Ф9 5 330 48000 300 Ф15 9 Ф9 5 330 ...

Страница 16: ...Service Space MLCAC UTSM 2010 10 12 Four way Cassette Type 3 Service Space ...

Страница 17: ...MLCAC UTSM 2010 10 Wiring Diagrams Four way Cassette Type 13 4 Wiring Diagrams MCC 36HRDN1 MCC 48HRDN1 ...

Страница 18: ...y Electronic expansionvalve Oil separator Compressor Lowpressure switch Oil return Capillary Highpressureswitch Lowpressureliquid accumulator Evaporator Capillary Outdoor unit Indoorunit 4 wayvalve Condenser T5 Dischargetemp sensor Filter Filter Condensertemp sensor T3 T4 Ambienttemp sensor Filter Filter T2 Evaporatortemp sensor Roomtemp sensor T1 ...

Страница 19: ...e 15 6 Electric Characteristics Model Indoor Unit Power Supply Hz Voltage Min Max MFA MCC 36HRDN1 50 220 240 198 254 15 MCC 48HRDN1 50 220 240 198 254 15 Remark MFA Max Fuse Amps A 7 Sound Levels Model Noise level dB A H M L MCC 36HRDN1 44 42 41 MCC 48HRDN1 44 42 41 ...

Страница 20: ...ainpipe Fittings Out let pipe sheath 1 Out let pipe clasp 1 Drain joint 1 Seal ring 1 Remote controller Its Frame Remote controller Its Frame 1 Remote controller holder 1 Mounting screw ST2 9 10 C H 2 Alkaline dry batteries AM4 2 Others Owner s manual 1 Installation manual 1 Installation accessory The product you have might not be provided the following accessories Expansible hook 4 Installation h...

Страница 21: ...MLCAC UTSM 2010 10 The Specification of Power Four way Cassette Type 17 9 The Specification of Power ...

Страница 22: ...Field Wiring MLCAC UTSM 2010 10 18 Four way Cassette Type 10 Field Wiring Wiring chart ...

Страница 23: ...MLCAC UTSM 2010 10 Field Wiring Four way Cassette Type 19 ...

Страница 24: ... 20 Duct Type Duct Type 1 Features 21 2 Dimensions 22 3 Service Space 23 4 Wiring Diagrams 24 5 Static Pressure 25 6 Electric Characteristics 25 7 Sound Levels 26 8 Accessories 27 9 The Specification of Power 28 10 Field Wiring 29 ...

Страница 25: ... Features Duct Type 21 1 Features New structure design Built in drainage pump Optical Two air intake ways from below or rear standard Wire controller is standard Three speeds indoor unit Fresh air inlet hole is reserved ...

Страница 26: ...KBtu Outline dimension mm Air outlet o pening size Air return opening size Size of outline dimension mounted plug A B C D E F G H I J K L M MTB 36HWDN1 1140 270 775 710 65 933 35 179 1035 260 20 1180 490 MTB 48HWDN1 1200 300 865 800 80 968 40 204 1094 288 45 1240 500 ...

Страница 27: ...TSM 2010 10 Service Space Duct Type 23 3 Service Space Ensure enough space required for installation and maintenance All the indoor units reserve the hole to joint the fresh air pipe The hole size as following ...

Страница 28: ...E F OR C OMM BUS WIR E 202070390385 P3 BLACK CH Ｈ H P2 CH P3 HIGH FAN SUPER HIGH FAN 9 8 7 5 14000W 10500W 9000W 7100W ENC1 4 5600W 5300W CN9 TO OUTDOOR COMM BUS TO CCM COMM BUS S2 S1 S1 S2 CN1 X Y E P Q E ALARM BLACK BLACK 2 3 CN 3 3 C N BLUE ENC2 SW1 ENC1 S3 16000W XP4 X S4 SW1 WHITE SWITCH of the different units respectively FOR INDOOR UNIT ADDRESS 0 F of the ENC2 and ON OFF of the Sw1 mean the...

Страница 29: ... speed Mid speed 1200 1800 2000 Super high speed Pa 3100 2800 1900 1600 Low speed 10 20 30 40 50 60 70 80 90 1000 Air volume m h 3 External static pressure Pa High speed Mid speed 1300 2200 2500 Pa 100 Super high speed 110 120 6 Electric Characteristics Model Indoor Unit Power Supply Hz Voltage Min Max MFA MTB 36HWDN1 50 220 240 207 253 15 MTB 48HWDN1 50 220 240 207 253 15 Remark MFA Max Fuse Amps...

Страница 30: ...Sound Levels MLCAC UTSM 2010 10 26 Duct Type 7 Sound Levels Suction Discharge Microphone 1 4m Concealed Duct Type Duct Duct Model Noise level dB A H M L MTB 36HWDN1 46 44 42 MTB 48HWDN1 47 45 43 ...

Страница 31: ...s for cooling heating Drain joint 1 Seal ring 1 Remote controller Its Frame Remote controller 1 Frame 1 Mounting screw ST2 9 10 C H 2 Alkaline dry batteries AM4 2 Remote controller manual 1 Wired controller Its Frame Wired controller 1 Others Owner s manual 1 Installation manual 1 EMS It s fitting Magnetic ring twist the electric wires L and N around it to five circles 1 ...

Страница 32: ...The Specification of Power MLCAC UTSM 2010 10 28 Duct Type 9 The Specification of Power ...

Страница 33: ...MLCAC UTSM 2010 10 Field Wiring Duct Type 29 10 Field Wiring ...

Страница 34: ...Field Wiring MLCAC UTSM 2010 10 30 Duct Type Air conditioner link circuit ...

Страница 35: ...e 31 Ceiling Floor Type 1 Features 32 2 Dimensions 56 3 Service Space 58 4 Wiring Diagrams 59 5 Air Velocity and Temperature Distributions 60 6 Electric Characteristics 62 7 Sound Levels 62 8 Accessories 63 9 The Specification of Power 64 10 Field Wiring 65 ...

Страница 36: ...le air flow Air flow directional control minimizes the air resistance and produces wilder air flow to vertical direction The range of horizontal air discharge is widened which secures wider air flow distribution to provide more comfortable air circulation no matter where the unit is set up 1 4 Three level fan speed more humanism design meets different air supply requirement 1 5 Water proof by util...

Страница 37: ......

Страница 38: ...Dimensions MLCAC UTSM 2010 10 56 Ceiling Floor Type 2 Dimensions a Wall mounting installation b Ceiling installation ...

Страница 39: ...MLCAC UTSM 2010 10 Dimensions Ceiling Floor Type 57 Capacity Btu h A B C D E F G H MUB 36HRDN1 1280 660 206 795 506 1195 200 203 MUB 48HRDN1 1670 680 244 1070 450 1542 200 240 ...

Страница 40: ...Service Space MLCAC UTSM 2010 10 58 Ceiling Floor Type 3 Service Space ...

Страница 41: ...MLCAC UTSM 2010 10 Wiring Diagrams Ceiling Floor Type 59 4 Wiring Diagrams MUB 36HRDN1 MUB 48HRDN1 ...

Страница 42: ...elocity Electronic expansion valve Oil separator Compressor Low pressure switch Oil return Capillary High pressure switch Low pressure liquid accumulator Evaporator Capillary Outdoor unit Indoor unit 4 way valve Condenser T5 Discharge temp sensor Filter Filter Condenser temp sensor T3 T4 Ambient temp sensor Filter Filter T2 Evaporator temp sensor Roomtemp sensor T1 ...

Страница 43: ...MLCAC UTSM 2010 10 Air Velocity and Temperature Distributions Ceiling Floor Type 61 Discharge angle 60 FLOOR Airflow velocity Temperature ...

Страница 44: ...ectric Characteristics Model Indoor Unit Power Supply Hz Voltage Min Max MFA MUB 36HRDN1 50 220 240 198 254 15 MUB 48HRDN1 50 220 240 198 254 15 Remark MFA Max Fuse Amps A 7 Sound Levels Ceiling Floor Model Noise level dB A H M L MUB 36HRDN1 45 43 40 MUB 48HRDN1 47 46 44 ...

Страница 45: ...on fittings Name Shape Quantity 1 Hook 2 2 Hanging arm 2 Remote controller Its holder 3 Remote controller 1 4 Remote controller holder 1 5 Mounting screw ST2 9 10 C H 2 6 Alkaline dry batteries AM4 2 Others 7 Owner s manual 1 8 Installation manual 1 9 Remote controller manual 1 ...

Страница 46: ...The Specification of Power MLCAC UTSM 2010 10 64 Ceiling Floor Type 9 The Specification of Power ...

Страница 47: ...MLCAC UTSM 2010 10 Field Wiring Ceiling Floor Type 65 10 Field Wiring ...

Страница 48: ...Field Wiring MLCAC UTSM 2010 10 66 Ceiling Floor Type ...

Страница 49: ...0 Outdoor Unit Outdoor Unit 67 Part 3 Outdoor Units 1 Dimensions 68 2 Service Space 69 3 Piping Diagrams 70 4 Wiring Diagrams 71 5 Electric Characteristics 73 6 Operation Limits 74 7 Sound Levels 75 8 Troubleshooting 76 ...

Страница 50: ...10 68 Outdoor Units 1 Dimensions Unit mm MODEL A B C D E F H MOUB 36HDN1 Q 940 600 376 400 340 360 1245 MOUB 36HDN1 R 990 624 366 396 340 354 966 MOU 48HDN1 940 600 376 400 340 360 1245 MOUB 48HDN1 R 940 600 376 400 340 360 1245 ...

Страница 51: ...MLCAC UTSM 2010 10 Service Space Outdoor Units 69 2 Service Space ...

Страница 52: ...on valve Oil separator Compressor Low pressure switch Oil return Capillary High pressure switch Low pressure liquid accumulator Evaporator Capillary Outdoor unit Indoor unit 4 way valve Condenser T5 Discharge temp sensor Filter Filter Condenser temp sensor T3 T4 Ambient temp sensor Filter Filter T2 Evaporator temp sensor Room temp sensor T1 ...

Страница 53: ...MLCAC UTSM 2010 10 Wiring Diagrams Outdoor Units 71 4 Wiring Diagrams MOUB 36HDN1 Q MOU 48HDN1 MOUB 36HDN1 R ...

Страница 54: ...Wiring Diagrams MLCAC UTSM 2010 10 72 Outdoor Units MOUB 48HDN1 R ...

Страница 55: ...its 73 5 Electric Characteristics Model Outdoor Unit Power Supply Hz Voltage Min Max MFA MOUB 36HDN1 Q 50 220 240 198 254 40 MOUB 36HDN1 R 50 380 415 342 440 40 MOU 48HDN1 50 220 240 198 254 40 MOUB 48HDN1 R 50 380 415 342 440 40 Remark MFA Max Fuse Amps A ...

Страница 56: ...Operation Limits MLCAC UTSM 2010 10 74 Outdoor Units 6 Operation Limits 10 15 25 30 35 20 10 5 0 5 10 15 20 Indoor temperature DB Outdoor temperature WB STD Heating 25 24 15 17 ...

Страница 57: ...MLCAC UTSM 2010 10 Sound Levels Outdoor Units 75 7 Sound Levels Model Noise level dB A H L MOUB 36HDN1 Q 57 52 MOUB 36HDN1 R 55 50 MOU 48HDN1 59 54 MOUB 48HDN1 R 59 54 ...

Страница 58: ...Troubleshooting MLCAC UTSM 2010 10 76 Outdoor Units 8 Troubleshooting 8 1 Indoor unit malfunction 8 1 1 Display board Ceiling Floor Normal 4 way cassette Duct ...

Страница 59: ...MLCAC UTSM 2010 10 Troubleshooting Outdoor Units 77 8 1 2 Troubleshooting For Normal 4 way cassette For ceiling floor ...

Страница 60: ...Troubleshooting MLCAC UTSM 2010 10 78 Outdoor Units For Duct type ...

Страница 61: ...emp sensor is abnormal Check whether the resistance of the evaporator temp sensor is correct according to Annex 1 Judge 2 Room temp sensor is abnormal Replace evaporator temp sensor No Yes Check whether the resistance of the room temp sensor is correct according to Annex 1 Replace room temp sensor No Replace indoor PCB Yes ...

Страница 62: ...play E2 malfunction in the following part Indoor alarm lamps flash at 1Hz Judge 1 Condenser temp sensor is abnormal Check whether the resistance of the condenser temp sensor is correct according to Annex 1 Judge 2 Outdoor unit is abnormal Refer to the outdoor unit LED display E4 P1 P2 malfunction in the following part Replace condenser temp sensor No Yes Condenser temp sensor or outdoor unit is ma...

Страница 63: ...r pump work for a few minutes then check whether the system can run normally Replace indoor PCB Trouble is solved Yes No Check whether the water drain pipe is blocked No Solve to make the water can flow fluently Yes Check whether the water pump can work normally Replace water pump No Yes Defrost lamp flashes Judge Mode conflicts malfunction Turn the indoor unit to heating mode or turn off the unit...

Страница 64: ...E5 Voltage protection of compressor E6 PFC module protection Only for 30K 36K 48K with 1 phase P0 Top temperature protection of compressor P1 High pressure protection P2 Low pressure protection P3 Current protection of compressor P4 Discharge temperature protection of compressor P5 High temperature protection of condenser P6 Module protection 1 E0 malfunction E0 display EEPROM malfunction Judge Ch...

Страница 65: ...rectly Yes No Judge 4 Check whether the signal wiring between the indoor and outdoor units is broken Yes Replace the broken wiring No Judge 2 Check whether the signal wiring is shield cable or whether the shield cable is earthed Yes Adopt the shield cable let shield cable earthed No Indoor or outdoor main board is broken Replace the main board until the malfunction disappears Judge 1 Check whether...

Страница 66: ...eck whether the connecting wiring between the IPM module negative pole and the CN13 on the power board is broken off E3 display Communication malfunction in outdoor IC and DSP Replace the outdoor main board Yes Insert the connecting wiring well over again Yes No No Replace outdoor main board Yes No Insert the connecting wiring well over again Yes No No Replace the IPM module Yes Replace the power ...

Страница 67: ...C and DSP Check whether the indicator lights LED1 or LED2 on the main control board are flashing Replace PCB Yes Install the IC U3 chip of the PCB over again check whether the system can run normally Trouble is solved Yes No Check whether the output of the transformer to CN4 socket is well No Replace PCB Yes No Replace the transformer ...

Страница 68: ...r the wiring of the condenser temp sensor is broken off Connect the wiring well Yes No Check whether the resistance of condenser temp sensor is wrong refer to the Annex 1 Yes Replace condenser temp sensor No Judge 2 Outdoor ambient temp sensor T4 is malfunction Connect the wiring well Yes No Check whether the resistance of outdoor ambient temperature sensor T4 is wrong refer to the Annex 1 Yes Rep...

Страница 69: ... 265V No Replace the power board then check whether the system can run normally Check the power supply Yes Replace outdoor main board Yes Trouble is solved No E6 display PFC module protection Check whether the connecting line between main board and the PFC module is connected tightly No Connect it tightly check normal or not Yes Check whether the voltage between P and N of IPM module is 380 390V N...

Страница 70: ...n normally Yes Replace high pressure switch No Check whether the refrigerant system is ok Replace outdoor main board No Judge 3 Check whether the outdoor ambient temperature is too high Yes Stop the unit No Judge 4 Check whether the outdoor unit is bad ventilation Yes Make the outdoor unit ventilate well No Judge 5 Check whether the heat exchanger is dirty Yes Clean the heat exchanger No Judge 6 C...

Страница 71: ...s Stop the unit No Judge 4 The refrigerant of the system is leakage Yes Method Connect the pressure gauge to the gauge joint of the system check whether the pressure is lower than 0 14MPa Leak hunting Charge nitrogen or refrigerant to the system if the leakage is serious there will be distinct gas leakage cici sound if the leakage is slight use the suds mixture of water and abluent is also ok if i...

Страница 72: ...s Judge 2 Check whether the outdoor ambient temperature is too high Yes Stop the unit Replace outdoor main board No No Judge 3 Check whether the outdoor unit is bad ventilation Yes Make the outdoor unit ventilate well No Judge 4 Check whether the heat exchanger is dirty Yes Clean the heat exchanger No Judge 5 The refrigerant pipe is blocked Yes Let the refrigerant out then use the high pressure ni...

Страница 73: ...pressor discharge temp is more than 115 C No Check whether the wiring connection is right between compressor discharge temp sensor and PCB according to wiring diagrams Yes Method Check whether the resistance of compressor discharge temp sensor is right refer to the Annex 2 No Correct the wiring connection Yes Replace outdoor main board Judge The discharge temp sensor is broken No Replace the compr...

Страница 74: ...No Check whether the resistance of condenser temp sensor is correct refer to the Annex 1 Yes Replace outdoor main board No Replace the temperature sensor Yes Judge1 The outdoor temp is too high Replace outdoor main board No Judge 2 Check whether the heat exchanger is dirty No Judge 3 The refrigerant pipe is blocked Clean the heat exchanger Yes Yes Let the refrigerant out then use the high pressure...

Страница 75: ... two terminals check whether there is the condition that value of resistance is 0 Yes Replace the single phase bridge No No Check whether the connecting line of every reactor is normal If the line is broken the resistance of the two ports is No Replace the connecting line Yes Check whether the connecting line between main board and the IPM module is connected tightly Yes Check whether the connecti...

Страница 76: ...t tightly check ok or not No Yes Check whether the three phase bridge is normal No Replace the three phase bridge No Yes Check whether the 3300µF 400V electrolytic capacitor is normal No Replace this electrolytic capacitor Yes Check whether the connecting line between main board and the IPM module is connected tightly Yes Check whether the connecting line of the compressor is connected tightly Yes...

Страница 77: ...4 0000 36 6 13059 76 1 34105 116 0 40060 3 41 5878 37 5 87359 77 1 29078 117 0 38991 2 39 8239 38 5 62961 78 1 25423 118 0 37956 1 37 1988 39 5 39689 79 1 21330 119 0 36954 0 35 2024 40 5 17519 80 1 17393 120 0 35982 1 33 3269 41 4 96392 81 1 13604 121 0 35042 2 31 5635 42 4 76253 82 1 09958 122 0 3413 3 29 9058 43 4 57050 83 1 06448 123 0 33246 4 28 3459 44 4 38736 84 1 03069 124 0 32390 5 26 877...

Страница 78: ...2010 10 96 Installation Part 4 Installation 1 Precaution on Installation 97 2 Vacuum Dry and Leakage Checking 98 3 Additional Refrigerant Charge 100 4 Water Drainage 101 5 Insulation Work 104 6 Wiring 105 7 Test Operation 106 ...

Страница 79: ...he outdoor unit should be closed absolutely as original state Every time you connect it first loosen the nuts at the part of stop value then connect the flare pipe immediately in 5 minutes If the nuts have been loosened for a long time dusts and other impurities may enter the pipe system and may cause malfunction later So please expel the air out of the pipe with refrigerant before connection c Ex...

Страница 80: ...o different construction environment common vacuum dry special vacuum dry Common vacuum dry procedure Vacuum dry for the first time connect the all purpose detector to the inlet of liquid pipe and gas pipe and run the vacuum pump more than two hours the vacuum pump should be below 755mmHg If the pump can t achieve below 755mmHg after pumping 2 hours moisture or leakage point will still exist in th...

Страница 81: ...roy for the second time Fill nitrogen to 0 5Kgf cm2 Because nitrogen is for drying gas it has vacuum drying effect during vacuum destroy But if the moisture is too much this method can t dry thoroughly So please pay more attention to prevent water entering and forming condensation water Vacuum dry for the second time 1h pumping Determinant Pass if achieving below 755mmHg If 755mmHg can t be achiev...

Страница 82: ...cause explosions and accidents so always ensure that the appropriate refrigerant is charged e Refrigerant containers shall be opened slowly f Always use protective gloves and protect your eyes when charging refrigerant The outdoor unit is factory charged with refrigerant Calculate the added refrigerant according to the diameter and the length of the liquid side pipe of the outdoor unit indoor unit...

Страница 83: ...ulated to prevent atomization Drainpipe should be installed before installing indoor unit After powering on there is some water in water receiver plate Please check if the drain pump can operate correctly All connection should be firm Wipe color on PVC pipe to note connection Climbing horizontal and bending conditions are prohibited The dimension of drainpipe can t less than the connecting dimensi...

Страница 84: ... 1 50 l hr I D mm Thick Hard PVC 14 25 3 0 Hard PVC 14 88 30 3 5 Hard PVC 88 334 40 4 0 Hard PVC 175 334 50 4 5 Hard PVC 334 80 6 0 4 5 Drainage test 1 Drainage without drain pump After finishing drainpipe installation pour some water into the water receiver plate to check if the water flows smoothly 2 Drainage with drain pump Poke the Water Level Switch remove the cover use water pipe to pour 200...

Страница 85: ...the alarm lamp flashes even overflow from the water receipt plate Keep on pouring water until it gives an alarm signal for high water level check if the pump drains water at once If the water level can t fall below the alarmed water level after 3 minutes the air conditioner will stop Turn off the power and drain the remained water and then turn on the air conditioner Note the drain stuff in the ma...

Страница 86: ...bove 100 2 Thickness choice for insulation material Insulation material thickness is as follows Pipe diameter mm Adiabatic material thickness Refrigerant pipe Φ6 4 Φ25 4 10mm Φ28 6 Φ38 1 15mm Drainage pipe Inner diameterΦ20 Φ32 6mm 5 2 Refrigerant pipe insulation 1 Work Procedure Before laying the pipes the non jointing parts and non connection parts should be heat insulated When the gas proof tes...

Страница 87: ... of the pipes Make sure there s no clearance in the joining part of the accessorial insulation material and local preparative insulation material 5 3 Drainage pipe insulation 1 The connection part should be insulated or else water will be condensing at the non insulation part 5 4 Note 1 The jointing area expanding area and the flange area should be heat insulated after passing the pressure test 2 ...

Страница 88: ...he air conditioner is pre heated by turning on the power 3 According to the user s requirement install the remote controller when the remote controller s signal can reach the indoor unit smoothly 4 Test operation Set the air conditioner under the mode of COOLING with the remote controller and check the following points Indoor unit Whether the switch on the remote controller works well Whether the ...

Страница 89: ...MLCAC UTSM 2010 10 Control Control 107 Part 5 Control 1 Controller 108 ...

Страница 90: ...st 2 Fan speed se ttin g 4 Adjus t 1 3 Co ol heat Lock Reset 15 13 12 14 Confirmbutton 1 6 Economic operation TIME ON TI ME OF F C LOCK SWING AIRDIRE CTI ON O K ECO SW ING MODE FAN S P EED M AUTO COO L DRY HEAT FAN TEMP SET SET Visual photo 1 3 General Function for wireless remote controller Model and Specification Model R05 BGE Rated voltage 3 0V 2pieces of LR03 7 batteries Min voltage for sendin...

Страница 91: ...hen resetting or electrifying for the first time Press CLOCK for 5s icon indicating hour will flash with 0 5s Press it again icon indicating minute will flash with 0 5s and are used to adjust the figure Setting or modification is effective only by pressing OK button to make confirmation 10 TIME ON For time ON setting Once pressing this button the time will increase by 0 5 hour When the set time ex...

Страница 92: ... button to select COOL DRY HEAT or FAN ONLY mode HEAT is invalid for COOL ONLY wire controller AUTO COOLING DEHUMIDIFY HEATING FAN 2 Fan speed button FAN SPEED Press FAN SPEED to select fan speed from AUTO LOW MED and HIGH NOTE some air conditioners have no MED fan speed and then the MED is regarded as HIGH 3 Economical operation displays ...

Страница 93: ...r clock operation it must press CONFIRM to complete the set 6 TIMER ON OFF display Display ON at the state of TIMER ON adjustment or after only set the TIMER ON Display OFF at the state of TIMER OFF adjustment or after only set the TIMER OFF Display ON OFF if simultaneously set the mode of TIMER ON and TIMER OFF 7 Temperature display area Usually display the set temperature Press the buttons of an...

Страница 94: ... 5 hours When the set time is over 10 hours each time you push the button the time moves forward by 1 hour If want to cancel the TIMER OFF then adjust the time of TIMER OFF as 0 0 4 CLOCK button Normally display the clock set currently display 12 00 for the first electrifying or resetting When push the button for 4 seconds the hour part on the clock display flashes every 0 5 seconds then push butt...

Страница 95: ...D E in indoor unit and fixing a infrared emitter whose anode and cathode connecting with A and B near the receiver in the Indoor Unit Switch Board then connecting the terminal 5v GND Run in the Switch Board to C D E respectively NOTE Never turn screws too tightly or else the cover would be dented or the Liquid Crystal breaks Please leave enough long cable for maintenance of the Wire Controller Boa...

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