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Trane 4TXM2318BF300AA, Service Manual, Page: 122 / 156

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Trane 4TXM2318BF300AA Service Manual Download Page 122

120

6.6.5 Frequency control when Td is too high

Purpose: make compressor frequency control if the discharging temp. is too high, to lower the discharging 
temp. efficiently and ensure the system can run normally. 

 

 

Discharging

 t e

mp. 

 

Td

 

Reduce FQY rapidly 2HZ/S 

Reduce FQY rapidly 1HZ/S 

Reduce FQY slowly 1HZ/10S 

Remain FQY 

Increase FQY slowly 1HZ/10S 

118

℃

115

℃

112

℃

109

℃

105

℃

95

℃

Unitary:

Multi:

Dischar

gin

g 

tem

p.

 TD 

Reduce FQY rapidly 2HZ/S 

Reduce FQY rapidly 1HZ/S 

Reduce FQY slowly 1HZ/10S 

Remain FQY 

Increase FQY slowly 1HZ/10S 

120

℃

115

℃

110

℃

105

℃

100

℃

95

℃

If keeping for 10s, the unit stops, 3 minutes later, the unit can
re-startup. If in 60 minutesthe unit occurs alarm for 3 times, the
failure can be eliminated.   

If keeping for 10s, the unit stops, 3 minutes later, the unit can
re-startup. If in 60 minutesthe unit occurs alarm for 3 times, the
failure can be eliminated.   

Summary of Contents for 4TXM2318BF300AA

Page 1: ...Super Match Service Manual 4TXM2318BF300AA 4TXM2324BF300AA 4TXM2330BF400AA 4TXM2336BF500AA 4TXM2342BF500AA...

Page 2: ...on 42 4 2 Dimension 43 4 3 Wiring Diagram 44 4 4 Installation 45 Part 5 Outdoor Units 64 5 1 Feature 64 5 2 Dimension 70 5 3 Wiring Diagram 73 5 4 Wiring Connection 76 5 5 Piping Diagram 79 5 6 Limita...

Page 3: ...1 Model Apperance Oudoor Unit 4TXM2318BF300AA 4TXM2324BF300AA 4TXM2330BF400AA 4TXM2336BF500AA 4TXM2342BF500AA Part 1 General Information 1 1 Line up...

Page 4: ...nce Indoor unit Cassette 4MXC2309BF0W0AA 4MXC2312BF0W0AA 4MXC2318BF0W0AA 4MXC2324BF0W0AA Low ESP Duct 4MXD2309BF0R0AA 4MXD2312BF0R0AA 4MXD2318BF0R0AA 4MXD2324BF0R0AA One way Cassette 4MXE2309BF0W0AA 4...

Page 5: ...tube f Coil length height width mm 1 330 210 13 3 1 330 210 26 6 g Number of circuits 5 10 Indoor air flow Hi Med Lo m 620 520 450 620 520 450 Sound level sound pressure dB A 36 33 30 36 33 30 Thrott...

Page 6: ...tube f Coil length height width mm 1 330 210 26 6 2 242 168 26 6 g Number of circuits 10 8 Indoor air flow Hi Med Lo m 700 620 500 1 260 1 070 820 Sound level sound pressure dB A 42 37 35 36 33 29 Thr...

Page 7: ...bedded part of the panel PB 620KB is 583mm PB 620KB ceiling opening size PB 70 Note to ensure that the panel can be installed properly for PB 620KB panel the minimum opening size of the ceiling should...

Page 8: ...840 840 80 54 54 80 90 950 950 90 80 168 275 105 288 80 90 90 105 80 80 90 90 80 90 54 54 71 71 191 191 75 128 90 90 105 105 80 128 80 80 80 54 54 90 90 90 105 90 80 183 143 178 152 93 138 4MXC2324BF...

Page 9: ...CN4 CN11 CN19 CN3 ON CN21 T5A 250VAC FUSE BM3 2 1 3 B W R Y G NOTE1 DASHED PARTS ARE OPTIONAL 2 USERS SHOULD NOT SET BM1 AND BM3 CH1 OFF CN16 TEMP PIPING DC FAN ROOMCARD WIFI MODULE WIRED CONTROLLER B...

Page 10: ...IVER CN4 CN11 CN19 CN3 ON CN21 T5A 250VAC FUSE BM3 2 1 3 B W R Y G NOTE1 DASHED PARTS ARE OPTIONAL 2 USERS SHOULD NOT SET BM1 AND BM3 CH1 OFF CN16 TEMP PIPING DC FAN ROOMCARD WIFI MODULE WIRED CONTROL...

Page 11: ...N Y G L I R RECEIVER WITH DIGITAL DISPLAY WiFi MODULE B A C WIRED CONTROLLER M SENSOR TEMP ROOM ROOM CARD CN3 CN6 T5A 250VAC CN16 DRAIN PUMP M CN9 CN10 CN4 CN14 FUSE FLOAT SWITCH CN13 CN4 CN3 CN2 CN7...

Page 12: ...654321 SW1 BM1 87654321 N Y G L I R RECEIVER WITH DIGITAL DISPLAY WiFi MODULE B A C WIRED CONTROLLER M SENSOR TEMP ROOM ROOM CARD CN3 CN6 T5A 250VAC CN16 DRAIN PUMP M CN9 CN10 CN4 CN14 FUSE FLOAT SWIT...

Page 13: ...7m 2m 1m 0m 0 5m s a Cooling air velocity distribution Cooling Blowy angle 40 Air velocity distribution b Cooling temperature distribution Cooling Blowy angle 4 0 Temperature distribution 2 7m 27 25...

Page 14: ...le 70 Air velocity distribution d Heating temperature distribution Heating Blowy angle 70 TemperAture distribution 2 7m 2m 1m 0m 1 5m s 1 5m s 1 0m s 1 0m s 0 5m s 2m 2m 1m 1m 3m 3m 4m 4m 0m 0 5m s 22...

Page 15: ...tallation place Don t remove packing until unit reaches installation place If unpacking is unkavoidable protect unit properly Place where proper air flow can be ensured Noblock toair flow Water draina...

Page 16: ...etween Distance between Indoor unit 570mm Ceiling opening 650mm Ornament panel 700mm Indoor unit 840mm Ceiling opening 890mm suspending bolts 535mm suspending bolts 765mm Indoor unit 570mm Indoor unit...

Page 17: ...n the Ceiling 3 Adjust unit to its right position Refer to preparation for the installation 1 4 Check units horizontal level Watert pump and flating switch is installed inside indoor unit check four c...

Page 18: ...n Fig below Cover joint of gas piping and insulator 7 with seal 2 Adjust the height and position of the unit Refer to preparation for the installation 1 3 Proceed with and of In the case of new ceilin...

Page 19: ...lent size 25mm O D 32mm Drain pipe should be short with a downward slope at least 1 100 toprevent air bag from happening If downward slope can t be made take other measures to lift it up Keep a distan...

Page 20: ...lion After Wiring AB25S2SC1FA Method of water charging Self provided stiff pipe Water drainage port for maintenance Drain water from this hole 100mm Watering can of plastic pipe should be about 100 mm...

Page 21: ...k Grounding lead Cover of control box 1 In Out Rubber tube A AB25S2SC1FA Method of water charging Self provided stiff pipe Water drainage port for maintenance Drain water from this hole 100mm Watering...

Page 22: ...re size correct Problem may occur or parts got burned Are there any obstacles on air inlet and outlet grill of indoor and outdoor unit This may cause poor cooling Is record made for piping length and...

Page 23: ...o minimized the risk of flammable gas or vapor being present while the work is being performed Work in confined spaces shall be avoided The area around the workspace shall be sectioned off Ensure that...

Page 24: ...epair and maintenance to electrical components shall include initial safety checks and component inspection procedures If a fault exists that could compromise safety then no electrical supply shall be...

Page 25: ...chieved then venting to atmosphere and finally pulling down to a vacuum This process shall be repeated until no refrigerant is within the system When the final OFN charge is used the system shall be v...

Page 26: ...s ensure that only appropriate refrigerant recovery cylinders are employed Ensure that the correct number of cylinders for holding the total system charge are available All cylinders to be used are de...

Page 27: ...mm 7 innergroove tube 7 innergroove tube Coil length height width mm 640 210 26 6 640 210 26 6 Number of circuits 10 10 Indoor air flow Hi Med Lo m 530 460 390 330 600 480 420 350 ESP Rated Pa 0 0 Ra...

Page 28: ...ove tube 7 innergroove tube Coil length height width mm 960 210 26 6 640 210 39 9 Number of circuits 10 15 Indoor air flow Hi Med Lo m 900 780 660 540 1 000 950 850 700 ESP Rated Pa 0 0 Range Pa 0 50...

Page 29: ...ension 4MXD2309BF0R0AA 4MXD2312BF0R0AA 420 370 892 850 185 640 90 760 152 A B C 4MXD2318BF0R0AA 4MXD2324BF0R0AA Unit Model A B C D E F G H I 4MXD2318BF0R0AA 4MXD2324BF0R0AA 420 1212 370 1170 185 960 9...

Page 30: ...SW01 6 select OFF EXTERNAL ALARM OUTPUT SW01 6 select ON Contact rating_230VAC 3A M CN21 Heater_L CH4 Heater_N CH2 CN5 CN4 CN34 CN16 CH1 SW01 1 SW01 2 SW01 3 ON SW01 4 SW01 5 SW01 6 SW01 7 SW01 8 MODE...

Page 31: ...RT H 0 100 200 300 400 30Pa 20Pa 10Pa 0 Pa air flow m 3 h static pressure Pa H M L 500 600 700 h AIR FLOW AND STATIC PRESSURE CHART 30Pa 20Pa 10Pa 0 Pa static pressure Pa 100 200 300 400 500 600 air f...

Page 32: ...m 3 h static pressure Air flow and static pressure chart AD71S2SG1FA AD71S2SS2FA L M H 500 600 700 800 900 ow m3 h AIRFLOW AND STATIC PRESSURE CHART H 0 100 200 300 400 500 600 30Pa 20Pa 10Pa 0 Pa air...

Page 33: ...s two contacts should be no less than 3mm Such means for disconnection must be incorporation in the fixed wiring 6 The installation height of the indoor unit is recommended from 2 5m to 2 7m 7 The dis...

Page 34: ...y with a rubber cap Only the outlet not obstructed liquid inlet and outlet side will be generally used during installation If applicable both the outlets should be used together An access port must be...

Page 35: ...a transition duct to connect with the air sending duct of indoor unit then connect with respective separator As Figure shown all the fan speed of any of the separator s air outlet shall be adjusted ap...

Page 36: ...T slot of the suspension part of the unit Aided with a level meter adjust level of the unit within 5mm CAUTION In installation if there is refrigerant gas leakage pleasetake ventilation measures imme...

Page 37: ...hall be as given in the following table Wall thick ness of connection pipe 0 8mm With a vacuum pump create vacuum from the stop valve of the outdoor unit Emptying with refrigerant sealed in the outdoo...

Page 38: ...abnormal sound will be produced The horizontal length of the drain pipe shall be less than 20m In case of long pipe supports shall be provided every 1 5 2m to prevent wavy form Central piping shall be...

Page 39: ...nnection part during water draining even in winter WARNING Danger of Bodily Injury or Death Turn off electric power at circuit breaker or power source before making any electric connections Ground con...

Page 40: ...tems safety checks are necessary to ensure that the risk of ignition is minimized Work shall be undertaken under a controlled procedure so as to minimized the risk of flammable gas or vapor being pres...

Page 41: ...owner of the equipment so all parties are advised Initial safety checks shall include That capacitors are discharged this shall be done in a safe manner to avoid possibility of sparking That no live e...

Page 42: ...ment Hoses or lines shall be as short as possible to minimise the amount of refrigerant contained in them Cylinders shall be kept upright Ensure that the refrigeration system is earthed prior to charg...

Page 43: ...he recovered refrigerant and labelled for that refrigerant i e special cylinders for the recovery of refrigerant Cylinders shall be complete with pressure relief valve and associated shut off valves i...

Page 44: ...ght width mm 675 168 13 3 675 84 13 3 675 168 13 3 675 84 13 3 Number of circuits 12 12 Indoor air flow Hi Med Lo m3 h 500 460 420 530 500 460 Indoor noise level sound pressure Hi Med Lo dB A 34 30 26...

Page 45: ...185 Ceiling open 1025 CeIling open525 Indoor units 875 Indoor units 505 33 15 Center of the ceiling Center of the four suspending rod when inlet grill is closed the least reserved space is 300mm Inst...

Page 46: ...MOTE UP DOWN SWING MOTOR LEFT RIGHT SWING MOTOR FLOAT ROOM CARD CN5 CN1 TA LAMP PANEL 9 10 5 WIFI 4 W B R W W BL CN28 ZJ SS Y W M W CN8 5 CN3 W TC OR Orange B Black BL Blue BR Brown Y G Yellow Green R...

Page 47: ...troller function need to set in factory especially Warning If the supply cord is damaged it must be replaced by the manufacturer its service agent or similarly qualified persons in order to avoid a ha...

Page 48: ...direction adjusting key of remote controller to adjust air out direction Electrical box assy in the air return guide Filter in the air return guide Receive window and function indicator of remote con...

Page 49: ...cks or fire accidents might be caused from improper installation Please make sure to install the air conditioner on the place where can bear the weight of the air conditioner The air conditioner can t...

Page 50: ...e connect the remote control cable and the connection cable to no noise The drainpipe should be properly mounted according to this manual as to ensure the smooth drainage In addition heat preservation...

Page 51: ...running and switch off the manual powerswitch when cleaning the unit Check the mount table of the airconditioner for damage for a long period of operation If placed on the damaged table the unit maydr...

Page 52: ...t the outdoor unit willperform defrosting automatically when frost appearson the outdoor unit during heating approximately 2 10min During defrosting the fan of the indoor unit runsat a low speed or st...

Page 53: ...he gear box Cleaning Clean the air cleaner with the dust collector or water to remove dusts For too much dust use the fan or directly spray the special cookware detergent on the air inlet grid and the...

Page 54: ...2 Clean the air cleaner and the shell After cleaning the air cleaner must be mounted 3 Switch it on to the power After cleaning the air cleaner must be mounted After Operating Season 1 In sunny days b...

Page 55: ...e awaiting indication as it fails to perform refrigerating operation while other indoor units are in heating operation When the operator set it to the refrigerating or heating mode and the operation i...

Page 56: ...ed 1 Select the following places to install indoor units 1 where there is enough room for the machine above the ceiling 2 where the drainpipes can be well arranged 3 where the distance between the air...

Page 57: ...of piping and wiring Confirm the size of the indoor unit and fix it according to the requirements in the manual 2 Location Relationship among Ceiling Hole Unit and Hoisting Studs Ensure the required s...

Page 58: ...tch might have faults causing water dropping When lifting can be tilted to the drain the long side of the horizontal height difference 0 10mm 5 Tighten the nut on the washer 6 Remove the mounting card...

Page 59: ...he panel inlet and outlet are corresponding to the inlet and outlet of the machine Install the two claws into the snap and secure with the screws Screw hole position as shown hidden parts have been hi...

Page 60: ...can be caused The horizon length of the drainpipe should be kept with 20m Under the condition of long pipes supports can be provided every 1 5 2m as to avoid unevenness The central piping should be c...

Page 61: ...hout any gap with heat insulating materials as shown in the drawing Lifting Drainpipe Confirming Drainage Hose heat insulating material down gradient over 1 100 s shape elbow down gradient over 1 100...

Page 62: ...sor failure can be caused by filling too much or little refrigerant Proceed the flare tube connecting operation to connect all the refrigerant tubes Dual wrenches must be used in the connection of ind...

Page 63: ...must be the ground connection according to the criterion Unreliable grounding may cause electrical shocks Do not connect the grounding line to the gas pipe water pipe lightening rod and telephone line...

Page 64: ...press the connecting line with clips which should press on the protective sleeve of the connecting line 4 Electronic control box connection operation method First remove the screw of the fixed electri...

Page 65: ...and cadmium is not more than 0 01 mass fraction Please recycle the refrigerant before scrapping moving setting and repairing the air conditioning for the air conditioning When moving to disassemble an...

Page 66: ...B140FULMC L3 SNB140FULMC L3 Type Twin Rotary DC inverter Twin Rotary DC inverter Brand MELCOM MELCOM Capacity Btu h 15 000 15 000 Input W 1 300 1 300 Rated current RLA A 4 4 4 4 Locked rotor Amp LRA A...

Page 67: ...998 443 770 Net Gross weight kg 51 55 54 58 Refrigerant type Quantity Type R410a R410a Charged volume kg 1 9 1 9 Design pressure MPa 4 15 4 15 Refrigerant piping Liquid side Gas side mm inch 3 6 35 3...

Page 68: ...NB220FLHMC Type Twin Rotary DC inverter Twin Rotary DC inverter Brand MELCOM MELCOM Capacity Btu h 24 000 24 000 Input W 2 200 2 200 Rated current RLA A 9 7 9 7 Locked rotor Amp LRA A 45 45 Thermal pr...

Page 69: ...36 478 820 Net Gross weight kg 61 65 66 71 Refrigerant type Quantity Type R410a R410a Charged volume kg 2 5 2 8 Design pressure MPa 4 15 4 15 Refrigerant piping Liquid side Gas side mm inch 4 6 35 3 9...

Page 70: ...in Rotary DC inverter Brand MELCOM Capacity Btu h 34 000 Input W 3 010 Rated current RLA A 13 5 Locked rotor Amp LRA A 67 Thermal protector position INTERNAL Capacitor F Refrigerant oil ml 870 O u t d...

Page 71: ...ss weight kg 90 101 Refrigerant type Quantity Type R410a Charged volume kg 3 2 Design pressure MPa 4 15 Refrigerant piping Liquid side Gas side mm inch 5 6 35 3 9 52 2 12 7 Max pipe length m 80 Max di...

Page 72: ...ection 146 289 26 116 293 582 813 73 24 357 688 355 51 52 353 320 16 5 100 Handle 4U26HS1ERA 4U30HS1ERA 340 6 21 50 Liquid pipe 6 35 flared 1 4 Gas pipe 9 52 flared 3 8 A B C unit 12 7 flared 1 2 D un...

Page 73: ...it connection B unit connection A unit connection Handle 311 408 28 163 45 315 840 948 Indoor and outdoor connect wiring hole 537 30 48 Handle Handle Air outlet Air inlet Air inlet 184 580 184 70 380...

Page 74: ...hole 537 30 48 Handle Air outlet Air inlet Air inlet 180 648 180 447 410 21 49 Liquid pipe 6 35 flared 1 4 Gas pipe 9 52 flared 3 8 A B C unit 12 7 flared 1 2 D E unit D unit connection C unit connect...

Page 75: ...mp Sensor Ta Ambient Temp Sensor Td Compressor Discharge Temp Sensor Te Defrosting Temp Sensor Tc1 a b c d e Condensing Temp Sensor for Indoor Units a b c d e Gas Pipe Tc2 a b c d e Condensing Temp Se...

Page 76: ...mpressor Suction Temp Sensor Ta Ambient Temp Sensor Td Compressor Discharge Temp Sensor Te Defrosting Temp Sensor Tc1 a b c d e Condensing Temp Sensor for Indoor Units a b c d e Gas Pipe Tc2 a b c d e...

Page 77: ...CN24 A TC1 CN25 B TC1 CN26 C TC1 CN29 A TC2 CN30 B TC2 CN31 C TC2 CN27 D TC1 CN32 D TC2 CN28 E TC1 CN33 E TC2 PMV_E M CN20 YE Yellow B Black BL Blue R Red W White Y G Yellow Green Y G To Indoor Units...

Page 78: ...r and outdoor units and ensure the sequence numbers on terminals match with each other Teminal block Power Supply 1PH 220 240V 50 60Hz Central Controller Indoor Unit A Indoor Unit B Indoor Unit C Powe...

Page 79: ...ral Controller Indoor Unit A Indoor Unit B Indoor Unit C Power Supply Cable H05RN F3G 4 0mm2 Connecting Cable H05RN F4G 2 0mm2 Connecting Cable H05RN F2G 2 0mm2 4TXM2330BF400AA Teminal block Indoor Un...

Page 80: ...m2 Connecting Cable H05RN F4G 2 0mm2 Connecting Cable H05RN F2G 2 0mm2 Power Supply 1PH 220 240V 50 60Hz Connect the connecting wires between indoor and outdoor units and ensure the sequence numbers o...

Page 81: ...o d n I EEV B r e n i a r t S r o s n e s p m e t e p i p d i u q i l B t i n U B t i n u r o o d n I EEV C r e n i a r t S r o s n e s p m e t e p i p d i u q i l C t i n U C t i n u r o o d n I e p...

Page 82: ...nit A liquid pipe temp sensor Indoor unit A Strainer Unit B liquid pipe temp sensor Indoor unit B Strainer Unit C liquid pipe temp sensor Indoor unit C Strainer Unit D liquid pipe temp sensor Indoor u...

Page 83: ...mp sensor Indoor unit A Strainer Unit B liquid pipe temp sensor Indoor unit B Strainer Unit C liquid pipe temp sensor Indoor unit C Strainer Unit D liquid pipe temp sensor Indoor unit D Unit A gas pip...

Page 84: ...length 30 18BF 30 24BF 50 h m Drop between every two indoor units when the location of the outdoor unit is among indoor units 1 15 m Drop between every two indoor units when the location of the outdoo...

Page 85: ...between IU and OU of the way 10 25 L4 One Way m Max Piping length between IU and OU of the way 10 25 L1 L2 L3 L4 m Total liquid piping length 40 50 h m Drop between every two indoor units when the lo...

Page 86: ...way 10 25 L4 one way m Max piping length between IU and OU of the way 10 25 L5 one way m Max piping length between IU and OU of the way 10 25 L1 L2 L3 L4 L5 m Total liquid piping length 40 80 h m Dro...

Page 87: ...ich must be kept away from moisture 10 On a flat surface that does not collect rain water 11 Away from strong wind 12 Away from direct exposure to rain or snow 13 Away from sea breeze 14 Away from inf...

Page 88: ...f snow ice and defrosting issues install the unit on heat pump risers to ensure a sufficient height from the ground In all cases refer to local code for correct riser height Make sure the outdoor unit...

Page 89: ...or moisture gets into either side of the embedded branch piping 2 It is impossible to connect the indoor unit for one room only If there is the danger of the unit falling or overturning fix the unit...

Page 90: ...llation 1 Precautions on installation Check the strength and level of the installation ground so that unit will not cause any operating vibration or noise after installation In accordance with the fou...

Page 91: ...ings 2 If drain work is necessary follow the procedures below 2 Drain work 1 Use drain plug for drainage 2 If the drain port is covered by a mounting base or floor surface place additional foot bases...

Page 92: ...zed the duration of which cannot be less than 30 minutes Finally 1 5 2 0MPa OFN shall be used for nitrogen flushing 30 seconds 1 minute to confirm the position requiring treatment Maintenance of the r...

Page 93: ...unit using a vacuum pump then charge additional refrigerant Use a hexagonal wrench 4mm to operate the stop valve rod All refrigerant pipe joints should be tightened with a torque wrench at the specifi...

Page 94: ...o set the address But the L N wires between indoor outdoor units must be corresponded or there will be communication failure 2 Quiet operation setting Set the DIP 8 to ON position of SW5 the system wi...

Page 95: ...ant pipe Please pour water in the drain pan of the indoor unit and confirm that drainage is carried out serely to outdoor In case that the attached drain hose is in a room please apply heat insulation...

Page 96: ...ting cable must be shielded Fuse T3 15A 250VAC Electronic control unit T25A 250VAC Power circuit board Please check the circuit diagram about the fuse replaced 2 Wiring method Wiring method of orbicul...

Page 97: ...y consumers themselves 4 Wiring method of indoor unit Loosen wire cover and connect the power line and communication wire of indoor unit to the terminal correspondingly Note When connecting power line...

Page 98: ...g On Flashing ON unit connect correctly Flashing unit connect wrong need to change the wiring manually between 2 3 and 5 On Flashing Flashing On On ON unit connect correctly Flashing unit connect wron...

Page 99: ...anufactured after 6th May 2021 PCB 0151800208CM CN1 Room card 0 5VDC CN19 Float switch 0 5VDC CN6 DC fan motor Swing motor CN4 Wifi 0 5VDC CN3 Ambient temp sensor Coil temp sensor 0 5VDC CN9 Water pum...

Page 100: ...24BF0W0AA Manufactured after 6th May 2021 PCB CODE 0151800208CF 4MXC2324BF0W0AA Manufactured before 6th May 2021 PCB 0151800208CE AC wired controller Swing Motor Alarm output DC fan motor Room card Di...

Page 101: ...ensor Indoor coil temp sensor 0 5VDC SW01 SW03 Central control address and dip switch setting CN13 Float switch 0 5VDC CN16 Room card 0 5VDC Termina 1 N 2 L 3 S 4 GND CH1 Ground wire CN6 DC fan motor...

Page 102: ...100 PCB 0151800611 4MXE2309BF0W0AA 4MXE2312BF0W0AA...

Page 103: ...n Remind Default ON With Filter Clean Remind OFF Reserved PCB 0151800244AE dip switch setting BM3 BM3 1 BM3 2 BM3 3 BM3 4 Description OFF OFF OFF OFF Reserved BM3 5 BM3 6 BM3 7 BM3 8 Address of Wire C...

Page 104: ...ON With Filter Clean Remind OFF Reserved PCB 0151800208CM dip switch setting BM3 BM3 1 BM3 2 BM3 3 BM3 4 Description OFF ON OFF OFF Cassette BM3 5 BM3 6 BM3 7 BM3 8 Address of Wire Controlled Indoor...

Page 105: ...SW3 BM3 8 BM3 7 BM3 6 BM3 5 Description OFF OFF OFF OFF Master indoor unit OFF OFF OFF ON 1 Slave Indoor Unit OFF OFF ON OFF 2 Slave Indoor Unit OFF OFF ON ON 3 Slave Indoor Unit OFF ON OFF OFF 4 Slav...

Page 106: ...11 slave ON ON OFF OFF 12 slave ON ON OFF ON 13 slave ON ON ON OFF 14 slave ON ON ON ON 15 slave Wired controller communication address SW3 2 SW3 3 Unit Type ON ON Cassette SW1 1 ON 0 OFF Capacity SW...

Page 107: ...xternal Alarm Output OFF Without Filter Clean Remind Default ON With Filter Clean Remind OFF Esp Duct USA ON Eu Australia BM3 1 BM3 2 BM3 3 Description OFF OFF OFF Reserved BM3 4 Description OFF Slim...

Page 108: ...ing motor Default ON 2 swing motor OFF Reserved OFF Reserved OFF 4 grade static pressure ON 10 grade static pressure Default PCB 0151800644 dip switch setting SW03 BM3 SW3 5 SW3 6 SW3 7 SW3 8 Address...

Page 109: ...ult ON Room card function valid OFF Heat pump Default ON Cooling only OFF Fresh air Default ON Malfunction alarm OFF Without filter clean reminding Default ON With filter clean reminding OFF North Ame...

Page 110: ...2312BF0W0AA 4MXC2318BF0W0AA 0151800208CM B 4MXC2324BF0W0AA 0151800208CF B 4MXD2309BF0R0AA 4MXD2312BF0R0AA 4MXD2318BF0R0AA 4MXD2324BF0R0AA 0151800644 B 4MXE2309BF0W0AA 4MXE2312BF0W0AA 0151800611 B Grou...

Page 111: ...sleep in cooling mode and as heating sleep in heating mode Once sleep mode is set the mode will not change after the unit stops for 15 minutes when it arrives Tset E Mode conversion will be confirmed...

Page 112: ...door fan motor stops running C Defrosting is over and indoor motor will run as anti cold air state Blowing Remaining Heat Operation When the unit shuts off in heating mode or the thermostat is OFF ind...

Page 113: ...un for 20 minutes it will quit trial operation automatically and enter the normal mode with the set temp 24o C Timer Operation A Wired control type wired controller will control the unit ON OFF B Remo...

Page 114: ...runs when the room card connect first then switched ON by remote controller wired controller or central controller The indoor unit stops when the room card disconnects or switched OFF by remote contr...

Page 115: ...for over 5 minutes to prevent indoor evaporator freezing in cooling dry mode if indoor mid coil temp is below 1 degree for over 5 minutes indoor EEV will close and compressor will stop When indoor mi...

Page 116: ...114 PCB 0151800364D Power Module 0011800377C...

Page 117: ...115 Power Module 0011800377AJ PCB 0151800364C...

Page 118: ...The Others are Normal OFF ON OFF OFF Compulsory Cooling 60Hz Outdoor Motor 7 Class Standard Open Angle 200 the Others are Normal OFF OFF ON OFF Rated Operation OFF OFF OFF ON Time Defrost Valid ON ON...

Page 119: ...OFF OFF ON ON 16 17 18 19 20 OFF ON OFF OFF 21 22 23 24 25 OFF ON OFF ON 26 27 28 29 30 OFF ON ON OFF 31 32 33 34 35 OFF ON ON ON 36 37 38 39 40 ON OFF OFF OFF 41 42 43 44 45 ON OFF OFF ON 46 47 48 4...

Page 120: ...exchanger and make defrosting control Multi a In heating mode if the compressor has run for 10 minutes continously and run for 45 minutes in all the system will measure the defrosting temperature sen...

Page 121: ...the 3 minute protection of compressor 6 6 4 Defrosting operation flow chart Beginning end Fixed frequency Indicated FQY 60s Defrosting FQY 80 Hz E 60s Soft startup Compressor 0HZ 0HZ 5s Outdoor motor...

Page 122: ...Y slowly 1HZ 10S Remain FQY Increase FQY slowly 1HZ 10S 118 115 112 109 105 95 Multi Discharging temp TD Reduce FQY rapidly 2HZ S Reduce FQY rapidly 1HZ S Reduce FQY slowly 1HZ 10S Remain FQY Increase...

Page 123: ...rotection When the input signal of pressure switch is low level 0 for 1 minute that shows high pressure protection works At this time compressor stops outdoor will send the alarm signal The alarm can...

Page 124: ...In addition the system will control low pressure through the evaporator temp TE to realize the low pressure protection function In cooling confirm through Tc2AVE In heating confirm through defrosting...

Page 125: ...r motor stop stop stop 4 way valve OFF OFF OFF 60S Send oil return signal oil return begins oil return over 60s ref eliminated 30s Oil return frequency auto frequency Low frequency Inverter compressor...

Page 126: ...Tc 20 for 30s continuously 5 minutes later begin to count Ts Tc2AVE 15 for 30s continuously 5 minutes later begin to count Running for min 5 minutes E Send oil return signal oil return begins oil retu...

Page 127: ...ss sigal wrong Zero cross sigal detected wrong DC Fan motor disconnected or DC Fan broken or circuit broken Note 1 The outdoor failure can also be indicated by the indoor unit the checking method as f...

Page 128: ...al detected wrong DC Fan motor disconnected or DC Fan broken or circuit broken Note 1 The outdoor failure can also be indicated by the indoor unit the checking method as follo ws If the outdoor error...

Page 129: ...ected wrong DC Fan motor disconnected or DC Fan broken or circuit broken Note 1 The outdoor failure can also be indicated by th he indo oo or un nit the checking method as follo ws If the outdoor erro...

Page 130: ...sigal detected wrong Indoor unit DC fan motor abnormal DC Fan motor disconected or DC Fan broken or circuit broken Note 1 The outdoor failure can also be indicated by the indoor unit the checking meth...

Page 131: ...s system must use refrigerant R410A 2 Add refrigerant 28g meter in 5U45LS1E RA add refrigerant 20g meter in other outdoor units when the total piping length exceeds the standard value but make sure th...

Page 132: ...Short Circuit Correct the wiring due to diagram Check if wire of electric box is correct and if compressor wire is fixed well If compressor is normal compressor coil resistor insulation If power modu...

Page 133: ...ace PCB Replace power module N N Y Y Solve the failures due to relative information Y N 5 Module Operated Overload Improve power supply circuit Check if voltage of power supply is normal Check if wiri...

Page 134: ...ply is normal Check if wiring of electric box is correct In operation check power module voltage between terminal P N more than 390V or less than 160V Correct the wiring due to diagram Replace power m...

Page 135: ...er Check if the system is clogged Check if the PMV coil is ok Check if stop valve is open Replace pressure switch Check the piping system Charge refrigerant Check the piping system Reconnet Y N Y Y N...

Page 136: ...ductive to CN11 of PCB Check if motor is running Power off and rotate fan motor by hand to check if there is obviously friction Test the terminial voltage if black and red is 280 350V and black and wh...

Page 137: ...sensor is normal Check if resistance characteristic of the sensor is normal Check if the temperature loop acquired by the PCBis normal Replace it correctly by after sales personnel on site Replace it...

Page 138: ...stem meets condition of 4 way valve reversing Pd Ps 0 6Mpa Measure if CN5 voltage on PCB is 208 230VAC after 4 way valve reversing conditon is met If there is air noise after 4 way valve reverses and...

Page 139: ...supply is normal Check if wire between power module and compressor are correct If power module is normal Correct the wiring due to diagram Replace power module Y Y Y N N N If compressor is normal comp...

Page 140: ...cteristic is proper If indoor air passage is patency If system is lack of refrigerant Replace sensor Modify air passage N N Y Y N N Charge refrigerant Y If stop valve is open N Check the system piping...

Page 141: ...istic is proper If indoor air passage is patency If system is lack of refrigerant Replace sensor Modify air passage N N Y Y N N Charge refrigerant Y If stop valve is open N Check the system piping N I...

Page 142: ...Improve power supply circuit Check if voltage of power supply is normal Check if wire between power module and compressor are correct If power module is normal Correct the wiring due to diagram Repla...

Page 143: ...er module is normal Repalce compressor Replace power module Y Y Y N N N Solve the failures due to relative information 26 MCU Reset Correct the wiring due to diagram Check if wire of electric box is c...

Page 144: ...142 27 Module Current Detect Circuit Failure Correct the wire due to diagram Check if wire between IPM and compressor is correct Y N Replace power module...

Page 145: ...inal is conductive by multimeter Check if the system is clogged Check if the PMV coil is ok If the system is lack of refrigerant Check if stop valve is open Replace pressure switch Check the piping sy...

Page 146: ...AA 4MXD2312BF0R0AA 4MXD2318BF0R0AA 4MXD2324BF0R0AA Indoor Ambient Temperature Sensor 001A3900159 R25 23K 3 B25 50 4200K 3 Indoor Coil Temperature Sensor 001A3900006 R25 10K 3 B25 50 3700K 3 4MXC2324BF...

Page 147: ...t Temperature Sensor 0150402521 R25 10K 3 B25 50 3700K 3 4TXM2330BF400AA Gas Liquid Sensor 0150402453A R25 10K 3 B25 50 3700K 3 Defrost Temperature Sensor 0150402521 R25 10K 3 B25 50 3700K 3 4TXM2336B...

Page 148: ...7 4 26 3 36 19 48 4 11 2 34 41 49 3 97 1 32 73 50 3 83 0 31 14 51 3 7 1 29 64 52 3 57 2 28 22 53 3 45 3 26 4 54 3 33 4 25 61 55 3 22 5 24 41 56 3 11 6 23 27 57 3 11 7 22 2 58 2 9 8 21 18 59 2 81 9 20...

Page 149: ...1 4 66 70 41 11 24 78 2 76 115 0 88 5 63 18 42 10 78 79 2 66 116 0 86 6 59 86 43 10 33 80 2 58 117 0 84 7 56 74 44 9 91 81 2 49 118 0 81 8 53 80 45 9 51 82 2 41 119 0 79 9 51 03 46 9 12 83 2 33 120 0...

Page 150: ...IDU 3 YCJ A002 address range 1 64 ODU1 IDU1 YCJ A002 ODU2 IDU2 YCJ A002 ODU3 IDU3 YCJ A002 YCJ A002 YCJ A002 YCJ A002 ODU 3U IDU1 IDU2 IDU 3 YCJ A002 YCJ A002 YCJ A002 ODU 3U TCONTCCMYCZG1 Wiring Dia...

Page 151: ...3U IDU1 IDU2 IDU 3 ODU 3U Wiring Diagram mixed Indoor 1 Super Match Indoor 2 Super Match Indoor 3 Super Match Indoor 4 Super Match Indoor 5 Super Match TCONTCCMYCZG1 A B C D E C1 C2 485 Outdoor unit c...

Page 152: ...Terminal Block Umatch 4TXK6512G1000AA 4TXK6518G1000AA 4TXK6524G1000AA Umatch 4TXK6536G1000AA 4TXK6548G1000AA 4TXK6560G1000AA Multi 4TXM2318BF200AA Multi 4TXM2318BF300AA 0151800364D 0151800076A CN4 C1...

Page 153: ...151 Screw 0010600325 Terminal block 0010452210E Connection cable 0150400330 Install the connection cable like this way...

Page 154: ...0 0 0 1 0 1 1 Address 11 0 0 0 0 1 1 0 0 Address 12 1 1 1 1 1 1 1 1 Address 256 Indoor unit Central Control Address Set Address by Outdoor PCB Indoor connect port 3U A B C 4U A B C D 5U A B C D E 4 3...

Page 155: ...on unitary air conditioner 1 2 3 4 5 6 7 8 0 0 0 0 0 0 0 Single mode address 1 0 0 0 0 0 0 1 Single mode address 2 0 1 0 0 1 1 0 Single mode address 39 0 1 0 0 1 1 1 Single mode address 40 0 1 1 1 1 1...

Page 156: ...154 BM1 0 OFF 1 ON 1 2 485 Communication Details 0 0 Single Split model 1 0 VRF model 0 1 Modbus RTU standard protocol 1 1 BMS system Set BM1 as 0 0 Single Split model...

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