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Service Manual - DCNE Ductless and VRF

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1. Yes y Measure the resistance value of the sensor No Replace the sensor Yes y PCB Replace indoor or outdoor main Fig 40 Troubleshooting Fig 41 Temperature sensor diagnosis 39 Refrigerant Leakage Detection diagnosis and solution EC Error Code EC Define the evaporator coil temp T2 of the compressor just starts running as Tcool In the beginning 5 minutes after the compressor starts up if T2 35 Tcool 35 F does not keep continuous 4 seconds and this situation happens 3 times the display area will show EC and AC will turn off Malfunction decision conditions e T2 Sensor faulty Supposed causes e Indoor FCB faulty e System problems such as leakage or blocking Power off then restart the unit 2 minutes later Yes 7 EOS you lavi IO Ins ou Yes gt Check if T2 sensor from indoor air outlet Yes Check leakage of system Replace indoor PCB No Repair the leakage and gt y recharge the refrigerant check blocklng of system and clear the blocking Fig 42 Troubleshooting 40 Water level alarm malfunction diagnosis and solution Error Code EE Malfunction decision conditions If the sampling voltage is not 5V the LED will display the failure e Wiring mistake e Water level switch faulty Suppos
2. Indoor unit Outdoor unit main board CODE PART NAME PART NAME PART NAME CN1 Input 230VAC High voltage Connection of the terminal CN1 CN2 Power input 230V AC CN2 Input 230VAC High voltage Connection of the terminal CN3 CN22 Output High voltage for 4 way control 230V AC CN3 Output OV Connection of the earth CN4 CN40 Output High voltage for HEAT Y control 230V AC CN5 Output 0 5VDC Connection of the Water level switch CN5 CN6 Output Power output to DRIVER BOARD 230V AC CN6 Output SVDC Connection of the Room and Pipe temperature CN7 ki a oo na ER CN7 Output SVDC Connection of the Outer Pipe temperature CN8 CN33 Input Temperature sensor SV DC CN9 Output SVDC Connection of the CCM and RS 485 CN9 Input Pressure test SV DC CN10 CN10A Output 12VDC Connection of the Display board CN10 CN44 Output High voltage for HEAT D control 230V AC CN13 Output 220VAC High voltage Connection of the Pump CN11 CN12 Output Pulse 0 380VDC for DC FAN CN15 Output 320VDC High voltage Connection of the Fan board CN20 Output PMV control Pin5 12V DC Pin6 12V DC CN23 Output 1 12VDC Connection of the Remote switch CN34 Communication to indoor unit Pinl SV DC Pin3 5V DC CN33 Output OV Connection of the Alarm CN41 CN42 CN43 Output Power output for AC fan motor 230V AC CN40 Output 12VDC Connection of the Wire controller P 1 Connection to the earth Outdoor unit Driver board PART NAME PART NAME UV W Output Pulse 0 380VDC for COMPRESSOR
3. Fix the malfunction causing the fan to be blocked motor Yes y Measure the voltage for the y Correct the connections fan motor from the main PCB A a a a D s Yes Y No Replace the main PCB A No Replace the fan motor Fig 38 Troubleshooting 37 Index 1 1 Indoor DC fan motor control chip is inside fan motor Power on and when the unit is in standby measure the voltage of pin1 pin3 pin4 pin3 in fan motor connector If the value of the voltage is not in the range showing in below table the PCB must have problems and need to be replaced 123450 Fig 39 Indoor DC fan motor DC motor voltage input and output No Color Signal Voltage 1 Red Vs Vm 200 380 V 2 eee en Se 3 Black GND OV 4 White Vcc 13 5 16 5V 5 Yellow Vsp 0 6 5V 6 Blue FG 13 5 16 5V 38 Open circuit or short circuit of temperature sensor diagnosis and solution E4 ES F1 F2 F3 Error Code E4 E5 F1 F2 F3 Malfunction decision conditions If the sampling voltage is lower than 0 06V or higher than 4 94V the LED will display the failure Supposed causes e Wiring mistake e _ Sensor faulty Check the connection between temperature No Correct the connection sensor and PCB
4. it means the EXV open angle is 120x4 480p Bit7 Frequency limit caused by IGBT radiator Bit6 Frequency limit caused by PFC The display value is hex number For Bit5 Frequency limit caused by T4 example the digital display tube Bit4 Frequency limit caused by T2 show 2A then Bit5 1 Bit3 1 15 Frequency limit symbol Bitl 1 Bit3 Frequency limit caused by T3 E e It means frequency limit caused by Bit2 Frequency limit caused by TS T4 T3 and current Bu Frequency limit caused by current Bit0 Frequency limit caused by voltage 16 DC fan motor speed The display value is between 30 120 degree If the temp Is lower than 30 degree the digital display l tube will show 30 If the temp is higher than 99 degree the digital display tube will show single digit BP EISES and tens digit For example the digital display tube show 0 5 it means the IGBT radiator temp is 105 degree the digital display tube show 1 6 it means the IGBT radiator temp is 116 degree 18 Indoor unit number The indoor unit can communicate with outdoor unit well General 1 Twins 2 El If the temp is lower than O degree the digital display tube will show 0 If the temp is higher than 20 Evaporator pipe temp T2 of 2 indoor unit 70 degree the digital display tube will show 70 If the indoor unit is not connected the digital 21 Evaporator pipe temp T2 of 3 indoor unit display tube will show 22 1 Indoor unit ca
5. Manifold Deep Vacuum Method The deep vacuum method requires a vacuum pump capable of pulling a vacuum of 500 microns and a vacuum gage capable of accurately measuring this vacuum depth The deep vacuum method is the most positive way of assuring a system is free of air and liquid water see Fig 22 5000 i 4500 avoo AA sas A po YA E pwo n A TA a 42500 2000 a n VACUUM TIGHT e TOO WET TIGHT 500 DRY SYSTEM Oo 1 2 3 4 5 6 7 MINUTES Fig 22 Deep Vacuum Graph 25 Triple Evacuation Method The triple evacuation method should be used Refer to Fig 23 and proceed as follows 1 Pump system down to 500 MICRONS of mercury and allow pump to continue operating for an additional 15 minutes 2 Close service valves and shut off vacuum pump 3 Connect a nitrogen cylinder and regulator to system and open until system pressure is 2 psig 4 Close service valve and allow system to stand for 10 minutes During this time dry nitrogen will be able to diffuse throughout the system absorbing moisture 5 Repeat this procedure as indicated in Fig 23 System will then be free of any contaminants and water vapor EVACUATE v BREAK VACUUM WITH DRY NITROGEN WAIT EVACUATE BREAK VACUUM WITH DRY NITROGEN lt Ela EVACUATE Vv CHECK FOR TIGHT DRY SYSTEM IF IT HOLDS DEEP VACUUM RELEASE CHARGE INTO SYSTEM Fig 23 Triple Evacuation Method Final Tubing Check IMPORTANT Check
6. The frequency of sending to 341 chip 06 Indoor unit evaporator outlet temp heating T2 If the temp is lower than O degree the digital display tube will show 0 If the temp is higher than cooling T2B 70 degree the digital display tube will show 70 07 Condenser pipe temp T3 If the temp is lower than 9 degree the digital display tube will show 9 If the temp is higher than 70 degree the digital display tube will show 70 If the indoor unit is not connected the 08 Outdoor ambient temp T4 digital display tube will show The display value is between 13 129 degree If the temp is lower than 13 degree the digital display tube will show 13 If the temp is higher than 99 degree the digital display tube will show 09 Compressor discharge temp T5 single digit and tens digit For example the digital display tube show 0 5 it means the compressor discharge temp is 105 degree the digital display tube show 1 6 it means the compressor discharge temp is 116 degree 10 AD value of current The display value is hex number 11 AD value of voltage 12 Indoor unit running mode code Off 0 Fan only 1 Cooling 2 Heating 3 13 Outdoor unit running mode code Off 0 Fan only 1 Cooling 2 Heating 3 Forced cooling 4 14 EXV l Actual data 4 If the value is higher than 99 the digital display tube will show single digit and tens digit a Da okt For example the digital display tube show 2 0
7. Power off then restart the unit 3 minutes later Yes v Check if the temperature No Clear up the air inlet and outlet or the heat exchanger of indoor and outdoor units Check the overload No of compressor Yes Check refrigerant system Yes y protector Correct the connection Yes v Measure the resistance between the two ports of No Replace the OLP the OLP Is it zero Yes Replace the outdoor control PCB Fig 51 Troubleshooting 46 Inverter compressor drive error diagnosis and solution P4 Error Code P4 Malfunction decision conditions including An abnormal inverter compressor drive is detected by a special detection circuit communication signal detection voltage detection compressor rotation speed signal detection Supposed causes e Wiring mistake IPM malfunction Outdoor fan ass y faulty Compressor malfunction Outdoor PCB faulty Check the wiring between main PCB and compressor Correct the connection or replace Yes gt the wires and connectors No M Repl he IPM board Check the IPM No eplace the board or replace the main PCB Yes v Check the outdoor fan and the No gi kn Gs E ne See k n d outdoor unit ventilation A ee ee malfunction Yes v Chec
8. bar E 57 13 89 SSS 37 2 78 Fig 54 Pressure Bar 51 Outdoor temp DISASSEMBLY INSTRUCTIONS CASSETTE INDOOR UNIT No Parts name Procedures Remarks Remove the 3 Open the grille p wt wi Se Wu Wu Grill switch 4 Remove the filter Note the filter is easy to be damaged be careful when removing it 5 Remove the grille e Screw off two screws Disconnect the display board wire and swing motor wire connected to the PCB e Remove the grille Al willl E Wl Vi K A I oo d y W e Fi AN UL ak dai di Te YA a a UR SS A WW V ill an NS 45 l UN SH li Ki Ka display board wire kat i d GN 1 RW KE e e swing motor wire 5 Loose the four screws and two wireropes then the panel can be disassembled ee Remove the wad 3 Disassemble the display om board De e Remove the display 52 board cover 4 screws Remove the display board 4 screws Remove the swing 2 Unscrew the 3 screws to motor remove the swing motor assy 3 screws 3 Unscrew 1 screw to remove the swing motor Remove the 1 Open the grille Repeat the operation of step1 of No 1 No need PC to remove the panel 2 Disassemble the electronic control box cover after remove the 2 screws 53 3 Pull out all the dsarten connection wires to other parts then the PCB c
9. temperature rising the indoor fan runs at super breeze When the compressor is running the indoor fan is controlled Outdoor fan running rules In cooling mode the outdoor fan runs according to Fig 24 T4 i 82 4 F28 Q H m 78 8 F260 16220 N M A 68 0 H20 0 L Fig 24 Outdoor fan running rules Condition of defrosting T4 lt 32 F 0 C When the unit is running and the following two items are satisfied the unit starts defrosting The units run with T3 lt 37 4 F 3 C for 40 minutes and T3 keeps lower than TCDI F for more than 3 minutes The units run with T3 lt 37 4 F 3 C for 80 minutes and T3 keeps lower than TCDI 35 6 F 2 C for more than 3 minutes T4 lt 32 F 0 C If the 1st condition and 2nd condition items are satisfied then the program judges if T2 has decreased more than 41 F 2 C When T2 has decreased more than 41 F 2 C enter the defrosting mode No matter what value T4 is if the machine runs with T3 lt 37 4 F 3 C for more than 120 minutes and T3 keeps lower than TCDI 39 2 F 4 C for more than 3 minutes the machine enters the defrosting mode no matter if T2 drops more than 41 F 5 C or not Condition of ending defrosting If any one of the following items is satisfied the defrosting mode finishes and the machine returns to the normal heating mode T3 rises to be higher than TCDE 1 F T3 keeps to be higher than TCDE 4 F for 80 seconds The machi
10. 0 3 3V CN22 Input Pin1 3 3V Pin2 0 3 3V CN37 Output 230VAC High voltage CN9 1 CN32 1 Output Connection of the high voltage CN1 Input 230VAC High voltage CN2 Input 230 VAC High voltage CN3 Connection to the earth CN16 Output Connection of the high voltage CN26 CN27 Output High voltage for 4 way control CN7 Output Pulse 0 320VDC for DC FAN UV W Output Pulse 0 320VDC for COMPRESSOR 25 REFRIGERATION CYCLE DIAGRAMS INDOOR UNIT Pressure measurement Gauge attaching port Vaccum pump connecting port 4 way valve AHD E N marmer Propeller fan OUTDOOR UNIT Indoor heat exchanger Jl Cp Pulse Modulating ded Valve at liquid side Strainer NOTE mas leak check position Refrigerant flow Cool ing Refrigerant flow Heating Fig 19 Refrigerant Cycle Diagrams REFRIGERANT LINES General refrigerant line sizing 1 The outdoor units are shipped with a full charge of R410A refrigerant All charges line sizing and capacities are based on runs of 25 ft 7 6 m For runs over 25 ft 7 6 m consult long line section on this page for proper charge adjustments 2 Minimum refrigerant line length between the indoor and outdoor units is 10 ft 3 m 3 Refrigerant lines should not be buried in the ground If it is necessary to bury the lines not more than 36 in 914 mm should be buried Provide a minimum 6 in 152 mm vertical r
11. 86 7 97078 70 158 1 64691 110 230 0 47256 9 16 58 7079 31 88 7 62411 71 160 1 59068 111 232 0 45957 8 18 56 3694 32 90 7 29464 72 162 1 53668 112 234 0 44699 7 19 52 2438 33 91 6 98142 73 163 1 48481 113 235 0 43482 6 21 49 3161 34 93 6 68355 74 165 1 43498 114 237 0 42304 5 25 46 5725 35 95 6 40021 75 167 1 38703 115 239 0 41164 4 25 44 36 97 6 13059 76 169 1 34105 116 241 0 4006 3 27 41 5878 37 99 5 87359 71 171 1 29078 117 243 0 38991 2 28 39 8239 38 100 5 62961 78 172 1 25423 118 244 0 37956 1 30 37 1988 39 102 5 39689 79 174 1 2133 119 246 0 36954 0 32 35 2024 40 104 5 17519 80 176 1 17393 120 248 0 35982 1 34 33 3269 41 106 4 96392 81 178 1 13604 121 250 0 35042 2 36 31 5635 42 108 4 76253 82 180 1 09958 122 252 0 3413 3 37 29 9058 43 109 4 5705 83 181 1 06448 123 253 0 33246 4 39 28 3459 44 111 4 38736 84 183 1 03069 124 255 0 3239 5 41 26 8778 45 113 4 21263 85 185 0 99815 125 257 0 31559 6 43 25 4954 46 115 4 04589 86 187 0 96681 126 259 0 30754 7 45 24 1932 47 117 3 88673 87 189 0 93662 127 261 0 29974 8 46 22 5662 48 118 3 73476 88 190 0 90753 128 262 0 29216 9 48 21 8094 49 120 3 58962 89 192 0 8795 129 264 0 28482 10 50 20 7184 50 122 3 45097 90 194 0 85248 130 266 0 2777 11 52 19 6891 51 124 3 31847 91 196 0 82643 131 268 0 27078 12 54 18 7177 52 126 3 19183 92 198 0 80132 132 270 0 26408 13 55 17 8005 53 127 3 07075 93 199 0 77709 133 271 0 25757 14 57 16 9341 54 129 2 95896 94 201 0 75373 134 273 0 25125 15 59 16 1156 55 131
12. DUCTED CONTINUED H WIRING DIAGRAM ne Driver M 51 INDOOR UNIT gea 202052290108 FOR TEMP COMPENSAT lON HEATING DC MOTOR EM DRIVER MODLE FACTORY SETTING on W j O ai 0 Ga ge zi ENGZ res Ai d Si G ic de FOR ANTI COLD WIND Dr K Si Si i AK MOTOR CONTROL THEN FAN HO POWER OH REQUEST ta 0 F a L OUTDOOR MAIN PCB CNi E EENEG URAL Gu KR CH23 Remola Coniral Eb ab a d Ep Se Em ge This symbol indicates the element is optional the actual shape shall preval INDOOR UNIT MAINBOARD NEWEAN Bemmel i a teta M SS wi i n El 2 SO PUMP i Pe E DISPLAY 5 TO WIRE i d BOARD CONTROLLER A 3 Ki EE AAD Ta BLACK MIDDLE AIRE TEMP KLOS n WHITE ROOM TEMP CN33 Alanm Culou 202037891203 DISCHARGE SENSOR ELLE AUE PRAL IO H d KNIT E TO OUTDOOR LMIT d SUPPLY FOR INDOOR PONER SUPPLY dh Fig 14 Wiring Diagram Ducted Size 18 Table 15 Input and Output Size 18 Indoor unit Outdoor unit CODE PART NAME CODE PART NAME CN1 Input 230VAC High voltage Connection of the terminal CN7 CNS Input 230V High voltage CN2 Input 230VAC High voltage Connection of the terminal CN2 Output Connection of the high voltage CN3 CN26 Output UN Connection of the earth CN3 CN4 Output High voltage for 4 way control CNS
13. SS menn Hanging arm 0 63 16 Drain pipe Fig 3 Indoor unit Table 6 Floor Console Dimensions and Weight Unit size 9 12 Height in mm 8 27 210 8 27 210 Width in mm 27 56 700 27 56 700 Depth in mm 23 62 600 23 62 600 Weight Net Lb kg 32 41 14 7 32 41 14 7 DIMENSIONS OUTDOOR md e n m Air outlef d Fig 4 Outdoor unit Table 7 Outdoor Dimensions and Weight Unit Size W in mm D in mm H in mm L1 in mm L2 in mm SE 9K 31 8 810 12 2 310 21 9 558 21 6 549 12 8 325 82 4 37 4 12K 31 8 810 12 2 310 21 9 558 21 6 549 12 8 325 82 4 37 4 18K 33 2 845 12 6 320 27 5 700 22 0 560 13 1 405 102 5 46 5 24K 37 2 945 15 5 395 31 8 810 25 2 640 15 9 405 137 5 62 4 36K 37 2 945 15 5 395 31 8 810 25 2 640 15 9 405 137 5 62 4 48K 36 93 938 15 4 392 53 9 1369 24 9 634 15 9 404 220 100 10 CLEARANCES INDOOR CASSETTE U VS a CH ke Y Pa AS A A eat Li a a S 4 L Z y sf LL SN W i 394in 1000 239 4n 1000 gt 394in 1000 sJ 239 Ain 11000 39 Ain 1000 1 AIRE Unit in mm 2 Air outlet Fig 5 Indoor Unit Clearance CLEARANCES DUCTED INDOOR 7 874in 200mm 5 11 811in 300mm 4 N K X EEETAIL ELITE ITI TT KR 7 I 23 622in x 23 622in 600mm x 600mm checking orifice Fig 6 Indoor
14. be used as the communication wire from the outdoor unit to the indoor unit Please use a separate shielded 16GA stranded control wire 14 CONNECTION DIAGRAMS CONNECTING CABLE fin on 0 OUTDOOR TO INDOOR Main Power Supply Signal Indoor Unit Sianal Power Supply do Less Ns 2082307150 Wee 2082307150 CONNECTING CABLE OUTDOOR TO INDOOR SHIELDED WIRE CONNECTING OUTDOOR TO INDOOR Lil al Q52 Indoor Unit Nonpolar RS 485 Nonpolar RS 485 Power Supply communication communication Power Surely Power Supply 208230150 EE Fig 10 Connection Diagrams Sizes 36 amp 48 Notes 1 Do not use thermostat wire for any connection between indoor and outdoor units 2 All connections between indoor and outdoor units must be as shown The connections are sensitive to polarity and will result in a fault code 15 WIRING DIAGRAMS CASSETTE called Inner Driven dee y OGMotor ll ll ll Te ER HEATER CRANKCASE HEATER CRANKCASE Fig 11 Cassette Sizes 9 amp 12 l ki TO WIRE y Alarm l Remote NEWFAN Output 1 i CONTROLLER 5 l Control AN 1 I INDOOR UNIT KEE EK MAINBOARD SR mr EK 2212 BLACK ARE WHITE ROOM TEMP LELE a Table 12 Input and Output Cassette Sizes 9 amp 12 Indoor unit Outdoor unit CODE PART NAME CODE PART NAME CN1 Input 230VAC High voltage Connec
15. the setting temperature 4 When the unit is running with follow me function if the PCB does not receive any signal from remote controller for 7 minutes or pressing FOLLOW ME button again the follow me function will be turned off automatically and the temperature controls the unit according to the room temperature detected from its own room temperature sensor and setting temperature Self Clean For heat pump models which are provided with this function after running in cooling or drying mode if the user press Self Clean button on remote controller indoor unit runs in fan only mode for 13 minutes then low heat operation and finally in fan only again This function can keep the inside of indoor unit dry and prevent breeding of mold Refrigerant Leakage Detection With this new technology the display area shows EC when the outdoor unit detects refrigerant leakage This feature is only available in the cooling mode for 1 to 1 systems T2 indoor coil temp Tcool sample temp of T2 when the compressor starts During the first 5 minutes after compressor s start if the situation that T2 lt Tcool 3 6 F does not last for 4 seconds continuously the system records suspected refrigerant leakage once and the compressor stops If the above case happened three times continuously the system judges refrigerant leakage The indoor unit indicates error code EC and the unit turns off automatically Refrigerant leakage co
16. to be certain factory tubing on both indoor and outdoor unit has not shifted during shipment Ensure tubes are not rubbing against each other or any sheet metal Pay close attention to feeder tubes making sure wire ties on feeder tubes are secure and tight Defrost Defrost on heat pump units is controlled by the microprocessor and is initiated if either of the following conditions occur 1 If the outdoor temperature T4 gt 32 F 0 C The outdoor coil temperature T3 has been lower than 37 F 3 C for about 40 minutes During that time the coil temperature is lower than TCDI for more than 3 minutes 2 If the outdoor temperature T4 lt 32 F 0 C If the conditions described above are met the program judges if the evaporator coil temperature T2 has decreased more than 41 F 5 C When the evaporator coil temperature has decreased more than 41 F 5 C the defrost mode starts 3 At any value of outdoor ambient temperature T4 If the machine runs with a condenser coil temperature lower than 37 F 3 C for more than 120 minutes and the outdoor coil temperature T3 has been lower than TCDI 39 F for more than 3 minutes the machine enters the defrost mode Where TCDI 7 C 19 4 F Indoor fan running rules Indoor fan speed can be set as high medium low silent mode or auto mode During all the fan speeds the anti cold wind function is preferential If the compressor stops caused by the room
17. 2 84421 95 203 0 73119 135 275 0 24512 16 61 15 3418 56 133 2 73823 96 205 0 70944 136 277 0 23916 17 63 14 6181 57 135 2 63682 97 207 0 68844 137 279 0 23338 18 64 13 918 58 136 2 53973 98 208 0 66818 138 280 0 22776 19 66 13 2631 59 138 2 44677 99 210 0 64862 139 282 0 22231 48 Appendix 2 Table 29 Temperature Sensor Resistance Value Table for T5 t K de F K Ohm C F K Ohm eC F K Ohm 6 F K Ohm 20 4 542 7 20 68 68 66 60 140 13 59 100 212 3 702 19 2 511 9 21 70 65 62 61 142 13 11 101 214 3 595 18 0 483 22 72 62 73 62 144 12 65 102 216 3 492 17 1 455 9 23 13 59 98 63 145 12 21 103 217 3 392 16 3 430 5 24 75 57 37 64 147 11 79 104 219 3 296 15 5 406 7 25 71 54 89 65 149 11 38 105 221 3 203 14 7 384 3 26 79 52 53 66 151 10 99 106 223 3 113 13 9 363 3 27 81 50 28 67 153 10 61 107 225 3 025 12 10 343 6 28 82 48 14 68 154 10 25 108 226 2 941 11 12 325 1 29 84 46 11 69 156 9 902 109 228 2 86 10 14 307 7 30 86 44 17 70 158 9 569 110 230 2 781 9 16 291 3 31 88 42 33 71 160 9 248 111 232 2 704 8 18 275 9 32 90 40 57 72 162 8 94 112 234 2 63 7 19 261 4 33 91 38 89 73 163 8 643 113 235 2 559 6 21 247 8 34 93 37 3 74 165 8 358 114 237 2 489 5 25 234 9 35 95 35 78 75 167 8 084 115 239 2 422 4
18. 24VDC Between Pin2 of CN1 Connection of the S signal 17 WIRING DIAGRAMS DUCTED nT WIRING DIAGRAM E MA eontroLER INDOOR UNIT Ee leben 202052290108 TH EU Jr FOR TEMP COMPENSATION HEATING M BOTTE nn Jam 2 i iz 12 ern tea INDOOR UNIT sm N jer jim os d Man yt Fi IF FOR SETTING STATIC PRESSURE SETTING SE SW3 ATO RESTAKT ACTIVE INACTIVE FAN MOTOR CONTROL THEN FAN FAN CN23 _CN33 ER oer KBBI KK ON OFF ALARM j FACTORY SETTING S HG ar _ Netaporess 0 15 16 31 SC es TI Son Se EE i 202037891203 BLUE BLIJE Be ACTOR OUTDOOR MAIN PCB COMPRESSOR waere e w SE BLACK 08 kas ap Ei INES pue wn AE RER oxy ioan a 7 IT PET PENES VALNE 12 t1 L2 sletelele dira T POWER SUPPLY mm mm em mn en A n n rs rm rm rm rm es mem em em en en em mm Ss SS SS Se SS SS A gt KS mm d pom rm mm rm mm mm rm mm rm rm rr rm rs rm rs rm mm mm rm mm mmer CA Fe zZ Fig 13 Wiring Diagram Ducted Sizes 09 amp 12 Table 14 Input and Output Ducted Sizes 9 amp 12 3 MAINBOARD 777777 nn Pm mm mm a DE D This symbol indicates the element is optional the actual shape shall prevail SEA sa me RED en I I RED Reactor min manen ae 1 HI HI CH NEWFAN keet kee Wa 7 sl 2 gd EI PUMP f l en LE E D
19. 25 222 8 36 97 34 32 76 169 7 82 116 241 2 357 3 27 211 4 37 99 32 94 71 171 7 566 117 243 2 294 2 28 200 7 38 100 31 62 78 172 7 321 118 244 2 233 1 30 190 5 39 102 30 36 79 174 7 086 119 246 2 174 0 32 180 9 40 104 29 15 80 176 6 859 120 248 2 117 1 34 171 9 41 106 28 81 178 6 641 121 250 2 061 2 36 163 3 42 108 26 9 82 180 6 43 122 252 2 007 3 37 155 2 43 109 25 86 83 181 6 228 123 253 1 955 4 39 147 6 44 111 24 85 84 183 6 033 124 255 1 905 5 41 140 4 45 113 23 89 85 185 5 844 125 257 1 856 6 43 133 5 46 115 22 89 86 187 5 663 126 259 1 808 7 45 127 1 47 117 22 1 87 189 5 488 127 261 1 762 8 46 121 48 118 21 26 88 190 5 32 128 262 1 717 9 48 115 2 49 120 20 46 89 192 5 157 129 264 1 674 10 50 109 8 50 122 19 69 90 194 5 130 266 1 632 11 52 104 6 51 124 18 96 91 196 4 849 12 54 99 69 52 126 18 26 92 198 4 703 13 55 95 05 53 127 17 58 93 199 4 562 14 57 90 66 54 129 16 94 94 201 4 426 15 59 86 49 55 131 16 32 95 203 4 294 16 61 82 54 56 133 15 73 96 205 4 167 17 63 78 79 57 135 15 16 97 207 4 045 18 64 75 24 58 136 14 62 98 208 3 927 19 66 71 86 59 138 14 09 99 210 3 812 Appendix 3 Table 30 Temperature Sensor Resistance Value Table C 10 11 12 13 14 15 16 17 18 19 20 21 22 F 48 50 52 54 56 58 60 62 64 66 68 70 72 C 23 24 25 26 27 28 29 30 31 32 33 34 35 F 74 76 78 80 82 84 86 88 90 92 94 96 98 49 IPM continuity check Turn off the power let the large capacity electr
20. 3 4 3 0 11 85 2 23 0 32 240 35 55 Table 11 Floor Console UNIT OPER VOLTAGE COMPRESSOR OUTDOOR FAN INDOOR FAN Gre Go SIZE MAX MIN MCA V PH HZ RLA V PH HZ FLA HP W V PH HZ FLA HP W 9 5 3 3 0 053 40 0 21 0 027 20 15 15 253 187 208 230 1 60 208 230 1 60 208 230 1 60 12 5 7 3 0 053 40 0 21 0 027 20 15 15 Permissible limits of the voltage range at which the unit will operate satisfactorily LEGEND FLA Full Load Amps MCA Minimum Circuit Amps RLA Rated Load Amps WIRING All wires must be sized per NEC National Electrical Code or CEC Canadian Electrical Code and local codes Use Electrical Data table MCA minimum circuit amps and MOCP maximum over current protection to correctly size the wires and the disconnect fuse or breakers respectively Per caution note only copper conductors with a minimum 300 volt rating and 2 64 inch thick insulation must be used The use of BX cable is not recommended A CAUTION EQUIPMENT DAMAGE HAZARD Failure to follow this caution may result in equipment damage or improper operation e Wires should be sized based on NEC and local codes e Use copper conductors only with a minimum 300 volt rating and 2 64 inch thick insulation A CAUTION EQUIPMENT DAMAGE HAZARD Recommended Connection Method for Power and Communication Wiring Power and Communication Wiring The main power is supplied to the outdoor unit The field supplied 14 3 power communication wiring from the outd
21. 4 570 25 47 647 22 44 570 25 47 647 22 44 570 25 47 647 Packing Height in mm 11 42 290 4 84 123 11 42 290 4 84 123 11 42 290 4 84 123 Width in mm 25 79 655 28 15 715 25 79 655 28 15 715 25 79 655 28 15 715 Depth in mm 25 79 655 28 15 715 25 79 655 28 15 715 25 79 655 28 15 715 Weight Gross Ibs kg 41 88 19 9 92 4 5 41 88 19 9 92 4 5 46 3 21 9 92 4 5 Weight Net Ibs kg 35 27 16 5 51 2 5 35 27 16 3 9125 39 68 18 5 51 2 5 DIMENSIONS DUCTED INDOOR d install hanger PI 0 9825 Drain fi Electric control box Fresh air intake i Air filter optional air inlet from bottom side Fig 2 Indoor unit Table S Ducted Dimensions and Weight Outline Air outlet Air return Hanger Refrigerant dimensions opening size opening size Brackets Pipe Locations Size A B C D E F G H I J K L M H H2 wi w2 a SC al 221630 En SS SE ee Sr a Ga SEN Ao e GE GE oe SE 1 ae SC 22998 SC Ge an ney dia SE an 2100 SE S SC SC SE S 1e SC GE 23 62 SC 25 0 SE on SE ls Si 2180 SC Ee SCH a SE See at a 0 2307 SC 2263 SC ey SE e a An As SE Se Ge SE Se s Sr en SE Se 2 5 65 SCH SE a GE Ga kI SE a SE GE SEH GE a SEN Ge SE SC SS ER Sc LEG an n an es Bee E SE GE Se So DIMENSIONS FLOOR EE INDOOR ji ij gj nn N UIA A IA A 23 62 600
22. 40MBC 40MBD 40MBF 38MAQ 38MBQ 619RC 619RD 619RF 538PR 538RR Cassette Ducted Floor Console Single Zone Ductless Split System Sizes 09 to 48 Service Manual TABLE OF CONTENTS PAGE SAFETY CONSIDERATIONS tg eg e ds di 1 INTRODUCTION a ies Ser ee a de ae 1 SERIAL NUMBER NOMENCLATURE 2 STANDARD FEATURES AND ACCESSORIES 3 SPECIFICATIONS yorsay kaa ear yaya ad s 4 6 DIMENSIONS CLEARANCES 7 16 ELECTRICAL DATA i905 os wes ht Sedo iris 14 WIRING arte tos EEN NA 14 CONNECTION DIAGRAMS 5 04236 En dako date msn ide 15 WIRING DIAGRAMS ere dias EEN 19 24 SOUND PRESSURE Ars sra tiara 25 REFIGERATION CYCLE DIAGRAMS 26 SYSTEM EVACUATION AND CHARGING 27 TROUBLESHOOTING 0 ewo atan iras benemen 31 ETA KEE 51 SAFETY CONSIDERATIONS Installing starting up and servicing air conditioning equipment can be hazardous due to system pressures electrical components and equipment location roofs elevated structures etc Only trained qualified installers and service mechanics should install start up and service this equipment Untrained personnel can perform basic maintenance functions such as cleaning coils All other operations should be performed by trained service personnel When working on the equipment observe precautions in the literature and on tags stickers and labels attached to the equipment Follow all safety codes Wear safety glasses a
23. 48 3 System 538PEQOOORBMA 538PEQ012RBMA 538PEQ018RBMA 538PEQ024RBMA 538REQO36RBMA 538REQ048RBMA Indoor Model 40MBOBOOD 3 40MBQB12D 3 40MBOB18D 3 40MBQB24D 3 40MBOB36D 3 40MBOB48D 3 619REQOOODBMA 619REQ012DBMA 619REQOISDBMA 619REQOZ24DBMA 619REQO36DBMA 619REQO48DBMA Cooling Rated Capacity Btu h 9 000 11 000 16 000 23 000 36 000 48 000 Cooling Cap Range Min Max Btu h 3 500 11 000 4 000 13 000 4 500 18 000 5 500 24 500 8 500 38 000 9 000 50 000 SEER 19 0 18 0 18 5 19 0 15 5 16 5 Performance EER 13 5 12 5 12 5 12 5 8 5 8 2 Heating Rated Capacity Btu h 10 000 11 600 18 000 24 400 38 000 50 000 Heating Cap Range Min Max Btu h 4 500 11 500 5 000 13 500 5 500 19 000 6 000 26 000 9 500 50 000 10 000 55 000 HSPF 10 0 10 0 9 6 10 5 10 5 10 0 Wireless Remote Controller F C Convertible Standard SS Wired Remote Controller H C Convertible Standard EE Cooling Outdoor DB Min Max OF 4 122 Range Heating Outdoor DB Min Max F 4 86 Total Piping Length Ft 82 82 98 98 213 213 Piping Lift Ft 32 32 65 65 98 98 Piping Pipe Connection Size Liquid In 1 4 1 4 1 4 3 8 3 8 3 8 Pipe Connection Size Suction In 3 8 1 2 1 2 5 8 5 8 5 8 Type R410A Design Pressure PSIG 550 550 550 550 550 550 E Metering Device Electric Expansion Valve Capillary Tubes Electric Expansion Valve Charge Lbs 2 76 2 76 4 19 5 18 7 5 9 48 Face Area Sq Ft 9 2 9 2 16 0 21 1 8 2 14 1 Outdoor No Rows 2 2 2 3 2 6 2 0 Coil Fins per inch 21 21 18 18 17 17 0 Cir
24. AZ WEN SET meel a 36 S S WI 1 ORE LEAVING THE FACTORY AMYOME CAM T BEFORE WIFE IT DEET THE MADNTENA NOE PERSON HOT KCE 7 l PLEASE CUT OFF THE JUMPER Jt IF YOU ET M n WOTE PLease uae II LECH KONKRET THE HET MODULE JI n d l MOT ICE I F 1 ka es e em wen pm on zm en zm on a Li l A mm em mm mm vm om em vm mm vm vm zm emm em em em om pm ben A ee mm zm pm mm om zm mm mm mm mm vm mm zm 2 J KE DA HEATER CRANKCASE Fig 18 Wiring Diagram Floor Console Sizes 9 and 12 Table 19 Input and Output Floor Console Sizes 9 amp 12 Indoor Unit Control Board CODE PART NAME CN1 Input 230VAC High voltage Connection of the terminal CN2 Input 230VAC High voltage Connection of the terminal CN3 Output 24VDC Between CN2 Connection of the S signal CN6 Output 12VDC Connection of the Lower outlet swing motor CN7 Output SVDC Connection of the Room and Pipe temperature CN10 Output 12VDC Connection of the Display board CN13 Output 12VDC Connection of the Upper outlet swing motor CN15 Output 1 5VDC Connection of the Switch board CN16 Output 320VDC Connection of the Fan high voltage CN20 Output SVDC Connection of the Net module CN23 Output 1 12VDC Connection of the Remote switch Outdoor Unit Control Board CODE PART NAME CN31 Output PinS amp 6 12V Pin1 Pin4 Pulse waveform 0 12V CN21 Input Pin3 4 3 3V Pin2 OV Pin1 Pin5
25. CESSORIES Ease Of Installation INDOOR UNITS ACCESSORIES 09 Mounting Brackets Grille a Low Voltage Controls a se at ku ee To maximize shipping efficiency the grille for the in ceiling Comfort Features l cassette Is set up as an accessory Microprocessor Controls ak Wired Remote Control NOTE Grille is required Wireless Remote Control Automatic Horizontal Air Sweep OUTDOOR UNITS Air Direction Control Auto Restart Function Crankcase Heater Cold Blow Protection On Heat Pumps Standard on all unit sizes Heater clamps around compressor oil Freeze Protection Mode On Heat Pumps stump Turbo Mode Silence Mode Auto Changeover On Heat Pumps DI DNDN NNN PIO Follow Me Energy Saving Features Sleep Mode Stop Start Timer 46 F Heating Mode Heating Setback Safety And Reliability 3 Minute Time Delay For Compressor Over Current Protection For Compressor Indoor Coil Freeze Protection Indoor Coil High Temp Protection in Heating Mode DAD DD 0 Condenser High Temp Protection in Cooling Mode Ease Of Service And Maintenance LO Cleanable Filters Diagnostics min Liquid Line Pressure Taps Application Flexibility Condensate Pumps A Crankcase Heater S Base pan Heater S Legend S Standard A Accessory SPECIFICATIONS CASSETTE HEAT PUMP Table 1 Casse
26. CN7 Output Pulse 0 380VDC for DC FAN CN51 CN52 Output Connect PFC Inductance high DC Voltage CN53 CN54 Input Power input for DRIVER BOARD 230V AC CN55 Output Communication IPM Board and Main board Pin1 12V DC Pin2 5V DC 21 WIRING DIAGRAMS DUCTED CONTINUED Outer Driver DC Motor Lee i mm em of INDOOR UNIT MAINBOARD DC RICHTER DRIVER MOODLE CN26 A i i tb i ee Type iZ AN Celling Floor Type I CH23 H CN33 1 GMD CN 26 al DC MOTOR r DRIVER MODLE 5 Wedel DION DIGI MIE 5 IE Y X Ga EP ON OFF Papert I F Li i wm i F aen KN a L j n E EE EE M ta d A 1 ui TE Car eg e H W i 53 G ile al TI TT wee j li I l 1 m II e 1 TL LI de a SE GH mol a Outer Driver W To cuig oof Li Piamcig i l Alarm i Ze A DC Motor mean Dal Mi Contra 1 Opt if To CUM Ta butaa l KEE atiri ke zs ss Comm Dun Casen Bu I ec ee eae ae ae ee e mem 1 e Iren emr e mr menn mem IFM amp PFC BOARD Applicab s to the units acog a ing AL metas mh 7 MAIN BOARD Ceiling Floor Type CNA Bess Es Ae EE d ges i AS 0 DISPLAY _1 TOWIRE CHIO CN TOA BOARD CONTROLLER 7 li a Far CNS 5 ee Tz ei BLACK MIDOLE PIPE TEMP l hi nn nn Ti ICNS CNT WHITE ROOM TEMP i Ea C minin Et A A ID T2B ka oll Baca wa OUTER PIPE TEMP i 1 wei ai i cs i L tz 8 TU ff rout WIRING
27. CTIONS FLOOR CONSOLE INDOOR UNIT Parts Procedures Remarks name push push Remove Slide the two the Filter stoppers on the left and right sides to open the front panel Remove the filter Remove 1 Remove the air the front panel electronic control box Allowing the front panel to fall forward will enable you to remove it 3 Remove four fixing screws to remove the panel frame assembly 63 4 Remove the H installation FV SRGASNI plate of electric En A ki KZ SR parts CS WA De Remove the m fixing board of d Ar ix q electronic gt We Control box e 08 ER Disconnect the DC motor wire pipa 2 louver motor z Louver motor connector wires ed evaporator coil ak temperature yl A Screws of the grounding wire SERSES Wire A Louver motor connector ane 2 A DC motor connector grounding wire Sd yellow green ah to remove the electronic control box Remove Take out the Repeat the operation of step1 step6 of No2 the PCB electronic control box from the body and remove its cover 64 2 Disconnect all the wires of plugs connected to the PCB Remove two fixing screws to remove the PCB Remove Remove the Repeat the operation of step1 step of No2 the display electronic control box Remove the fixing glue to remove the display board Remove Remove the Repeat the operation of step1 step of No2 the switch electronic control box Remove the fixing
28. DIAGRAM OUTDOOR UNIT POWER SUPPLY MAIN DROCK 2020757940637 Gode PART MAME COMPRESSOR UID Ve anan mm do SS Ep DIODE MOULE Pri D am TO INDOGA MM BUS Fa ah beton d piti Applicable to the units L SE Se Zut o at E EET EN nnee en E g ie AWAY WALVE SES Gen Fig 17 Wiring Diagram Ducted Size 48 Table 18 Input and Output Ducted Size 48 CODE PART NAME Outdoor unit main board Indoor unit CN1 CN3 Power input 230V AC CN1 Input 230VAC High voltage Connection of the terminal CN2 CN4 Output Power output for DRIVER BOARD 230V AC CN2 Input 230VAC High voltage Connection of the terminal CNS Input Communication Main board and IPM Board Pin1 SV DC CN3 Output OV Connection of the earth CN6 Input DC FAN motorl and DC FAN motor2 control Pin7 5V DC CNS Output 0 5VDC Connection of the Water level switch CN8 CN9 CN12 Input Temperature sensor SV DC CN6 Output SVDC Connection of the Room and Pipe temperature CN10 Input Pressure test SV DC CN7 Output 5VDC Connection of the Outer Pipe temperature CN15 Output PMV control Pin5 12V DC Pin6 12V DC CN9 Output SVDC Connection of the CCM and RS 485 CN17 CN18 Output High voltage for 4 way SV control 230V AC CN10 CN10A Output 12VDC Connection of the Display board CN19 CN20 Output High voltage for HEAT D control 230V AC CN13 Outpu
29. E CONTROLLER A dl mn T2 BLACK MIDDLE PIPE TEMP sz lez SUS ANO REA _ El Ke E RE BDO n E FAN MOT DR eno x L E DEF BI BE a I R I ELN LL EEn A oton AA LI Fi 4 I l i E BLACK YELLOW E EE a It mung pre na EERDE EN TEA DUT zunn DUT DUT vn zeg aan DARA 202038090851 UTD Ar EMT Ts TEN TIRE LENTA TICOTT ten Tarim Tee Sms ET ja bm CHO Ti d 4 k A F mu ye E YELLOW K BLACK RARIE TRANT MANE ws DI du s Lil EYG T IHD PORER SUPPLY Fig 15 Wiring Diagram Ducted Size 24 Table 16 Input and Output Ducted Size 24 Indoor unit Outdoor unit CODE PART NAME CODE PART NAME CN1 Input 230VAC High voltage Connection of the terminal CN17 EE EE CN2 Input 230VAC High voltage Connection of the terminal CN7 Input Pin1 3 3V Pin2 0 3 3V TP CN3 CN26 Output OV Connection of the earth CN5 CN6 Output 230V High voltage for heater1 control CNS Output 0 5VDC Connection of the Water level switch CN8 CN9 Output 230V High voltage for heater2 control CN6 Output 5VDC Connection of the Room and Pipe temperature CN2 CN3 IPM BOARD Output Connection of the high voltage REACTOR CN8 CN18 Output 320VDC High voltage Connection of the Reactor CN3 MAIN BOARD Input 230V High voltage L CN9 Output SVDC Connection of the CCM CN4 Input 230V High voltage N CN10 CN10A Output 12VDC Connection of the Display bo
30. ISPLAY 5 TOWIRE 1 BOARD CONTROLLER aaa REL ZAD 12 BLACK MIDDLE PIPE TEMP Kip SS TI WHITE ROOM TEMP Indoor unit Outdoor unit CODE PART NAME CODE PART NAME CN1 Input 230VAC High voltage Connection of the terminal CN7 CNS Input 230V High voltage CN2 Input 230VAC High voltage Connection of the terminal CN2 Output Connection of the high voltage CN3 CN26 Output OV Connection of the earth CN3 CN4 Output High voltage for 4 way control CNS Output 0 5VDC Connection of the Water level switch CN11 CN16 Output 230V High voltage for HEATER CN6 Output SVDC Connection of the Room and Pipe temperature CNS Output Pulse 0 320V for DC FAN CN8 CN18 Output 320VDC High voltage Connection of the Reactor CN12 CN13 Output Connection of the high voltage CN9 Output SVDC Connection of the CCM UV W Output Pulse 0 320V for compressor CN10 CN10A Output 12VDC Connection of the Display board CN10 Input Pin1 5V Pin2 0 5V CN11 CN14 Output 220VAC High voltage Connection of the New Fan CN1 Input Pin3 4 SV Pin2 0V Pin1 PinS 0 5V CN13 Output 220VAC High voltage Connection of the Pump CN18 e a CN15 Output 320VDC High voltage Connection of the Fan board CN23 Output 1 12VDC Connection of the Remote switch CN33 Output UN Connection of the Alarm CN40 Output 12VDC Connection of the Wire controller CN41 Output 24VDC Between CN2 Connection of the S signal 18 WIRING IAS
31. LOOR CONSOLE HEAT PUMP CONTINUED Table 3 Floor Console Specifications Size 9 12 Outdoor Model 38MAQB09 3 38MAQB12 3 System 538PEQOOORBMA 538PEQ012RBMA Indoor Model 40MBOBO9OF 3 40MBQB12F 3 619REQOOOFBMA 619REQO12FBMA Cooling Rated Capacity Btu h 9 000 12 000 Cooling Cap Range Min Max Btu h 3 500 11 000 4 000 13 000 SEER 20 0 20 5 Performance EER 12 5 12 5 Heating Rated Capacity Btu h 10 000 12 000 Heating Cap Range Min Max Btu h 4 500 11 500 5 000 13 500 HSPF 10 10 Wireless Remote Controller F C Convertible Standard Controls Wired Remote Controller F C Convertible Optional Operating Ggolin Outdoor DB Min Max F 42190 Range Heating Outdoor DB Min Max F 4 86 Total Piping Length Ft 82 82 Piping Piping Lift Ft 32 32 Pipe Connection Size Liquid In 1 4 1 4 Pipe Connection Size Suction In 3 8 1 2 Type R410A e Design Pressure PSIG 550 550 Refrigerant a Metering Device Electronic Expansion Valve Charge Lb 2 76 2 76 Face Area Sq Ft 9 2 9 2 Outdoor Coil Do sows z a Fins per inch 21 21 Circuits 4 4 Face Area sq ft Sq Ft 2 1 2 1 Indoor Coil 221 E g Fins per inch 19 19 Circuits 2 2 Type Hermetic Rotary DC Inverter Compressor Model ASM98D1UFZA ASM108D1UFZA Compressor Oil Type VG74 VG74 O
32. Output 0 5VDC Connection of the Water level switch CN11 CN16 Output 230V High voltage for HEATER CN6 Output SVDC Connection of the Room and Pipe temperature CNS Output Pulse 0 320V for DC FAN CN8 CN18 Output 320VDC High voltage Connection of the Reactor CN12 CN13 Output Connection of the high voltage CN9 Output SVDC Connection of the CCM UVW Output Pulse 0 320V for compressor CN10 CN10A Output 12VDC Connection of the Display board CN10 Input Pin1 5V Pin2 0 5V CN11 CN14 Output 220VAC High voltage Connection of the New Fan CN1 Input Pin3 4 SV Pin2 OV Pin1 Pin5 0 5V CN13 Output 220VAC High voltage Connection of the Pump CN18 Output Pin5 amp 6 12V Pin1 Pin4 Pulse waveform 0 12V CN15 Output 320VDC High voltage Connection of the Fan board CN23 Output 1 12VDC Connection of the Remote switch CN33 Output UN Connection of the Alarm CN40 Output 12VDC Connection of the Wire controller CN41 Output 24VDC Between CN2 Connection of the S signal 19 WIRING DIAGRAMS DUCTED CORTA 202052290108 Ko i FOR TEMP COMPENSATION HEATING A i CODE EIA EE IE CTA l Remota Alarm METADORESS 0 16 16 31 RO ARES 48 63 Contral Output i AAA A OTI ITT OTT OTI OTI nn nna mume mm mas CO ee A EE AA er ee os anos NS E norel WIRING DIAGRAM geben i ONES This symbol indicates the element is INDOOR UNIT ae 4 optional the actual shape shall prevail INDOOR UNIT MAINBOARD Met TO WIR
33. Unit Clearance CLEARANCES FLOOR CONSOLE INDOOR LA Am 100mm apo up j Se Fig 7 Indoor Unit Clearance 12 CLEARANCES Air inlet ZS UI SAW ut OI A ds ee m H Fig 8 Clearances Outdoor Table 8 MB C Series in mm 24 609 24 609 24 609 4 101 4 101 Minimum Value UNIT 13 ELECTRICAL DATA Table 9 Cassette UNIT OPER VOLTAGE MAX MIN COMPRESSOR OUTDOOR FAN INDOOR FAN MCA ki n SIZE V PH HZ RLA V PH HZ FLA HP W V PH HZ FLA HP W 9 T 5 3 3 0 0 053 40 0 146 0 061 46 15 15 12 208 230 1 60 5 7 208 230 1 60 3 0 0 053 40 208 230 1 60 0 146 0 061 46 15 15 18 7 3 3 0 0 067 50 0 146 0 061 46 15 20 Table 10 Ducted UNIT OPER VOLTAGE MAX FUSE SIZE MAX MIN COMPRESSOR OUTDOOR FAN INDOOR FAN MCA CB AMP V PH HZ RLA V PH HZ FLA HP W V PH HZ FLA HP W d 5 3 3 0 053 40 1 03 0 07 55 15 15 12 5 7 3 0 053 40 1 03 0 07 55 15 15 l SE 208 230 1 60 Ee 208 230 1 60 3 A L 208 230 1 60 E t3 a 24 8 8 j 3 0 16 120 i 0 83 0 12 90 15 25 36 13 5 3 0 16 120 1 263 0 2 150 30 50 48 1
34. an be replaced 4 There are 2 buckles fixing the PCB To draw out the PCB you should sg EN open them JA En Ou 1 Open the grille Repeat the operation of step1 of No 1 No need TT ees on 2 Remove the electronic Repeat the operation of step 2 of No 5 3 Pull out all the plugs or Pe td connectors connected to 1 LR Py i gt the electronic control box 4 Remove the electronic control box Remove the 2 screws to disassemble the electronic 2 screws control box e Remover the fan 2 Remove the ventilation ring Release the 4 screws to disassemble it YN a N ki La m d n nn Y d 4 Ss screws 54 3 Remove the fixing nut to disassemble the fan wheel 4 Pull out the fan wheel Remove the fan motor 2 Remove the fixing board of fan motor wire 3 Remove the 5 screws to disassemble the fan motor Remove the 6 Remove the panel Repeat the operation of No 2 water 7 Remove the electronic Repeat the operation of No 6 collecting control box 55 assembly Unscrew the 4 screws inside 4 holes 1 is under a protection cover to remove the water collecting assembly 9 Take out the water collecting assembly Remove the 1 Remove the panel Repeat the operation of No 2 draining 2 Remove the electronic Repeat the operation of No 6 3 Remove the water Repeat the operation of No 9 4 Disconnect the drain pipe 5 Remove 2 screws to remove the pump s
35. ard P 1 Connection to the earth GND CN11 CN14 Output 220VAC High voltage Connection of the New Fan CN10 Output Connection of the high voltage S CN1 CN2 gen CN13 Output 220VAC High voltage Connection of the Pump MAIN BOARD Output High voltage for 4 way control CN15 Output 320VDC High voltage Connection of the CN37 Output Pulse 0 320V for DC FAN Fan board CN23 Output 1 12VDC Connection of the Remote switch UVW Output Pulse 0 320V for COMPRESSORS CN33 Output OV Connection of the Alarm CN40 Output 12VDC Connection of the Wire controller CN41 Output 24VDC Between CN2 Connection of the S signal 20 M DIAGRAMS DUCTED CONTINUED ermm Se INDOOR UNIT MAINBOARD PONE A SETTING LIN ie a Nach CHJA outer Driver D Mois Bh em mm mm e gem ll EEE kimen up TE cate la he uge di DRIVER BOARD 202075590794 EXHAUST TEMPERATURE SENSOR CONDENSER TEMPERATURE SENSOR OUTDOOR AMBIENT TEMPERATURE SENSOA PE ATN TEMFERAT URE SENSOR ing AC mou ad card LI i i Ge enn i EE Ma i aki ee MEWEAN YO Peer neg Floor Type vawing a TO INDO KOMM BUS HOTE Please use Score shielded ware MAIN BOARD D DIBFLAY _ BOARD i H qrar nn Een i TOWIRE 1 CONTROLLER Fig 16 Wiring Diagram Ducted Size 36 Table 17 Input and Output Ducted Size 36
36. ass y How to remove the fan D E EE ET ass y Fan n aal a Ge F be gt bw y DA a 1 After remove the panel plate following procedure 1 remove the hex nut fixing the fan and then remove the fan ompressor and liquid gas separator 2 Unfix the hooks and then open the electronic control box cover 70 Electrical parts Fan motor connector 3 Disconnect the connector for fan motor from the electronic control board 4 Remove the four fixing screws of the fan motor 5 Then remove the fan motor How to remove the electrical parts 1 After finish work of item 1 and item 2 remove the two connectors for the compressor and electrical heaters 71 Electronic control box Four screws Electrical heater connector Reactor connector 2 Release the connector of the reactor Compressor connector Two blue wires of four way valve 3 Pull out the two blue wires connected with the four way valve 4 Pull out connectors of E SE RE SES en y the compressor top temp ae 4 Weg Ti r Ti zet mai sensor condenser coil AS e SE Sr eN Ge Mes temp sensor T3 outdoor wer i W ambient temp sensor 14 and discharge temp sensor T5 Four connectors of temp sensors 72 5 Remove the ground wires 6 Remove the power supply wires L1 L2 S 7 Then remove the electronic control box 4 Four way How to remove the valve four way valve The picture of four wa
37. ation condition is forced cooling mode the unit will run in cooling mode for 30 minutes and turn to auto mode at a 75 F 24 C set temp If unit is off before power off and unit is required to start up now the compressor has a 1 minute delay when powered on Other conditions the compressor will have 3 minutes delay when restarts If the equipment was off before the power went off and it is required to start up after this power failure the compressor has a 1 minute delay when powering on In other conditions the compressor has a 3 minutes delay at re start Follow me 1 If the indoor PCB receives the signal which results from pressing the FOLLOW ME button on remote controller the buzzer emits a sound and this indicates the follow me function is initiated But when the indoor PCB receives signal which sent from remote controller every 3 minutes the buzzer will not respond When the unit is running with follow me function the PCB controls the unit according to the temperature from follow me signal and the temperature collection function of room temperature sensor will be shielded but the error detective function of room temperature sensor will be still valid 2 When the follow me function is available the PCB controls the unit according to the room temperature from the remote controller and the setting temperature 3 The PCB will take action to the mode change information from remote controller signal but 1t will not affected by
38. cuits 4 4 6 8 6 10 0 Face Area Sq Ft 1 4 1 4 1 4 2 0 3 5 4 2 Indoor No Rows 3 3 3 4 4 4 Coil Fins per inch 16 16 16 16 16 16 Circuits 4 4 4 6 8 8 Type Hermetic Rotary DC Inverter Compressor Model ASM98D1UFZA ASM108D1UFZA ASM135D23UFZ DA250S2C 30MT TNB306FPGMC L MNB36FAAMC L Compressor Oil Type VG74 VG74 VG74 VG74 FV50S FV50S Oil Charge Fl Oz 12 5 12 5 15 2 27 7 36 2 47 3 Rated Current RLA 5 3 5 7 7 3 8 8 13 5 13 5 Voltage Phase Cycle V Ph Hz 208 230 1 60 208 230 1 60 208 230 1 60 208 230 1 60 208 230 1 60 208 230 1 60 Power Supply Indoor unit powered from outdoor unit EE MCA A 15 15 15 15 30 35 MOCP Fuse Rating A 15 15 20 25 50 55 Unit Width In 31 9 31 9 33 3 37 2 37 2 36 9 Unit Height In 22 0 22 0 27 6 31 9 31 9 53 9 Unit Depth In 12 2 12 2 12 6 15 6 15 6 15 4 SR Net Weight Lbs 82 4 82 4 120 5 134 0 160 9 220 0 Airflow CFM 945 945 1050 1390 2940 4240 Sound Pressure dB A 56 56 59 62 65 65 Unit Width In 27 6 27 6 36 2 36 2 44 9 47 2 Unit Height In 8 3 8 3 8 3 10 6 10 6 11 8 Unit Depth In 25 0 25 0 25 0 25 0 30 5 34 1 i Net Weight Lbs 39 9 39 9 50 7 57 3 711 2 99 2 Number of Fan Speeds 3 3 3 3 3 3 Airflow lowest to highest CFM 290 340 380 290 340 380 400 440 480 590 650 810 680 940 1180 940 1180 1470 Sound Pressure lowest to highest dB A 30 33 36 30 34 38 34 37 38 43 45 48 46 50 52 41 44 46 Max Static Pressure In WG 0 18 0 18 0 40 0 40 0 40 0 40 Condensing unit above or below indoor unit SPECIFICATIONS F
39. ed causes e Water pump faulty e Indoor PCB faulty Power off then restart the unit 3 minutes later Is it still displaying the error code Yes Y If the water level switch aaa No Insert the water level switch well Yes y If the water level switch is broken No Y Replace the water pump If malfunction is still not solved Yes Replace the water level switch Yes A Replace the indoor main PCB Fig 43 Troubleshooting 41 IPM malfunction or IGBT over strong current protection diagnosis and solution PO Error Code PO Malfunction decision conditions When the voltage signal that IPM send to compressor drive chip is abnormal the display LED will show PO and AC will turn off Supposed causes Wiring mistake IPM malfunction Outdoor fan ass y faulty Compressor malfunction Outdoor PCB faulty Check the wiring between main PCB Correct the connection or replace Yes and compressor the wires and connectors No M Repl he IPM board Check the IPM No eplace the board or replace the main PCB Yes v Check the outdoor fan and the Please refer to the solution of Fan outdoor unit ventilation No Speed Has Been Out Of Control malfunction Yes y Check the compressor resistance No J Replace e co
40. er off then restart the unit 2 minutes later Yes Replace the indoor outdoor main PCB Fig 31 Troubleshooting Fig 33 Outdoor PCB NOTE The two photos above are for reference only and may differ from the items on your unit 33 Communication malfunction between indoor and outdoor units diagnosis and solution E1 Error Code El Malfunction decision conditions Indoor unit does not receive the feedback from outdoor unit during 110 seconds and this condition happens four times continuously Supposed causes e Wiring mistake e Indoor or outdoor PCB faulty Power off then restart the unit 2 minutes later y Measure Vs is it positive flucuation Vs is the voltate between S and L2 of the outdoor unit Red Probe on S No amp Black Probe on N Yes y Check the outdoor wiring connection Yes Check the indoor wiring connection Yes Replace the reactor Check whether reactor No s normal Replace the indoor main PCB Power on Is the error extinguished Yes No Replace the outdoor main PCB Power on Is the error Replace the outdoor main PCB extinguished No y Replace the indoor main PCB Fig 34 Troubleshooting 34 Remark Use a multimeter to test the DC voltage between L2 port and S port of outdoor
41. ersonal injury and or property damage Never use air or gases containing oxygen for leak testing or operating refrigerant compressors Pressurized mixtures Of air or gases containing oxygen can lead to an explosion A CAUTION EQUIPMENT DAMAGE HAZARD Failure to follow this caution may result in equipment damage or improper operation Do not bury more than 36 in 914 mm of refrigerant pipe in the ground If any section of pipe is buried there must be a 6 in 152 mm vertical rise to the valve connections on the outdoor units If more than the recommended length is buried refrigerant may migrate to the cooler buried section during extended periods of system shutdown This causes refrigerant slugging and could possibly damage the compressor at start up INTRODUCTION This Service Manual provides the necessary information to service repair and maintain the family of heat pumps Section 2 of this manual has an appendix with data required to perform troubleshooting Use the Table of Contents to locate a desired topic SERIAL NUMBER NOMENCLATURES 01 15 10001 Week of Manufacture Sequential Serial Number Year of Manufacture V ALL MODELS LID TER TE A CERTIFIED C www ahridirectory org j CN Use of the AHRI Certified TM Mark indicates a C US manufacturer s Kueren participation in the program For verification of certification for individual products go to www ahridirectory org STANDARD FEATURES AND AC
42. glue to remove the display board l Ki Le at Gr EA E e e eg d P Remove Remove the Repeat the operation of step1 step2 and step3 of No 2 the air front panel outlet assembly and grille the panel frame assembly assembly 65 Remove the louver motor of air outlet assembly Remove the louver motor of the water collector Remove the water collector Remove the 1 fixing screw to remove air outlet grille assembly Disconnect louver motor wire Remove the air outlet grille assembly Screw off the screws to remove the motor Remove the front panel assembly and the panel frame assembly Remove the cover of louver motor Unscrew the screws to remove the motor Remove the front panel assembly and the panel frame assembly Repeat the operation of No 7 to remove the air outlet grille assembly 2 screws Repeat the operation of step1 step2 and step3 of No 2 2 screws Repeat the operation of step1 step2 and step3 of No 2 66 2 Disconnect louver motor wire Louver motor connector 3 Remove 4 fixing screws to disassemble the water collector Repeat the operation of No 2 to remove the electronic control box Remove 1 Remove the the electronic evaporator control box Repeat the operation of No 7 to remove the air outlet grille assembly Remove the air assembly outlet grille assembly Remove the evaporator sensor and release the pipe strap 67 4 Rem
43. he following tools are needed when diagnosing the units e Digital multimeter Screw drivers Phillips and straight head Needle nose pliers Refigeration gauges Recommended Steps 1 Refer to the diagnostic hierarchy charts below and determine the problem at hand 2 Go to the chart listed in the diagnostic hierarchy and follow the steps in the chart for the selected problem For ease of service the systems are equipped with diagnostic code display LED s on both the indoor and outdoor units The outdoor diagnostic display is on the outdoor unit board and is limited to very few errors The indoor diagnostic display is a combination of flashing LED s on the display panel on the front of the unit If possible always check the diagnostic codes displayed on the indoor unit first The diagnostic codes for the indoor and outdoor units are listed in the appendix Safety Problems may occur that are not covered by a diagnostic code but are covered by the diagnostic flow charts These problems are typical air conditioning mechanical or electrical issues that can be corrected using standard air conditioning repair techniques For problems requiring measurements at the control boards note the following 1 Always disconnect the main power 2 When possible check the outdoor board first 3 Start by removing the outdoor unit top cover 4 Reconnect the main power 5 Probe the outdoor board inputs and outputs with a digital multi meter refer
44. he opera electronic control box 2 Disconnect the fan Repeat the operation of step2 of No1 Tasten fe 3 Unscrew the screw to remove it 1 screw 59 Remove Unscrew the fixing the fan screws to remove the motor rear cover board SY 7 5 screws Rear cover board Unscrew the fixing screws to remove the rear beam Remove room A Cut off the fastening temperature sensor belt to take off the 1 room temperature sensor Remove the sticker Remove the below volute shell Press the clips to take off the volute shell Remove the fan motor Refer the operation of step2 of No 1 wire from the electronic control box Disassemble the fan a motor fixing clamps to ki d y Eros remove the fan motor d OR assembly can be removed after assembly and fan wheel k took off the assembly Ai ki ty 2screws used to Disassemble the fan wheels then you can remove the fan motor Take off the screw to remove the fan wheel 60 Remove the 1 Remove the rear cover Repeat the operation of step1 of No 5 water board collector 2 Unscrew the screws to assembly remove the water collector assembly 3 screws Water collector assembly Remove the evaporator 2 Remove the evaporator sensor Evaporator sensor 3 Remove the pipe clamp board 2 screws 61 4 Remove the evaporator support board 5 Unscrew the fixing screws to remove the evaporator 62 DISASSEMBLY INSTRU
45. il Charge Fl Oz 12 5 12 5 Rated Current RLA 5 3 5 7 Voltage Phase Cycle V Ph Hz 208 230 1 60 208 230 1 60 Electrical Power Supply Indoor unit powered from outdoor unit MCA A 15 15 MOCP Fuse Rating A 15 15 Unit Width In 31 9 31 9 Unit Height In 22 0 22 0 Outdoor Unit Pepin In 12 2 12 2 Net Weight Lbs 82 5 82 5 Airflow CFM 945 945 Sound Pressure dB A 56 56 Unit Width In 27 6 27 6 Unit Height In 8 3 8 3 Unit Depth In 23 6 23 6 Indoor Net Weight Lbs 32 4 32 4 Number of Fan Speeds 3 3 Airflow lowest to highest CFM 220 250 280 220 250 280 Sound Pressure lowest to highest dB A 37 38 41 34 41 45 Condensing unit above or below indoor unit DIMENSIONS CASSETTE INDOOR Liquki side Gas side Body Es Ha Drain hole for Service Wiring connection port E parts box 2 4 5 90 150 Distribution duct 2 6 69 170 4 Screw hole for Install panel g EE 22 A4 570 4 install hanger 21 46 545 22 44 570 10 24 260 a 1 26 32 Draln pipe a 2 56 65 Fresh alr Intake Panel 25 47 647 k 25 47 B47 d 1 97 50 Fig 1 Indoor unit Table 4 ad 9K 12K 18K Unit size body panel body panel body panel Dimensions Height in mm 10 24 260 1 97 50 10 24 260 1 97 50 10 24 260 1 97 50 Width in mm 22 44 570 25 47 647 22 44 570 25 47 647 22 44 570 25 47 647 Depth in mm 22 4
46. ill not change SLEEP MODE FUNCTION Operation time in sleep mode is 7 hours After 7 hours the system turns off Operation process in sleep mode is as follow SLEEP MODE COOLING When in cooling mode the set temperature rises 1 8 F 1 C up to a maximum 86 F 30 C every one hour Two hours later the set temperature stops rising and indoor fan is fixed at low speed Set point Time hour Fig 27 Sleep Mode Heating When in heating mode the set temperature decreases 1 8 F 1 C down to a minimum 62 F 17 C every one hour Two hours later the set temperature stops rising and indoor fan is fixed at low speed NOTE Anti cold wind function has the priority Set point Time hour 21 Timer setting 1s available When the user uses timer off function in sleep mode or sleep function in timer off mode if the timing is less than 7 hours the sleep function cancels when the setting time is reached If the timing is more than 7 hours the machine will not stop until it reaches the set time in sleep mode AUTO RESTART FUNCTION The indoor unit is equipped with auto restart function which is carried out through an auto restart module In case of a sudden power failure the module memorizes the setting conditions present previous to the power failure The unit will automatically resume to the previous operation settings not including swing function 3 minutes after the power returns If the memoriz
47. ise to the service valves to prevent refrigerant migration 4 Both lines must be insulated Use a minimum of 1 2 in 12 7 mm thick insulation Closed cell insulation is recommended in all long line applications 5 Special consideration should be given to isolating interconnecting tubing from the building structure Isolate the tubing so that vibration or noise is not transmitted into the structure e For piping runs greater than 25 ft 7 6 m add refrigerant up to the allowable length as specified below 24 Long Line Applications 1 No change in line sizing is required 2 Add refrigerant per table below Table 20 Additional Charge Table Cassette Total Line oe Unit Length tt Additional Charge oz ft ft m SE Jee Mate 10 25 gt 25 82 gt 82 98 mn wax 3 8 8 25 25 30 a 82 0 27 12 10 None 18 82 0 43 0 43 Table 21 Additional Charge Table Ducted Total Line kise lt Length ft Additional Charge oz ft Ft m Size 10 25 25 82 Min Max gt 98 213 3 8 8 25 30 65 9 82 0 27 12 18 10 98 None 24 0 43 36 213 48 Table 22 Additional Charge Table Floor Console Total Line 7 Unit Length ft Additional Charge oz ft ft m Size 10 25 gt 25 82 9 12 10 82 None 0 27 3 Reduction in capacity due to long lines can be calculated Failure to f
48. its 2 4 4 Type Hermetic Rotary DC Inverter Compressor Model ASM98D1UFZA ASM108D1UFZA ASM135D23UFZ Compressor Oil Type VG74 VG74 VG74 Oil Charge Fl Oz 12 5 123 15 2 Rated Current RLA 5 3 5 7 7 3 Voltage Phase Cycle V Ph Hz 208 230 1 60 208 230 1 60 208 230 1 60 Power Supply Indoor unit powered from outdoor unit Electrical MCA A 15 15 15 MOCP Fuse Rating A 15 15 20 Unit Width In 31 9 31 9 33 3 Unit Height In 22 0 22 0 27 6 Unit Depth In 12 2 12 2 12 6 sia Net Weight Lbs 82 5 82 5 102 5 Airflow CFM 945 945 1050 Sound Pressure dB A 56 56 59 Body Unit Width In 22 4 22 4 22 4 Body Unit Height In 10 2 10 2 10 2 Body Unit Depth In 22 4 22 4 22 4 Body Net Weight Lbs 35 3 35 3 39 7 Panel Unit Width In 25 5 25 5 25 5 Indoor Panel Unit Height In 2 0 2 0 2 0 Panel Unit Depth In 25 5 25 5 25 5 Panel Net Weight Lbs 5 5 5 5 5 5 Number of Fan Speeds 3 3 3 Airflow lowest to highest CFM 260 320 380 280 340 400 290 350 420 Sound Pressure lowest to highest dB A 34 39 44 36 39 42 46 48 50 Condensing unit above or below indoor unit SPECIFICATIONS DUCTED HEAT PUMP CONTINUED Table 2 Ducted Specifications Size 9 12 18 24 36 48 E EE 38MAQBO9 3 38MAQB12 3 38MAQB18 3 38MAQB24 3 38MBOB36 3 38MBOB
49. k the compressor resistance No E Replace the compressor values Yes v Replace the outdoor main PCB Fig Main parts check Temperature sensor checking 52 Troubleshooting Disconnect the temperature sensor from PCB measure the resistance value with a tester Temperature Sensors Room temp T1 sensor Indoor coil temp T2 sensor Outdoor coil temp T3 sensor Outdoor ambient temp T4 sensor Compressor discharge temp T5 sensor INN 000 Tester Fig 53 Tester Measure the resistance value of each winding by using the multi meter 47 APPENDIX Appendix 1 Table 28 Temperature Sensor Resistance Value Table for T1 T2 T3 T4 t K SE F K Ohm C F K Ohm aC F K Ohm C F K Ohm 20 4 115 266 20 68 12 6431 60 140 2 35774 100 212 0 62973 19 2 108 146 21 70 12 0561 61 142 2 27249 101 214 0 61148 18 0 101 517 22 72 11 5 62 144 2 19073 102 216 0 59386 17 1 96 3423 23 73 10 9731 63 145 2 11241 103 217 0 57683 16 3 89 5865 24 75 10 4736 64 147 2 03732 104 219 0 56038 15 5 84 219 25 71 10 65 149 1 96532 105 221 0 54448 14 7 79 311 26 79 9 55074 66 151 1 89627 106 223 0 52912 13 9 74 536 27 81 9 12445 67 153 1 83003 107 225 0 51426 12 10 70 1698 28 82 8 71983 68 154 1 76647 108 226 0 49989 11 12 66 0898 29 84 8 33566 69 156 1 70547 109 228 0 486 10 14 62 2756 30
50. merescon values Yes v Replace the outdoor main PCB Fig 44 Troubleshooting 42 Fig 46 P V 43 noun HAMEL Fig 48 P N 44 Over voltage or too low voltage protection diagnosis and solution P1 Error Code P1 Matton decision conditions EG voltage rise or drop is detected by checking the specified voltage detection e Power supply problems Supposed causes e System leakage or block e PCB faulty Check the power supply No po Stop the unit Yes Check the connections and No A Correct the connections or wires replace the wires Yes y Check the pe between P No je Replace the IPM board Yes v Check the reactor gt No gt Replace outdoor main PCB a e e Z N ZO Yes y Replace the reactor Fig 49 Troubleshooting Remark Measure the DC voltage between P and N port The normal value should be around 310V Fig 50 Measure the DC voltage 45 High temperature protection of compressor top diagnosis and solution P2 Error Code P2 Malfunction decision conditions If the sampling voltage is not 5V the LED will display the failure Supposed causes Power supply problems System leakage or block PCB faulty of indoor and outdoor units No C Check the air flow system Yes
51. nd work gloves Keep quenching cloth and fire extinguisher nearby when brazing Use care in handling rigging and setting bulky equipment Read this manual thoroughly and follow all warnings or cautions included in literature and attached to the unit Consult local building codes and National Electrical Code NEC for special requirements Recognize safety information This is the safety alert symbol A When you see this symbol on the unit and in instructions or manuals be alert to the potential for personal injury Understand these signal words DANGER WARNING and CAUTION These words are used with the safety alert symbol DANGER identifies the most serious hazards which will result in severe personal injury or death WARNING signifies hazards which could result in personal injury or death CAUTION is used to identify unsafe practices which may result in minor personal injury or product and property damage NOTE is used to highlight suggestions which will result in enhanced installation reliability or operation A WARNING ELECTRICAL SHOCK HAZARD Failure to follow this warning could result in personal injury or death Before installing modifying or servicing system the main electrical disconnect switch must be in the OFF position There may be more than 1 disconnect switch Lock out and tag switch with a suitable warning label 4 WARNING EXPLOSION HAZARD Failure to follow this warning could result in death serious p
52. ne has run for 10 minutes in defrosting mode 26 Defrosting action Compressor ii i off an 4 way valve off on Qutdoor fan off Indoor fan off Ge 3 10s Indoor fan breeze 10s YOU wm H L no longer than 10m ou Fig 25 9k 12k 18k 24k 30k models XX 60s i F2 FT my F on Compressor AE 4 valve bs vany oft on Outdoor fan off on Indoor fan off Fig 26 9k 12k 18k 24k 30k models Evaporator coil temperature protection T2 gt TEH2 F the compressor running frequency decreases to the lower level and runs for 20s When the frequency decreases to F2 and the T2 is still over TEH 2 F for 3 minutes the compressor stops AUTO MODE In the Auto mode the temperature can be set to values between 62 86 F 17 30 C In this mode the machine chooses the Cooling Heating or Fan Only mode according to AT NOTE AT T1 Ts where T1 represents the indoor room temperature and Ts represents the set temperature Table 23 Auto Mode AT T1 Ts Running mode AT gt 2 F Cooling 1 lt AT lt 2 F Fan only AT lt 2 F Heating The indoor fan runs at an automatic fan speed for each running mode The louver also operates depending in relevant mode taking place If the machine switches mode between heating and cooling the compressor stops for 15 minutes and then choose a mode according to AT If a new set temperature is commanded the s
53. ollow this caution may result in equipment damage or improper operation from the chart below SYSTEM EVACUATION AND CHARGING y UN CAUTION UNIT DAMAGE HAZARD Never use the system compressor as a vacuum pump Refrigerant tubes and indoor coil should be evacuated using the recommended deep vacuum method of 500 microns Always break a vacuum with dry nitrogen SYSTEM VACUUM AND CHARGE Using Vacuum Pump 1 Completely tighten all flare nuts and connect manifold gage charge hose to a charge port of the low side service valve See Fig 20 2 Connect charge hose to vacuum pump 3 Fully open the low side of manifold gage see Fig 21 4 Start vacuum pump 5 Evacuate using the triple evacuation method 6 After evacuation is complete fully close the low side of manifold gage and stop operation of vacuum pump 7 The factory charge contained in the outdoor unit is good for up to 25 ft 8m of line length For refrigerant lines longer than 25 ft 8m add refrigerant as specified in the ADDITIONAL REFRIGERANT CHARGE table in this document 8 Disconnect charge hose from charge connection of the low side service valve 9 Fully open service valves B and A 10 Securely tighten caps of service valves Outdoor Unit Refrigerant Indoor Unit 4A Low Side me D PAJ LO Side H High Side Service Valve Fig 20 Service Valve Manifold Gage 500 microns Low side valve Low side valve Fig 21
54. olytic capacitors discharge completely and dismount the IPM Use a digital tester to measure the resistance between P and UVWN UVW and N Table 31 IPM continuity check Digital Tester Normal Resistance value Digital Tester Normal Resistance value Red Black Red Black N U 00 00 U V P Several M Q N Several M Q V W W Red Pressure on Service Port Table 32 Cooling Chart Outdoor temp oF C Indoor Temp 75 23 89 85 29 44 95 35 105 40 56 115 46 11 BAR 70 8 2 7 8 8 1 8 6 10 1 BAR 75 8 6 8 3 8 7 9 1 10 7 BAR 80 9 3 8 9 9 1 9 6 11 2 PSI 70 119 113 117 125 147 PSI 75 124 120 126 132 155 PSI 80 135 129 132 140 162 MPA 70 0 82 0 78 0 81 0 86 1 01 MPA 75 0 86 0 83 0 87 0 91 1 07 MPA 80 0 93 0 89 0 91 0 96 1 12 12 0 Pressure bar 75 23 89 85 29 44 95 105 40 56 115 46 11 35 Outdoor temp 50 Heating Chart Table 33 Heating chart Outdoor temperature F C Indoor temp 57 13 89 47 8 33 37 2 78 27 2 78 17 8 33 BAR 55 30 3 28 5 25 3 22 8 20 8 BAR 65 32 5 30 0 26 6 25 4 23 3 BAR 75 33 8 31 5 27 8 26 3 24 9 PSI 55 439 413 367 330 302 PSI 65 471 435 386 368 339 PSI 75 489 457 403 381 362 MPA 55 3 03 2 85 2 53 2 28 2 08 MPA 65 3 25 3 00 2 66 2 54 2 33 MPA 75 3 38 3 15 2 18 2 63 2 49 Pressure
55. oor unit to indoor unit consists of four 4 wires and provides the power for the indoor unit Failure to follow this caution may result in equipment damage or improper operation wiring and the other is a ground wire e Two wires are high voltage AC power one is communication Be sure to comply with local codes while running wire from indoor unit to outdoor unit Every wire must be connected firmly Loose wiring may Cause terminal to overheat or result in unit malfunction A fire hazard may also exist Therefore be sure all wiring is tightly connected No wire should be allowed to touch refrigerant tubing compressor or any moving parts Disconnecting means must be provided and shall be located within sight and readily accessible from the air conditioner Connecting cable with conduit shall be routed through hole in the conduit panel Recommended Connection Method for Power and Communication Wiring To minimize communication wiring interference Power Wiring The main power is supplied to the outdoor unit The field supplied power wiring from the outdoor unit to indoor unit consists of three 3 wires and provides the power for the indoor unit Two wires are high voltage AC power and one is a ground wire To minimize voltage drop the factory recommended wire size is 14 2 stranded with a ground Communication Wiring A separate shielded copper conductor only with a minimum 300 volt rating and 2 64 inch thick insulation must
56. or T5 F3 6 Outdoor unit EEPROM error F4 7 Outdoor fan speed has been out of control F5 8 IPM malfunction PO 9 Over voltage or over low voltage protection P1 10 High temperature protection of compressor top P2 11 Outdoor low temperature protection P3 12 Inverter compressor drive error P4 13 High temperature protection of indoor coil in heating JO 14 Outdoor temperature protection of outdoor coil in cooling J1 15 Discharge temperature protection J2 16 Protection of active PFC module J3 17 Communication error between control board and IPM board J4 18 Hi pressure switch protection J5 19 Low pressure switch protection J6 20 Outdoor IGBT temperature sensor error P7 21 AC voltage protection J8 31 Outdoor Check Function Table 27 Outdoor Check Function N Display Remark 00 Normal Display Display running frequency running state or malfunction code Actual data HP 10 If capacity demand code is higher than 99 the digital display tube will show 01 Indoor unit capacity demand code single digit and tens digit For example the digital display tube show 5 0 it means the capacity demand is 15 the digital display tube show 60 it means the capacity demand is 6 0 02 Amendatory capacity demand code 03 The frequency after the capacity requirement transfer 04 The frequency after the frequency limit 05
57. ove the evaporator assembly Remove Remove the Repeat the operation of No 2 to remove the electronic control box the electronic centrifugal control box fan Remove the air Repeat the operation of No 7 to remove the air outlet grille assembly outlet grille assembly Remove four fixing screws to remove the ventilation assembly Remove the hex nut fixing the fan to remove the fan Remove Remove the Repeat the operation of No 12 to remove the centrifugal fan the fan centrifugal fan motor Remove the fan motor after unfastening three fixing screws 68 DISASSEMBLY INSTRUCTIONS OUTDOOR UNIT No Part name Procedures 1 Panel plate How to remove the panel plate Screws of top panel 1 Stop operation of the air conditioner and turn OFF the power breaker ES 7 2 Refer to the right side SS j photos find out the fixing screws of the panels Screw of gt op panel Screws of e big handle on right side plate 3 Remove the screws of top panel and remove the top panel Screws of water connector on right side plate Screws of rear net 4 Remove the screws of me ewo Le pr the front panel and then gg netop remove the front panel pang 5 Remove the screws of i j the right side plate and au JR e Vos Le sa remove the rig ht side Screws of right rear plate PW ps loft plato plate 69 Screw of top panel Screws of front panel Screws of left plate 2 Fan
58. pacity demand code Actual data HP 10 If capacity demand code is higher than 99 the digital display tube will show single digit and tens digit For example the digital display tube show 5 0 it means the capacity q PE Ge n e demand is 15 the digital display tube show 60 it means the capacity demand is 6 0 If the indoor 24 3 Indoor unit capacity demand code unit is not connected the digital display tube will show ao ki ROOM emp On L AOU If the temp is lower than O degree the digital display tube will show 0 If the temp is higher than 26 Room temp T1 of 2 indoor unit 70 degree the digital display tube will show 70 If the indoor unit is not connected the digital 27 Average room temp T1 display tube will show 28 Reason of stop 29 Evaporator pipe temp T2B of 1 indoor unit If the temp is lower than O degree the digital display tube will show 0 If the temp is higher than 70 degree the digital display tube will show 70 If the indoor unit is not connected the digital 30 Evaporator pipe temp T2B of 2 indoor unit display tube will show 32 Diagnosis and Solution EEPROM error diagnosis and solution E0 F4 Error Code E0 F4 Malfunction decision conditions Indoor or outdoor PCB main chip does not receive feedback from EEPROM chip Supposed causes o Installation mistake e PCB faulty Troubleshooting Pow
59. rature sensor error O light X off flash 30 Outdoor Unit Error Display BROWN CE KFR48W BP2 BPSUR311 STK0433 D13 WP2 CN4 L8 L L UNO L A 6 n lt n TA Q y gt q N JELSUI za PTCL E FUSE1 g uE T20A 250VAC L x 1 y ZO gt HH 3 uy S ls os Ja pge 5 cad ta NO 40 DI R10 V A E A a ma la QS f EE 7 48 Fig 30 Outdoor Unit Error Display Table 25 Outdoor Unit SIZES 9 24 Error Display LA No Problems LED2 Green LEDI Red IU Display 1 Standby for normal O A 2 Operation normally X O 3 Compressor drive board EEPROM error O xx BS 4 IPM malfunction or IGBT over strong current protection K X PO 5 Over voltage or too low voltage protection O O P1 6 Inverter compressor drive error X x P4 7 Inverter compressor drive error Ww O P4 8 ok nas malfunction between main control board and driver Ae de P4 Table 26 Outdoor Unit SIZES 36 48 Error Display No Problems Error Code pats l 1 Communication malfunction between indoor and outdoor units E1 2 Protection of over current FO 3 Open circuit or short circuit of outdoor ambient temperature sensor T4 F1 4 Open circuit or short circuit of condenser coil temperature sensor T3 F2 5 Open circuit or short circuit of Compressor discharge temperature sens
60. ring to the wiring diagrams 6 Connect the red probe to hot signal and the black probe to the ground or negative 7 Note that some of the DC voltage signals are pulsating voltages for signal this pulse should be rapidly moving at all times when there is a signal present 8 If it is necessary to check the indoor unit board you must start by disconnecting the main power 9 Next remove the front cover of the unit and then control box cover 10 Carefully remove the indoor board from the control box place it face up on a plastic surface not metal 11 Reconnect the main power and repeat steps 5 6 and 7 12 Disconnect main power before reinstalling board to avoid shock hazard and board damage Electricity power is still kept in capacitors even the power supply is shut off Do not forget to discharge the electricity power in capacitor AS 3S san Brel Electrolytic Capacitors HIGH VOLTAGE CAUTION Fig 28 Capacitors For other models connect discharge resistance approx 10082 40W or soldering iron plug between terminals of the electrolytic capacitor on the contrary side of the outdoor PCB Discharging position Discharging period 10 seconds or more Plug of Ari soldering Le iron AJA Ji A SAN f A Pr L ED _ SY N Fig 29 Discharging Position NOTE Fig 29 is for reference only 29 INDOOR UNIT DIAGNOSTIC GUIDES Table 24 Indoor Unit Er
61. ror Display Operation Lamp Timer Lamp Display LED Status X1 time X EO Indoor unit EEPROM error X 2 times X El Communication malfunction between indoor and outdoor units K4 times X E3 Indoor fan speed has been out of control X5 times X E4 Indoor room temperature sensor T1 open circuit or short circuit K6 times X ES Evaporator coil temperature sensor T2 open circuit or short circuit X7 times X EC Refrigerant leakage detection KSE times X EE Water level alarm malfunction X1 time O FO Current overload protection X2 times O F1 Open circuit or short circuit of outdoor ambient temperature sensor T4 53 times O F2 Open circuit or short circuit of condenser coil temperature sensor T3 X4 times O F3 Open circuit or short circuit of Compressor discharge temperature sensor T5 X5 times O F4 Outdoor unit EEPROM error K6 times O F5 Outdoor fan speed has been out of control X7 times O F6 T2B sensor error X8 times O F7 Lifting panel communication error XO times O FS Lifting panel malfunction X10 times O F9 Lifting panel is not closed X1 time xX PO IPM malfunction K2 times xX P1 Over voltage or over low voltage protection K3 times xX P2 High temperature protection of compressor top K4 times xX P3 Outdoor low temperature protection X5 times xX P4 Inverter compressor drive error K6 times K P5 Mode conflict X7 times xX P6 Compressor low pressure protection Zen times xX P7 Outdoor IGBT tempe
62. t 220VAC High voltage Connection of the Pump CN22 Communication to indoor unit Pinl SV DC Pin3 5V DC CN15 Output 320VDC High voltage Connection of the Fan board CN24 CN25 Output High voltage for HEAT Y control 230V AC CN23 Output 1 12VDC Connection of the Remote switch a 7 ye A a Output Power output for AC FAN motor1 and AC FAN motor2 230V AC CN33 Output OV Connection of the Alarm CN39 Output L2 for AC FAN SV and HEAT High voltage AC CN40 Output 12VDC Connection of the Wire controller P 6 Connection to the earth Outdoor unit Driver board UVW Output Pulse 0 380VDC for COMPRESSOR CN6 CNS Input Power input for DRIVER BOARD 200 320V DC CN3 Output Connect PFC Inductance high DC voltage CN7 CN11 Output DC FAN motorl and DC FAN motor2 control Pin1 310V or 380V DC CN9 Output Communication Main board and IPM Board Pin7 5V DC CN55 Output Communication IPM Board and Main board Pin1 12V DC CN14 CN15 CN39 Output High DC voltage 310V or 380V DC 22 WIRING DIAGRAMS FLOOR CONSOLE FUNCTION OF SWITCHES SWITCH BOARD TO MIRE CONTROLLER CODE E PC BOARD MET DN Ou E INDOOR DE FAN MOTOR WIRING DIAGRAM INDOOR mm Fn Parr ii A ri pasan wi Ise OUTLET SWING MOTOR EE ii A e e na EE ue ERECTO O TE TEMPERATURE ene We WG a ran i z 151 155 DHAECTORS EN um Lan TERMINAL EE Glen resumen ou ne vn coro ll e DT Ui LE 1 m fam THE TIPE SELECTION AND AVWA H
63. tion of the terminal CN31 dis ir CN3 Output 0 5VDC Connection of the CCM CN21 Input Pin3 4 3 3V Pin2 0V Pin1 Pin5 0 3 3V PI Output OV Connection of the earth CN22 Input Pin1 3 3V Pin2 0 3 3V CNS Output 1 5VDC Connection of the Water level switch CN37 Output 230VAC High voltage CN6 Output SVDC Connection of the Room and Pipe temperature CN9 1 CN32 1 Output Connection of the high voltage CN10A Output 12VDC Connection of the Display board CN1 Input 230VAC High voltage CN13 Output 220VAC High voltage Connection of the Pump CN2 Input 230 VAC High voltage CN14 Output 12VDC Connection of the Swing motor CN3 Connection to the earth CN15 Output 320VDC High voltage Connection of the DC Fan CN16 Output Connection of the high voltage CN16 Output 320VDC High voltage Connection of the Reactor CN26 CN27 Output High voltage for 4 way control CN23 Output 1 12VDC Connection of the Remote switch CN7 Output Pulse 0 320VDC for DC FAN CN33 Output OV Connection of the Alarm UVW Output Pulse 0 320VDC for COMPRESSOR CN40 Output 12VDC Connection of the Wire controller CN110 Output 24VDC between SC Ss CN1 connection of the S 16 WIRING DIAGRAMS CASSETTE CONTINUED FUNCTION OF SWITCH anti cotd air b sse mn anan S z VEER Er Se OUTDOOR MAIN PCB man elelel ele ala T _POWER SUPPLY Fig 12 Table 13 Input and Output Cassette Size 18 IO I Dutt A 1 it scanop 1 1 y Alarm
64. tte Specifications Size 9 12 18 Sara 38MAQB09 3 38MAQB12 3 38MAOB18 3 System 538PEQOOORBMA 538PEQ012RBMA 538PEQ018RBMA ladies MOI 40MBOBO9OC 3 40MBOBI2C 3 40MBQB18C 3 619REQOOOCBMA 619REQ012CBMA 619REQO18CBMA Cooling Rated Capacity Btu h 9 000 12 000 16 000 Cooling Cap Range Min Max Btu h 3 500 11 000 4 000 13000 4 500 18 000 SEER 19 0 20 5 19 0 Performance EER 13 0 13 0 12 5 Heating Rated Capacity Btu h 10 000 12 000 18 000 Heating Cap Range Min Max Btu h 4 500 11 500 5 000 13500 5 500 19 000 HSPF 10 0 10 0 90 Wireless Remote Controller F C Convertible Standard are Wired Remote Controller F C Convertible Optional Operating Cooling Outdoor DB Min Max F 4 122 4 122 4 122 Range Heating Outdoor DB Min Max OR 4 86 4 86 4 86 Total Piping Length Ft 82 82 98 Piping Lift Ft 32 32 65 Piping a a a E Pipe Connection Size Liquid In 1 4 1 4 1 4 Pipe Connection Size Suction In 3 8 1 2 1 2 Type R410A Design Pressure PSIG 550 550 550 Refrigerant n f n Metering Device Capillary Tube in Outdoor Unit Charge Lbs 2 76 2 76 4 19 Face Area Sq Ft 9 2 9 2 16 0 Outdoor No Rows 2 2 2 coil Fins per inch 21 21 18 Circuits 4 4 6 Face Area Sq Ft 3 1 3 1 3 1 No Rows 1 2 2 MOOT TE Fins per inch 19 19 19 Circu
65. unit The red probe of the multimeter connects with L2 port while the black pin is for S port When AC is normal running the voltage will move alternately between 50V to 50V If the outdoor unit has malfunction the voltage will move alternately with positive value While if the indoor unit has malfunction the voltage will be a certain value Fig 35 Test the DC voltage Remark Use a multimeter to test the resistance of the reactor which does not connect with capacitor The normal value should be around zero ohm Otherwise the reactor must have malfunction and need to be replaced Fig 36 Test the resistance 35 Remark Use a multimeter to test the resistance of the reactor which does not connect with capacitor The normal value should be around zero ohm Otherwise the reactor must have malfunction and need to be replaced Fig 37 Test the resistance Error Code E3 Malfunction decision conditions When indoor fan speed keeps too low 300RPM for certain time the unit will stop and the LED will display the failure Supposed causes e Wiring mistake e Fanass y faulty e Fan motor faulty e PCB faulty 36 Power off then restart No the unit 2 minutes later Yes y Shut off the power supply No The unit operates normally Rotate the fan by hand Yes y Check the wiring of fan No y
66. unt resets under following situation During the first 5 minutes after compressor s start the situation that T2 lt Tcool 3 6 F lasts for 4 seconds continuously Evaporator anti freeze protection in cooling mode Non cooling mode Louver Position Memory Function When starting the unit again after shutting down its louver restores to the angle originally set by the user but the precondition is that the angle must be within the allowable range if it exceeds it memorizes the maximum angle of the louver During operation 1f the power fails the louver restores to the default angle 46 F 8 C Heating heating setback In heating operation the preset temperature of the air conditioner can be as low as 46 F which keeps the room temperature steady at 46 F and prevents household pipes from freezing when the house is unoccupied for a long time in severe cold weather Silence operation Press the silence button on remote controller to initiate SILENCE function When the Silence function is activated the compressor running frequency remains lower than F2 and the indoor unit supplies faint breeze which reduces the noise to the lowest level and create a quiet and comfortable room for you 28 TROUBLESHOOTING This section provides the required flow charts to troubleshoot problems that may arise NOTE Information required in the diagnoses can be found either on the wiring diagrams or in the appendix Required Tools T
67. upporter Be careful of the connection wires 56 6 There are 2 screws under the supporter to fixing the pump Release them to take the pump out of the supporter Remove the evaporator evaporator 3 Remove the evaporator fixing board 4 Remove the evaporator fixing clamps to disassemble the evaporator Fixing clamps 1 screw 57 DISASSEMBLY INSTRUCTIONS DUCTED INDOOR UNIT NOTE This part is for reference the photos may differ slightly from your machine Remove the 1 Unscrew the screws to electronic remove the cover of control box electronic control box 2 Disconnect the fan motor PA Plug of room wire fan capacity wire y PR temperate sensor OS sua and evaporator room temperature sensor KS temperature sensor wire and evaporator mon temperature sensor wire 3 Unscrew the screws to remove the electronic control box Remove the display board 2 Disconnect the display board wire connected to PCB 3 Remove the sticker Sticker 58 3 Move the display board according to the arrow direction to disassemble it 1 or connectors connected Pull out all the plugs to the PCB and remove the ground wire after remove the screw 2 Remove the PCB from the electronic control box y Press the four fixing holders from four corners to remove the PCB 1 1 e HM be FA tion of step1 of No1 1 Remove the cover of Repeat t
68. y Output ji dl n E Gah A ALARM ON OFF CN33 Cassette Size 18 l Remote Control i KT al CHI Re INEVIFAN Q INDOORUNIT H MAINBOARD N _ ran paran E rar Kita es i Lal CG IW IW 3 x ROOM TEL Indoor unit Outdoor unit CODE PART NAME CODE PART NAME CN1 Input 230VAC High voltage Connection of the terminal CN7 CNS Input 230V High voltage CN3 Output 0 5VDC Connection of the CCM CN2 Output Connection of the high voltage P1 Output OV Connection of the earth CN3 CN4 Output High voltage for 4 way control CN5 Output 1 5VDC Connection of the Water level switch CN11 CN16 Output 230V High voltage for HEATER CN6 Output SVDC Connection of the Room and Pipe temperature CNS Output Pulse 0 320V for DC FAN CN10A Output 12VDC Connection of the Display board CN12 CN13 Output Connection of the high voltage CN13 Output 220VAC High voltage Connection of the Pump UV W Output Pulse 0 320V for compressor CN14 Output 12VDC Connection of the Swing motor CN10 Input Pin1 5V Pin2 0 5V CN15 Output 320VDC High voltage Connection of the DC Fan CN1 Input Pin3 4 SV Pin2 0V Pin1 PinS 0 5V CN16 Output 320VDC High voltage Connection of the Reactor CN18 e e waveform 0 12V CN23 Output 1 12VDC Connection of the Remote switch CN33 Output OV Connection of the Alarm CN40 Output 12VDC Connection of the Wire controller CN110 Output
69. y valve may be different from 1 Perform work of item 1 the one on your side 2 3 2 Recover refrigerant nn l gt from the refrigerant circuit Ge A KEN 4 3 Remove the screw of Le SA the coil and then remove IAN JA HE the coil AS Kar w Eil 4 Detach the welded parts k WW pe d of four way valve and pipe a ke ARE Gu 5 Then the four way valve a OP GI ass y can be removed Ke at k 8 Welded parts Coil of four way valve fixing by one screw 75 Compressor How to remove the compressor After perform work of item1 2 3 Remove the discharge pipe and suction pipe Ha ai Discharge with a burner A UA pipe and Remove the hex nuts a pa suction and washers fixing the E Y 8 pipe compressor on bottom A plate Lift the compressor from the base pan assembly Nuts of compress Copyright 2015 CAC BDP 7310 W Morris St e Indianapolis IN 46231 Edition Date 08 15 Catalog No 40MBC D F 38MA B Q 01 SM nnen A A AA M AA A AAA A A A A A A AAA A AAA A A AA een Manufacturer reserves the right to change at any time specifications and designs without notice and without obligations Replaces NEW 74
70. ystem chooses a running mode according to AT FORCED OPERATION FUNCTION When the machine is off pressing the manual button carries the machine into the forced auto mode Press the button once again within 5 seconds the machine enters the forced cooling mode In Forced Auto Forced Cooling or any other operation mode press the manual button to turn off the machine When in this mode all general protections are available Forced cooling mode The compressor runs at F2 frequency and indoor fan runs as breeze After running for 30 minutes the machine will turn to auto mode with a 75 F 24 C set temperature Forced auto mode The action of forced auto mode is the same as normal auto mode with a 75 F 24 C set temperature TIMER FUNCTION Timing range is 24 hours The timer function will not change the system s current operation mode The setting time is relative time Timer on The machine turns on automatically when reaching the set time Timer off The machine turns off automatically when reaching the setting time Timer on off The machine turns on automatically when reaching the set on time and turns off automatically when reaching the set off time The timer function does not change the AC current operation mode Suppose AC is off now 1t will not start up first after setting the timer off function And when reaching the setting time the timer LED will turn off and the AC running mode w

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