MAXA BDS28A Technical Manual Download Page 35 | Manualshive

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Summary of Contents for BDS28A

Page 1: ...informative purpose The company declines every responsibility for the results of projecting or installation based on the explanations and the technical specifications given in this manual Is besides...

Page 2: ...2 Serie Series Serie Serie TECHNICAL MANUAL MONO DC INVERTER Emissione Issue Ausgabe Emission 04 2013 Catalogo Catalogue Katalog Catalogue MTE01028D2505 00 Sostituise Supersade Ersetzt Remplace...

Page 3: ...r units 10 7 CONTROL FUNCTIONS 11 7 1 Temperature parameters 11 7 2 Basic functions 11 8 TROUBLESHOOTING 15 8 1 Malfunction diagnosis should be performed as below procedure 15 8 2 Confirmation 15 8 3...

Page 4: ...5 2 1 5 Evaporator Coil length x height x width l x H x L mm 662 x 25 4 x 305 662 x 25 4 x 305 Swing motor model MP24HA MP24HB MP24HC MP24HA MP24HB MP24HC Output of swing motor W 2 4 2 4 Fuse A 3 15...

Page 5: ...Gas additional charge g m 20 20 Liquid pipe mm 6 6 Outer diameter Gas pipe mm 9 52 9 52 Height m 10 10 Connecting pipe Max distance Length m 15 20 The above data of specifications are subject to chan...

Page 6: ...ndition Indoor DB27 WB19 Indoor air flow Super High Pipe length 5m 0 20 40 60 80 100 120 140 160 180 200 Outdoor temp Capacity ratio g n i t a e H g n i l o o C Condition Indoor DB20 Indoor air flow S...

Page 7: ...high Super high 55 Notes 1 Connecting piping condition 5m 2 T1 Outlet and inlet pipe temperature of evaporator T2 Outlet and inlet pipe temperature of condenser P Pressure of air pipe used for connect...

Page 8: ...U O T I N U R O O D N I HEAT EXCHANGE EVAPORATOR HEAT EXCHANGE CONDENSER COMPRESSOR GAS SIDE 3 WAY VALVE LIQUID SIDE 2 WAY VALVE COOLING HEATING Accumlator Discharge Suction 4 Way valve Electron expan...

Page 9: ...OUT 3 2 OUTDOOR UNIT N 1 BN BU XT1 PE L L DC MOTOR M1 ROOM TUBE K7 SWING UD1 AP2 SWING MOTOR TEMP SENSOR TUBE ROOM TEMP SENSOR CAP JUMP 5 2 Outdoor units BDS28A BDS35A 4YV COMP M XT2 RT3 0 0 RT2 0 RT...

Page 10: ...outdoor units 1 2 3 4 5 6 7 8 9 11 10 12 13 14 15 15 Communication interface of indoor and outdoor units 6 2 Outdoor units BDS28A BDS35A No Part name 1 Input of neutral wire of power 2 Input of live...

Page 11: ...it will maintain its original operating status Under this mode the switchover reversal valve will be de energized and the temperature can be set from 16 C to 30 C If the compressor is shut down for so...

Page 12: ...air conditioner will adjust the running frequency of the compressor automatically according to the change of ambient temperature When the unit is turned off in HEAT mode or switched to other mode fro...

Page 13: ...s cleared Total current up and frequency down protection If the total current Itotal W frequency rise will be allowed if Itotal X frequency rise will not be allowed if Itotal Y the compressor will run...

Page 14: ...f compressor If exhaust temperature 98 C frequency is not allowed to rise If exhaust temperature 103 C the compressor will run at reduced frequency If exhaust temperature 110 C the compressor will sto...

Page 15: ...the system will memorize the timing function in the latest remote control order after being powered on again and the timing time will be calculated from the power on time again If there is timing fun...

Page 16: ...oor fan stop while indoor fan operates During heating operation all loads stop Please refer to the malfunction analysis discharge protection overload 5 Overcurrent protection E5 Blinks 5 times Blinks...

Page 17: ...Blinks 3 times Blinks 6 times During cooling and drying operating compressor stops while indoor fan operates During heating operation the complete unit will stop operation 1 Outdoor ambient temp senso...

Page 18: ...sed to the normal range 2 If the AC input is normal measure the voltage of electrolytic capacitor C on control panel AP1 if it s normal there s malfunction for the circuit please replace the control p...

Page 19: ...essor will stop while indoor fan will operate During heating operation the complete unit will stop operation Refer to the malfunction analysis IPM protection loss of synchronism protection and overcur...

Page 20: ...g and drying operation the compressor will stop while indoor fan will operate During heating operating the complete unit will stop operation There s circuit malfunction on outdoor unit s control panel...

Page 21: ...contacted Is there short circuit due to trip over of the parts Is the temperature sensor normal according to the resistance table Replace the main board with the same model End Insert the temperature...

Page 22: ...the blade to make it rotate smoothly Is the malfunction eliminated Is the wiring terminal of PG motor loose Energize and retart up the unit test if the voltage between motor terminal 1 and 2 is 280 31...

Page 23: ...See the flow chart below C5 is displayed on the unit Is there jumper cap on the mainbaord Install a matching jumper cap Is the jumper cap inserted incorrectly or improperly Is the malfunction eliminat...

Page 24: ...t and check if the connecting wire of indoor and outdoor unit and wiring of electric box are correct Is wire connected correctly Does the broken down indoor unit resume normal Replace the broken down...

Page 25: ...op of D304 Bottom of D304 IPM drive voltage 15V 13 5V 15 5V Test 4 Top of C116 bottom of C116 Relay drive voltage 12V 11V 13V Test 5 Right side of R228 left side of D228 PFC drive voltage 15V 13 5V 15...

Page 26: ...the insulation of compressor coil s against the copper tube is in good condition Switch on the unit and wait 1 minute Use DC voltmeter to measure the voltage on the two ends of electrolytic capacitor...

Page 27: ...e the capacitor C2 Then energize and start the unit If the unit can work normally Replace the control panel AP1 Please confirm 1 In the indoor and outdoor heat exchangers are obstructed by other objec...

Page 28: ...the complete unit is powerd off Does the outdoor fan work normally Replace the control panel AP1 End Normal protection please operate it after the outdoor ambient temp is normalized Improve the heat...

Page 29: ...the fault is eliminated Replace the compressor End Check if the fan terminal OFAN is connected correctly Replace the capacitor C1 Remove foreign objects clean heat exchanger and increase ventilation...

Page 30: ...ce it as per the wiring diagram and reconnect the wires If the fault is eliminated Remove the PFC capacitor and measure resistance between the two terminals Is the resistance around zero Disconnect th...

Page 31: ...y before the failure occurs Check the wiring of the indoor and outdoor units with reference to the wiring diagrams Are wires broken Check the communication circuit of the outdoor unit The communicatio...

Page 32: ...5 63 460 34 10 200 73 2 358 112 0 717 4 60 230 35 9 779 74 2 280 113 0 697 3 57 180 36 9 382 75 2 206 114 0 678 2 54 310 37 9 003 76 2 133 115 0 660 1 51 590 38 8 642 77 2 064 116 0 642 0 49 020 39 8...

Page 33: ...310 35 13 040 74 3 040 113 0 930 3 76 240 36 12 510 75 2 940 114 0 904 2 72 410 37 12 000 76 2 844 115 0 880 1 68 790 38 11 520 77 2 752 116 0 856 0 65 370 39 11 060 78 2 663 117 0 833 1 62 130 40 10...

Page 34: ...10 63 10 930 102 3 129 14 342 800 25 49 190 64 10 540 103 3 040 13 323 900 26 47 080 65 10 180 104 2 955 12 306 200 27 45 070 66 9 827 105 2 872 11 289 600 28 43 160 67 9 489 106 2 792 10 274 000 29 4...

Page 35: ......

Page 36: ...Via Gettuglio Mansoldo Loc La Macia 37040 Arcole Verona Italy Tel 39 045 76 36 585 r a Fax 39 045 76 36 551 r a www maxa it e mail maxa maxa it...

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