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McQuay MCC 010C/CR, Руководство пользователя, Страница: 68 / 78

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The most common causes of air conditioner failure to “start" are:
a) Voltage not within 

±

10% of rated voltage.

b) Power supply interrupted.
c) Control settings improper.
d) Air conditioner is disconnected from main power source.
e) Fuse blown or circuit breaker off.

ii) Diagnosis Of Refrigerant Circuit / Application

There might be some cases where the unit starts running but does not perform satisfactory, i.e.
insufficient cooling. Judgement could be made by measuring temperature difference of indoor
unit's intake and discharge air as well as running current.

Insufficient Cooling

Unit Starts

Excessive heat
source e.g. electric
kettle

High heat load

Refrigerant circuit

Leakage

Restriction e.g. at
strainer, capillary,
filter dryer, etc.

Compressor

Less or no compression
(Low running current)

Room overcrowded
with people

Windows / doors
wide open

Check air circulation

Indoor/Outdoor coil dirty
(clogged)

Air filters dirty

Fan Malfunction

Obstruction at air inlet/outlet
of indoor/outdoor unit

Satisfactory operation with temperature difference of
air intake & discharge of indoor unit 10°C - 15°C

Insufficient Heating

Unit Starts

High heat load

Refrigerant circuit

Leakage

Restriction e.g. at
strainer, capillary,
filter dryer, etc.

Compressor

Less or no compression
(Low running current)

Windows / doors
wide open

Check air circulation

Indoor/Outdoor coil dirty (clogged)

Air filters dirty

Fan Malfunction

Obstruction at air inlet/outlet
of indoor/outdoor unit

Satisfactory operation with temperature difference of
air intake & discharge of indoor unit 16°C - 25°C

Содержание MCC 010C/CR

Страница 1: ...our Climate We re There TM MCC CR 2200B Ceiling Concealed Fan Coil Unit Models MCC 010C CR MCC 015C CR MCC 020C CR MCC 025C CR MCC 030C CR MCC 040C CR MCC 050C CR MCC 060C CR REGISTERED AirConditionin...

Страница 2: ...codes and regulations and experienced with this type of equipment Caution Sharp edges and coil surfaces are a potential injury hazard Avoid contact with them Warning Moving machinery and electrical p...

Страница 3: ...sulation material to prevent sweating The secondary drain pan will act as a drip pan to block any water that might be dripped down thus offering an additional protection to the ceiling In such a case...

Страница 4: ...10 16 14 410 16 14 410 16 14 410 16 14 DIMENSION WIDTH mm in 951 37 44 1 091 42 95 1 251 49 25 1 386 54 57 DEPTH mm in 535 21 06 535 21 06 535 21 06 535 21 06 POWER SOURCE V Ph Hz COMPRESSOR TYPE ROT...

Страница 5: ...0 4690 PROTECTION DEVICE O L PROTECTION POWER SOURCE FAN TYPE DRIVE BLADE MATERIAL ALUMINIUM DIAMETER mm in 420 16 5 660 4 26 RATED RUNNING CURRENT A 50 60Hz 0 79 2 3 1 25 3 0 RATED OUTPUT POWER W 50...

Страница 6: ...46 44 41 CONTROL ROOM TEMPERATURE OPERATION CONDENSATE DRAIN SIZE mm in AIR FILTER PACKING HEIGHT mm in 410 16 14 410 16 14 410 16 14 410 16 14 DIMENSION WIDTH mm in 951 37 44 1 091 42 95 1 251 49 25...

Страница 7: ...IL NIL NIL NIL NIL NIL LOCK ROTOR AMP A 50 60Hz 85 88 45 78 62 106 74 79 RATED RUNNING CURRENT COOLING A 50 60Hz 13 4 15 3 6 0 11 2 7 8 14 8 10 2 11 1 RATED RUNNING CURRENT HEATING A 50 60Hz 12 9 14 2...

Страница 8: ...DRAIN SIZE mm in AIR FILTER PACKING HEIGHT mm in 410 16 14 410 16 14 410 16 14 410 16 14 DIMENSION WIDTH mm in 951 37 44 1 091 42 95 1 251 49 25 1 386 54 57 DEPTH mm in 535 21 06 535 21 06 535 21 06...

Страница 9: ...GHT mm in DIMENSION WIDTH mm in 1110 43 70 1229 48 39 1481 58 31 DEPTH mm in POWER SOURCE V Ph Hz 220 240 1 50 COMPRESSOR TYPE CAPACITOR F 50 LOCK ROTOR AMP A 78 45 62 RATED RUNNING CURRENT A 11 4 6 3...

Страница 10: ...SURE LEVEL dBA 39 37 33 41 38 33 44 43 40 46 44 41 CONTROL ROOM TEMPERATURE OPERATION CONDENSATE DRAIN SIZE mm in AIR FILTER PACKING HEIGHT mm in 410 16 14 410 16 14 410 16 14 410 16 14 DIMENSION WIDT...

Страница 11: ...60 CONTROL ROOM TEMPERATURE OPERATION CONDENSATE DRAIN SIZE mm in AIR FILTER PACKING HEIGHT mm in DIMENSION WIDTH mm in 1110 43 70 1229 48 39 1481 58 31 DEPTH mm in POWER SOURCE V Ph Hz 220 240 1 50 C...

Страница 12: ...2 53 51 51 46 44 44 39 37 35 61 59 57 MCC 040 C CR 61 60 58 64 58 58 59 57 54 55 53 53 54 52 51 45 42 41 35 33 32 61 59 58 MCC 050 C CR 62 58 58 60 60 59 59 59 57 57 56 56 56 55 55 49 48 48 41 40 39 6...

Страница 13: ...2 091 1 959 1 826 1 694 1 536 24 TC 4 667 4 270 3 914 3 559 3 204 2 778 SC 2 166 1 995 1 843 1 690 1 538 1 354 Model MCC015C MLC015B Indoor DB Indoor WB Capacity Outdoor DB C C C kW 19 4 25 30 35 40 4...

Страница 14: ...C kW 19 4 25 30 35 40 46 26 7 13 9 TC 6 800 6 463 6 163 5 863 5 563 5 202 SC 5 808 5 680 5 567 5 453 5 339 5 202 15 TC 7 260 6 864 6 510 6 156 5 802 5 377 SC 5 689 5 557 5 439 5 321 5 203 5 061 18 TC...

Страница 15: ...60 240 213 190 165 140 High 632 595 558 515 476 430 390 337 Medium 522 485 440 395 310 295 250 200 MCC015C Low 413 370 322 270 250 205 168 140 High 860 810 765 720 675 620 580 530 Medium 787 750 700 6...

Страница 16: ...15 Model MCC050C Model MCC060C...

Страница 17: ...15 025 C CR Model A B C D E F G H MCC015C CR 881 0 225 0 842 0 802 0 261 0 411 0 351 0 905 0 MCC020C CR 1041 0 225 0 1002 0 962 0 261 0 411 0 351 0 1065 0 MCC025C CR 1176 0 225 0 1137 0 1097 0 261 0 4...

Страница 18: ...1115 0 1072 0 1033 0 466 5 378 0 541 0 256 0 173 0 311 0 128 5 MCC050 C CR 1299 0 1369 0 1326 0 1287 0 593 5 378 0 541 0 256 0 173 0 311 0 255 5 MCC060 C CR 1499 0 1569 0 1526 0 1487 0 693 5 378 0 541...

Страница 19: ...18 Outdoor Unit Model MLC 010 015 B BR M4LC 010 015 B BR Note Dimension in mm Model MLC 020 025 B BR MLC 030B M4LC 020 025 B BR Note Dimension in mm...

Страница 20: ...19 Model MLC 030 040 050 060 C CR M4LC 030 040 050 C CR Note Dimension in mm Model MMC 060 C CR Note Dimension in mm...

Страница 21: ...20 Wiring diagrams Wiring diagrams Model MCC 010C 015C MLC M4LC 010B 015B For export spec with SLM control C3 0B CC Model MCC010C 015C MLC M4LC010B 015B For local spec...

Страница 22: ...21 Model MCC 020C 025C MLC M4LC 020B 025B For export spec with SLM control C3 0B CC Model MCC020C 025C MLC M4LC020B 025B For local spec...

Страница 23: ...22 Model MCC 030C MLC M4LC 030C For export spec with SLM control C3 0BCC Model MCC 030C MLC M4LC 030C For local spec export spec...

Страница 24: ...23 Model MCC 040C 050C MLC M4LC 040C 050C For export spec with MC SLM control C3 0BCC Model MCC 040C 050C MLC M4LC 040C 050C For export spec with MC...

Страница 25: ...24 Model MCC 040C 050C MLC M4LC 040C 050C For local spec Model MCC 060C MLC 060C For export spec with MC SLM C3 0BCC...

Страница 26: ...25 Model MCC 060 MLC 060C For export spec with MC Model MCC 060C MLC 060C For local spec...

Страница 27: ...26 Model MCC 060C MMC 060C For export spec with SLM control C3 0BCC...

Страница 28: ...27 Model MCC 010CR 015CR MLC M4LC 010BR 015BR...

Страница 29: ...28 Model MCC 020CR 025CR MLC M4LC 020BR 025BR...

Страница 30: ...29 Model MCC 030CR MLC M4LC 030CR...

Страница 31: ...30 Model MCC 040CR 050CR MLC M4LC 040CR 050CR...

Страница 32: ...31 Model MCC 060CR MLC 060CR...

Страница 33: ...32 Model MCC 060CR MMC 060CR For export spec with SLM control C3 0BCC...

Страница 34: ...33 Model MCC 010 015C MLC M4LC 010 015B For export spec with SLM control U1 4 Model MCC 020 025C MLC M4LC 020 025B For export spec with SLM control U1 4...

Страница 35: ...34 Model MCC 030 C MLC 030B For export spec with SLM control U1 4 Model MCC 030C MLC M4LC 030C For export spec with SLM control U1 4...

Страница 36: ...35 Model MCC 040 050C MLC M4LC 040 050C For export spec with SLM control U1 4 Model MCC 060C MLC 060C For export spec with SLM control U1 4...

Страница 37: ...36 Model MCC 060C MMC 060C For export spec with SLM control U1 4...

Страница 38: ...37 Model MCC 010 015CR MLC M4LC 010 015BR For export spec with SLM control U1 4...

Страница 39: ...38 Model MCC 020 025CR MLC M4LC 020 025BR For export spec with SLM control U1 4...

Страница 40: ...39 Model MCC 030CR MLC M4LC 030CR For export spec with SLM control U1 4...

Страница 41: ...40 Model MCC 040 050CR MLC M4LC 040 050CR For export spec with SLM control U1 4...

Страница 42: ...41 Model MCC 060CR MLC 060CR For export spec with SLM control U1 4...

Страница 43: ...42 Model MCC 060CR MMC 060CR For export spec with SLM control U1 4...

Страница 44: ...43 Attachment 60Hz Outdoor Unit Model MLC 030C Cooling Only 60Hz 1 Phase 208 230V Model MLC 040 050C Cooling Only 60Hz 3 Phase 200 230V Model MLC 040 050CR Cooling Only 60Hz 3 Phase 200 230V...

Страница 45: ...44 3 Phase for 2 3 HP Outdoor Unit Model MLC 020 025B Cooling Only 3 Phase 50 Hz 380 415V Model MLC 030C Cooling Only 3 Phase 50 Hz 380 415V...

Страница 46: ...45 Model MLC 020 025BR Heat pump 3 Phase 50Hz 380 415V Model MLC 030CR Heat pump 3 Phase 50Hz 380 415V...

Страница 47: ...C 020 025B Cooling Only 50Hz 1 Phase 220 240V 60Hz 1 Phase 208 230V Outdoor Unit Model MLC 030C Cooling Only 50Hz 1 Phase 220 240V 60Hz 1 Phase 208 230V Outdoor Unit Model MLC 040 050C Cooling Only 50...

Страница 48: ...tdoor Unit Model MLC 020 025BR Heat pump 50Hz 1 Phase 220 240V Outdoor Unit Model MLC 030CR 50Hz 1 Phase 220 240V 60 Hz 1 Phase 220V Outdoor Unit Model MLC 040 050CR 50Hz 3 Phase 380 415V 60Hz 3 Phase...

Страница 49: ...48 Low Ambient Unit Optional Outdoor Unit Model MLC 010B 015B 50Hz Outdoor Unit Model MLC 020B 025B 50Hz...

Страница 50: ...49 Low Ambient Unit Outdoor Unit Model MLC 010 015BR 50Hz 1 Phase 220 240V Outdoor Unit Model MLC 020BR 50Hz 1 Phase 220 240V Outdoor Unit Model MLC 025BR 50Hz 1 Phase 220 240V...

Страница 51: ...to expose the R407C system too long to moist air 4 Check list before installation servicing Tubing Refrigerant R407C is more easily affected by dust of moisture compared with R22 make sure to temporar...

Страница 52: ...R407C in vapour phase is different from liquid phase f Normally the R407C cylinder or can is being equipped with a dip pipe for liquid withdrawal However if the dip pipe is not available invert the cy...

Страница 53: ...Of Indoor Unit The indoor unit must be installed such that there is no short circuit of the cool discharge Comply to the installation clearance recommended Do not put the indoor unit where there is di...

Страница 54: ...g regulations and ensure that they are complied with Besides take note of the following general precaution Ensure that the rated voltage of the unit correspond to the name plate before commencing wiri...

Страница 55: ...bute plenty of air thus lowering the condensing temperature A place capable of bearing the weight of the outdoor unit and isolating noise and vibration A place protected from direct sunlight Otherwise...

Страница 56: ...10 10 For cooling unit need to add external accumulator Recommended 6kg accumulator Piping Sizes Flare Connection Type Piping sizes are as follows MODEL 010 015 020 025 Liquid mm in 6 35 1 4 6 35 1 4...

Страница 57: ...ot touch the hot refrigerant piping compressor or any moving parts of fan motors Vacuuming and charging The precharged outdoor unit does not need any vacuuming or charging However once it is connected...

Страница 58: ...r some water into drain pan Test run 1 Conduct a test run after water drainage test and gas leakage test 2 Watch out for the following a Is the electric plug firmly inserted into the socket b Is there...

Страница 59: ...OUR DEALER OUTDOOR COIL SENSOR CONTACT LOOSE SHORT CALL YOUR DEALER GAS LEAK CALL YOUR DEALER COMPRESSOR OVERLOAD CALL YOUR DEALER Heat pump C3B Board HIGH FAN MED FAN LOW FAN COOL SLEEP TIMER HEAT OP...

Страница 60: ...setting range is between 1 to 10 hours 6 Sleep mode Press button to activate the sleep function This function can only be activated under cool or heating mode operation When it is activated under cool...

Страница 61: ...y if required Condensate Drain Pan Pipe 1 Check and clean Every 3 months Indoor Fan 1 Check for unusual noise As necessary Indoor Outdoor Coil 1 Check and remove dirt which are clogged between fins 2...

Страница 62: ...h oil mist and dust the coils must be regularly cleaned by qualified Air Conditioner Service Technicians to ensure sufficient heat exchange and proper operation Otherwise the systems life span may be...

Страница 63: ...air filter is dirty The doors or windows are open The air entrance and exit are clogged The regulate temperature is not high enough 4 The remote control light is deficient The batteries are discharge...

Страница 64: ...nents Tighten The Connections Get The Right Voltage Check The Power Supply To The Motor Repair When Necessary Faulty Fan Motor Defective Operation Switch Change The Contactor Repair The Contacts Repai...

Страница 65: ...e Switch If Required Repair or Change If Necessary Get The Right Voltage Check The Power Line To The Compressor Repair When Necessary High Suction Pressure High Discharge Pressure or Low Suction Press...

Страница 66: ...The Restriction Adjust The Fan Speed Remove Obstacles To Air Circulation Repair Or Replace If Necessary Restricted Low Low Refrigerant Charge Add Refrigerant See Low Discharge Pressure Remove The Res...

Страница 67: ...nsable gases in refrigerant circuit e g oil 3 Obstructed air intake discharge 4 Short circuiting of hot air outdoor unit High Side Low Side 1 Poor compression no compression compressor defective 2 Che...

Страница 68: ...e Restriction e g at strainer capillary filter dryer etc Compressor Less or no compression Low running current Room overcrowded with people Windows doors wide open Check air circulation Indoor Outdoor...

Страница 69: ...68 Parts List Parts List Model MCC 010 C CR 1 TOP SIDE PANEL 2 FAN DECK 3 COIL 4 PRIMARY DRAIN PAN 5 SECONDARY DRIP PAN 6 HANGER 7 CONTROL BOX...

Страница 70: ...69 Model MCC 015 020 025 C CR 1 TOP SIDE PANEL 2 FAN DECK 3 COIL 4 PRIMARY DRAIN PAN 5 SECONDARY DRIP PAN 6 HANGER 7 CONTROL BOX...

Страница 71: ...70 Model MCC 030 C 1 PANEL TOP ASSY 2 TERMINAL BOX ASSY 3 COIL TUBING ASSY 4 DRAIN PAN SMALL ASSY 5 DRAIN PAN BIG ASSY 6 BLOWER ASSY 7 BLOWER PANEL 8 BLOWER FLANGE...

Страница 72: ...71 Model MCC 030 CR 1 PANEL TOP ASSY 2 TERMINAL BOX ASSY 3 COIL TUBING ASSY 4 DRAIN PAN SMALL ASSY 5 DRAIN PAN BIG ASSY 6 BLOWER ASSY 7 BLOWER PANEL 8 BLOWER FLANGE...

Страница 73: ...72 Model MCC 040 C 1 PANEL TOP ASSY 2 TERMINAL BOX ASSY 3 COIL TUBING ASSY 4 DRAIN PAN SMALL ASSY 5 DRAIN PAN BIG ASSY 6 BLOWER ASSY 7 BLOWER PANEL 8 BLOWER FLANGE...

Страница 74: ...73 Model MCC 040 CR 1 PANEL TOP ASSY 2 TERMINAL BOX ASSY 3 COIL TUBING ASSY 4 DRAIN PAN SMALL ASSY 5 DRAIN PAN BIG ASSY 6 BLOWER ASSY 7 BLOWER PANEL 8 BLOWER FLANGE...

Страница 75: ...74 Model MCC 050 C 1 PANEL TOP ASSY 2 TERMINAL BOX ASSY 3 COIL TUBING ASSY 4 DRAIN PAN SMALL ASSY 5 DRAIN PAN BIG ASSY 6 BLOWER ASSY 7 BLOWER PANEL 8 BLOWER FLANGE...

Страница 76: ...75 Model MCC 050 CR 1 PANEL TOP ASSY 2 TERMINAL BOX ASSY 3 COIL TUBING ASSY 4 DRAIN PAN SMALL ASSY 5 DRAIN PAN BIG ASSY 6 BLOWER ASSY 7 BLOWER PANEL 8 BLOWER FLANGE...

Страница 77: ...76 Model MCC 060 C 1 PANEL TOP ASSY 2 TERMINAL BOX ASSY 3 COIL TUBING ASSY 4 DRAIN PAN SMALL ASSY 5 DRAIN PAN BIG ASSY 6 BLOWER ASSY 7 BLOWER PANEL 8 BLOWER FLANGE...

Страница 78: ...77 Model MCC 060 CR 1 PANEL TOP ASSY 2 TERMINAL BOX ASSY 3 COIL TUBING ASSY 4 DRAIN PAN SMALL ASSY 5 DRAIN PAN BIG ASSY 6 BLOWER ASSY 7 BLOWER PANEL 8 BLOWER FLANGE...

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