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Service

Guide

Book

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Содержание M4LC

Страница 1: ...Service Guide Book...

Страница 2: ...Operating Guide G6 11 G7 13 G11 15 G17 17 SLM3 19 Sequential LCD 21 Netware 3 23 Controller Configuration Auto Random Restart 25 Hot Keep Selection 26 Auxiliary Heater Conversion 27 Multi Split Conver...

Страница 3: ...rizontal Water Source Heatpump Unit WH MWH 11 Air Cooled Mini Chiller AC 4AC 5AC MAC M4MAC M5MAC 12 Single Split Condensing Unit SL 4SL 5SL MLC M4LC M5LC 13 Single Split AC Inverter Condensing Unit SL...

Страница 4: ...n C Export with CE mark Air Treatment Devices Control I Negative Ion L Bare Unit Grille Type A Grille A Others A First Issue Model Name WM Wall Mounted CK Ceiling Cassette Capacity 010 10 000 Btu h Mo...

Страница 5: ...Connection Type F Flare X Not Applicable Model Name WM Wall Mounted CK Ceiling Cassette Series G G Series Piping H 4 Pipes System Omitted if 2 pipes system Capacity 010 10 000 Btu h Brand M McQuay Mod...

Страница 6: ...c M Mitsubishi Specifications Variation O Standard Unit I Gold Fins G Low Ambient Unit H High Ambient Unit Others A First Issue Model Name LC Single Split Condensing Unit MC Modular Split Condensing U...

Страница 7: ...x 10 4 1 Flow Rate L s m 3 hr m 3 s U S GPM CFM 1 3 6 0 001 15 85 2 119 0 278 1 0 278 x 10 3 4 403 0 588 1000 3600 1 15850 2119 0 063 0 227 0 063 x 10 3 1 0 1337 0 472 1 7 0 472 x 10 3 7 481 1 Temper...

Страница 8: ...3 6 CE E Series X G11 SLM3 AC5300 Netware 3 7 CC C Series X SLM3 Netware 3 8 CC D Series X Netware 3 SLM3 SB B C Series SB 75 100B BR X SLM3 Netware 3 SB 125 150B BR X SLM3 SB 125CR X SLM3 9 SB 150B2...

Страница 9: ...e 3 16 CE EW Series X SLM3 AC5300 Netware 3 17 CC CW Series X SLM3 Netware 3 CW FCU 18 SB BW Series N A AC C Series AC 20 60C CR X C Panel AC 80 150C CR X C Panel 5AC 20 25C CR X C Panel Mini Chiller...

Страница 10: ...Chilled Water W1V2 G6 Netware 1 WM FW CE DW CC CW CK AW HSB BW Convertible PCB 2001 Sequential Controller Sequential Controller SB 150 500 B SB 150 500 BR Multiple compressor Universal Board D1 0 G6...

Страница 11: ...5 G WM 07 15 GR 2004 L2 0 WM 20 25 G WM 20 25 GR Cooling heatpump MC01 Chiller Panel AC 80 150 C AC 80 150 CR Cooling heatpump 2004 MCH01 Chiller Panel AC 20 60 C AC 20 60 CR Cooling heatpump CE 15 28...

Страница 12: ...C and F 3 Automatic Air Swing v Press the button to activate the automatic air swing function The swing angle ranging from horizontal to 25o to bottom 4 SLEEP MODE v Press the button to activate sleep...

Страница 13: ...o cancel the timer setting press the button continuously until the timer display goes off 6 Operation Modes v Press the mode button for select the type of operating mode v Cooling only unit Cool m Dry...

Страница 14: ...nditioner v Press again to stop the unit 4 Temperature Setting v To set the desired room temperature press the button to increase or decrease the set temperature v The temperature setting range is fro...

Страница 15: ...swing function v To distribute the air to a specific direction press the SWING button and wait until the louver move to the desired direction and press the button once again 10 Sleep Mode Setting v Pr...

Страница 16: ...button to decrease the set temperature v The temperature setting range is from 16 C to 30 C v Press both buttons simultaneously to toggle and from C to F setting 3 Operation Mode v Press the MODE but...

Страница 17: ...p Mode Setting v Press the SLEEP button will activate the sleep mode function This function is available under COOL HEAT and AUTO mode v When the unit is operating under cooling mode the set temperatu...

Страница 18: ...temperature setting range is from 16 C to 30 C optional setting 20 C to 30 C 4 Personalize Setting v Press and hold for 3s then will blink Press again to cycle between and v Set the desire setting the...

Страница 19: ...our and 3 C after 2 hours 8 Operating Mode v Press the MODE button to select the type of operating mode v For cooling only unit the available modes are COOL DRY and FAN 9 Fan Speed Selection v Press t...

Страница 20: ...ing range are between 16o C to 30o C 60o F to 80 o F 3 Operation Modes v Press the mode button for select the type of operating mode Cooling Only COOL DRY FAN Heat Pump AUTO COOL DRY HEAT FAN AUTO mod...

Страница 21: ...ter 2 hours If it is activated under HEAT mode operation the set temperature will be decreased 0 5 C after 30 minutes 1 C after 1 hour and 2 C after 2 hours 7 Air Swing v Press button to activate the...

Страница 22: ...ater to protect the compressor 2 Selecting Operating Mode Press the MODE key to select the type of operating mode Consecutive press of the key switches the operation over COOL HEAT AUTO and FAN 3 SAVE...

Страница 23: ...auto ON timer mode Under this mode press the respective MINUTE HOUR and DAY key to select the time of the week when the air conditioning unit is to automatically start running Press ON TIMER key again...

Страница 24: ...after the operation is stopped the unit will not restart until 3 minutes later to protect the compressor 2 Selecting Operating Mode Press the MODE key to select the type of operating mode Consecutive...

Страница 25: ...ay can be set by pressing the respective MINUTE HOUR and DAY key 7 Days Timer Press the ON TIMER key to activate auto ON timer mode Under this mode press the respective MINUTE HOUR and DAY key to sele...

Страница 26: ...25 Controller Configuration Auto Random Restart Shorted at JH JP1 J_LST jumper at main board for auto restart supplied Remove the jumper to have non auto restart D2 0 U1 5 SQ2 0 L2 0 L208A LW2 W2...

Страница 27: ...p if indoor coil temperature 30 C OFF b Fan runs at low speed if indoor coil temperature 30 C and stop if indoor coil temperature 18 C ON c Cycle of low fan running for 30s and fan off for 120s and re...

Страница 28: ...27 Auxiliary Heater Conversion To convert the standard U1 5 heatpump PCB to with auxiliary heater application the following components need to be added onto the PCB 1 Heater relay 2 Transistor 3 Diode...

Страница 29: ...eatpump Model L2 0 L208A WM GR The Multi Split mode can be selected at the slide switch on the On Off Switch Board Preset at OFF The outdoor coil sensor has to be removed from the PCB as the reading i...

Страница 30: ...e Auto heatpump no heater SQHn0 On Off On f Auto heatpump 1 heater SQHn1 Off On On g Auto heatpump 2 heater SQHn2 On On On Dip switch 3 Dip switch 4 a Default Off Off b 0 5 C On Off c 1 0 C Off On d...

Страница 31: ...ckup JH1 Plugged b Without last memory backup JH1 Removed The default differential temperature is base on number of compressor model the setting is as below 4 Hot Keep Option 5 Operating Modes The sys...

Страница 32: ...r 1 Compressor 2 Compressor 3 Compressor 4 2 seconds All 4 way valves 15 seconds Heater 1 15 seconds Heater 2 7 Sequential Control for Cool Mode The starting sequence for indoor fan outdoor fan and co...

Страница 33: ...wiring up to 1000 meters 9 1 Sequential Main Board SQMB01 Old Version 9 2 Sequential Main Board SQMB01 New Version U8 J1 J2 Rework instruction SQMB01 Main Board from old version to new version Step 1...

Страница 34: ...equential LCD Panel SQ LCD New Version Part 2051 MAX1483 IC MAX1483 Jumper J1 and J2 removed SQLCD LCD Panel from old to new Step 1 Remove Jumper J1 J2 Step 2 Add Chip Resistor 1 10W 5 200K to R8 R9 R...

Страница 35: ...configured as the jumper selection listed below Jumper Remained X Jumper Removed VALVE HEAT Jumper Location Model WM 05 25FW 1 VALVE jumper is plugged into JVLV connector on the emergency switchboard...

Страница 36: ...on X Cooling Mode Valveless Application X X M1 M2 M3 M4 Chilled Water Fan Coil Unit W2 0 The system model can be configured via the following jumpers For each model selected the permissible operating...

Страница 37: ...LED Indicator Light Display LED Light Diagnosis Table Operation Faulty Indication Timer On Sleep mode On Dry mode Defrost mode Room air sensor contact loose short Indoor coil sensor contact loose sho...

Страница 38: ...y Indication Cooling mode Dry mode Fan mode Heating mode Auto mode in heating operation Auto mode in cooling operation Defrost mode Compressor overload protection Indoor coil sensor contact loose shor...

Страница 39: ...operation Timer On Sleep mode On Ionizer On Fan mode On Dry mode On Room air sensor contact loose short Outdoor coil sensor contact open Indoor coil sensor contact open Compressor overload protection...

Страница 40: ...nostic Table Operation Faulty Indication Cooling mode Timer On Sleep mode On Heating mode Frost prevention mode Compressor overload protection Pump fault Gas leak Room indoor outdoor coil sensor conta...

Страница 41: ...g mode Timer On Sleep mode On Heating mode Auto mode in cooling operation Auto mode in heating operation Compressor overload protection Indoor coil sensor short Outdoor coil sensor short Pump fault Ga...

Страница 42: ...able Operation Faulty Indication Cooling mode Dry mode Fan mode Heating mode Auto mode in cooling operation Auto mode in heating operation Defrost mode Compressor overload protection Gas leak Outdoor...

Страница 43: ...ation Faulty Indication Cooling mode Dry mode Fan mode Heating mode Auto mode in cooling operation Auto mode in heating operation Compressor overload protection Indoor coil sensor short Outdoor coil s...

Страница 44: ...e for Ceiling Cassette Model only Model Board Handset WM 10 15 20 25G GR L2 0 SLM3 Netware 3 CK 20 50A AR L208A SLM3 Netware 3 CK 15 25B BR L208A SLM3 Netware 3 CK 10 20C CR L208A SLM3 Netware 3 CE 20...

Страница 45: ...5 SLM3 SB 125CR U1SB125 SLM3 SB 125 150D U1SB125 SLM3 SB 125 150ER U1SB125 SLM3 RT 55 120A AR U1SB125 SLM3 Seven Segment Display SLM3 Seven Segments Faulty Indication E1 blinking Room air sensor conta...

Страница 46: ...3 high temperature overload E22 Indoor coil sensor 3 open E05 Compressor 4 high temperature overload E23 Indoor coil sensor 4 open E06 Compressor 1 high pressure trip contact open E24 Outdoor coil sen...

Страница 47: ...Fan mode Heating mode Auto mode Defrost mode Compressor overload protection Indoor temperature sensors contact loose short Outdoor temperature sensor contact loose short Gas leak compressor overheat...

Страница 48: ...e On Dry mode On Defrost mode Indoor temperature sensor loose short Coil temperature sensor loose short Outdoor temperature sensor loose short Compressor overload protection IPM PFC error Outdoor tota...

Страница 49: ...ation Faulty Indication Cooling mode Timer On Sleep mode On Heating mode Defrost mode Indoor temperature sensor loose short Outdoor temperature sensor loose short Communication error Compressor overlo...

Страница 50: ...on Faulty Indication Cooling mode Dry mode Fan mode Heating mode Defrost mode Indoor temperature sensor loose short Outdoor temperature sensor loose short Communication error Compressor overload prote...

Страница 51: ...Model Seven Segments Faulty Indication E1 blinking Indoor temperature sensor loose short E2 blinking Outdoor temperature sensor loose short E3 blinking Communication error E4 blinking Compressor overl...

Страница 52: ...t sensor error 15 DC fan motor feedback error 2 Outdoor coil sensor error 16 AC peak current error 3 Outdoor discharge sensor error compressor overheat 17 Outdoor suction sensor error 4 DC compressor...

Страница 53: ...d Handset WM 07 25GW W2 WM 301W W2 CK 20 50AW AWH W2 CK 15 25BW W2 CK 10 20CW W2 CE 07 15CBW W2 CE 20 50DW W2 CE 15 25EW W2 CC 10 60CW W2 SLM3 Netware 3 SB 75 150BW N A No Controller Self Diagnostic T...

Страница 54: ...Indication Cooling mode Heating mode Auto mode in heating operation Auto mode in cooling operation Timer On Sleep mode On Ionizer On Room air sensor contact loose short Outdoor coil sensor contact lo...

Страница 55: ...tion Faulty Indication Cooling mode Timer On Heating mode Auto mode in cooling operation Auto mode in heating operation Compressor overload protection Pump fault Gas leak Room air sensor contact loose...

Страница 56: ...Netware 3 Cooling Heat pump Model Seven Segments Faulty Indication E1 blinking Room air sensor contact loose short E2 blinking Indoor coil sensor contact loose E3 blinking Outdoor coil sensor contact...

Страница 57: ...Reset thermostat Check the compressor capacitor Check and replace the capacitor Check the compressor Check and replace the compressor Fan work but compressor does not work Check the compressor contact...

Страница 58: ...mpression compressor defective 2 Check valve stick in open position 3 Reversing valve leaking for heatpump only High Side Low Side 1 Undercharged with refrigerant 2 Refrigerant leakage 3 Air filter cl...

Страница 59: ...r line Tripped Tripped Blown Running Fuse for operation circuit Components shorted Connections loose Repair or replace the components Tighten the connections Over current relay for evaporator fan High...

Страница 60: ...ompressor contactor Coil burnt Contact faulty Open compressor windings Incorrect wiring Change the contactor Change the contacts Change the compressor Correct the wiring The most common causes of air...

Страница 61: ...inlet outlet of indoor outdoor unit Change or repair the motor Remove the obstruction High cooling load Excessive heat source e g electric kettle Room overcrowded with people Windows doors wide open...

Страница 62: ...eating load Windows doors wide open Close the windows doors Refrigerant circuit Restriction e g at strainer capillary filter dryer etc Refrigerant short charge or refrigerant leakage Add refrigerant R...

Страница 63: ...it breakers when the fault has been corrected Check tightness and soundness of all electrical connection v Repair or replace v Determine the type of safety shut down and correct the unit is restarted...

Страница 64: ...perature adjust thermostat 23WA v Clean the filter v Remove the obstacle v Close the windows and doors Cool air does not come out Switch ON v The restart preventing circuit is in operation for 3 minut...

Страница 65: ...10 1 80E 01 1 83E 01 1 86E 01 60 2 89E 00 2 96E 00 3 01E 00 12 1 66E 01 1 69E 01 1 71E 01 62 2 71E 00 2 78E 00 2 84E 00 14 1 53E 01 1 55E 01 1 57E 01 64 2 55E 00 2 61E 00 2 67E 00 16 1 41E 01 1 43E 0...

Страница 66: ...Lot 60334 Persiaran Bukit Rahman Putra3 Taman Perindustrian Bukit Rahman Putra P O Box 79 47000 Sungai Buloh Selangor D E Malaysia Tel 603 61458600 Fax 60361412060 http www mcquayup com...

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