McQuay MQS-24018-CFC216A Installation And Operation Manual Download Page 1

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Floor Ceiling Air-Conditioning Unit

(

1.5TON - 5TON

)

Please read this manual carefully before using this product and keep it properly for future reference.

Installation and Operation Manual

Unit Model:

Indoor unit

MQS-24018-CFC216A

MQS-24024-CFC216A

MQS-24030-CFC216A

MQS-24036-CFC216A

MQS-24048-CFC216A

MQS-24060-CFC216A

Summary of Contents for MQS-24018-CFC216A

Page 1: ...ad this manual carefully before using this product and keep it properly for future reference Installation and Operation Manual Unit Model Indoor unit MQS 24018 CFC216A MQS 24024 CFC216A MQS 24030 CFC2...

Page 2: ......

Page 3: ...t be adopted as signal line or wiring communication of wired controller once the unit is installed in the place where there is electromagnetic interference Make sure communication line is connected in...

Page 4: ...uttons 8 5 Wired Remote Controller 11 6 Maintenance 29 7 Operating Instructions 30 8 Precautions 31 9 Trouble Shooting 32 10 Installation Notes 33 11 Instructions of the Unit Installation 34 11 1 Inst...

Page 5: ...ing Display of temperature or malfunction code Air outlet CAUTIONS Wrong wiring will cause electrical malfunction Do not pull the wire when fixing it with wire clamps Do not make the wire too loose in...

Page 6: ...pment is transferred to a new user be sure also to hand over the manual WARNING zBe aware that prolonged direct exposure to cool or warm air from the air conditioner or to air that is too cool or too...

Page 7: ...l disaster such as a flood or typhoon Do not operate the air conditioner in that case otherwise a malfunction electric shock or fire may result zDo not start or stop operating the air conditioner with...

Page 8: ...nto contact with a source of fire such as a fan heater stove or cooker Be sure to cut off the power supply before touching any electrical parts zBe sure to cut off the power supply before touching any...

Page 9: ...play on or around the outdoor unit If they touch the unit carelessly injury may be caused zConsult our dealer regarding cleaning the inside of the air conditioner Improper cleaning may cause breakage...

Page 10: ...gasoline are handled Operating the unit in such conditions may result in fire 3 Defrosting Control Heat Pump The Defrosting Mode After the compressor consecutively runs for t minutes it will start de...

Page 11: ...OOLING mode while the outdoor unit defrosting Forced Defrosting By pressing the forced defrosting button the A C starts to defrost promptly At the same time the 4 way valve is energized the fan motor...

Page 12: ...roller is applicable to many units Some buttons unavailable in this unit such as TURBO BLOW LIGHT TEMP HEALTH SAVE and would not described below Fig 4 1 1 ON OFF button After powering the unit when th...

Page 13: ...Hour On Off will appear and flash in the display In this case press the button to adjust time press the button continuously to change timing value quickly The setting time ranges from 0 5 to 24 hr Pre...

Page 14: ...range 4 It should be placed 1m away from the TV set or stereo sound sets 5 If the remote controller fails to operate normally please take the batteries out and then reinsert them 30s later if it still...

Page 15: ...5 Wired Remote Controller 5 1 Displaying Part Fig 5 1 Outline of wired controller 5 1 1 LCD Display of Wired Controller Fig 5 2 LCD display 11...

Page 16: ...ure on off mode or save is shielded by long distance monitoring 13 Turbo Turbo function state 14 Memory Memory state Indoor unit resumes original setting state after power failure and then power recov...

Page 17: ...5 Function Switchover among these functions of air sleep turbo save e heater blow quite 7 Timer Timer setting 8 On off Turn on off indoor unit 4 Mode and 2 Memory function Press Mode and for 5s under...

Page 18: ...late 3 Joint the controller s soleplate on wall face and then fix it in mounting hole with screws M4X25 4 Insert the 4 core twisted pair line through rectangle hole into controller s slot and buckle t...

Page 19: ...state shown in Fig 5 5 indicates off state of the unit after energization The state shown in Fig 5 6 indicates on state of the unit after energization Fig 5 5 Off state of the unit Fig 5 6 On state of...

Page 20: ...inuously temperature will be increased or decreased by 1 C every 0 5s In Cooling Dry Fan and Heating mode temperature setting range is 16 C 30 C In Auto mode the setting temperature is un adjustable A...

Page 21: ...sing Timer button to confirm timer mode will be switched to timer off setting mode In this case LCD displays xx Hour with OFF blinking In this case press or button to adjust timer off and then press T...

Page 22: ...press either of them continuously setting time will automatically increase decrease by 0 5hr every 0 5s Note 1 If both timer on and timer off are set in unit on interface the wired controller only di...

Page 23: ...air valve runs for 2 4 min 5 The unit continuously runs for 60min and fresh air valve runs for 30 min 6 The unit continuously runs for 60min and fresh air valve runs for 36 min 7 The unit continuousl...

Page 24: ...12 Fig 5 12 Sleep setting Sleep setting is clear after power failure and then power recovery There is not sleep function in fan and auto mode Note In cooling and dry mode if the unit with sleep functi...

Page 25: ...et function 5 4 10 SAVE Function Setting Energy Saving Function Energy saving can make the air conditioner runs in a smaller temperature range by setting lower limited value of setting temperature in...

Page 26: ...e After setting of save sleep function will be canceled 2 In save mode if Function button is pressed or there is not any operation within 5s after the last button operation the system will be quit fro...

Page 27: ...button to turn on this function In this case the E HEATER will be displayed which means E heater is allowed to be turned on If auxiliary electric heating function is on press Function button to confir...

Page 28: ...s function In BLOW mode press Function button till the unit enters BLOW function and then press Enter cancel button to cancel this function BLOW function setting is shown in Fig 5 16 Fig 5 16 Blow fun...

Page 29: ...in Fig 5 17 Fig 5 17 Quiet function setting Note 1 During quiet function fan speed is un adjustable 2 When turning on auto quiet function the unit will enter quiet running state according to temperat...

Page 30: ...here are 2 types for selection 3 low grades LCD displays 01 3 high grades LCD displays 02 Three low grades indicate high medium and low grades and 3 high grades indicate super high high and medium gra...

Page 31: ...rly If there are multiple circuit systems the system number of failed system will be displayed before the colon not for single system If malfunction occurs turn off the unit and contact nearest dealer...

Page 32: ...d controller could not be disassembled and the control wire to be used for the wired controller should not be changed by users optionally The installation and maintenance should be carried out by the...

Page 33: ...ce Before inspection and maintenance of the unit please turn off the unit and set the power switch to OFF to cut off the power supply Cleaning the Air Filters Remove the air filter clean it by a vacuu...

Page 34: ...of the filter is only permitted to be done by the professionals Before open the grille to clean the filter please cut off the power supply and wait unit the fan motor stops 1 The temperature should no...

Page 35: ...he air conditioner is running as it may cause damage or personal injury Also pay special attention when children are around 3 Do not locate any obstacle against the air flow direction of indoor and ou...

Page 36: ...remote controlling fall Replace batteries The system does not operate at all Out of the remote controlling range Keep the distance in 10m The system stops right after it is started Object at the air...

Page 37: ...10 Installation Notes 33...

Page 38: ...ain the condensation water fluently Fig 11 1 Unit mm Model A B C D E 1220 225 1158 700 280 1420 245 1354 700 280 1700 245 1634 700 280 Cautions for Installation Where Air Conditioner Trouble is Likely...

Page 39: ...e that the installation conform to the installation dimension diagram The space around the unit is adequate for ventilation see Fig 11 3 60cm or more 150cm or more 100cm or more 30cm or more 60cm or m...

Page 40: ...olt Fig 11 5 Set the suspension bolts Use M10 size suspension bolts Adjust the distance between the unit and the ceiling slab beforehand see Fig 11 6 Fix the hanger bracket to the suspension bolt 35mm...

Page 41: ...cket fixing bolts M6 to prevent the movement of the indoor unit See Fig 11 6 Adjust the height of the unit to incline slightly the rear side of the drain pipe so as to optimize the drainage CAUTIONS A...

Page 42: ...1018 1107 1107 B 378 412 427 412 440 440 C 690 695 790 840 1100 1100 D 550 572 610 572 631 631 E 378 378 395 378 400 400 38 1 5TON SIDE DISCHARGE OUTDOOR UNIT DISCHARGE OUTDOOR UNIT 2 TON SIDE DISCHA...

Page 43: ...Fig 11 12 Unit mm Item Model A B C D E F 1255 460 1350 776 422 490 Fig 11 13 Unit mm 851 750 750 A B C 39 A B C Item Model DISCHARGE OUTDOOR UNIT 5 TON SIDE DISCHARGE OUTDOOR UNIT 5 TON SIDE...

Page 44: ...B Schematic Diagram of Installation Spaces 40 Fig 11 14 Fig 11 15...

Page 45: ...on Ensure that the wind and noise from the unit not affect your neighbors 4 Avoid direct sunshine over the unit It is better to set up a sun shield as protection 5 Place of installation must be able t...

Page 46: ...the pipe may break Please use a bender when bending the fitting pipes 4 Use sponge to wrap the connecting pipe and joint without thermal insulation and use plastic tape to bundle the sponge 5 Remove...

Page 47: ...the gas and liquid connecting pipes must be covered by thermal insulation materials be bundled by adhesive tape and be isolated from air refer to Fig 11 19 2 The joint connecting the indoor unit must...

Page 48: ...ust be installed by professionals WARNINGS If the flexible line of the power supply or the signal line of the equipment is damaged only use special flexible line to replace it 1 Before connecting line...

Page 49: ...corresponding mainboard according to the unit type and then check whether the mainboard code is right according to the mainboard The relation between mainboard type and unit type Main board Z4G25A Co...

Page 50: ...rom lower to the upper part 2 All pipes are bound and taped together and also should be trapped to prevent water from returning to the room See Fig 11 22 3 Restraint all pipes to the wall with saddles...

Page 51: ...n hose completely into the drain socket and tighten the clamp within the range of the gray tape unit the screw head is less than 4mm above the hose refer to Fig 11 24 Fig 11 25 Fig 11 2 4 Fig 11 2 5 5...

Page 52: ...Fig 11 27 48...

Page 53: ...sate water may drip Does drainage flow smoothly Condensate water may drip Does the power supply voltage correspond to that shown on the nameplate The unit may malfunction or the components burn out Ar...

Page 54: ...are subject to change with the improvement of products in which case the values on nameplate should prevail WARNINGS z This appliance is not intended for use by persons including children with reduce...

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