ACPro AWHD(24)ND3GO Installation Manual

Text of ACPro AWHD(24)ND3GO User Guide:

• Ʋƴ Technical Information NO Reconnect the wire properly NO The wiring of the compressor is connected properly? The unit appears desynchronizing as soon as energizing and starting The stop duration of the compressor is longer than 3 minutes? End Eliminate the malfunction The eletric expansion valve is broken? Replace the outdoor mainboard NO NO 3. Compressor desynchro

• ACPro AWHD(24)ND3GO, ƴƱ Technical Information ÌWarning: Be sure to wait a minimum of 20 minutes after turning off all power supplies and discharge the refrigerant completely before removal. Step Procedure 1. Remove big handle and wire connection cover Before disassembly, remove the screws fixing big handle and right side plate to remove the big handle. Remove the screws fixing wire connection cover and right side plate to remove the wire connection cover. AWHD(18)ND3EO AWHD(18)ND3FO AWHD(18)ND3GO ƶɌ REMOVAL PROCEDURE ! big ha

• ACPro AWHD(24)ND3GO, ƵƱ Technical Information Step Procedure 6. Remove soundproof sponge and 4-way valve assy Since the piping ports on the soundproof sponge are torn easily, remove the soundproof sponge carefully Discharge the refrigerant completely; unsolder the pipelines connecting the compressor and the condenser assy,and then remove the 4-way valve assy. 7. Remove Isolation sheet Remove the 3 screws fixing the isolation sheet and then remove the Isolation sheet. 4-way valv e assy Connection Pipe soundproof sponge Isolation sheet

• ƴƸ Technical Information AWHD(24)ND3EO AWHD(24)ND3FO AWHD(24)ND3GO Step Procedure 1. Remove valve cover and top panel Twist off the screws used for fixing and valve cover, pull valve cover up ward to remove it. Remove the 3 screws connecting the top panel with the front panel and the right side plate, and then remove the top panel. 2. Remove grille,front side plate and

• ƲƳ Technical Information Flow chart: For 24k Power supply is abnormal? Start Check if power supply is normal End Replace the outdoor mainboard Turn on the unit after the power supply resumes to normal situation YES NO Check if the outdoor induction is broken The induction is broken Replace the induction Malfunction is eliminated YES NO NO YES

• ACPro AWHD(24)ND3GO, Ʋƶ Technical Information 4. Compressor overload, discharge protection malfunction Main checking points: • If the eletric expansion valve is connected well or it is broken; • If there is refrigerant leakage; • If the overload protector is broken; Flow chart: Check the resistance between the two ends of the overload protector in ambient temperature, if the resistance is below 1k Start If the overload protector is connected well? End Eliminate the malfunction If the wiring of the electric expansion valve is connected well? Check the coil of the eletric expansion valve, replace it if it is broken Check the refrigerant status, if there is refrigerant leakage, recharg

• ƴƲ Technical Information Step Procedure 2. Remove top cover Remove the screws fixing top cover, panel and left & right side plate, to remove top cover. 3. Remove grille Remove the screws fixing grille and panel, to remove the grille on the panel. 4.Remove panel Remove the screws fixing panel, chassis and motor support, to remove the panel. top cover grille panel

• ACPro AWHD(24)ND3GO, ƵƸ Technical Information AWHD(24)ND3EO AWHD(24)ND3FO AWHD(24)ND3GO 1234 8756 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 Ɣ BOTTOM VIEW No Name 1 Terminal of compressor 2 Low pressure protection terminal 3 High pressure protection terminal 4 Overload protection terminal ofcompressor 5 Temperature sensor t erminal of outdoor unit 6 Electric heating terminal of chassis 7 Electric heating terminal of compressor 8 Terminal of outdoor unit 9 Terminal of 4-way valve 10 Temperature sensor for liquid valve and gas valve for unit A 11 T

• ACPro AWHD(24)ND3GO, ƳƷ Technical Information No. Description Part Code QTY AWHD(18)ND3GO Product Code CB228W07700 1 Front Grill 01473049 1 2 Front Panel Assy 00000300024 1 3 Chassis Sub-assy 02803263P 1 4 Drainage Connecter 06123401 1 5 Drainage hole Cap 06813401/76713033/76713068 1 6 Gas-liquid Separator Assy 07223048 1 7 Compressor and Fittings 00105249G 1 8 Electric Heater(Compressor) 7651300403 1 9 Tube Connector Sub-assy / / 10 Magnet Coil 4300040045 1 11 4-Way Valve Assy 03073328 1 12 Right Side Plate 0130326801P 1 13 Valve Support Assy 03016300003 1 14 Electronic Expansion Valve assy 03017400020 1 15 Valve

• ƳƲ Technical Information Replace outdoor fan NO It is a normal protection, please operate the unit after the outdoor ambient temperature has changed YES If the indoor and outdoor radiation is insufficient If the outdoor ambient temperature is above 127.4 F End If the outdoor fan is working normally Replace the outdoor mainboard 9. Anti-high temperatureand overload malfunction Main check

• ACPro AWHD(24)ND3GO, ƴ Technical Information Start installation Preparation before installation Read the requirements for electric connection Select installation location Prepare tools Select indoor unit installation location Select outdoor unit installation location Install wall-mounting frame, drill wall holes Connect pipes of indoor unit and drainage pipe Connect wires of indoor unit Bind up pipes and hang the indoor unit Install the support of outdoor unit (select it according to the actual situation) Fix outdoor unit Make the bound pipes pass through the wall hole and then connect outdoor unit Install drainage joint

• ACPro AWHD(24)ND3GO, ƵƵ Technical Information Bi_.B[_i WIRING DIAGRAM Instruction Symbol Symbol Color Symbol Symbol Color Symbol Name WH White GN Green COMP Compressor YE Yellow BN Brown Grounding wire RD Red BU Blue / / YEGN Yellow/Green BK Black / / VT Violet OG Orange / / OUTDOOR UNIT AWHD(18)ND3EO AWHD(18)ND3FO AWHD(18)ND3GO 63610000144 N(1) 2 3 L2 3 2 L1 N(1) 3 2 N(1) BLOCK TERMINAL BLOCK TERMINAL N(1) 2 3 θ θθθ INDOOR UNIT A RT1 RT2 RT3 OUTTUBE TEMP.SENSOR OUTROOM TEMP.SENSOR EXHAUST TEMP.SENSOR 4YV COMP M1 FAN MOTOR EKV 5 5 BK FB YEGN G OFAN G G EH COMPRESSOR BAND HEATE

• ACPro AWHD(24)ND3GO, ƲƵ Technical Information Unit radiation is good? Desynchronizing happens during operation Outdoor unit is working? End Replace the outdoor mainboard Input voltage is normal? Refrigerant amount is too much? NO Eliminate the malfunction YES YES Replace the compressor Check if fan terminal is connected well Improve radiation situation of the unit (such as cleaning the heat exchanger, improve ventilation Turn on the unit after the power supply voltage resumes normal Charge refrigerant according to the service manual Replace the outdoor unit Replace the fan capacitor NO NO YES YES NO NO YES

• ACPro AWHD(24)ND3GO, Ƴƹ Technical Information No. Description Part Code QTY AWHD(24)ND3EO Product Code CB228W04200 CB228W04203 1 Front Grill 01473050 01473050 1 2 Cabinet 0143500401P 0143500401P 1 3 Left Handle 26235401 26235401 1 4 Front Side Plate 01305086P 01305086P 1 5 Electrical Heater (Chassis) 7651000411 7651000411 1 6 Chassis Sub-assy 02803280P 02803280P 1 7 Gas-liquid Separator 07223048 07223048 1 8 Compressor and Fittings 0010524501G 0010524501 3 9 Electric Heater(Compressor) 7651873215 7651873215 1 10 Tube Connector Sub-assy 0

• ACPro AWHD(24)ND3GO, ƲƲ Technical Information 2. PFC protection malfunction, capacity charging malfunction Main checking points: • If the wiring of the induction is connected well and if the induction is broken; • If the mainboard is broken; Flow chart: For 18k Power supply is abnormal? Start Check if power supply is normal End Replace the outdoor mainboard Turn on the unit after power supply resumes normal YES NO

• ACPro AWHD(24)ND3GO, ƳƳ Technical Information ƴ.3 MAINTENANCE METHOD FOR NORMAL MALFUNCTION 1. Air Conditioner Cant be Started Up Possible Causes Discriminating Method (Air conditioner Status) Troubleshooting No power supply, or poor connection for power plug After energization, operation indicator isnt bright and the buzzer cant give out sound Confirm whether its due to power failure. If yes, wait for power recovery. If not, check power supply circuit and make sure the power plug is connected well. Wrong wire connection between indoor unit and outdoor unit, or poor connection for wiring terminals Under normal power supply circumstances, operation indicator isnt br

• ACPro AWHD(24)ND3GO, Ʒ Technical Information Ƴ.3 INSTALLATION DIMENSION DIAGRAM Use suitable instruments for the refrigerant R410A. Do not use any other refrigerant than R410A. Do not use mineral oils to clean the unit. The installation must be done by trained and qualified service personnel with reliability according to this manual. Contact service center before installation to avoid the malfunction due to unprofessional installation. When picking up and moving the units, you must be guided by trained and qualified person. Ensure that the recommended space is left around the appliance . ! ! ! ! ! AWHD(18)ND3EO AWHD(18)ND3FO AWHD(24)ND3EO AWHD(24)ND3FO

• ACPro AWHD(24)ND3GO, ƴƶ Technical Information Step Procedure 14. Remove suction pipe sub-assy Welding cut the welding point jointing the suction pipe sub-assy, compressor and liquid receiver, to remove the suction pipe sub-assy. 15. Remove liquid receiver Remove the screws fixing isolation sheet and liquid receiver and lift to remove the liquid receiver. 16.Remove the isolation sheet assy Remove the screws fixing isolation sheet and condenser side plate, to remove the isolation sheet assy. suction pipe sub-assy liquid receiver isolation sheet assy

• ACPro AWHD(24)ND3GO, ƴƹ Technical Information Step Procedure Remove the 5 screws connecting the panel with the chassis and the motor support, and then remove the panel. 3. Remove right side plate and left side plate Remove the scre ws connecting the right side plate with the chassis, the valve support and the electric box, and then remove the right side plate assy . Remove the screws connecting the left side plate and the chassis, and then remove the left side plate assy. panel right side plate left side plate

• ACPro AWHD(24)ND3GO, 1 Technical Information PART I : TECHNICAL INFORMATION Ʋ. NOTES FOR INSTALLATION AND MAINTENANCE SAFETY PRECAUTIONS: IMPORTANT! Please read the safety precautions carefully before installation or prior to performing any maintenance. Please follow instructions below. • Maintenance or installation MUST be in accordance with instructions. • Comply with ALL local and national electrical codes. • Pay attention to ALL warnings and cautions in this manual. • Any maintenance and/or installation shall be performed by distr

• ACPro AWHD(24)ND3GO, Ƴƶ Technical Information No. Description Part Code QTY AWHD(18)ND3EO AWHD(18)ND3FO Product Code CB228W04100 CB228W07600 1 Front Grill 01473050 01473049 1 2 Front Panel Assy 01433069 01433069 1 3 Chassis Sub-assy 02803280P 02803263P 1 4 Drainage Connecter / 06123401 1 5 Drainage hole Cap / 06813401 1 6 Gas-liquid Separator Assy 07223048 07223048 1 7 Compressor and Fittings 0010524501G 00105249G 1 8 Electric Heater(Compressor) 7651873215 7651300403 1 9 Tube Connector Sub-assy 06643008 / 1 10 Magnet Coil 4300040045 4300040045 1 11 4-Way Valve Assy 03015200001 03073328 1 12 Right Side Plate 0131410000901P 0130326801P 1

• ACPro AWHD(24)ND3GO, ƹ Technical Information ƴ. TROUBLESHOOTING ƴ.1 FLASHING LED OF INDOOR/OUTDOOR UNIT AND PRIMARY JUDGEMENT 1. Requirement of malfunction display. When several malfunctions happen at the same time, malfunction codes will be displayed circularly. 2. Malfunction display method • Hardware malfunction: it will be displayed immediately, please refer to “Malfunction status sheet”; • Operation status: it will be displayed immediately, please refer to “Malfunction status sheet”; • Other m

• ACPro AWHD(24)ND3GO, ƲƱ Technical Information Malfunction is eliminated Test the isolation impedance between the three phases of the compressor and the copper pipe • If the resistance of compressor coil is normal? If the isolation of compressor coil with copper pipe is good? • If the unit is overloaded? If the heat radiation of the unit is good? • If the refrigerant charge is suitable? YES Energize the unit 1. if the indoor and outdoor heat exchanges are dirty, if there is obstacle to affect the radiation; 2. if the indoor and outdoor fans are running normally; 3. if the pressure of the system is too high; 4. if the refrigerant is too much which causes the high level of pre

• ACPro AWHD(24)ND3GO, ƳƱ Technical Information NO Replace the filter board of the outdoor unit Eliminate the malfunction Replace the connection wire Eliminate the malfunction NO Reconnect according to the wiring diagram Eliminate the malfunction Connected correctly? All the indoor units appear communication malfunction De-energize,check if the connection wire of indoor and outdoor unit and the wire of the eletric box is connected correctly End Check if there is power input between the netrual wire and live wire of the o

• ACPro AWHD(24)ND3GO, Ƶƴ Technical Information REFRIGERANT SYSTEMD IAGRAM A1:A-unit electronic expansion valve B1:B-unit electronic expansion valve C1:C-unit electronic expansion valve D1:D-unit electronic expansion valve outdoor indoor D1 C 1 B1 A1 filter A heat exchanger gas -liquid separator inverter compressor discharge silencer discharge temperature sensor SP 4-way valve outdoor heat exchanger fan high pressure switch B heat exchanger C heat exchanger D heat exchanger filter filter filter filter Note: Not available for 14K/18K model C2 C3

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