Vivax ACP-12CT35GECI Service Manual
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Vivax ACP-12CT35GECI Service Manual

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ENG
Service
manual
ACP-12CT35GECI
ACP-18CT50GECI
NNO-1/09
RoHS

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Summary of Contents for Vivax ACP-12CT35GECI

  • Page 1 Service manual ACP-12CT35GECI ACP-18CT50GECI RoHS NNO-1/09...

  • Page 3: Table Of Contents

    Table of Contents Summary and Features ................Part 1 Safety Precautions ..................Part 2 Specifications ....................2.1 Unit Specifications....................2.2 Operation Characteristic Curve................2.3 Capacity Variation Ratio According toTemperature..........2.4 Operation Data....................2.5 Noise Criteria Curve Tables for Both Models............Part 3 Construction Views ..................
  • Page 4 Table of Contents Part 8 Exploded Views and Parts List ..............34 8.1 Indoor Unit......................34 8.2 Outdoor Unit......................36 Part 9 Troubleshooting ....................40 9.1 Precautions Before Performing Inspection or Repair...........40 9.2 Confirmation......................40 9.3 Flashing LED of Indoor/Outdoor Unit and Primary Judgement......40 9.4 How to Check Simply the Main Part..............43 Part10 Removal Procedure ..................48...

  • Page 5: Summary And Features

    Summary and features Summary and Features Indoor Unit ACP-12CT35GECI ACP-18CT50GECI Outdoor Unit ACP-12CT35GECI ACP-18CT50GECI Remote control...

  • Page 6: Part 1 Safety Precautions

    Safety Precautions 1.Safety Precautions Installing, starting up, and servicing air conditioner can be Make sure the outdoor unit is installed on a stable, level hazardous due to system pressure, electrical components, surface with no accumulation of snow, leaves, or trash and equipment location, etc.

  • Page 7: Part 2 Specifications

    Specifications Specifications 2.1 Unit Specifications Model ACP-18CT50GECI Product Code CV01000020 Rated Voltage 220-240 Power Rated Frequency Supply Phases Power Supply Mode Indoor Cooling Capacity (Min Max) 3520 600~3950 Heating Capacity (Min Max) 4000 600~4700 Cooling Power Input (Min Max) 1080 220~1700 Heating Power Input (Min Max) 1108 220~1500 Cooling Power Current...
  • Page 8 Specifications Model of Outdoor Unit ACP-12CT35GECI Compressor Manufacturer/Trademark DIT/daikin Compressor Model 1YC23AEXD Compressor Oil DAPHNE FVC50K Compressor Type Rotary L.R.A. Compressor RLA 4.00 Compressor Power Input Overload Protector CS-7SA Throttling Method Capillary Operation temp 16 30 Ambient temp (cooling) 10 48...
  • Page 9 Specifications Model $&3&7*(&, Product Code CV01000030 Rated Voltage 220-240 Power Rated Frequency Supply Phases Power Supply Mode Indoor Cooling Capacity (Min Max) 5270 900~5600 Heating Capacity (Min Max) 5500 900~6600 Cooling Power Input (Min Max) 1630 360~2500 Heating Power Input (Min Max) 1520 350~2500 Cooling Power Current 7.09...
  • Page 10 Specifications Model of Outdoor Unit $&3&7*(&, China Resources (Shenyang) Sanyo Compressor Manufacturer/Trademark CO.,LTD/Sanyo Compressor Model C-6RZ146H1A Compressor Oil FV50S Compressor Type Rotary L.R.A. Compressor RLA 8.40 Compressor Power Input 1640 Overload Protector 1NT11L-3979 Throttling Method Capillary Operation temp 16 30 Ambient temp (cooling) 10 48 Ambient temp (heating)

  • Page 11: Operation Characteristic Curve

    Specifications 2.2 Operation Characteristic Curve 220V 220V Indoor : Outdoor : Indoor air flow : High Pipe length : 5m 230V 230V 240V 240V Indoor : Outdoor : Indoor air flow : High Pipe length : 5m 2.3 Capacity Variation Ratio According to Temperature Indoor : Indoor : Indoor air flow : High...

  • Page 12: Operation Data

    Specifications 2.4 Operation Data Cooling Temperature condition Standard Heat exchanger pipe temp Model Indoor fan Outdoor fan Compressor pressure name mode mode revolution(rps) Indoor Outdoor P(MPa) T1( ) T2( ) 27/19 35/24 0.9 to 1.1 12 to 14 70 to 40 Super High High Heating...

  • Page 13: Noise Criteria Curve Tables For Both Models

    Specifications 2.5 Noise criteria curve tables for both models Indoor side noise when blowing Cooling Heating 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 Indoor fan motor rotating speed Compressor frequency Hz Indoor side noise when blowing Cooling Heating 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17...

  • Page 14: Part 3 Construction Views

    Constrction views 3. Construction Views 3.1 Indoor Unit Unit:mm...

  • Page 15: Outdoor Unit

    Constrction views 3.2 Outdoor Unit 09K 12K Unit:mm Unit:mm...

  • Page 16: Part 4 Refrigerant System Diagram

    Refrigerant System Diagram 4. Refrigerant System Diagram INDOOR UNIT OUTDOOR UNIT GAS SIDE 3-WAY VALVE 4-Way valve Muffler Di s charge HEAT EXCHANGE (EVAPORATOR) Accumlator Suction COMPRESSOR HEAT EXCHANGE (CONDENSER) LIQUID SIDE 2-WAY VALVE Strainer Capillary Strainer COOLING HEATING Refrigerant pipe diameter Refrigerant pipe diameter 09K 12K Liquid : 1/4"...

  • Page 17: Part 5 Schematic Diagram

    Schematic Diagram 5. Schematic Diagram 5.1 Electrical Data Indoor Unit Symbol Color symbol Symbol Color symbol YELLOW BLACK PROTECTIVE EARTH YEGN YELLOW GREEN Outdoor Unit Symbol Parts name Symbol Color symbol Symbol Color symbol CBB61 BROWN WHITE CBB65 BLUE YELLOW OVERLOAD BLACK COMP COMPRESSOR...
  • Page 18 Schematic Diagram Outdoor Unit 09K 12K OVERLOAD COMP. PROTECTOR COMP YEGN EXHAUST OUTTUBE OUTROOM R(U) S(V) C(W) TEMP. SENSOR TEMP. SENSOR TEMP. SENSOR COMP-U COMP-V COMP-W OVC-COMP N(1) COMU AP1 PRINTED CIRCUIT BOARD AC-L1 YEGN TERMINAL BLOCK OFAN OFAN-BRW OFAN-RED LX-1 LX-2 AC-L2...

  • Page 19: Printed Circuit Board

    Schematic Diagram 5.3 Printed Circuit Board TOP VIEW Name Name Name Name Earthing wire Neutral wire input Jumper cap interface Wire controller interface Outdoor power supply Health function live wire Indoor tube DC fan interface interface interface temperature sensor Live wire input Lower...
  • Page 20 Schematic Diagram TOP VIEW 7 8 9 Name Name Name Power supply neutral wire input Fan interface Electric heating belt live wire Chassis electric heating belt Power supply live wire input Overload input neutral wire Compressor electric heating belt Communication interface Temperature sensor neutral wire Reactor interface 1...
  • Page 21 Schematic Diagram TOP VIEW Interface name Interface name Interface name Interface of compressor Fan HALL interfzce Earthing wire Overload protector of compressor Outdoor fam Neutral wire Temperature sensor Four-way valve Interface 1 of reactor Communication interface for indoor Outdoor tube temperature sensor PFC capacitor interface unit Electron expansion valve...

  • Page 22: Part 6 Function And Control

    Function and Control 6. Function and Control 6.1 Remote Controller Description ON/OFF Press it to start or stop operation. Press it to decrease temperature setting. : Press it to increase temperature setting. MODE Press it to select operation mode (AUTO/COOL/DRY/FAN/HEAT). Press it to set fan speed.
  • Page 23 Function and Control ON/OFF : Press this button to turn on the unit .Press this button again to turn off the unit. Press this button to decrease set temperature. Holding it down above 2 seconds rapidly decreases set temperature. In AUTO mode, set temperature is not adjustable. Press this button to increase set temperature.Holding it down above 2 seconds rapidly increases set temperature.
  • Page 24 Function and Control SLEEP: Press this button, can select Sleep 1 ( ), Sleep 2 ( ),Sleep 3 ( ) and cancel the Sleep, ● circulate between these, after electrified, Sleep Cancel is defaulted. Sleep 1 is Sleep mode 1, in Cool, Dehumidify modes: sleep status after run for one hour, the main ●...
  • Page 25 Function and Control TURBO: Press this button to activate / deactivate the Turbo function which enables the unit to reach the preset temperature in the shortest time. In COOL mode, the unit will blow strong cooling air at super high fan speed. In HEAT mode, the unit will blow strong heating air at super high fan speed.

  • Page 26: Description Of Each Control Operation

    Function and Control 6.2 Description of Each Control Operation 1. Cooling mode (1) Under this mode, the fan and the up swing will operate at setting status. The temperature setting range is 16~30 . (2) The unit is stopped because of malfunction of outdoor unit or protection. The indoor unit keeps original operation status and the error code is displayed.
  • Page 27 Function and Control 2. Auto button If this button is pressed, the unit will operate in AUTO mode and indoor fan will operate at auto speed; meanwhile, the swing motor operates. Press this button again to turn off the unit. 3.

  • Page 28: Part 7 Installation Manual

    Installation Manual 7. Installation Manual 7.1 Choosing an Installation Site Before choosing the installation site,obtain user approval. Indoor unit The indoor unit should be sited in a place where: 1) the restrictions on installation specified in the indoor unit installation drawings are met. 2) both air intake and exhaust have clear paths met.
  • Page 29 Installation Manual Location for securing the installation panel. Unit:mm 150cm or more Front grille Front panel 150cm or more 150cm or more...

  • Page 30: Installation Tips

    Installation Manual 7.3 Installation Tips 1.Removing and installing front pane Removal method 1)Slide until the 2 stoppers click into place 2)Open the front panel forward and undo the string 3)Remove the front panel Installation method 1)Attach the front grille and front panel after pulling the string around them.

  • Page 31: Indoor Unit Installation

    Installation Manual 7.4 Indoor unit Installation 1.Refrigerant piping 1)Drill a hole ( 65mm in diameter ) in the spot indicated by the symbol in the illustration ad below . 2)The location of the hole is different depending on which side of the pipe is taken out . 3)For piping ,see6.Connecting the refrigerant pipe ,under Indoor Unit Installation(1).

  • Page 32: Drain Piping

    Installation Manual 2. Boring a wall hole and installing wall embedded pipe For walls containing metal frame or metal board ,be sure to use a wall embedded pipe and wall cover in the feed-through hole to Inside Outside Wall embedded pipe (field supply) Be sure to caulk the gaps around the pipes with caulking material to prevent Caulking...

  • Page 33: Installing Indoor Unit

    Installation Manual 4. Installing indoor unit 3 tabs 4-1.Preparation Casing Open the front panel, remove the 4 screws and dis- mount the front grille while pulling it forward. Front grille Follow the arrows to disengage the clasps on the front case to remove it. Front panel Remove Follow the procedure below when removing the slit...
  • Page 34 Installation Manual The mounting plate should be installed on a wall which can support the weight of the indoor unit. 1) Temporarily secure the mounting plate to the wall, make sure that the panel is completely level, and mark the boring points on the wall.

  • Page 35: Connecting The Refrigerant Pipe

    Installation Manual 6.Connecting the refrigerant pipe 1)Use torque wrenches when tightening the flare nuts to prevent damage to the flare nuts and gas leaks. Open-end wrench (fixed) Coat here with refrigeration oil Flare nut Wrench Connection pipe Indoor unit tubing 2)Align the centres of both flares and tighten the flares and tighten the flare nuts 3 or 4 turns by hand.

  • Page 36: Connecting The Drain Hose

    Installation Manual 7.Checking for gas leakage 1)Check for leakage of gas after air purging 2)See the sections on air purges and gas leak checks in the installation manual for the outdoor unit. Check for leakage here Apply soapy water and ch- eck carefully for leaking gas.
  • Page 37 Installation Manual 10.Wiring With a Multi indoor unit, install as described in the installation manual supplied with the Multi outdoor unit. Live the sensor securing plate, remove the front metal plate cover, and connect the branch wiring to the terminal block. 1)Strip wire ends (15mm) 2)Mach wire colours with terminal numbers on indoor and outdoor unit’s terminal blocks and firmly screw wires to the corresponding terminals.

  • Page 38: Part 8 Exploded Views And Parts List

    Exploded Views and Parts list 8. Exploded Views and Parts List 8.1 Indoor Unit...
  • Page 39 Exploded Views and Parts list Part Code Description ACP12CT35GECI ACP-18CT50GECI Product Code CV010N0020 CV010N0030 Front Panel Assy 20012756 20012756 Filter Sub-Assy 11122119 11122119 Front Case Assy 20012601 20012601 Evaporator Assy 01002626 01002608 Rear Case assy 22202462 22202462 Centrifugal fan 10312005 10312005 Fan Motor 15012123...

  • Page 40: Outdoor Unit

    Exploded Views and Parts list 8.2 Outdoor Unit (1) Model: ACP-12CT35GECI...
  • Page 41 Exploded Views and Parts list Part Code Description ACP-12CT35GECI Product Code CV010W0020 Front grill 22413433 Front Panel 015330124 Chassis Sub-assy 01203806P Compressor and fittings 0010376301 Compressor Gasket 76713027 4-Way Valve Assy 03123487 Right Side Plate Sub-Assy 0130200001 Valve Support 01713041...
  • Page 42 Exploded Views and Parts list (2) Model: ACP-18CT50GECIO...
  • Page 43 Exploded Views and Parts list Part Code Description ACP-18CT50GECI Product Code CV010W0030 Front grill 22415002 Front Panel 01535008P Axial Flow Fan 10335008 Fan Motor 15015064 Supporting board(condenser) 01795010 Chassis Sub-assy 0120371401P Clapboard Sub-Assy 01232902 Compressor and fittings 00103501 Compressor Gasket '76710236 4-way Valve Assy 03123470...

  • Page 44: Part 9 Troubleshooting

    Troubleshooting 9. Troubleshooting 9.1 Precautions before Performing Inspection or Repair Be cautious during installation and maintenance. Do operation following the regulations to avoid electric shock and casualty or even death due to drop from high altitude. * Static maintenance is the maintenance during de-energization of the air conditioner. For static maintenance, make sure that the unit is de-energized and the plug is disconnected.
  • Page 45 Troubleshooting Communication malfunction of indoor Hardware malfunction blinks 6 times unit and outdoor unit Compressor phase current circuit Hardware malfunction blinks 12 times detection malfunction Compressor demagnetization protection Hardware malfunction blinks 14 times DC busbar voltage drop malfunction Hardware malfunction blinks 20 times Module temperature protection Hardware malfunction...
  • Page 46 Troubleshooting Compressor losing of synchronism blinks 7 times Compressor start failure blinks 11 times High discharge temperature protection of blinks 4 times compressor Overload protection blinks 8 times Complete unit overcurrent protection blinks 5 times Displayed Phase current overcurrent protection blinks 15 times remote controller...

  • Page 47: How To Check Simply The Main Part

    Troubleshooting 9.4 How to Check simply the main part (1) Troubleshooting for malfunction of temperature sensor main check point: Whether the temperature sensor is broken or damaged; Whether the temperature sensor terminal is loosened or not connected; Whether the mainboard is damged; Check flow chart: Start the troubleshooting for temperature sensor...
  • Page 48 Troubleshooting (2) Troubleshooting for communiction malfunction Main check point: Check whether the connection wire for indoor and outdoor units and the wires inside the indoor unit is connected well; Check whether the mainboards of indoor unit or outdoor unit are damaged; Check flow chart: Communication malfunction for some indoor unit...
  • Page 49 Troubleshooting All indoor units alarms communication malfunction Disconnect the power, and check connection wire for indoor and outdoor units and wires inside electric box are connected correctly Connect wire connectly Wires are according to wiring Is malfunction eliminated? connected correctly? diagram Disconnect the power, and check whether the connection wires between mainboard of outdoor...
  • Page 50 Troubleshooting (3) Troubleshooting for C5 malfunction Main causes for C5 malfunction; 1. Jumper cap hasn't been inserted on mainboard; 2.Jumper cap hasn't been inserted tightly; 3. Jumper cap is damaged; 4. The corresponding circuit of mainbaord is abnormal. The check flow chart is as below: Display displays C5 Check whether the mainbaord of Insert the jumper cap...

  • Page 51: Troubleshooting

    Troubleshooting (4)Troubleshooting for H6 malfunction Start the troubleshooting for H6 malfunction Check whether the terminal of DC motor is connected tightly Insert the motor terminal tightly Is mafunction eliminated? Pull blade with hand to see whether it can rotate smoothly Re-assemble blade and motor correctly Is mafunction...

  • Page 52: Part10 Removal Procedure

    Removal Procedure 10. Removal Procedure 10.1 Removal Procedure of Indoor Unit Warning Be sure to wait for a minimum of 10 minutes after turning off all power supplies before disassembly. Steps Procedure 1. Remove panel Pull the slide clasps at both sides of panel, pull the panel outwards, lift up the panel and then remove the panel.
  • Page 53 Removal Procedure Steps Procedure 4. Remove swing assy swing assy Remove 2 screws fixing swing assy, pull out the connection wires with electric box, and then pull the swing assy outwards screw to remove it. 5. Remove water tray assy Remove 2 screws fixing water tray, and then pull the water tray outwards to remove it.
  • Page 54 Removal Procedure Steps Procedure 7. Remove piping stopper Loosen clasps between piping stopper and bottom case, and then pull the piping stopper outwards to remove it. piping stopper 8. Remove evaporator Loosen the clasps between evaporator and bottom case and then pull the evaporator outwards to remove it.
  • Page 55 Removal Procedure Steps Procedure 10. Remove centrifugal blade Remove nuts on centrifugal blade, and then pull the centrifugal blade outwards to remove it. centrifugal blade 11. Remove motor support Remove screws fixing motor support, and then remove the motor support. motor support 12.
  • Page 56 Removal Procedure Steps Procedure 13. Remove motor Remove the motor. motor...

  • Page 57: Removal Procedure Of Outdoor Unit(09K/12K)

    Removal Procedure 10.2 Removal Procedure of Outdoor Unit(09K/12K) Warning Be sure to wait for a minimum of 10 minutes after turning off all power supplies before disassembly. 1. Before disassembly 2. Remove big handle Remove the connection screw fixing the big handle and then remove the handle.
  • Page 58 Removal Procedure 4. Remove front grille Remove the connection screws between the front grille and the front panel, and then remove the front grille. front grille 5. Remove front panel Remove the connection screws connecting the front panel with the chassis and the motor support, and then remove the front panel.
  • Page 59 Removal Procedure 8. Remove motor and motor support motor support Remove the 4 tapping screws fixing the motor; disconnect the leading wire insert of the motor, and then remove the motor. Remove the 2 tapping screws fixing the motor motor support and lift the motor support to remove it.
  • Page 60 Removal Procedure 12. Remove solenoid coil Remove the screw fixing the solenoid coil and then remove the coil. solenoid coil 13. Remove liquid valve and gas valve Unsolder the welding joint connecting the capillary, valves and the outlet pipe of condenser; remove the 2 screws fixing the gas valve and unsolder the welding joint between the gas valve and the air-return pipe to remove the gas valve.

  • Page 61: Removal Procedure Of Outdoor Unit(18K)

    Removal Procedure 10.2 Removal Procedure of Outdoor Unit(18K) Warning Be sure to wait for a minimum of 10 minutes after turning off all power supplies before disassembly. 1. Remove top panel Appearance top panel Remove the 3 connection screws connecting the top panel with the front panel and the right side plate, and then remove the top panel.
  • Page 62 Removal Procedure Remove the 5 connection screws fixing the panel with the chassis and the motor support, and then remove the panel. panel 3. Remove left side plate and right side plate Remove the connection screws connecting the right side plate and the chassis, the valve support and the electric box, and then remove the right side plate assy.
  • Page 63 Removal Procedure 4. Remove fan motor Remove the nut on the blade and remove the axial flow blade. axial flow blade motor support Remove the 4 tapping screws fixing the motor; disconnect the leading wire insert of the motor, and then remove the motor. Remove the 2 tapping screws fixing the motor support and then lift the motor support upwards to remove it.
  • Page 64 Removal Procedure 6. Remove 4-way valve assy (not available for cooling only unit) 4-way valve assy Discharge the refrigerant completely; unsolder the pipelines connecting the compressor and the condenser assy, and then remove the 4-way valve assy. 7. Remove compressor compressor Remove the 3 foot nuts fixing the compressor and then remove the compressor.
  • Page 65 Removal Procedure support Remove the screws connecting the support (condenser) and the condenser assy, and then remove the support (condenser). condenser sub-assy Separate the condenser sub-assy and the chassis sub-assy. chassis sub-assy...

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