Vivax ACP-18CH50GEEI Service Manual
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Vivax ACP-18CH50GEEI Service Manual

Vivax ACP-18CH50GEEI Service Manual

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Service
manual
ACP-18CH50GEEI
RoHS

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Summary of Contents for Vivax ACP-18CH50GEEI

  • Page 1 Service manual ACP-18CH50GEEI RoHS...
  • Page 5 ACP-18CH50GEEI...
  • Page 6 ACP-18CH50GEEI...
  • Page 7 Make sure the outdoor unit is installed on a stable, level Installing, starting up, and servicing air conditioner can be surface with no accumulation of snow, leaves, or trash hazardous due to system pressure, electrical components, and beside. equipment location, etc. Make sure the ceiling wall is strong enough to bear the Only trained, qualified installers and service personnel are weight of the unit.
  • Page 8 ACP-18CH50GEEI ACP-18CH50GEEI...
  • Page 9 ACP-18CH50GEEI...
  • Page 10 ACP-18CH50GEEI...
  • Page 11 220V 220V • Conditions Indoor : DB26.7˚C/WB19.4˚C Outdoor : DB35˚C/WB23.9˚C Indoor air flow : Turbo Pipe length : 5m 230V 230V 240V • Conditions 240V Indoor : DB21.1˚C/WB15.6˚C Outdoor : DB8.33˚C/WB6.11˚C Indoor air flow : Turbo Pipe length : 5m 10 20 30 40 50 60 70 80 90 100 Compressor speed (rps) Compressor speed (rps)
  • Page 12 Conditions Conditions Indoor: DB 26.7˚C/WB19.4˚C Indoor: DB 70˚C Indoor air flow : Turbo Indoor air flow : Turbo Pipe length: 5m. Pipe length: 5m. Outdoor temp. (˚C) Outdoor temp. (˚C)
  • Page 13 Indoor side noise when blowing Outdoor side noise High Super High Middle Indoor Fan Motor Rotating Speed Compressor frequency/Hz...
  • Page 14 Φ55 Φ55 Φ70 Φ70...
  • Page 16 GAS SIDE 3-WAY VALVE 4-Way valve Muffler Di s charge HEAT EXCHANGE (EVAPORATOR) Suction Accumlator COMPRESSOR HEAT EXCHANGE (CONDENSER) LIQUID SIDE 2-WAY VALVE i a r t r e n Capillary i a r t r e n COOLING HEATING...
  • Page 17 Symbol Parts name Symbol Color symbol Symbol Color symbol CBB61 BROWN WHITE CBB65 BLUE YELLOW OVERLOAD BLACK COMP COMPRESSOR ORANGE YEGN YELLOW GREEN ACP-18CH50GEEI...

  • Page 20: Timer Off

    ON/OFF Press it to start or stop operation. MODE Press it to select operation mode (AUTO/COOL/DRY/FAN/HEAT). Press it to increase temperature setting. Press it to decrease temperature setting. Press it to set fan speed. Press it to set swing angle. TIMER ON Press it to set auto-on timer.

  • Page 21: Digital Display

    LOCK icon: is displayed by pressing "+" and “-” buttons simultaneously.Press them again to clear the display. SET TIME display: After pressing TIMER button, ON or OFF will blink.This area will show the set time. TURBO icon: is displayed when pressing theTURBO button.Press this button again to clear the display. DIGITAL display: This area will show the set temperature.

  • Page 22: Replacement Of Batteries

    CLOCK : Pressing CLOCK button, blinks. Within 5 seconds, pressing + or - button adjusts the present time. Holding down either button above 2 seconds increases or decreases the time by 1 minute every 0.5 second and then by 10 minutes every 0.5 second. During blinking after setting, press CLOCK button again to confirm the setting, and then will be constantly displayed.
  • Page 23 ON/OFF Press it to start or stop operation. ▲ Press it to increase temperature setting. MODE Press it to select operation mode (AUTO/COOL/DRY/FAN/HEAT). SWING Press it set swing angle. Press it to decrease temperature setting. Press it to set fan speed. TIMER OFF Press it to set auto-off timer.
  • Page 24 LOCK icon: is displayed by pressing "+" and “-” buttons simultaneously.Press them again to clear the display. SET TIME display: After pressing TIMER button, ON or OFF will blink.This area will show the set time. DIGITAL display: This area will show the set temperature. In SAVE mode,"SE" will be displayed. During defrosting operation, “H1” will be displayed. AIR icon: is displayed when pressing the AIR button.Press this button again to clear the display.(Optional for some models.) HEALTH icon:...
  • Page 25 TIMER OFF : Press this button to initiate the auto-off timer. To cancel the auto-timer program, simply press the button again.TIMER OFF setting is the same as TIMER ON. CLOCK : n i l e present time.Holding down either button above 2 seconds increases or decreases the time by 1 minute every 0.5 second and then by 10 minutes every 0.5 second.
  • Page 26 Combination of " TEMP " and "CLOCK" buttons : About Energy-saving Function Press “TEMP” and “CLOCK” simultaneously in COOL mode to start energy-saving function.Nixie tube on the remote controller displays “SE”. Repeat the operation to quit the function. Combination of " TEMP " and "CLOCK" buttons : About 8 Heating Function Nixie tube on the remote controller displays Press “TEMP”...

  • Page 37: Installation Site Instructions

    Caution 1.The unit should be installed only by authorized service center according to local or government regulations and in compliance with this manual. 2.Before installing, please contact with local authorized maintenance center. If the unit isnot installed by the authorized ser vice center, the malfunction may not be solved due to incovenient contact between the user and the service personnel.

  • Page 38: Installation Site Of Outdoor Unit

    Installation Site of Outdoor Unit 7.1. 3 1.Select a site where n oise and outflow air emitted by the unit w ill not annoy neighbors. 2.Select a site where t here is sufficient ventilation . 3.Select a site where there is no obstruction blocking the inlet and outlet . 4 .The site s hould be able to withstand t he f ull weight and v ibration.
  • Page 39 Space to the ceiling 15cm Above Space to the wall 15cm Above 15cm Above Space to the wall Above Above Air outlet side Space to the floor The dimensions of the space necessary for proper installation of the unit includ e the minimum permissible distances to adjacent parts .
  • Page 40 7.3.1 Installing of Mounting Plate 1.Mounting plate should be installed horizontally. As the water tray's oulet for the indoor unit is two-way type, during installation, the indoor unit should slightly slant to water tray's outlet for smooth drainage of condensate. 2.Fix the mounting plate on the wall with screws.

  • Page 41: Electric Wiring

    N OTE : A ll wires between indoor and outdoor units must be connected by the qualified electric contractor. Electric wires must be connected correctly. Improper connection may cause malfunction . Tighten the terminal screws securely . A fter tightening the screws, pull the wire sligltly to confirm whether it's firm or not . Make sure that the electric connections are earthed properly to prevent electric shock.

  • Page 42: Check After Installation

    7.4.2 Air Purging and Leakage Test 1. Connect charging hose of manifold valve to charge end of low pressure valve Manifold Valve (both high/low pressure valves must be tightly shut). Multimeter Manometer -76cmHg 2. Connect joint of charging hose to vacuum pump. Hi handle Lo Handle 3.

  • Page 43: Operation Test

    7.5.2 Operation Test 1.Before Operation Test (1)Do not switch on power before installation is finished completely. (2)Electric wiring must be connected correctly and securely. (3)Cut-off valves of the connection pipes should be opened. (4)All the impurities such as scraps and thrums must be cleared from the unit. 2.Operation Test Method (1)Switch on power and press "ON/OFF"...
  • Page 44 ACP-18CH50GEEI...
  • Page 45 ACP-18CH50GEEI...
  • Page 46 Note: When replacing the controller, make sure insert the wire jumper into the new controller, otherwise the unit will display C5 Measure insulation resistance The breaker trips at once when it to ground to see if there is any is set to "ON". leakage.
  • Page 47 Improper set of temperature Adjust set temperature If cooling (heating) load is Check the forecasted load of cooling (heating) proper Check and fill the leakage, then The refrigerant has leakage vacuumize it and supplement the or is insufficient refrigerant as required Leakage between the high pres- Replace the compressor sure and the low pressure in-...
  • Page 48 The indoor fan motor is burned or breaks Replace the fan motor or the defective part. or has the heat protector malfunction. The built-in heat protector of the motor breaks frequently because the motor is Replace the fan motor abnormal. The fan does not run when it is set to supply air.
  • Page 49 The torque of the swing motor is not enough First, check whether the connection is Wrong connection The swing fan wrong. If no, replace the parts does not run. The controller is damaged(IC2003 is damaged, the swing relay can not close, etc) C o n t r o l l e r m a l f u n c t i o n ( I C 2 0 0 3 Change controller...
  • Page 50 1.Power supply is abnormal Malfunction Off 3s of zero-cross The complete unit stops 2.Detection circuit of indoor and blink derection control mainboard is 17 times abnormal...
  • Page 51 Complete unit Off 3s current and blink detection 13 times malfunction Off 3s Defrosting will occur in and blink heating mode.Compressor once will operate while indoor It’s the normal state (during fan will stop. blinking, ON 10s and Off 05s)
  • Page 53 Key test point (bottom): Test4 Test2 Test3 Test1 Test9 Tset8 Test5 Test7 Test6 Test11 Test13 Test10 Test12...
  • Page 54 Test point v i l v i l Test 3 Between D and E Electrolytic capacitor of DC bas bar DC 180V-380V Test 4 Between F and G Electrolytic capacitor of switch power DC 180V-380V Both ends of diode Test 5 Both ends of electrolytic Test 6 capacitor C40...
  • Page 55 Malfunction indicator of outdoor unit Turn on the unit and wait 1 minute Use DC voltmeter to measure the voltage on the two ends of electrolytic capacitor(test 8) Fault with the voltage Replace the control testing circuit on Voltage higher than 200V? panel AP1 control panel AP1 Measure the AC voltage between...
  • Page 56 Malfunction IMP protection Out-of-step fault Compressor overcurrent Energize and switch on Use AC voltmeter If the voltage Check the supply to measure the IPM protection between terminal L voltage and voltage between occurs after the and N on wiring machine has run for terminal L and N restore it to board XT is within...
  • Page 57 Check unit in cooling mode and check the indoor in heating mode Malfunction indicator of outdoor unit check points: (including if the fan speed is too low) tube temperature sensor of indoor and outdoor unit normal Overload and high temperature protection Is outdoor ambient temperature Normal protection, please operate in cooling mode ? /Is indoor and outdoor...
  • Page 58 Fault with Malfunction indicator of outdoor unit check points: too much Power on the unit Is stop time of the compressor longer Restart it up after 3 minutes than 3 minutes? Are the wires for the Connect the wires between control compressor(UVW) connected correctly? Is panel AP1 and compressor as connection sequence right?

  • Page 59: Check Points

    Fault with Malfunction indicator of outdoor unit check points: Out of step occurs once Out of step occurs in the unit is powered on operation Check if the fan terminal Replace the fan Is stop time of the Is the outdoor fan working OFAN is connected correctly capacitor C1 compressor longer than...
  • Page 60 Fault with outdoor unit) Malfunction indicator of outdoor unit Malfunction Overload Air exhaust check points: electronic expansion valve the electronic expansion valve overload protector the air exhaust temperature sensor damaged 20 minutes after the unit is powered off Is the overload protector SAT connected well? Check if the resistance of overload protector is less than 1000ohm...
  • Page 61 Malfunction indicator of outdoor unit check points of indoor mainboard of outdoor mainboard(AP1) damage? Start Did the equipment operate normally before the failure occurs? Check the wiring of the indoor and outdoor units according to the wiring diagram Check if the controller connection wire inside the electric box of indoor and Is the connection right? outdoor unit is loose...
  • Page 62 Detection process of outdoor communication circuit (refer to the outdoor key detection points) Start Test the voltage of Test 10 The value is changing Test the voltage of Test 13 The value is changing Fault of outdoor unit Test the voltage of Test 11 The value is changing Test the voltage...
  • Page 63 Temp( ) Resistance(kΩ) Temp( ) Resistance(kΩ) Temp( Resistance(kΩ) Temp( ) Resistance(kΩ) 138.1 18.75 3.848 1.071 128.6 17.93 3.711 1.039 121.6 17.14 3.579 1.009 16.39 3.454 0.98 108.7 15.68 3.333 0.952 102.9 3.217 0.925 97.4 14.36 3.105 0.898 92.22 13.74 2.998 0.873 87.35 13.16...
  • Page 64 Temp( ) Resistance(kΩ) Temp( ) Resistance(kΩ) Temp( Resistance(kΩ) Temp( Resistance(kΩ) 181.4 25.01 5.13 1.427 171.4 23.9 4.948 1.386 162.1 22.85 4.773 1.346 153.3 21.85 4.605 1.307 20.9 4.443 1.269 137.2 4.289 1.233 129.9 19.14 4.14 1.198 18.13 3.998 1.164 116.5 17.55 3.861 1.131...
  • Page 65 Temp( Resistance(kΩ) Temp( ) Resistance(kΩ) Temp( Resistance(kΩ) Temp( Resistance(kΩ) 853.5 18.34 4.75 799.8 93.42 17.65 4.61 89.07 16.99 4.47 703.8 84.95 16.36 4.33 660.8 81.05 15.75 4.20 620.8 77.35 15.17 4.08 580.6 73.83 14.62 3.96 548.9 70.5 14.09 3.84 516.6 67.34 13.58 3.73...
  • Page 66 Warning Be sure to wait for a minimum of 10 minutes after turning off all power supplies before disassembly. Steps 1. Remove filter Open the panel Panel Loosen the clasps on filter. Clasp Push the filter upwardly and then pull it down- ward to remove it.
  • Page 67 Steps Bend the horizontal louver to let the shat come out of the groove, and then the guide louver can be removed. Horizontal louver 3. Remove panel Open the shaft of panel at both sides of panel to separate the panel from the front case, and then Shaft remove the panel.
  • Page 68 Steps Electric box cover 2 Remove the electric box cover 2. 5. Remove front case Open the screw caps on front case and then twist off the screws on front case with screwdriver. Clasp Loosen the clasps at the left middle and right side of front case.
  • Page 69 Steps 6. Remove swing blade Loosen the clasps used for connecting the swing blade and bottom case. Clasp Remove the swing blade. Swing blade 7. Remove electric box Temperature sensor Pull out the indoor tube temperature sensor. Screw Earthing wire Twist off the screws used for connecting the earthing wire and evaporator with screwdriver.
  • Page 70 Steps Wiring terminal of motor Pull out motor connecting terminal on motor elec- tric box and wiring terminal on stepping motor separately. Wiring terminal of stepping motor Twist off the 2 screws on displayer with screw- driver and then remove the displayer. Screw Electric box Twist off the screws fixing the electric box with...
  • Page 71 Steps 9. Remove evaporator Twist off the 3 screws used for connecting the evaporator and bottom case with screwdriver Screw Adjust the pipeline on evaporator slightly to let it Connection pipe separate from the evaporator. Remove the evaporator. Evaporator 10. Remove cross flow blade and motor Stepping motor Twist off the screws on stepping motor with screwdriver and then remove the stepping motor.
  • Page 72 Steps Twist off the screws on motor press plate with screwdriver and then remove the motor press Motor press plate plate. Remove the cross flow blade and motor. Cross flow blade Motor Pull out the shaft cushion rubber block. O-Gasket sub-assy of Bearing Ring of Bearing...
  • Page 73 Warning Be sure to wait for a minimum of 10 minutes after turning off all power supplies before disassembly. Steps Procedure 1. Remove top panel Twist off the screws used for fixing the handle and v alve cover , pull the handle and v alve cover up ward to remove it.
  • Page 74 Remove the 5 screws connecting the panel with the chassis and the motor support, and then remove the panel. Remove the 6 screws connecing the left side plate and right side plate and then remove rear grill rear grill panel 3.
  • Page 75 4. Remove fan motor axial flow blade Remove the nuts fixing the blade and then remove the axial flow blade. motor support Remove the 4 tappin g screw s fixing the motor; disconnect the leading wire insert of the motor and then remove the moto r. Remove the 2 tappin g scre ws fixing the motor support and then pull the motor support up wa rds to remove it.
  • Page 76 6.Remove soundproof sponge Since the piping ports on the soundproof sponge are torn easily, remove the soundproof sponge carefully soundproof sponge 7. Remove Isolation sheet Remove the 3 screws fixing the isolation sheet and then remove the Isolation sheet. Isolation sheet 8.
  • Page 77 9. Remov e compressor Remove the 3 foot nuts fixing the compressor and then remove the compressor. compressor 10.Remove condenser sub-assy capillary sub-assy support Remove the screws connecting the support (condenser) and condenser assy,and then remove the support(condenser). condenser sub-assy Remove the chassis sub-assy and condenser sub-assy.

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