Daikin LXE10E-A14 Service Manual
  1. Manuals
  2. Brands
  3. Daikin Manuals
  4. Heat Pump
  5. LXE10E-A14
  6. Service manual
Daikin LXE10E-A14 Service Manual

Daikin LXE10E-A14 Service Manual

Marine type container refrigeration unit
Hide thumbs
Table of Contents

Advertisement

Quick Links

Download this manual
https://daikin-p.ru
Marine type
Container Refrigeration Unit
Service Manual
DAIKIN CONTAINER
LXE10E-A14
LXE10E-A15
TR 02-14

Advertisement

Table of Contents
loading

Related Manuals for Daikin LXE10E-A14

Summary of Contents for Daikin LXE10E-A14

  • Page 1 Marine type Container Refrigeration Unit Service Manual DAIKIN CONTAINER LXE10E-A14 LXE10E-A15 TR 02-14...
  • Page 2 Please read the contents of this manual prior to operation of the unit. This booklet will provide you with the minimum necessary information required to operate the Daikin refrigerated unit LXE10E-A. It covers all of the unit's functions from basics such as the names for each mode of operation, how to turn on the power supply, or change a setting temperature, to describing functions of product and maintenance service.

  • Page 3: Table Of Contents

    CONTENTS Safety Precautions 3.10 Chartless function ........3-62 • Danger ..............3 3.10.1 Chart indication mode ......3-62 • Warning..............4 3.10.2 Chartless code display function..3-64 • Caution..............5 3.10.2.1 List of chartless codes ....3-64 1. Introduction ............1-1 3.10.2.2 P code .........3-65 1.1 Operation range ..........1-1 3.10.2.3 H code .........3-66...

  • Page 4: Safety Precautions

    SAFETY PRECAUTIONS Always observe the following points before operating or inspecting a unit. DANGER Always turn off the main power supply to the facility before disconnecting the power plug. Always turn off the main power supply to the facility before inspecting the interior of the control box.

  • Page 5: Warning

    WARNING Do not touch the condenser fan while power to the unit is ON. Before removing the condenser fan cover, turn off the circuit breaker and disconnect the power plug. During air-cooled operation : Condenser fan may start and stop automatically for the refrigerant high pressure control.

  • Page 6: Caution

    CAUTION Before starting the unit, run the generator. Securely close the control box cover. Otherwise, it will allow water entry. Control box cover Quick-lock lever...
  • Page 7 CAUTION Wash the refrigeration unit with fresh water at PTI. Carefully flush the air-cooled condenser with fresh water to remove the salt that sticks to it.
  • Page 8 If any other refrigerant not specified is charged, it may cause problems with the unit. Use only Daikin specified oil (IDEMITSU, Daphne Hermetic Oil FVC46D) when replacing the refrigerant oil. If any other refrigerating machine oil not specified is charged, it may cause problems with the unit.
  • Page 9 CLASS 1 SPECIFIED PRODUCT BY THE HYDROFLUORIC REFRIGERANT RECOVERY LAW HFC IS USED FOR THIS PRODUCT AS A REFRIGERANT. (1) EMISSION OF HYDROFLUORIC SUBSTANCES INTO THE ATMOSPHERE WITHOUT PERMISSION IS PROHIBITED. (2) RECOVERY OF HYDROFLUORIC SUBSTANCES IS MANDATORY WHEN SCRAPPING THIS PRODUCT.

  • Page 10: Introduction

    1. Introduction 1.1 OPERATION RANGE Use the units within the following range. Item Operation range Ambient temperature range -30˚C to +50˚C (-22˚F to + 122˚F) Inside temperature range -30˚C to +30˚C (-22˚F to + 86˚F) 50Hz: 380V/400V/415V, 60Hz: 440V/460V Voltage Voltage fluctuation rate should be within ±10%...

  • Page 11: Basic Operation Of Refrigeration Unit

    1.3 BASIC OPERATION OF REFRIGERATION UNIT Operate the unit by the following procedure. 1.3.1 Starting operation (1) Make sure that power to the unit is on. CAUTION Make sure that the power plug q, the circuit breaker w, and the UNIT ON/OFF key e are OFF.
  • Page 12 (2) Adjust the ventilation. Adjust the opening of the ventilation !0 CAUTION according to the cargo. Keep the ventilation closed during transportation of the frozen cargo. When ventilation is not required (frozen mode), When ventilation is required (chilled mode), set the handle to "CLOSE".
  • Page 13 (3) Connect the power plug to the power supply. Insert the plug !6 suited to the power source voltage, and fasten the plug firmly. (4) Turn on the main power switch of the power source facility (outside the unit) (5) Turn on the circuit breaker !7 .

  • Page 14: Checking During Operation

    1.3.2 Checking during operation Checking items(precautions) Method of check 1. Check the compressor, fan, pipes, etc. for abnormal noise and vibration. Visual and auditory Visual 2. Check the refrigerant for shortage. Bubbles in moisture indicator on PULLDOWN or FROZEN operation may mean shortage of refrigerant in the system.

  • Page 15: General Description

    Condenser fan-motor thermal protector /Safety devices Evaporator fan-motor thermal protector High-pressure switch, Fusible plug, Fuse (10A, 5A) Refrigerant (charged amount) R134a : 4.6 (kgf) Refrigerant oil (charged amount) IDEMITSU, Daphne hermetic oil FVC 46D : 2.2(R) LXE10E-A14 : 465(kgf) Weight LXE10E-A15 : 495(kgf)

  • Page 16: Names Of Components

    2.2 Names of components 2.2.1 Outside GLXE10E 2 1 2 0 1 9 1 8 1 7 1 6 1 5 q Access panel !6 Discharge pressure regulating valve (DPR) w Thermometer check port (Return air) !7 Compressor suction pipe temperature...

  • Page 17: Inside

    2.2.2 Inside GLXE10E q Evaporator fan motor (EFM) w Evaporator e Supply air temperature sensor (SS) Data recorder supply air temperature sensor (DSS) Recorder supply air temperature sensor (RSS, optional) r Evaporator outlet pipe temperature sensor (EOS) t Evaporator inlet pipe temperature sensor (EIS)

  • Page 18: Control Box

    –6 –5 –4 –3 –2 –1 DECOS DAIKIN ELECTRONICCONTAINER OPERATION SYSTEM q Controller operation panel (EC3, 4) !2 Fuse (Fu1-6) w MANUAL DEFROST key !3 Rechargeable battery (BAT) e UNIT ON/OFF key !4 Voltage indicator r Phase correction contactor (PCC1,2)
  • Page 19 2.3 Set point of functional parts and protection devices Device name Actuation Set point Detection method Symbol High-pressure switch 2400kPa (24.47kg/cm High-pressure switch 1900kPa (19.37kg/cm Water pressure switch 98kPa (1.0kg/cm Water pressure switch (optional) 39kPa (0.4kg/cm Chilled mode +30.0°C to –2.9°C Set point temperature (+86.0°F to +26.8°F)

  • Page 20: Operating Pressure And Running Current

    2.4 Operating pressure and running current GChilled mode Inside : 0°C (32°F) Power supply : 400V / 60Hz Total current (kPa) (kg/cm) 2000 High pressure 1500 1000 (kPa) (kg/cm Low pressure –100 –76B Hg (˚C) 104 113 122) ( F )
  • Page 21 GFrozen mode Inside: –18˚C (–0.4˚F) Power supply: 400V, 60Hz Total current (kPa) (kg/cm 2000 High pressure 1500 1000 (kPa) (kg/cm Low pressure –100 –76B Hg (˚C) 104 113 122) ( F ) Ambient temperature ˚C (˚F) GFan motor current...

  • Page 22: Operation Modes And Control

    2.5 OPERATION MODES AND CONTROL There are two main types of operation modes: the cargo cooling control mode and the unit inspection mode. The cargo cooling control mode is explained in this section. ※For the unit inspection mode, refer to section 3.9.

  • Page 23: Frozen Mode

    2.5.1 Frozen mode Control state transition and common control Thermostat ON (Pull-down range) GCompressor Running GEvaporator fan Low speed (L) Continuous compressor running for ≤ ≤ 2 minutes or more and RS SP RS > SP + 1.0˚C Pump down...
  • Page 24 (1) Set point temperature and control sensor When the set point temperature (referred to as SP hereafter) is –10.1˚C(+13.8˚F) or lower, the compressor is operated ON and OFF, in response to return air temperature. (2) Control qWhen the control temperature reaches SP (point A), the...

  • Page 25: Chilled And Partial Frozen Mode

    2.5.2 Chilled and partial frozen mode Control state transition and common control START TS≧SP+1.5˚C TS<SP+1.5˚C Pull-down Heat-up TS≦SP+1.5˚C RS≧SP+1.0˚C TS≧SP+5.0˚C Capacity control (TS≦SP–3.0˚C TS≧SP+1.0˚C and 3-minutes elapse) and 3-minutes TS≦SP–0.5˚C or ( and 30-minutes elapse) elapse Overcool protection TS≦SP–0.5˚C...
  • Page 26 (1) Set point temperature and control sensor ™Chilled operation When the set point temperature is –2.9˚C (+26.8˚F) or higher, the suction modulating valve (SMV) is controlled sensing the supply air temperature in order to adjust the cooling capacity. ™Partial frozen operation When the set point temperature is –3.0 to –10.0˚C (+26.6 to +14.0˚F), the suction modulating valve is...

  • Page 27: Defrosting Mode

    2.5.3 Defrosting mode Start defrosting GDefrost lamp (red) ON GPump down Defrosting range GCompressor GEvaporator fan GCondenser fan ON/OFF GDefrosting solenoid valve ON GHot gas solenoid valve ON Is terminating condition OK? Defrosting lamp (red) OFF Evaporator fan On after delay of 60 seconds...
  • Page 28 Defrosting operation (1) Defrosting system A hot-gas defrost system is adopted in the units; i.e. the high temperature and high pressure refrigerant (hot gas) from the compressor is sent to the evaporator and drain pan for defrosting. Since the evaporator is heated directly by the hot gas (refrigerant), defrosting can be performed effectively.
  • Page 29 (4) Defrosting termination Defrosting will be terminated when any one of the following three conditions is satisfied. qThe below figure is satisfied during defrost. Status before defrost Termination INRANGE EOS≧30.0˚C OUTRANGE EOS≧30.0˚C＋RS/DRS≧15˚C w90 minutes have elapsed. eAny one of protective devices is activated.

  • Page 30: Common Control

    2.5.4 Common control The following are controlled in different operation modes. (For the details, refer to the following pages.) Operation mode Control name Control content Partial Frozen Chilled Defrost frozen The compressor is operated on and off to A Compressor ON/OFF control adjust the inside temperature.
  • Page 31 Common control A : Compressor ON/OFF control When the control temperature reaches the set temperature or lower, the compressor is stopped. When the control temperature rises and becomes higher than the [set point temperature +1.0˚C], the compressor runs again.
  • Page 32 Dehumidification : OFF Dehumidification : ON High pressure ≦ 800kPa High pressure ≦ 700~1800kPa High pressure > 1000kPa High pressure > 900~2100kPa F : Injection control In order to decrease the discharge gas temperature, inject liquid refrigerant into the suction pipe.
  • Page 33 J : Charge and release control Charge control or release control is executed to maintain the heating capacity optimum in defrosting and heating operation. • Charge control LPT ＞ 70 kPa qThe suction pressure (LPT) is detected and the injection solenoid valve (ISV) is turned on, then, liquid refrigerant is charged into the suction pipe.
  • Page 34 N : Bulb mode ※If reheat coil and humidity sensor (Optional) is equipped: For bulb transportation, bulb mode is provided as below. To execute bulb mode, controller setting is required. (Refer to Page 3-12) In bulb mode operation, character "b" is shown on 1st segment on LED display.

  • Page 35: Electronic Controller

    3. ELECTRONIC CONTROLLER 3.1 Function table GDECOS 3c (Daikin Electronic Controller Operation System) (Note) [PC]: Functions using personal computer Function division Function DECOS3c Control function • Temperature control • Defrosting control • Humidity control Optional Initial setting • With/without optional equipment (USDA, humidity) and horse power selection •...
  • Page 36 Function division Function DECOS3b Self-diagnosis and • Open-phase running automatic back-up • Over current running • CPU and peripheral device (electronic controller) Manual inspection • Compressor running hour indication • Evaporator fan individual operation (high speed) • Evaporator fan individual operation (low speed) •...

  • Page 37: Basic Operations Of Electronic Controller

    –3 –2 –1 DECOS DAIKIN ELECTRONICCONTAINER OPERATION SYSTEM Operation key q SUPPLY LED (Lights when "supply air temperature" is indicated.) u IN RANGE LED (Lights when the control temperature is in range.) w RETURN LED (Lights when "return air temperature" is indicated.) i DE-HUMID.LED...
  • Page 38 Function of operation key GUNIT ON/OFF key GUP key UNIT ON/OFF To select the item to be set in To start or to stop the unit the selected mode. operation. The controller has a memory GDOWN key DOWN function.

  • Page 39: Operation Mode And Control

    DISPLAY q Indicate the temperature data required to be converted into "˚F" C ˚ on the LED or the LCD. DISPLAY F ˚ C ˚ Press the key, then the temperature data displayed in "˚C" is F ˚ converted into "˚F" for one minute.

  • Page 40: Operation Procedure

    3.3 Operation procedure 3.3.1 Operation procedure flow chart ※3 Battery mode Power off No key operation for 30 sec. Circuit Breaker ON Unit off I/O ON I/O OFF All Lighting (for 3 sec.) for 3 sec. Preparation Refer to (for 18 sec.)
  • Page 41 Check on settings and operation conditions ※1. Current indication mode (indication of operation conditions) GSupply air temperature (SS) Indicates the unit operation conditions. GReturn air temperature (RS) P 3-9 GDefrost interval GAlarm GSetting point humidity and humidity (OPTION) ※2. Operation setting mode...
  • Page 42 Indication of detailed data alarm and PTI ※6. Sensor indication mode GDischarge gas temperature (DCHS) Each sensor value can be indicated. GSuction gas temperature (SGS) GModulating valve opening GElectronic expansion valve opening GHigh pressure (HPT) GSupply air temperature (SS)

  • Page 43: Mode Operation Procedure

    3.3.2 Mode operation procedure 1. CURRENT (Operation state) INDICATION MODE Supply air temperature (SS), return air temperature (RS), defrosting interval, currently existing alarm, set point humidity, and humidity are indicated. Turn on the circuit breaker and the UNIT ON/OFF key after turning the...

  • Page 44: Current Indication Mode

    2. OPERATION SETTING MODE Control temperature, defrosting interval, and control humidity (optional) can be set. To change to the OPERATION SETTING MODE, press the key while CURRENT (Operation the unit is in the CURRENT INDICATION MODE. state) INDICATION MODE...

  • Page 45: Battery Mode

    3. BATTERY MODE When commercial power is not available, the following functions are available by using the built-in wake up battery. • Indication of inside supply air temperature (SS) and return air temperature (RS) • Setting for control temperature, control humidity and defrost interval...

  • Page 46: Mode Operation

    4. MODE OPERATION MODE Press the key in current indication mode to go to MODE operation. All indication Lights on (for 3 sec.) Starting Preparation (for 18 sec.) ※ Current indication (Operation state) MODE MODE OPERATION In mode operation, the following settings/operations are available.
  • Page 47 5. Dehumidification mode setting Dehumidification mode can be executed in this mode (M. Dehumidification mode control in 2.5.4). When "Dehumidification" is set to "on", it is possible to change the following set from default. qInside humidity : 95% (Default) ~60% RH...
  • Page 48 Setting item LED panel LCD panel Setting method Current indication mode –– –– –– MODE OFF, 11, 12, 13, 14, 15 G-SET Select the energy unit: kVA saving set point by G-set operation using key, Note 1) and press the key to determine the setting.
  • Page 49 Setting item LED panel LCD panel Setting method ON, OFF Select desired setting key, then Dehumidification press key. (OFF) (ON) MODE MODE 95% RH~60% RH Select desired setting Humidity set key, then press key. MODE H-L, H, L Select desired setting...
  • Page 50 Setting item LED panel LCD panel Setting method 95% RH~60% RH Select desired setting key or key, Humidity set then press key to determine. MODE H-L, H, L Select desired setting Evaporator fan speed key or key, MODE then press key to determine.

  • Page 51: Led Display Light Off Mode

    5. LED display LIGHT-OFF MODE The controller LED display is turned off with this mode. ※ Activation of the panel (LED) lighting off mode. To activate the panel (LED) lighting off mode, set the LED lighting off function "dISP" in "11. Basic setting mode"...

  • Page 52: Sensor Indication Mode

    6. SENSOR INDICATION MODE Each sensor value, the modulating valve (MV) opening, and the electronic expansion valve (EV) opening can be checked. The following items are displayed: High pressure (HPT), low pressure (LPT), voltage (PT1), total current (CT1), compressor current (CT2),...
  • Page 53 6. SENSOR INDICATION MODE (continued) LED: The control temperature is displayed. CURRENT LCD: The compressor running current is displayed. SENSOR-2 (CT2) The display reads: " CT A". (In Ampere.) LED: The control temperature is displayed. AMBIENT TEMPERATURE LCD: The ambient temperature is displayed.
  • Page 54 6. SENSOR INDICATION MODE (continued) LED: The control temperature is displayed. PULP TEMPERATURE LCD: The pulp temperature is displayed. SENSOR 1 The display reads: " US C". (USDA 1) (optional) (In ˚C or ˚F.) LED: The control temperature is displayed.

  • Page 55: Temperature Record Scroll Mode

    7. TEMPERATURE RECORD SCROLL MODE The control sensor value record is shown in sequence (scroll) starting with the latest data. The latest control temperatures for a maximum of 7 days are displayed. <Mode selection procedure> All indication Lights on (for 3 sec.)
  • Page 56 Temperature record scroll function The control sensor value record for the last 7 days is displayed in sequence (scroll) beginning with the latest one and ending with oldest one, so that easy inspection of the previous operation data is enabled on board.
  • Page 57 G Example of TEMPERATURE RECORD SCROLL INDICATION MODE ※ It is assumed that the control temperature is the supply air temperature (SS) and the logging interval is 1 hour, and the current date and time are June 27, 2002, 14:00.

  • Page 58: Alarm Record Scroll Mode

    8. ALARM RECORD SCROLL MODE The alarm record is shown in sequence (scroll) starting with the latest data. The latest alarms for a maximum of 7 days are displayed. <Mode selection procedure> All indication Lights on (for 3 sec.)
  • Page 59 Alarm record scroll function The alarms detected over the last 7 days are displayed on the controller which scrolls through them at the rate of one sec/alarm. < Operation procedure > The LED indicates alarm codes, and the LCD displays date and time.

  • Page 60: Pti Record Scroll Mode

    9. PTI RECORD SCROLL MODE The record is shown in sequence (scroll) starting with the latest data. <Mode selection procedure> All indication Lights on (for 3 sec.) Starting Preparation (for 18 sec.) ※ 1 Current indication ※ 9 PTI ※...

  • Page 61: Setting Flow Chart

    (The initial setting for LXE10E-A14, A15 are underlined figures.) 2 : In CASE 5), the settings of "CHARTLS" and "USdA 1/2" shall be changed from default (Default of spare controller : CHARTLS=Off, UsdA=1) to set for LXE10E-A14, A15 as below underlined.

  • Page 62: Optional Function Mode

    Controller initial setting ※10. Optional function mode P 3-29 USDA sensor setting Dehumidification control on/off setting ※11. Basic function setting mode GController type GLogging interval GData recorder sensor on/off GCompressor unload P 3-30 GPower supply GReheat coil P 3-31...
  • Page 63 10. OPTIONAL FUNCTION SETTING MODE <Key operation to enter/exit> Power OFF Circuit Breaker ON Circuit Breaker OFF after setting change Unit OFF OFF when no setting changed) I/O ON I/O OFF All indication lights on (for 3 sec.) for 3 sec.
  • Page 64 11. BASIC FUNCTION SETTING MODE <Key operation to enter/exit> Power OFF Circuit Breaker ON Circuit Breaker OFF after setting change Unit OFF OFF when no setting changed) I/O ON I/O OFF All indication lights on (for 3 sec.) for 3 sec.
  • Page 65 To set the power input: Select "Sing" or "dUAL" on the LED when the LCD displays "OC-SET" . Whenever the key is pressed, the indication of "Sing" or "dUAL" is INPUT POWER changed. Press the key to determine the setting.
  • Page 66 12. OPTIONAL CONDITION SETTING MODE Key operation to enter/exit < > Power OFF Circuit Breaker ON Circuit Breaker OFF after setting change Unit OFF OFF when no setting changed) I/O ON I/O OFF All indication lights on (for 3 sec.) for 3 sec.
  • Page 67 12. OPTIONAL CONDITION SETTING MODE (continued) H002 code is displayed when the integrated time of Out-of "In-Range" reaches 2 hours. Select "1"hour, "2"hours, "3"hours, "4"hours, "5"hours or "10"hours on the LED H002 when the LCD displays "H002". Whenever the key is pressed, the indication of the selection from "1"hour to "10"hours changes.
  • Page 68 12. OPTIONAL CONDITION SETTING MODE (continued) "d2 – –" message displays the total time in hours, that the temperature was above set point +2°C. The code will be displayed after the selected time which can be set to: "1"hour, "2"hours, "3"hours, "4"hours, "5"hours, or "10"hours.
  • Page 69 <Key operation in this mode> Whenever the key is pressed, the indication changes. Turn OFF the power breaker to confirm the setting. To input the container I.D. (No.): CONTAINER I.D. Press the key when the LCD displays "SET I.d", then display "i.d.- (No.) INPUT...

  • Page 70: Alarm Display And Back-Up Function

    3.4 Alarm display and back-up function 3.4.1 Alarm list Alarm Alarm Alarm content Action with alarm grouping code F101 HPS activated within 30 seconds after operation start or protection device Unit stops activated 5 times at start-up operation. F109 Low- pressure drops to–85kPa or lower within 2 seconds after operation start.

  • Page 71: Back-Up Operation At Sensor Malfunction

    3.4.2 Back-up operation at sensor malfunction PF : Partial Frozen Sensor malfunction Mode Back-up content Supply air temperature Chilled The same control is executed by using DSS (optional). sensor In case of DSS malfunction, [RS–2.0˚C] is used for control.
  • Page 72 GBack-up for temperature sensors (EIS, EOS, SGS) at frozen mode (superheat control) Evaporator inlet sensor Evaporator outlet sensor Compressor suction gas sensor Back-up operation Normal Normal Normal superheat control Normal Normal Abnormal superheat control Liquid refrigerant back prevention Normal...

  • Page 73: Battery

    The battery is positioned on CPU & I/O box in controller box. Alkaline: 9V block battery. (This can be purchased locally.) Rechargeable: DAIKIN original rechargeable battery 3.5.2 Function This battery is used without main power supply for the following functions.

  • Page 74: Battery Replacement

    3.5.4 Battery replacement (Alkaline and Rechargeable battery) Detach the cover of battery and replace the battery Voltage indicator (Battery check meter) F U S E Rechargeable battery (Battery fixing plate) B 3 P S V H R A Å | H 3 4 1 T D...

  • Page 75: Information Interchange With Personal Computer

    3.6 Information interchange with personal computer The electronic controller DECOS 3c has a internal memory function to record the set point temperature, inside temperature, operation mode, occurrence alarm and the report of automatic PTI during transportation in addition to the normal operation control.

  • Page 76: Data Logging

    3.6.1 Data logging The data logging function is to store operation data which is generated during navigation. There are seven kinds of logging data. As to Tripdata, its logging interval can select from 15, 30, 60 (default) and 120 minutes.

  • Page 77: Software Configuration

    3.6.2 SOFTWARE CONFIGURATION MAIN MENU SUB MENU Explanation of functions Remarks LOGGER DATA TRIP DATA Data recorded in the logger is read No information DOWNLOAD USDA DATA from the controller onto the personal appears on the 4-PULP SENSORS DATA computer (disk or hard disk).
  • Page 78 MAIN MENU SUB MENU Explanation of functions Remarks MAKE REPORT TRIP REPORT Reports are made based on record USDA REPORT data read from the logger. 4-PULP SENSOR REPORT PTI REPORT ALARM REPORT MONITOR REPORT EVENT REPORT MAKE SET CONTAINER I.D.

  • Page 79: Inspection Procedure For Electronic Controller

    3.7 Inspection procedure for the electronic controller DECOS 3c enables the internal data of the controller CPU (RAM data) to be displayed on the monitor of a personal computer by connecting the two with a communication cable. This makes it possible to preform an easy inspection of the controller and diagnose any defect.

  • Page 80: Controller Replacement And Initial Setting

    3.8 Controller replacement and initial setting 3.8.1 Controller replacement <Replacement procedure for the operation panel> (1) Remove the indication board cover q . (2) Open the clamp e fixing the connector harness w and disconnect the harness. (3) Remove the speed bolts r (2 pcs) from the controller, and open the controller, then disconnect the connector t .
  • Page 81 <Replacement procedure for the controller> (1) Remove speed bolts (2 pcs) on the controller body, then remove the connector. Be sure to keep voltage indicator, the battery and the battery fixing plate for reinstallation. Controller body Connector CN15 (optional recorder)
  • Page 82 3-48...

  • Page 83: Pti (Pre Trip Inspection) And Periodic Inspection

    3.9. PTI (Pre-Trip Inspection) AND PERIODIC INSPECTION The controller (DECOS 3c) has the automatic PTI function, which consists of three process of SHORT PTI (referred to as S.PTI hereafter), FULL PTI (referred to as F.PTI hereafter) and MANUAL CHECK (referred to as M.CHECK hereafter)

  • Page 84: Inspection Item

    3.9.1 Inspection item The periodic inspection and adjustment of components (if required) is recommended to ensure continued successful operation. The following table shows an example of the inspection plan. Inspection item Inspection content year 4 year 8 year Inspection for physical damage...
  • Page 85 Inspection item Inspection content year 4 year 8 year Dryer replacement Function inspection and replacement of liquid moisture indicator Conditions of fasteners on the refrigerant pipes and gauge pipes Condition of thermal insulation of refrigerant pipe Evaporator coil cleaning...
  • Page 86 Inspection item Inspection content year year year 1) Calibration 2) Sensor error inspection and replacement 3) Chart drive inspection Temperature recorder 4) Recording operation inspection inspection 5) Loose terminal 6) Chart drive dry battery inspection, and replacement 7) Check and replacement of pen...

  • Page 87: Automatic Pti

    3.9.2 Automatic PTI (Pre-Trip Inspection) G The automatic PTI function is provided so as to ensure correct inspection and to shorten inspection time. (1) Appearance inspection of unit Physical damage Casing insulation through hole area Drain hose (dust and clogging) Power cable and plug damage Condition of refrigerant piping fasteners.

  • Page 88: Pti Selection Mode

    3.9.2.1 PTI SELECTION MODE The test mode of FULL (F.PTI), SHORT PTI (S.PTI), and MANUAL CHECK (M.CHECK) can be selected. <Mode selection procedure> Power OFF Circuit Breaker ON Unit OFF I/O ON I/O OFF All indication Lights on (for 3 sec.) for 3 sec.

  • Page 89: Short Pti (S.pti)

    G Automatic PTI enable conditions Water cooled Air cooled Ambient temperature condition operation operation –10˚C < Ambient temperature ≦ 43˚C ✕ S. PTI When the ambient temperature is above 43˚C or below –10˚C, the result may be abnormal. –10˚C ≦ Ambient temperature ≦ 43˚C ✕...

  • Page 90: Full Pti (F.pti)

    3.9.2.3 Full PTI (F.PTI) F.PTI consists of S.PTI and operation tests. GStep display and contents (step P00 to P32 are as same as S.PTI) Step Content GF.PTI flow chart Check on pull-down to 0˚C Check on controllability of chilled UNIT ON/OFF key: on mode operation.
  • Page 91 IMPORTANT When Full PTI is executed, the following settings are reset to default. q Setting temperature : 0 deg ˚C w Defrost interval : 12 Hours e Log interval : 60 minutes r Bulb mode : off t Dehumidification...

  • Page 92: Alarm List During Pti

    3.9.2.4 Alarm list during PTI (Pre-Trip Inspection) The alarm during automatic PTI are concerned with PTI inspection items in addition to those during normal operation. The alarms at automatic PTI are indicated in J ※※※., being separated from those during normal operation.

  • Page 93: Manual Check (M.check)

    3.9.2.5 Manual check (M.CHECK) Since the components are operated individually differing from S.PTI and F.PTI, the steps can be respectively selected and executed. However, any error occuring during execution of M.CHECK will not be included. Turn the UNIT ON/OFF key off to terminate the M.CHECK.
  • Page 94 MANUAL CHECK SELECTION MODE The LED displays the values of following items: Compressor operating time, Evaporator fan motor high-speed running current, Evaporator fan motor low-speed running current, Condenser fan motor running current, Battery life, Horse power, Elapsed time after trip start, Evaporator fan motor running time, Condenser fan motor running time, and Controller software version.
  • Page 95 To start calibration for SS, RS, DSS and DRS, press key when LCD displays "CAL". SENSOR CALIBRATION (Refer to sensor calibration in 4.1.14) To display elapsed days since last PTI, ELAPSED press key when LCD displays "DAYS". DAYS SINCE LAST.

  • Page 96: Chartless Function

    3.10. CHARTLESS FUNCTION The controller provides the temperature recorder function. This function, displays the control temperature logging data during operation on the LCD panel in a simple graphic chart so that the data can be confirmed easily. (Chart indication function) The chart, temperature and alarm record scroll indication are based on the control sensor data (SS/RS).
  • Page 97 GDisplaying temperature change trend: The temperature change trend is shown in the leftmost LCD. However, this display is shown only when all segments are in the same temperature range. Trend indication Condition Temperature rise trend The latest the oldest –...

  • Page 98: Chartless Code Display Function

    3.10.2 Chartless code display function The chartless code represents the coded inside air temperature. Select "ON" of the chartless code setting to indicate the code on the LED. For the chartless code setting, refer to the "optional conditions setting" on the page 3-32.

  • Page 99: P Code

    3.10.2.2 P code (Pull down time indication) The control temperature and pull-down time are indicated alternately during pull-down operation. When the pull-down is completed, the P code will be deleted. P001: Lasts the pull-down for 1 hour. /P002: 2 houes passed since pull-down started.

  • Page 100: H Code

    3.10.2.3 H-code =The alarm is displayed when the control temperature does not decrease by 3˚C or more H001 every 4 hours during pull-down operation. Inside Temperature If "t" is smaller than 3˚C, code "H001" appears. ※ This criteria (3˚C) can be adjusted from 1, 2, 5 or 10˚C.
  • Page 101 H005 =The alarm is displayed when the control air temperature is out of "in-range" and defrosting was performed three times while the control air temperature does not return to in-range. SP+1 30min Figure5 Out range timer H006 =Alarm is displayed when the temperature difference between the control sensor and record sensor is 2˚C for 1 hour, or more.

  • Page 102: D Code

    3.10.2.4 d-code: The d-code shows the current operation state of the unit. Example d101: • This code "d101" will be displayed when the total time above set point +1˚C reaches 1 hour. The code "d102" will then be displayed when the total time above set point +1˚C reaches 2 hours.

  • Page 103: Communication Modem (Optional)

    ¡Manual defrosting initiation ¡Header information changing (*1) According to the relationship among slave modem, Master modem and controller, items which can monitor and/or command are different. Please contact DAIKIN sales office if you have a specific item to monitor/command. 3-69...

  • Page 104: Service And Maintenance

    4. Service and maintenance (2) Installation of compressor q Fix the compressor base with bolts 4.1 Main components and Tightening torque: 42.7N m(435 kgf cm) w Apply new gaskets to the suction and maintenance discharge flange and fix them with bolts 4.1.1 Scroll compressor...
  • Page 105 ™Precautions when removing oil: (3) Procedure for removing refrigerant oil after compressor replacement If the return air temperature inside the ™When the compressor is replaced, remove the container is higher than the ambient excess refrigerant oil in the following temperature, the quantity of oil becomes procedure.

  • Page 106: Air-Cooled Condenser

    4.1.2 Air-cooled condenser and evaporator 4.1.3 Fusible plug This finned coil is compact and has uniform heat exchanging performance and high heat exchanging efficiency due to the adoption of corrugated fins. G Washing of air-cooled condenser Receiver Carefully flush the air-cooled condenser with...

  • Page 107: Drier

    4.1.4 Drier 4.1.5 Liquid / Moisture indicator The drier automatically absorbs moisture in This indicator permits checking of the flow of the refrigerant while it is circulated. It also refrigerant and moisture content in the commonly works as a filter to remove dust in refrigerant.

  • Page 108: Electronic Expansion Valve

    4.1.6 Electronic expansion valve (2) Replacing the body q Loosen the lock nut, then remove the coil. G Model Coil : EBM-MD12DM-1 w Remove the hexagonal head bolts, and cut Body : EDM-B804DM-1 the pipe on the body, then remove remaining This unit adopts an electronic expansion valve.
  • Page 109 4.1.7 Suction modulation valve q Upper rubber e Binding band cover The flow rate of suction gas is controlled between 3 to 100% by a stepping motor in w Lower rubber cover ass'y order to conduct capacity control operation.

  • Page 110: Suction Modulating Valve

    2. Replacement of body 4.1.8 Solenoid valve (1) Remove the coil. Refer to the section 1. Two kinds of solenoid valves are employed for "Replacing the coil" for removing procedure. the unit. (2) Remove the heat insulator q for the SMV after Coil is common and replacement procedure is cut the binding band w.

  • Page 111: Discharge Pressure Regulating Valve

    (1) Replacing the coil 4.1.9 Discharge pressure regulating valve q Remove the lead wire connector from the inside G Model KVR15 of the control box, and cut and recover the binding (1) Replacing the valve band which fastens the lead wire.

  • Page 112: Check Valve

    4.1.10 Check valve 4.1.11 High-pressure switch (HPS) G Model LCV(B)5 G Model ACB-KB15 G Set point OFF : 2400kPa (24.47kg/cm (1) Replacement procedure q Remove the pipe clamp which fixes the : 1900kPa (19.37kg/cm check valve, then heat up the valve to When the refrigeration pressure of the unit disconnect the brazed joint.

  • Page 113: High Pressure Transducer (Hpt)

    4.1.12 Low pressure transducer (LPT) y Apply the heat shrinkage tube in the G Model SPCL02 following position, then shrink it with hot air G Colour indication: Low pressure transducer: Blue of a dryer. Low pressure transducer: cable: White w Connector The LPT is located in the refrigerant circuit.

  • Page 114: Temperature Sensors

    4.1.14 Temperature sensor (Example) (1) Sensor calibration G Supply and Return air sensor (SS/RS/DSS/DRS) q Prepare the ice bath w Cut the binding of each sensor and put them into the ice bath e Turn on the unit and display "Sensor calibration (CAL)"...

  • Page 115: Humidity Sensor

    (2) Replacement q Switch off the unit and disconnect power cable w Disconnect the cable of the defective sensor on the terminal board. Replace the sensor by a new sensor and connect the cable on the terminal board again.

  • Page 116: Fan And Fan Motor

    G How to use bearing drawing tool on the market. 4.2 Fan and fan motor (1) Specification Bearing drawing tool Evaporator Condenser Model Propeller fan Size 440mm 300mm Model 3-phase squirrel-cage Boss induction motor When the shaft of the bearing...

  • Page 117: And Ct Board

    4.3 PT and CT board (EC9756) r PTI (R-S voltage) Two function of the measuring device and t Connector (CN2) for main circuit protector are integrated on this printed-circuit board. This board works as an interface between the main circuit (high voltage) and the controller.
  • Page 118 (2-3) Removal of mounting plate Check the following table to see if the mounting plate should be removed. If the mounting plate must be removed, remove the four screws and dismount the mounting plate. Over current setting and removal of mounting plate...

  • Page 119: Maintenance Service

    4.4 Maintenance service CAUTION 4.4.1 Collection of refrigerant qWhen release the refrigerant from the 1. Use the pressure indicating function refrigerant system, be sure to use a of the controller to check the working refrigerant recovery unit to protect the ozone pressure as much as possible layer around the earth from depletion.
  • Page 120 GCaution on the service work qBe sure not to bend the refrigerant pipe Gauge manifold when pushing the quick joint during connection work. wIf the installation fails due to movement of Passage open- /closing cock the sleeve, try it again after returning the Low-pressure side hose sleeve to the original position.

  • Page 121: Automatic Pump Down

    4.4.3 Automatic pump down An automatic pump down system is applied to the unit to prevent the unit from extra decrease of low pressure due to pump down operation or burning of scroll compressor due to a close stop valve.
  • Page 122 (2) Automatic pump down operation Once the automatic pump down is started, all of the service works from refrigerant collection into the receiver, to the equalizing in suction piping system, can be executed automatically. When "Good" is displayed, service works such as replacing the dryer, etc. can be conducted without any other operation.

  • Page 123: Refrigerant Recovery And Charge

    4.4.4 Refrigerant Recovery and Charge (1) Schematic diagram Evaporator service port Condenser Check valve Drier Receiver Compressor service port Service work Service port Remarks High pressure Pressure Check Low pressure Recover refrigerant from port t after operating [1] Refrigerant Automatic Pump-Down first.
  • Page 124 (2) Recovery non-condensable gas eRecover completely refrigerant left in the unit from ports r & t. If air or other non-condensable gas exists in the refrigerant circuit, it is accumulated in the condenser, which raises pressure in the condenser abnormally high and reduces the...
  • Page 125 (5) Vacuum-dehydrating, and Vacuum & Dehydration refrigerant/refrigerant oil charging 1. After recovering, vacuum and dehydrate from ports r & t. If all the refrigerant has leaked out and air is intermixed in the refrigeration circuit, remove the cause of trouble and carry out vacuum- dehydrating.
  • Page 126 (b) Cylinder weight recording Place a refrigerant cylinder on the CAUTION weighing scale, and record the weight of the cylinder. Carry out the operation check after the replacing and charging of (c) Charging of liquid refrigerant refrigerant, then replace the drier.

  • Page 127: Evacuation And Dehydrating

    4.4.5 Evacuation and dehydrating Boiling point of water (˚C) Atmospheric pressure(mmHg) Vacuum degree(mmHg) After repairing the refrigerant system, vacuum- –705 dehydrate the system before charging the –724 26.7 –735 refrigerant. 24.4 –737 Vacuum-dehydrating is the process to make the 22.2...
  • Page 128 Vacuum holding test qVacuum-dehydrating (first time) Hold the system at a pressure of ..2 hours wVacuum-breaking (first time) –755mmHg or lower for 1 hour or longer, and confirm that the vacuum reading does Nitrogen gas is pressurized to 0.5kg/cm not rise on the vacuum gauge.

  • Page 129: Optional Devices

    Type of USDA sensor should be set. 5.1.3 USDA sensor calibration USDA requires sensor calibration every transportation and report each offset figure. Free-supply downloading software enable to assist this. Please refer to "Operation manual for Daikin Container Communication Software". 5.1.4 USDA transportation requirement Cargo and refrigeration unit shall be required pre-cooling before cargo loading.
  • Page 130 GAn example of installation of USDA receptacle inside USDA sensor receptacles Cargo temperature sensor receptacle PC port receptacle GUSDA sensor (Optional ; type 1) Connect to receptacle...

  • Page 131: Troubleshooting

    6. TROUBLESHOOTING 6.1 Refrigeration system and electrical system If the unit does not work properly, refer to the following table to find causes of trouble and provide appropriate measures. State Malfunction occurrence Abnormal point Possible cause q No trouble with unit A.
  • Page 132 State Malfunction occurrence Abnormal point Possible cause C. Condenser fan rotates, q Activation of Short circuit of condenser fan motor but evaporator fan and high-pressure switch Wrong installation of condenser fan compressor do not (Water cooled Reverse rotation of condenser fan rotate.
  • Page 133 State Malfunction occurrence Abnormal point Possible cause E. Defrosting is operated q No trouble with the unit Excessive amount of moisture in cargo w Defrosting solenoid valve Leakage frequently. e Defrost timer Short setting timer q Container F. Refrigeration unit is...

  • Page 134: Alarm Codes On Electronic Controller

    6.2 Alarm codes on electronic controller If any alarm occurs, search its cause and repair it referring to the following table. Be sure to check the connectors in the electronic controller as the poor contact of them may cause the controller alarm codes.
  • Page 135 Alarm code Content Possible cause E103 Compressor thermal protector Shortage of refrigerant amount Refrigerant leakage (CTP) activates. Injection solenoid valve is not Wiring lead breakage opened. Defective wiring Coil burned out Coil fell out Injection capillary is blocked Compressor thermal protector (CTP) malfunction...
  • Page 136 Alarm code Content Possible cause E201 Pump-down does not end Injection solenoid valve does Wrong wiring within 60 seconds. not close. Coil burned out Coil fell out Leakage of hot gas solenoid valve Valve blocked with contamination Defrosting solenoid valve...
  • Page 137 Alarm code Content Possible cause E407 Evaporator inlet sensor (EIS) Line breakage malfunction Short circuit Wrong wiring CPU board malfunction E409 Evaporator outlet sensor Line breakage (EOS) malfunction Short circuit Wrong wiring CPU board malfunction E411 Ambient sensor (AMBS)

  • Page 138: Troubleshooting For Automatic Pti (J-Code)

    6.3 Troubleshooting for automatic PTI (J-code) Step Content Alarm Conclusion Possible cause Check method code Basic data record No judgment indication Alarm check on all Same as Same as normal Same as normal operation Same as normal sensor normal...
  • Page 139 Step Content Alarm Conclusion Possible cause Check method code Check on J221 BSV does not BSV coil malfunction Check on BSV coil, wiring discharge gas by- open. and terminals. pass solenoid BSV malfunction Check on outlet piping valve (BSV)

  • Page 140: Diagnosis Based On Recording Chart

    6.4 Diagnosis based on the recording chart Set temperature 0˚C Occurrence read out from the recording chart Defrosting is periodically executed by the timer Abnormal content and abnormal point Normal Set temperature 0˚C Occurrence read out from the recording chart...
  • Page 141 Set temperature 0˚C Occurrence read out from the recording chart Though the temperature record is normal, the temperature rapidly rises. Abnormal content and abnormal point The compressor stops due to malfunction or the fusible safety plug is molten. Set point temperature –...
  • Page 142 Set point temperature 0˚C Occurrence read out from the recording chart When defrosting, the inside temperature temporarily drops. Abnormal content and abnormal point Since the liquid solenoid valve is not closed, pump-down operation before defrost starts is not performed, and cooling operation continues with the evaporator fan stopped.

  • Page 143: Emergency Operation

    6.5 Emergency operation 6.5.1 Emergency operation of controller In case of the controller malfunction, emergency operation can be executed by using emergency operation kit. (1) Components to be prepared (emergency operation kit) Short circuit connector --- Stored on the back of CPU/IO board case in the control box.

  • Page 144: Short Circuit Operation Of Controller

    6.5.2 Short circuit operation of controller Interrupt power supply for controller on the terminal board in control box, while operate the devices required to be operated by connecting directly with short circuit connectors. (1) Cooling operation 1. Disconnect the power supply connector CN5 (red connector).
  • Page 145 (2) Heating operation 1. Disconnect the power supply connector CN5 (red connector). 2. Remove short circuit connector on the back of CPU/IO board case. 3. Connect the red 8-pin short circuit connector (SCC1-2) with emergency 8-pin port (CN8) on the terminal board.

  • Page 146: Emergency Operation Of Electronic Expansion Valve

    6.5.3 Emergency operation of electronic expansion valve In case of the controller malfunction or faulty electronic expansion valve coil, electronic expansion valve can be operated with fixed valve opening by using emergency cap. Caution If the electronic expansion valve is energized while the coil is removed from valve body, the coil driver with which the valve needle is pushed protrude excessively.

  • Page 147: Emergency Operation Of Suction Modulating Valve

    6.5.4 Emergency operation of suction modulation valve: In case of emergency, there are two ways to open the suction modulating valve manually. It is important to follow these steps in this sequence. Use step 1 first. If this is not working, then use step 2.

  • Page 148: Automatic Back Up For Supply- And Return Air Temperature Sensors (Optional)

    6.5.5 Automatic Back up for supply / return air temperature sensors When the unit is equipped with the data recorder sensors, the following emergency operations are available. When the DRS and DSS are used for the emergency operation, DATA RECORDER SENSOR ON/OFF SETTING to be set OFF.

  • Page 149: Appendix

    7. APPENDIX 7.1 Standard tightening torques for bolts Tightening torque Bolt size Main part kgf cm lbf ft Small parts Solenoid valve Access panel Evaporator fan motor Condenser fan motor 12.3 Control box Service door Evaporator fan motor mounting base Compressor suction flange 25.2...

  • Page 150: Hfc 134A Temperature-Vapor Pressure Characteristics Table

    7.4 HFC134a, temperature - vapor pressure characteristics table Temperature Vapor pressure Temperature Vapor pressure °C kg/cm °C kg/cm – 40.0 – 49 – 0.5015 20.0 4.7977 – 39.0 – 46 – 0.4734 21.0 4.9795 – 38.0 – 44 – 0.4440 22.0...

  • Page 151: Temperature Sensor Characteristics Table

    7.5 Temperature sensor characteristics table (SS/RS/DSS/DRS/RSS/RRS/EIS/EOS/SGS/AMBS) Temperature( Temperature( Resistance(kΩ) Temperature( Temperature( Resistance(kΩ) °C) °F) °C) °F) + 50 + 122 0.985 + 32 6.860 + 49 + 120.2 1.018 – 1 + 30.2 7.176 + 48 + 118.4 1.054 –...

  • Page 152: Temperature Sensor Characteristics Table Dchs

    7.6 Temperature sensor characteristics table (DCHS) Temperature( Temperature( Resistance(kΩ) Temperature( Temperature( Resistance(kΩ) °C) °F) °C) °F) 32.783 12.566 30.629 11.835 28.635 11.153 26.787 10.515 25.073 9.919 23.482 9.361 22.005 8.840 20.633 8.351 19.358 7.894 18.171 7.465 17.066 7.063 16.037 6.685...

  • Page 153: Piping Diagram

    7.9 Piping diagram GLXE10E HEAT EXCHANGER SERVICE PORT (HIGH) (QUICK JOINT TYPE) SERVICE PORT (HIGH) CHECK VALVE RECEIVER (QUICK JOINT TYPE) LIQUID INDICATOR DRIER SERVICE PORT (HIGH) (QUICK JOINT TYPE) SERVICE PORT (LOW) HEAT EXCHANGER (QUICK JOINT TYPE) EV:Electronic Expansion Valve...

  • Page 154: Pilot Lamps And Monitoring Circuit

    7.10 Pilot lamps and monitoring circuit Four pilot lamps which indicate operating mode are mounted on the controller in the control box. Pilot lamp Color Operating condition COMP. Green The compressor is running DEFROST The unit is under defrosting operation...

  • Page 155: Fuse Protection Table

    7.11 Fuse protection table Protection of: Wiring diagram: Fuse 1 (250V, 10A) • High pressure switch (HPS) Drawing 7.12 at TB1 print board • Compressor contactor (CC) page 7-8 • Evaporator fan contactor high speed (EFH) • Evaporator fan contactor low speed (EFL) •...

  • Page 156: Schematic Wiring Diagram

    7.12 Schematic wiring diagram GLXE10E-A14 LXE10E-A15...

  • Page 157: Stereoscopic Wiring Diagram

    7.13 Stereoscopic wiring diagram GLXE10E-A14 LXE10E-A15 Notes for wiring Note: line represents the line in the box. line represents the external unit or junction cable. line between terminals represents the jumper wire. line represents the optional specification. The terminal numbers and applicable cables in each unit are as shown below.

  • Page 158: Index

    INDEX * Panel 2-4, 3-4 Air cooled condenser 1-1, 2-2, 4-3 * Replacement 3-46 Air ventilator 1-1, 1-3, 2-2 CT Board 2-4, 4-14 Alarm list Current sensor (CT 1/2) 3-18, 3-19 * controller 3-36, 6-4 * d-code 3-64, 3-68...
  • Page 159 (Humidity) * Alarm list (J-code) 3-58, 6-8 * Setting 3-15, 3-31 PT-board 2-4, 4-14 PTI record scroll function 3-26 Pull down 3-64, 3-65 I/O board 2-4 Pulp temperature sensor (USDA) 5-1 Initial setting 3-48 Pump down automatic 3-14, 4-18...
  • Page 160 (Setting) * Controller time 3-35 Vaccuum pump 4-24 * Data recorder sensor ON/OFF 3-30 Valve * D-codes 3-33, 3-34 * Discharge service 4-17, 4-20 * Defrost 3-10, 3-11, 3-14 * Suction service 4-17, 4-20 * De-humidification 3-15, 3-31 Ventilator, Air 1-1, 1-3, 2-2...
  • Page 161 Head Office. Umeda Center Bldg., 4-12, Nakazaki-Nishi 2-chome, Kita-ku, Osaka, 530-8323 Japan. Tel: 06-6373-4338 Fax: 06-6373-7297 Tokyo Office. JR Shinagawa East Bldg., 10F 18-1, Konan 2-chome, Minato-ku Tokyo, 108-0075 Japan. Tel: 03-6716-0420 Fax: 03-6716-0230 TR02-14 $5,00 (2005.6.00100)NK...

This manual is also suitable for:

Lxe10e-a15

Table of Contents