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Frigobox HKEL 261 Service Manual

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Classic Line Air Conditioners

SERVICE MANUAL

Air Conditioners
With Ozone-friendly Refrigerant R410A
CAUTION
READ THIS MANUAL CAREFULLY TO
DIAGNOSE TROUBLE CORRECTLY
BEFORE OFFERING SERVICE .
Dual Free DC Inverter
MODEL:

Indoor Units:

HKEL 261 XR
HKEL 351 XR
Outdoor Unit:
HCNL 531 XR
DRAFT

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  • Page 1: Service Manual

    READ THIS MANUAL CAREFULLY TO DIAGNOSE TROUBLE CORRECTLY BEFORE OFFERING SERVICE . Classic Line Air Conditioners SERVICE MANUAL DRAFT Dual Free DC Inverter Air Conditioners MODEL: Indoor Units: HKEL 261 XR HKEL 351 XR Outdoor Unit: HCNL 531 XR With Ozone-friendly Refrigerant R410A...

  • Page 2: Important Information

    MODEL: HKEL 261 XR + HKEL 351 XR IMPORTANT INFORMATION Features Comfortable: wide-angle airflow health air purifying quiet operation super energy efficient Main Specification 2600/3500/5300W Cooling Capacity Rated Power/Current(cooling) 680/990/1600W/7.8A EER: 3.8/3.5/3.3W/W 3200/3800/6600W Heating Capacity Rated Power/Current(heating): 1185/1455/1930W/9.2A COP: 2.7/2.6/3.4W/W...
  • Page 3 MODEL: HKEL 261 XR x 2 IMPORTANT INFORMATION Features Comfortable: wide-angle airflow health air purifying quiet operation super energy efficient Main Specification 2600/5200W Cooling Capacity Rated Power/Current(cooling) 680/1520W/7.5A EER: 3.8/3.29W/W 3200/6500W Heating Capacity Rated Power/Current(heating): 1185/1880W/8.8A COP: 2.8/3.2W/W Air Volume(Indoor): 500m...

  • Page 4: Table Of Contents

    Table of Contents 1. Cautions and Series' Introduction p. 5 2. Specifications p. 7 p. 11 3. Accessories p. 14 4. Description, net dimensions & functions of main components p. 17 5. Knock-down drawings and parts lists p. 20 6. Electrical Control p.

  • Page 5: Cautions And Series' Introduction

    Cautions and Series' Introduction...
  • Page 6 Cautions Safety Instructions and Warnings Disposal of the old air conditioner Before disposing an old air conditioner that Before starting the air conditioner, read the goes out of use, please make sure it's inop- information given in the User's Guide caref- erative and safe.
  • Page 7 Cautions Do not obstruct or cover the ventilation 6. The waste battery should be disposed grille of the air conditoner.Do not put fingers properly. or any other things into the inlet/outlet and 7. The appliance is not intended for use swing louver.
  • Page 8 Series' brief Introduction 1. Comfortable: wide-angle airflow The vertical dual-flap and horizontal wide-angle louvers ensure the cool/warm air reaching every corner of the room. 2. Health air purifying and negative ion function An air purifying filter with deodorizing and disinfecting function keeps the air clean and users healthy.

  • Page 9: Specifications

    Specifications...
  • Page 10 Model Outdoor unit HCNL 531 XR HCNL 531 XR HCNL 531 XR HKEL 261 XR HKEL 261 XR HKEL 351 XR Model Indoor unit HKEL 261 XR HKEL 351 XR HKEL 351 XR Type Inverter Inverter Inverter Indoor unit number...

  • Page 11: Accessories

    Accessories...
  • Page 12 HKEL 261 XR x 2 Failure Number Name Refer No. Description Quality Remark Rate(%) remote 0010403793 None controller battery 001A4600001 None Fix mounting plate mounting according to 0010101275 plate installation position and pipe direction Choose the place that can drain...
  • Page 13 HKEL 261 XR + HKEL 351 XR Failure Number Name Refer No. Description Quality Remark Rate(%) remote 0010403793 None controller battery 001A4600001 None Fix mounting plate mounting according to 0010101275 plate installation position and pipe direction Choose the place that can drain...
  • Page 14 DESCRIPTION, DIMENSION & FUNCTION OF MAIN COMPONENTS AND ACCESSORIES...
  • Page 15 Description and function of main components and accessories...
  • Page 16 Net dimensions for indoor unit Net dimensions for outdoor unit 319.5...
  • Page 17 KNOCK-DOWN DRAWINGS...

  • Page 18: Indoor Unit

    INDOOR UNIT HKEL 261 XR No. in Spare parts Spare parts description HKEL 351 XR exploded number in english view No. in 001A1232082 Inlet grille assy. Spare parts Spare parts description exploded number in english 001A2400060 Air filter view 0010101525 Front panel assy.

  • Page 19: Outdoor Unit

    OUTDOOR UNIT HCNL 531 XR No. in Spare parts Spare parts description explode number in english d view 0010203945 Front guard 001A1436182 Handle 001A1101039 Left side panel 001A0100124 Top panel 0010101525 Front panel 001A2331024 Axial fan 001A300076 Motor 001A1301133 Motor support 0010101524 Right side panel 0010706971...

  • Page 20: Electrical Control

    ELECTRICAL CONTROL...
  • Page 21 2. Operation modes. 1. Full-automatic approach.( HKEL 261 XR type uses the YR-H75 control and is fully automatic ). After the air conditonic is switched on, when the system is at the automatic option, the appropriate operation mode will be chosen according to the difference between the set temperature and the indoor temperature.
  • Page 22 Under the automatic option, the system will switch between the cooling and warming modes according to the change of the indoor temperature. If the air conditionic is under the cooling mode, when the set temperature for stopping the compressor is reached, the compressor will be stopped. The indoor temperature will be tested again 15 minutes after the stop of the compressor.
  • Page 23 temperature of the indoor coils has been below zero centigrade for 10 seconds, the compressor will be stopped and the malfunction will be recorded in the malfunction list. The indoor system will continue to run. When the temperature of the indoor coil is raised to 7¡ æ , the compressor will be restarted again (the prerequirement of 3 minutes¡...
  • Page 24 4. Heating operation mode. * temperature control range: 16---30¡ æ ±1¡ æ * temperature difference: * control feature: send the heating signals to the outdoor system. If Ts¡ Ý Tr£ « 1¡ æ , the outdoor compressor is turned on. If Tr¡...
  • Page 25 * Residue heat sending. The indoor fan will send the residue heat at a low speed for 20 seconds. If the Tc(indoor coil)< 20 centigrade, the indoor fan will be stopped at once. * If the system is stopped when the set temperature is reached, the indoor fan will run at a slight speed within the 3 minute¡...
  • Page 26 Send strength operation signal to the outdoor system. Strength operation for 15 minutes. The strength operation stops or finishes after the 15 minutes. The mode change finishes the strength operation. Entering ¡ ® mute¡ ¯ , you can have normal operation or signal control such as timing to finish the strength operation.
  • Page 27 If the indoor fan stops, the negative ion generator is turned off. When the negative ion generator is turned off, if the air refreshing system is turned on, the negative ion generator will be turned on when the fan operates. 5.
  • Page 28 signals are tobe revealed, but the buzzer still rings. *4. If you press the urgency button for more than 15 seconds, the buzzer will ring only once. The system will keep the present status and can receive on/off signals. *5. When you press the urgency button. Within 15 seconds, no remote signals can be received. After 15 seconds, just like the remote signal reception mode under normal conditions, the normal remote signals can be received.
  • Page 29 light will report the malfunctions by flashing, the times of flashing stands for the outdoor malfunction codes. If there is no malfunctions within the outdoor system, the indoor system will continue to run. 11.5 transmission abnormality. If the indoor system can’t receive the outdoor system for 5 minutes, the communication abnormality can be confirmed and the outdoor system will be stopped.
  • Page 30 Entering the medium cooling operation, the medium power is presented in the communication. c. Quitting condition: The medium cooling can be quitted after receiving the remote signal, and the system will enter the remote setting status. *3. minimal cooling: a. G code (the remote controller) entering condition: press the dormant key 8 times within 7 seconds and the buzzer will ring 7 times.
  • Page 31 Three lights display. ( one of the lights is a double colour light, the light board is 287 light board.) Receiving the start up signal, the power light will be lighted, red colour. Indoor system requires start up, the operation light will be lighted. (The indoor system can only judge the indoor condition, not the operation status of the outdoor system.) When setting the timing option and the dormant option, the timing light will be lighted;...
  • Page 32 Outdoor malfunction codes Malfunction Malfunction codes Ambient sensors circuit break Hot temperature exchanger sensor circuit breaks or shorts. Outlet temperature sensor circuit breaks or shorts. DC compressor feedback. Outdoor system communication malfunction. Current overcharge. No load. Overloaded/ under loaded voltage. DC compressor failure.
  • Page 33 OUTDOOR SYSTEM FUNCTIONS The outdoor system will decide the operation mode based on the principle of ¡ ® first order preferred¡ ¯ according to the startup signals of the two indoor systems. a) cooling: Under the cooling operation, the four direction latch will not be closed. The outdoor fan will operate at the cooling mode.
  • Page 34 When the outdoor speed is M or L, the speed will change according to the heat interaction temperature. The status will be checked every minute. Ta>28¡ æ £ ¬ high speed 26¡æ<Ta<28¡æ £¬high/ low speed Ta<26¡ æ £ º Te¨R40¡æ£¬high speed 37¡æ¨QTe<40¡æ£¬high/ medium speed 35¡æ¨QTe £¬medium speed...
  • Page 35 i) The outdoor fixed frequency is set according to the indoor system signals. The operation is on the frequency stored in EEPROM ii) The cooling and heating value under the double system operation Under the single system fixed frequency test, the outdoor system will operate according to the turned-on indoor system status.
  • Page 36 After the stopping of the system, the flashing time of the LED02 is the malfunction code. For example£ º Malfunction N.O 4 2.5sec 2.5sec Ambient sensors circuit break. Hot temperature sensor circuit breaks or shorts. Outlet temperature sensor circuit breaks or shorts. DC compressor feedback.
  • Page 37 D501-D504 on the main board with a multimeter. Test if there is any 5v circuit shorts at R501-R503 and D-505. Replace device CT501. 7#. No load: Test the 4 diodes D501-D504 on the main board with a multimeter. Test is there is any circuit short with GND at R501-R503 and D505( special focus on the possible circuit short condition the terminal A of D502 and terminal K of D504).

  • Page 38: Circuit & Wiring Diagram

    CIRCUIT AND WIRING DIAGRAM...
  • Page 39 INDOORS CIRCUIT DIAGRAM HKEL 261 XR HKEL 351 XR C112 R133 4.7u/50v 10K/1/4w C111 S4B-XH-A 4.7u/50V R131 4.7K/1/4W R132 104/50v 10K/1/4w 8MHz IC01 R130 4.7K/1/4W 104/25V B5B-PH-K-S R126 10K/1/4W IC04 R127 MC1413P 1K/1/4W SELF WIND BUZZER SCIO 120/1/4W SCII RECEIVE...
  • Page 40 OUTDOORS CIRCUIT DIAGRAM HCNL 531 XR IC08 TD62003 IC04 FAN H 7805 1K/1/4W L201 10K/1/4W FAN M Vout 330uH 10K/1/4W CN01 FAN L CN07 1K/1/4W CN201 SELFCHECK ALARM RL01 R208 LED01 JQ1a-12V VALVE 10K/1/4W PIPEB T 1K/1/4W PTC RELAY XH-2 CN02 B2B-EH-A 104/50V...
  • Page 41 HKEL 261 XR WIRING DIAGRAM OF INDOOR UNIT HKEL 351 XR ANION GENERATOR THE UNIT WITHOUT THE HEALTH FUNCTION HAS...
  • Page 42 HCNL 531 XR WIRING DIAGRAM OF OUTDOOR UNIT OUTDOORS WIRING DIAGRAM 0010556999 PFC REACTOR DON'T TOUCH CAPACITOR, EVEN AFTER PLUG-OFF ( DANGER OF ELECTRIC SHOCK) The capacitor retains high P2(DCOUT-) CAPACITOR P5(L) P6(L) voltage even after the plug-off. 2500uF/400V For your safety, be sure to wait at least 5 minutes.
  • Page 43 TROUBLE SHOOTING...

  • Page 44: Troubleshooting

    Trouble shooting Before asking for service, check the following first. Phenomenon Cause or check points The system does not restart When unit is stopped, it won't restart immediately until 3 minutes have elapsed immediately. to protect the system. When the electric plug is pulled out and reinserted, the protection circuit will work for 3 minutes to protect the air conditioner.
  • Page 45 Abnormality Diagnosing Trouble Parts that may appear problems Prepared parts Applicable Number Description phenomenon and the Cause and tools machine 7805,transformer, piezo Use the resistance, fuse,remote controller, 7805,transfor remote receiver. If it can be booted by mer, fuse, controller to using manual emergency switch, piezo Not work with...
  • Page 46 Drain pan, drain hose. Check Oriented whether the indoor unit is installed wind panel horizontal, drain hose of indoor invariable Indoor unit or drain drain pan, unit is leveled off ,the hole is over frequency make water pan makes drain hose high filter and drain hose is dirty split unit...
  • Page 47 Outdoor P.C. Board 4 way valve coil 4 way valve body. Examine The air the CN204 at Outdoor P.C. Board Outdoor P.C. conditioner and watch if there is 220V Board 4way Little split Don’t make voltage .If there doesn’t have we valve coil unit of heat...

  • Page 48: Installation

    INSTALLATION...

  • Page 49: Installation Manual Of Room Air Conditioner

    Installation Manual of Room Air Conditioner Read this manual before installation Explain sufficiently the operating means to the user according to this manual. Necessary Tools for Installation 1.Driver 5.Torque wrench(17mm,22mm,26mm) 9.Nipper 12.Reamer 2.Hacksaw 6.Pipe cutter 10.Gas leakage detector or 3.Hole core drill 7.Flaring tool soap-and-water solution 4.Spanner(17,19 and 26mm)
  • Page 50 113.5 113.5 Floor fixing dimensions of the outdoor unit (Unit:mm) Fix the unit to concrete or block with bolts( 10mm) and nuts firmly and horizontally. Fixing of outdoor unit When fitting the unit to wall surface, roof or rooftop, fix a supporter surely with nails or wires in consideration of earthquake and strong wind.

  • Page 51: Installation Of The Indoor Unit

    Indoor unit 1.Fitting of the Mounting Plate and Positioning of the wall Hole When the mounting plate is first fixed 1.Carry out, based on the neighboring pillars or lintels, a proper leveling for the plate to be fixed against the wall, then temporarily fasten the plate with one steel nail. 2.
  • Page 52 Indoor unit 1. Insert the drain hose into the dent of heat insulation materials of indoor unit. 2. Insert the indoor/outdoor electric cable from backside of indoor unit, and pull it out on the front side, then connect them. 3. Coat the flaring seal face with refrigerant oil and connect pipes. Cover the connection part with heat insulation materials closely, and make sure fixing with adhesive tape Heat insulation Piping...

  • Page 53: When Connecting The Cable Before Installing The Indoor Unit

    Indoor unit When connecting the cable before installing the indoor unit Insert the cable from the back side of the unit, then pull it out on the front side. Loosen the screws and insert the cable ends fully into terminal block, then tighten the screws. Pull the cable slightly to make sure the cables have been properly inserted and tightened.

  • Page 54: Installation Of Outdoor Unit

    Outdoor unit 1.Installation of Outdoor Unit Drawing for the installation of indoor and outdoor units Install according to 2.Connection of pipes To bend a pipe, give the roundness as large as possible not to crush the pipe ,and the bending radius should be 30 to 40 mm or longer.
  • Page 55 Outdoor unit 2-way valve 6.Purging Method:To use vacuum pump Liquid Side 3-way valve Gas Side Detach the service port's cap of 3-way valve, the Gaugemanifold(for R410A) valve rod's cap for 2-way valve and 3-way's, connect Anti countercurrent joint the service port into the projection of charge hose (Iow) for gaugemanifold.
  • Page 56 1.Power Source Installation The power source must be exclusively used for air conditioner. (Over I0A) In the case of installing an air conditioner in a moist place, please install an earth leakage breaker. For installation in other places, use a circuit breaker as far as possible. 2.Cutting and Flaring Work of Piping Pipe cutting is carried out with a pipe cutter and burs must be removed.

  • Page 57: Ir Remote Controller

    IR REMOTE CONTROLLER...

  • Page 58: Infrared Remote Controller

    INFRARED REMOTE CONTROLLER For explanation purposes, all the functions which can be activated by the remote controller are illustrated below. During operation, the display on the remote controller will show information relating to actual setting by the User. 8. HEALTH display 9.
  • Page 59 INFRARED REMOTE CONTROLLER Current time setting When the air conditioner is started for the first time or after replacing the batteries on the remote controller, clock should be adjusted as follows: Press the "CLOCK" button: "AM" or "PM" indicator flashes. Press to enter the current time setting mode.
  • Page 60 Additional information about the remote controller How to insert batteries in the remote controller Remove the lid. Gently press the part marked with " " and slide the lid away from the Unit's body. Insert the dry batteries. Make sure both dry batteries are set Note: in the right directions as marked inside •...
  • Page 61 OPERATION MODE SETTING Auto Mode operation Turning on your appliance Press the ON/OFF button to start your appliance. The previous operation mode is displayed on the remote controller (except "HEALTH", TIMER, "SLEEP" and "POWER/SOFT" functions). " Mode option Press the “MODE” button to change the current operating mode. Every press will result in one position movement rightward: AUTO COOL...
  • Page 62 OPERATION MODE SETTING Operation in Cooling Mode Turning on your appliance Press the ON/OFF button to start your appliance. The previous operation mode is displayed on the remote controller (except "HEALTH", TIMER, "SLEEP" and "POWER/SOFT" functions). " Mode option Press the “MODE” button to change the current operation mode. Every press will result in one position movement rightward: AUTO COOL...

  • Page 63: Temperature Setting

    OPERATION MODE SETTING Operation in Dehumidifying Mode Turning on your appliance Press the ON/OFF button to start your appliance. The previous operation mode is displayed on the remote controller (except "HEALTH", TIMER, "SLEEP" and "POWER/SOFT" functions). " Mode option Press the “MODE” button to change the current operation mode. Every press will result in one position movement rightward: ˚C AUTO...
  • Page 64 OPERATION MODE SETTING Operation in Heating Mode Turning on your appliance Press the ON/OFF button to start your appliance. The previous operation mode is displayed on the remote controller (except "HEALTH", TIMER, "SLEEP" and "POWER/SOFT" functions). " Mode option Press the “MODE” button to change the current operation mode. Every press will result in one position movement rightward: AUTO COOL...
  • Page 65 OPERATION MODE SETTING Operation in Fan only Mode Turning on your appliance Press the ON/OFF button to start your appliance. The previous operation mode is displayed on the remote controller (except "HEALTH", TIMER, "SLEEP" and "POWER/SOFT" functions). " Mode option Press the “MODE”...
  • Page 66 HINTS FOR CORRECT USE OF THE AIR CONDITIONER Adjustment of the airflow direction Multisplit INVERTER Models: HKEL 261 XR, HKEL 351 XR Vertical adjustment When the ON/OFF button is pressed, the motorized louver will move to the most adequate COOL.
  • Page 67 HOW TO OPERATE THE HEALTH FUNCTION The "HEALTH" function, when active, improves the air quality. This function is actually operating only during the indoor fan's rotation. Switch on the air conditioner Press the ON/OFF button on the remote controller to switch on the air conditioner. On the remote controller's LCD the previous operation mode will be displayed.
  • Page 68 OPERATION UNDER TIMER MODE Programmed Start or Stop of the air conditioner Before operating the TIMER, adjust the current time on the remote controller. It is possible to program the Unit's start or stop according to one's needs, through the "TIMER ON" and "TIMER OFF" functions. After turning on the air conditioner, the desired operation mode can be set.
  • Page 69 OPERATION UNDER TIMER MODE Programmed Start and Stop of the air conditioner Before operating the TIMER, adjust the current time on the remote controller. The unit's start followed by the unit's stop (or vice versa) can be programmed according to one's needs, through the TIMER ON-OFF function.
  • Page 70 POWER/SOFT FUNCTION POWER operation "POWER" function is suitable when you need rapid heating or cooling. "POWER/SOFT" button, referred to this function, is effective in COOL and HEAT modes (not in AUTO, DRY and FAN modes). To activate POWER function Press "POWER/SOFT" button once. The indication appears on the display of the remote ˚C...
  • Page 71 POWER/SOFT FUNCTION SOFT operation Operation in SOFT mode, more silent, is suitable when silence is needed for rest or reading. "POWER/SOFT" button, referred to this function, is effective in COOL and HEAT modes (not in AUTO, DRY and FAN modes). To activate SOFT function Press "POWER/SOFT"...
  • Page 72 COMFORTABLE SLEEP FUNCTION ("SLEEP" MODE) Description of the "SLEEP" function: Its purpose is to improve the comfort degree through progressive controlled increasing or decreasing of the set temperature value. ˚C The "SLEEP" mode can be switched on by pressing the special "SLEEP" button on the remote controller. TEMP In Cooling mode ("COOL"): SWING...

  • Page 73: Operation Without The Remote Controller

    OPERATION WITHOUT THE REMOTE CONTROLLER Emergency Operation and TEST Mode Multisplit INVERTER Models: HKEL 261 XR, HKEL 351 XR Emergency Operation: • Use the Emergency Operation mode only when the remote controller is defective or lost. • When the Emergency Operation switch is shortly pressed, a Beep "Beep"...

This manual is also suitable for:

Hkel 351Hcnl 521Hkel 261 xrHkel 351 xr

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