Hokkaido HKEN-HCNN 642XR Service Manual

Classic line air conditioner with ozone-friendly refrigerant r410a

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Classic Line Air Conditioner

SERVICE MANUAL

l Features

l Comfortable: wide -angle airflow

l Health air purifying

l Quiet operation

nergy efficient

With Ozone-friendly Refrigerant R410A

Model:

HKEN-HCNN 642XR

DRAFT

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Summary of Contents for Hokkaido HKEN-HCNN 642XR

Page 1 Classic Line Air Conditioner SERVICE MANUAL DRAFT Model: HKEN-HCNN 642XR l Features l Comfortable: wide -angle airflow l Health air purifying l Quiet operation nergy efficient With Ozone-friendly Refrigerant R410A...
Page 2: Table Of Contents
HSU-12H03/R2(DB) Model: HKEN-HCNN 642 XR Classic Line Air Conditioner CONTENT: 1. SERIES INTRODUCTION ............................. p. 3 2. SPECIFICATIONS ................................. p. 5 3. CURVES OF PERFORMANCE OF COMPRESSOR ....................p. 7 4. DESCRIPTION, DIMENSION AND FUNCTION OF MAIN COMPONENTS AND ACCESSORIES ......p. 9 5.
Page 3: Series Introduction
Model: HKEN-HCNN 642 XR Classic Line Air Conditioner SERIES INTRODUCTION...
Page 4 Model: HKEN-HCNN 642 XR Classic Line Air Conditioner Standard Situation/Conditions indoor air status outdoor air status Operating condition Norminal cooling Norminal heating Not control Norminal electrical heating Series brief introduction 1.Comfortable: wide-angle airflow The vertical dual-flap and horizontal wide-angle louvers ensure the cool(warm) air reaches every corner of the room.
Page 5: Specifications
Model: HKEN-HCNN 642 XR Classic Line Air Conditioner SPECIFICATIONS...
Page 6 Model: HKEN-HCNN 642 XR Classic Line Air Conditioner Specifications Model: HKEN-HCNN 642 XR 5800(720-6300)W 5800W(1080-7750)W Heating capacity(W) Cooling capacity(W) 2.80 Cooling coefficient (W/W) 3.01 Heating coefficient(W/W) Cooling power input (W) 1930(310-2450)W Heating power input(W) 2070W(430-2600)W Moiture removal (m/h) 2.3 X10 Frequency range(Hz) Operating voltage range V( ) Refrigerant type...
Page 7: Curves Of Performance Of Compressor
Model: HKEN-HCNN 642 XR Classic Line Air Conditioner CURVES OF PERFORMANCE OF COMPRESSOR...
Page 8 Model: HKEN-HCNN 642 XR Classic Line Air Conditioner Curves of cooling capacity and heating capacity as a function of outdoor temperature C~43...
Page 9: Description, Dimension And Function Of Main Components And Accessories
Model: HKEN-HCNN 642 XR Classic Line Air Conditioner DESCRIPTION, DIMENSION AND FUNCTION OF MAIN COMPONENTS AND ACCESSORIES...
Page 10 Model: HKEN-HCNN 642 XR Classic Line Air Conditioner For model: HKEN 642 XR Test running switch(manual) Used only for test running in cooling Inlet grille when room temp. is below 16 Don't use it in normal operation. Emergency switch(manual) Used when remote controller is lost or defective.
Page 11 Model: HKEN-HCNN 642 XR Classic Line Air Conditioner Indoor unit for HKEN 642 XR NET DIMENSIONS: NET DIMENSIONS: Outdoor unit for HCNN 642 XR 113.5...
Page 12: Knock-Down Drawings
Model: HKEN-HCNN 642 XR Classic Line Air Conditioner HSU-09H03/R2(DB) KNOCK-DOWN DRAWINGS...
Page 13 Model: HKEN-HCNN 642 XR Classic Line Air Conditioner Model: HSU-18H03/R2(DB)
Page 14 Model: HKEN-HCNN 642 XR Classic Line Air Conditioner KNOCK-DOWN DRAWINGS FOR OUTDOOR UNIT...
Page 15: Brief Introduction To Electrical Control Functions
Model: HKEN-HCNN 642 XR Classic Line Air Conditioner BRIEF INTRODUCTION TO ELECTRICAL CONTROL FUNCTIONS...
Page 16 Model: HKEN-HCNN 642 XR Classic Line Air Conditioner One. Basic Control 1. Function Display Lights up when unit starts.Lights up when Timer operation is selectedn £ » 2. Temperature Adjustment Function In temperature adjustment function, operation frequency of outdoor unit is determined based on indoor temperature and set temperature.
Page 17 Model: HKEN-HCNN 642 XR Classic Line Air Conditioner Two. Operation Mode: 1. Half-automatic Operation Mode Half-automatic function is based on original automatic function. a. Cooling & Heating Model Unit When system is on and operation mode switches to automatic, the system will determine operation mode based on the difference of current set temperature and room temperature and will start operation as per mode determined.
Page 18 Model: HKEN-HCNN 642 XR Classic Line Air Conditioner * In case change of set temperature by remote control meets the condition of unit shut down or unit is powered off manually, the operation is not restricted by the 2-minute non-response feature and the unit will shut down immediately. 3.Dehumidification Mode: *Temperature Control Range:16---30¡...
Page 19 Model: HKEN-HCNN 642 XR Classic Line Air Conditioner feature. *In case change of set temperature by remote control meets the condition of unit shut down or unit is powered off manually, the operation is not restricted by the 2-minute non-response feature and will shut down immediately. *Anti Current Surge: External fan starts 2s after compressor is on.
Page 20 Model: HKEN-HCNN 642 XR Classic Line Air Conditioner Time count starts based on time difference between timing clock and current clock. Time off may be set and operation will stop when unit receives time off signal. Timed on may be set and operation will start when unit receives time on signal. Timed on/off may be set, which will be performed as per set sequence.
Page 21 Model: HKEN-HCNN 642 XR Classic Line Air Conditioner ¢ Ú Rated Heating a Entry Condition: The unit will enter rated heating upon receipt of remote control signal. b Indoor unit will operate as per the following procedures when entering rated heating mode: Air fan will enter manual high wind (or rated wind) operation, panel will display heating and rated data signal is in communication.
Page 22 Model: HKEN-HCNN 642 XR Classic Line Air Conditioner One. System Major Function Sensor Code Definition: Tai= Indoor Ambient Temperature, Tao=Outdoor Ambient Temperature, Tc1=Indoor Coil, Td= Air Discharge, Te= Outdoor Coil, Ts=Air Intake 1.1: Outdoor Unit Operation Frequency and Control 1.1.1: Compressor Operation Frequency Control Compressor Operation Frequency Range: Outdoor Temperature ~0¡...
Page 23 Model: HKEN-HCNN 642 XR Classic Line Air Conditioner Above 15¡ æ Low Wind Low Wind High Wind Below 15¡ æ Low Wind High Wind High Wind 1.3: Four-way Valve Control Defrosting Four-way Valve Control£ ¬ (please see defrosting process for details) Time sequence of the defrosting operation is as follows: Compressor Outdoors fan motor...
Page 24 Model: HKEN-HCNN 642 XR Classic Line Air Conditioner When one of the following conditions is met, defrosting operation will be switched to heating operation. £ ¨ 1£ © :Temperature of outdoor heat exchanger exceeds 7 ¡ æ for 80s continuously £...
Page 25 Model: HKEN-HCNN 642 XR Classic Line Air Conditioner Q: Maintain the previous instruction cycle. R: Rise at the speed of 1Hz/10s If TC>=65¡ æ £ ¬ and continues for 5s£ ¬ the unit will shutdown, outdoor fault indicator lamp will blink and fault will not be reported to indoor unit.¡ £ When compressor shutdown exceeds 3 minutes, and TC<48¡...
Page 26 Model: HKEN-HCNN 642 XR Classic Line Air Conditioner 3. Forced Cooling: When receiving indoor forced cooling signal, cooling operation will start in a frequency signaled by indoor unit. Only air discharge temperature and overcurrent protection features are effective and other protection features are invalid. 4.
Page 27: Wiring Diagram
Model: HKEN-HCNN 642 XR Classic Line Air Conditioner WIRING DIAGRAM...
Page 28 Model: HKEN-HCNN 642 XR Classic Line Air Conditioner FOR INDOOR UNIT...
Page 29 Model: HKEN-HCNN 642 XR Classic Line Air Conditioner FOR OUTDOOR UNIT 0010556830 WARNING CAUTION DON'T TOUCH CAPACITOR, EVEN AFTER PLUG-OFF ( DANGER OF ELECTRIC SHOCK) R(Y) R(Y) The capacitor retains high voltage even after the plug-off. COMPRESSOR For your safety, be sure to wait SPDU N(-) P(+)
Page 30: Circuit Diagram
Model: HKEN-HCNN 642 XR Classic Line Air Conditioner CIRCUIT DIAGRAM...
Page 31 Model: HKEN-HCNN 642 XR Classic Line Air Conditioner INDOOR UNIT PCB...
Page 32 Model: HKEN-HCNN 642 XR Classic Line Air Conditioner OUTDOOR UNIT PCB 275-104 25V-10UF 275V-103 12V/0.5W 4148 +12V +310V µçÔ´ µ÷ËÙ ËÙ¶È·´À¡ 1N4007 400V/680U 400V/680U 400V/680U 220K 220K...
Page 33: Abnormity Diagnose
Model: HKEN-HCNN 642 XR Classic Line Air Conditioner ABNORMITY DIAGNOSE...
Page 34 Model: HKEN-HCNN 642 XR Classic Line Air Conditioner HKEN-HCNN 642 XR Fault display code Fault codes Faulty Points Fault codes Faulty Points Power Timing Running Indoor Outdoor Resumable Power Timing Running Indoor Outdoor Resumable Faulty indoor thermistor Blinking Sensor in short or broken current Faulty indoor thermistor Blinking Sensor in short or broken current...
Page 35 Model: HKEN-HCNN 642 XR Classic Line Air Conditioner OUTDOOR FAULT REPORT (LED ON OUTDOOR UNIT PCB): MODEL: HCNN 642 XR Possible reason of malfunction Only shown on O.U. side Flashing times of O.U. LED Also transmitted to I.U. EEPROM malfunction IPM (Inverter Power Module) protection AC overcurrent or CT sensor fault Communication abnormal between...
Page 36: Trouble Shooting
Model: HKEN-HCNN 642 XR Classic Line Air Conditioner TROUBLE SHOOTING...
Page 37 Model: HKEN-HCNN 642 XR Classic Line Air Conditioner...
Page 38: Refrigerating Cycle Diagram
Model: HKEN-HCNN 642 XR Classic Line Air Conditioner REFRIGERATING CYCLE DIAGRAM...
Page 39 Model: HKEN-HCNN 642 XR Classic Line Air Conditioner Refrigerating cycle diagram...
Page 40: Noise Level Test Chart And Air Velocity Distribution
Model: HKEN-HCNN 642 XR Classic Line Air Conditioner NOISE LEVEL TEST CHART AND AIR VELOCITY DISTRIBUTION...
Page 41 Model: HKEN-HCNN 642 XR Classic Line Air Conditioner Noise level test chart and air velocity distribution Noise level test chart MODEL: HKEN-HCNN 642 XR 63Hz 125Hz 250Hz 500Hz 1000Hz 2000Hz 4000Hz 8000Hz indoor outdoor...
Page 42 Model: HKEN-HCNN 642 XR Classic Line Air Conditioner Noise level test chart and air velocity distribution Air velocity distribution MODEL: HKEN-HCNN 642 XR Air velocity distribution unit m/s Fig 1 top view flow control panel horizal 0.25 lourer:center unit m/s 0.5 0.25 Fig 2 top view...
Page 43: Installation Manual
Model: HKEN-HCNN 642 XR Classic Line Air Conditioner INSTALLATION MANUAL...
Page 44 Model: HKEN-HCNN 642 XR Classic Line 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...
Page 45 Model: HKEN-HCNN 642 XR Classic Line Air Conditioner 113.5 113.5 Floor fixing dimensions of the outdoor unit (Unit:mm) HCNN 642 XR 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 46 Model: HKEN-HCNN 642 XR Classic Line Air Conditioner 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.
Page 47 Model: HKEN-HCNN 642 XR Classic Line Air Conditioner Indoor unit 3.Installation of the Indoor Unit Drawing of pipe Rear piping Draw pipes and the drain hose, then fasten them with the adhesive tape Left Left-rear piping In case of left side piping, cut away, with a nipper, the lid for left piping. In case of left-rear piping, bend the pipes according to the piping direction to the mark of hole for left-rear piping which is marked on heat insulation materials.
Page 48 Model: HKEN-HCNN 642 XR Classic Line Air Conditioner Indoor unit 4.Connecting the indoor/outdoor Electric Cable Removing the wiring cover Remove terminal cover at right bottom corner of indoor unit, then take off wiring cover by removing its screws. When connecting the cable after installing the indoor unit 1.
Page 49 Model: HKEN-HCNN 642 XR Classic Line Air Conditioner 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 50 Model: HKEN-HCNN 642 XR Classic Line Air Conditioner Outdoor unit 5.Purging Method:To use vacuum pump Liquid Side 6.35mm(1/4") 2-way valve 2-way valve Gas Side 12.7mm(1/2") 3-way valve Detach the service port's cap of 3-way valve, the valve rod's cap for 2-way valve and 3-way's, connect Gaugemanifold(for R410A) the service port into the projection of charge hose Anti countercurrent joint...
Page 51 Model: HKEN-HCNN 642 XR Classic Line Air Conditioner 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.
Page 52 TERMAL srl Via della Salute, 14 40132 Bologna - Italy Tel. +39.051.41.33.111 Fax +39.051.41.33.112 www.termalgroup.com Due to on-going technological development of the products by the manufacturer, we reserve the right to vary the technical specifications at any time without notice.