Airwell HAF 7 Service Manual
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Airwell HAF 7 Service Manual

Airwell HAF 7 Service Manual

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Service Manual

REFRIGERANT
R410A
SM HAFRPM 1-A.3 GB
HAF Series
Indoor Units
Outdoor Units
CON 7 (Alpha)
HAF 7
GCN 7
GCN 9 (Alpha)
HAF 9
ONG3-9
GCN 12 (Alpha)
HAF 12
ONG3-12
MAY – 2009
CONTENTS
COOLING ONLY
HEAT PUMP

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  • Page 1: Service Manual

    Service Manual HAF Series Indoor Units Outdoor Units CON 7 (Alpha) HAF 7 GCN 7 GCN 9 (Alpha) HAF 9 ONG3-9 GCN 12 (Alpha) HAF 12 ONG3-12 REFRIGERANT COOLING ONLY R410A HEAT PUMP MAY – 2009 SM HAFRPM 1-A.3 GB...
  • Page 2 LIST OF EFFECTIVE PAGES LIST OF EFFECTIVE PAGES Note: Changes in the pages are indicated by a “Revision#” in the footer of each effected page (when none indicates no changes in the relevant page). All pages in the following list represent effected/ non effected pages divided by chapters.

  • Page 3: Table Of Contents

    TABLE OF CONTENTS Table of Contents INTRODUCTION ....................1-1 PRODUCT DATA SHEET ..................2-1 RATING CONDITIONS ..................3-1 OUTLINE DIMENSIONS ..................4-1 PERFORMANCE DATA & PRESSURE CURVES ..........5-1 SOUND LEVEL CHARACTERISTICS ..............6-1 ELECTRICAL DATA ....................7-1 WIRING DIAGRAMS .....................8-1 ELECTRICAL CONNECTIONS ................9-1 10. REFRIGERATION DIAGRAMS ................10-1 11.

  • Page 4: Main Features

    The new HAF split wall mounted is based on the compact range. It comprise the ST (cooling only) and RC (heat pump) models, as follows: Cooling Only HAF 7 ST/CON 7 ST; HAF 7 ST/GCN 7 ST; ● HAF 9 ST/GCN 9 ST; HAF 9 ST/ONG3-9 ST;...

  • Page 5: Indoor Unit

    INTRODUCTION Indoor Unit The indoor unit is wall mounted, and can be easily fitted to many types of residential and commercials applications. It includes: Casing with air inlet and outlet grills. ● A large-diameter tangential fan. ● Bended coil with treated aluminum fins. ●...

  • Page 6: Tubing Connections

    For further details please refer to the Installation Manual, Appendix A. Inbox Documentation Each unit is supplied with its own installation and operation manuals. Matching Table INDOOR UNITS OUTDOOR UNITS HAF 7 HAF 9 HAF 12 MODEL REFRIGER. √ CON 7 / GCN7 R410A √...
  • Page 7 PRODUCT DATA SHEET PRODUCT DATA SHEET HAF 7 / CON 7 (1) Rating conditions in accordance with ISO 5151 and ISO 13253 (for ducted units) and EN 14511. (2) Airflow in ducted units; at nominal external static pressure. (3) Sound power in ducted units is measured at air discharge.
  • Page 8 PRODUCT DATA SHEET HAF 9 / GCN 9 (1) Rating conditions in accordance with ISO 5151 and ISO 13253 (for ducted units). and EN 14511 (2) Airflow in ducted units; at nominal external static pressure. (3) Sound power in ducted units is measured at air discharge. (4) Sound pressure level measured at 1 meter distance from unit.
  • Page 9 PRODUCT DATA SHEET HAF 12 / GCN 12 (1) Rating conditions in accordance with ISO 5151 and ISO 13253 (for ducted units). and EN 14511 (2) Airflow in ducted units; at nominal external static pressure. (3) Sound power in ducted units is measured at air discharge. (4) Sound pressure level measured at 1 meter distance from unit.
  • Page 10 PRODUCT DATA SHEET HAF7, 9, 12 Matching GCN7, ONG3-9, ONG3-12 Waiting For SII SM HAFRPM 1-A.3 GB CONTENTS...

  • Page 11: Rating Conditions

    RATING CONDITIONS RATING CONDITIONS Standard conditions in accordance with ISO 5151, ISO 13253 (for ducted units) and EN 14511. Cooling: Indoor: C DB 19 C WB Outdoor: 35 C DB Heating: Indoor: C DB Outdoor: 7 C DB 6 C WB Operating Limits 3.1.1 R410A Indoor...

  • Page 12: Outline Dimensions

    OUTLINE DIMENSIONS OUTLINE DIMENSIONS Indoor Unit: HAF 7, HAF 9 Indoor Unit: HAF 12 SM HAFRPM 1-A.3 GB CONTENTS...
  • Page 13 OUTLINE DIMENSIONS Outdoor Unit: CON 7 Outdoor Unit: GCN 7, GCN 9, GCN 12 AI R I N TAKE AI R O U TLET SM HAFRPM 1-A.3 GB CONTENTS...
  • Page 14 OUTLINE DIMENSIONS Indoor Unit: ONG3-9, ONG3-12 SM HAFRPM 1-A.3 GB CONTENTS...
  • Page 15 PERFORMANCE DATA & PRESSURE CURVES PERFORMANCE DATA & PRESSURE CURVES HAF 7 / CON 7 5.1.1 Cooling Mode at 7.5m Tubing Connection. 230V : Indoor Fan at High Speed. ENTERING AIR WB/DB ID Coil( ENTERING AIR Data DB OD Coil(...
  • Page 16 PERFORMANCE DATA & PRESSURE CURVES 5.1.2 Heating ENTERING AIR DB ID COIL( ENTERING WB OD COIL( 1.08 0.51 1.04 0.55 0.99 0.57 1.16 0.52 1.12 0.55 1.08 0.58 1.23 0.53 1.19 0.56 1.15 0.60 1.44 0.59 1.50 0.56 1.37 0.63 2.11 0.60 2.05...
  • Page 17 PERFORMANCE DATA & PRESSURE CURVES Model: HAF 7 / GCN 7 5.2.1 Cooling SM HAFRPM 1-A.3 GB CONTENTS...

  • Page 18: Performance Data & Pressure Curves

    PERFORMANCE DATA & PRESSURE CURVES 5.2.2 Heating SM HAFRPM 1-A.3 GB CONTENTS...
  • Page 19 PERFORMANCE DATA & PRESSURE CURVES HAF 9 / GCN 9 5.3.1 Cooling Mode at 7.5m Tubing Connection. 230V : Indoor Fan at High Speed. ENTERING AIR WB/DB ID Coil( ENTERING AIR Data DB OD Coil( 15/21 17/24 19/27 21/29 23/32 2.69 2.78 2.85...
  • Page 20 PERFORMANCE DATA & PRESSURE CURVES 5.3.2 Heating ENTERING AIR DB ID COIL( ENTERING WB OD COIL( 1.45 0.70 1.39 0.75 1.34 0.79 1.56 0.72 1.50 0.76 1.45 0.80 1.66 0.73 1.60 0.77 1.55 0.82 2.01 0.77 1.93 0.81 1.85 0.86 2.84 0.82 2.76...
  • Page 21 PERFORMANCE DATA & PRESSURE CURVES Model: HAF 9 / GCN9 5.4.1 Cooling SM HAFRPM 1-A.3 GB CONTENTS...
  • Page 22 PERFORMANCE DATA & PRESSURE CURVES 5.4.2 Heating SM HAFRPM 1-A.3 GB CONTENTS...
  • Page 23 PERFORMANCE DATA & PRESSURE CURVES HAF 12 / GCN 12 5.5.1 Cooling Mode at 7.5m Tubing Connection. 230V : Indoor Fan at High Speed. ENTERING AIR WB/DB ID Coil( ENTERING AIR Data DB OD Coil( 15/21 17/24 19/27 21/29 23/32 3.63 3.76 3.84...
  • Page 24 PERFORMANCE DATA & PRESSURE CURVES 5.5.2 Heating ENTERING AIR DB ID COIL( ENTERING WB OD COIL( 1.94 0.94 1.86 1.00 1.79 1.05 2.08 0.96 2.01 1.01 1.94 1.07 2.21 0.97 2.14 1.03 2.07 1.09 2.58 1.08 2.69 1.02 2.47 1.15 3.80 1.09 3.69...
  • Page 25 PERFORMANCE DATA & PRESSURE CURVES Model: HAF 12 / GCN 12 5.6.1 Cooling SM HAFRPM 1-A.3 GB 5-11 CONTENTS...
  • Page 26 PERFORMANCE DATA & PRESSURE CURVES 5.6.2 Heating 5-12 SM HAFRPM 1-A.3 GB CONTENTS...
  • Page 27 PERFORMANCE DATA & PRESSURE CURVES Model: HAF 7 / GCN 7 5.7.1 Cooling Mode at 7.5m Tubing Connection. 230V : Indoor Fan at High Speed. ENTERING AIR WB/DB ID COIL ( °C) ENTERING AIR DATA DB OD COIL (°C) 15/21...
  • Page 28 PERFORMANCE DATA & PRESSURE CURVES 5.7.2 Heating Mode at 7.5m Tubing Connection. 230V : Indoor Fan at High Speed. ENTERING AIR DB ID COIL ( °C) ENTERING AIR WB OU COIL ( °C) 0.51 1.06 0.55 1.02 0.57 0.90 0.52 1.14 0.55 1.10...
  • Page 29 PERFORMANCE DATA & PRESSURE CURVES 5.8. Model: HAF 7 / GCN 7 5.8.1 Cooling SM HAFRPM 1-A.3 GB 5-15 CONTENTS...
  • Page 30 PERFORMANCE DATA & PRESSURE CURVES 5.8.2 Heating. 5-16 SM HAFRPM 1-A.3 GB CONTENTS...
  • Page 31 PERFORMANCE DATA & PRESSURE CURVES Model: HAF 9 / ONG3-9 5.9.1 Cooling Mode at 7.5m Tubing Connection. 230V : Indoor Fan at High Speed. ENTERING AIR WB/DB ID COIL ( °C) ENTERING AIR DATA DB OD COIL (°C) 15/21 17/24 19/27 21/29 23/32...
  • Page 32 PERFORMANCE DATA & PRESSURE CURVES 5.9.2 Heating Mode at 7.5m Tubing Connection. 230V : Indoor Fan at High Speed. ENTERING AIR DB ID COIL ( °C) ENTERING AIR WB OU COIL ( °C) 1.44 0.65 1.38 0.69 1.33 0.72 1.55 0.66 1.49 0.70...
  • Page 33 PERFORMANCE DATA & PRESSURE CURVES 5.10. Model: HAF 9 / ONG3-9 5.10.1 Cooling SM HAFRPM 1-A.3 GB 5-19 CONTENTS...
  • Page 34 PERFORMANCE DATA & PRESSURE CURVES 5.10.2 Heating. 5-20 SM HAFRPM 1-A.3 GB CONTENTS...
  • Page 35 PERFORMANCE DATA & PRESSURE CURVES 5.11 Model: HAF 12 / ONG3-12 5.11.1 Cooling Mode at 7.5m Tubing Connection. 230V : Indoor Fan at High Speed. ENTERING AIR WB/DB ID COIL ( °C) ENTERING AIR DATA DB OD COIL (°C) 15/21 17/24 19/27 21/29...
  • Page 36 PERFORMANCE DATA & PRESSURE CURVES 5.11.2 Heating Mode at 7.5m Tubing Connection. 230V : Indoor Fan at High Speed. ENTERING AIR DB ID COIL ( °C) ENTERING AIR WB OU COIL ( °C) 1.82 0.81 1.75 0.86 1.68 0.90 1.96 0.83 1.89 0.87...
  • Page 37 PERFORMANCE DATA & PRESSURE CURVES 5.12. Model: HAF 12 / ONG3-12 5.12.1 Cooling SM HAFRPM 1-A.3 GB 5-23 CONTENTS...
  • Page 38 PERFORMANCE DATA & PRESSURE CURVES 5.12.2 Heating. Heating. 5-24 SM HAFRPM 1-A.3 GB CONTENTS...

  • Page 39: Sound Level Characteristics

    SOUND LEVEL CHARACTERISTICS Sound Pressure Level Figure 1. Wall Mounted Figure 2. Floor Mounted Figure 3. Ducted Figure 4. Cassette Soud Pressure Level Spectrum (Measured as Figure 1) HAF 7 HAF 9 FAN SPEED LINE SM HAFRPM 1-A.3 GB CONTENTS...

  • Page 40: Outdoor Units

    SOUND LEVEL CHARACTERISTICS HAF 12 Outdoor units Microphone Distance from Unit Sound Pressure Level Spectrum (Measured as Figure 5) GCN 7 Cooling GCN 7 Heating NC-70 NC-70 NC-60 NC-60 NC-50 NC-50 NC-40 NC-40 NC-30 NC-30 APPROXIMATE APPROXIMATE THRESHOLD OF THRESHOLD OF HEARING FOR HEARING FOR NC-20...
  • Page 41 SOUND LEVEL CHARACTERISTICS ONG3-9 Cooling ONG3-9 Heating NC-70 NC-70 NC-60 NC-60 NC-50 NC-50 NC-40 NC-40 NC-30 NC-30 APPROXIMATE APPROXIMATE THRESHOLD OF THRESHOLD OF HEARING FOR NC-20 HEARING FOR NC-20 CONTINUOUS CONTINUOUS NOISE NOISE BAND CENTER FREQUENCIES, Hz BAND CENTER FREQUENCIES, Hz ONG3-12 Cooling ONG3-12 Heating NC-70...
  • Page 42 SOUND LEVEL CHARACTERISTICS CON 7 Cooling CON 7 Heating NC-70 NC-70 NC-60 NC-60 NC-50 NC-50 NC-40 NC-40 NC-30 NC-30 APPROXIMATE APPROXIMATE THRESHOLD OF THRESHOLD OF HEARING FOR HEARING FOR NC-20 NC-20 CONTINUOUS CONTINUOUS NOISE NOISE BAND CENTER FREQUENCIES, Hz BAND CENTER FREQUENCIES, Hz GCN 9 Cooling GCN 9 Heating NC-70...
  • Page 43 SOUND LEVEL CHARACTERISTICS GCN 12 Cooling GCN 12 Heating NC-70 NC-70 NC-60 NC-60 NC-50 NC-50 NC-40 NC-40 NC-30 NC-30 APPROXIMATE APPROXIMATE THRESHOLD OF THRESHOLD OF HEARING FOR HEARING FOR NC-20 NC-20 CONTINUOUS CONTINUOUS NOISE NOISE BAND CENTER FREQUENCIES, Hz BAND CENTER FREQUENCIES, Hz SM HAFRPM 1-A.3 GB CONTENTS...

  • Page 44: Electrical Data

    ELECTRICAL DATA ELECTRICAL DATA Single Phase Units MODEL HAF 7 HAF 9 To indoor To indoor Power Supply 1PH-230V-50Hz 1PH-230V-50Hz Max Current, A Circuit Breaker,A Power Supply Wiring No. X 3x1.0 mm 3x1.0 mm Cross Section mm Interconnecting Cable RC 5x1.0 mm...

  • Page 45: Wiring Diagrams

    WIRING DIAGRAMS WIRING DIAGRAMS Indoor Unit: HAF 7, HAF 9, HAF 12 SM HAFRPM 1-A.3 GB CONTENTS...
  • Page 46 WIRING DIAGRAMS Outdoor Unit: CON 7 Outdoor Unit: GCN 7, GCN 9, GCN 12 SM HAFRPM 1-A.3 GB CONTENTS...
  • Page 47 WIRING DIAGRAMS Outdoor Unit: ONG3-9, ONG3-12 SM HAFRPM 1-A.3 GB CONTENTS...

  • Page 48: Electrical Connections

    ELECTRICAL CONNECTIONS ELECTRICAL CONNECTIONS HAF 7, HAF 9, HAF 12 SM HAFRPM 1-A.3 GB CONTENTS...

  • Page 49: Refrigeration Diagrams

    REFRIGERATION DIAGRAMS REFRIGERATION DIAGRAMS 10.1 Heat Pump Models 10.1.1 HAF 7, HAF 9, HAF 12 OUTDOOR UNIT INDOOR UNIT Service port Sensor Sensor Flared Valves connection Reverse valve Capillary tube Capillary Indoor coil tube Strainer Check Outdoor coil valve COOLING MODE...
  • Page 50 REFRIGERATION DIAGRAMS 10.2 Cooling Only Models 10.2.1 HAF 7, HAF 9, HAF 12 OUTDOOR UNIT INDOOR UNIT Service port Sensor Flared Valves connection Capillary Indoor coil tube Strainer Outdoor coil 10-2 Service Manual - ALPHA CONTENTS...

  • Page 51: Tubing Connections

    TUBING CONNECTIONS TUBING CONNECTIONS TUBE (Inch) ¼” ⅜” ½” ⅝” ¾” TORQUE (Nm) Flare Nuts 11-13 40-45 60-65 70-75 80-85 Valve Cap 13-20 13-20 18-25 18-25 40-50 Service Port Cap 11-13 11-13 11-13 11-13 11-13 Valve Protection Cap-end Refrigerant Valve Port (use Allen wrench to open/close) Valve Protection Cap Refrigerant Valve Service Port Cap...

  • Page 52: Introduction

    CONTROL SYSTEM CONTROL SYSTEM HAF 7, HAF 9, HAF 12 12.1 Electronic Control 12.1.1 Introduction The electronic control information is designed for service applications, and is common to the following groups of air-conditioners: ● ST/ RC group -Cooling only / cooling and heating by heat pump.
  • Page 53 CONTROL SYSTEM 12.2 Legend - Alternate Current - Air-Conditioner - ON or OFF status CLOCK - ON/OFF Operation Input, (dry contact) COMP - Compressor - Central Processing Unit ELUM - Extended Louver Upward Movement (Software Jumper) E²PROM, EEP - Erase Enable Programmable Read Only Memory - Heating Element - High Pressure Control - Hardware...
  • Page 54 CONTROL SYSTEM 12.3 Main PCB Controller 12.3.1 Display SM HAFRPM 1-A.3 GB 12-3 CONTENTS...

  • Page 55: General Functions

    CONTROL SYSTEM 12.4 General functions 12.4.1 COMP operation For each Mode including POWER OFF & SB, a Min time delay of 3 min before COMP restarting, excluding DEICING Mode The Min operation time of COMP under different operating conditions is Min operation time of Operation Mode COMP...
  • Page 56 CONTROL SYSTEM 12.4.5 Protections  High pressure protection is applicable to all operating modes.  Deicing control is valid in Heat and Auto Heat Mode only.  Defrosting control is valid in Dry, Cool, Heat and Auto Modes.  No reset after protection modes. 12.4.6 Thermistors operation ...
  • Page 57 CONTROL SYSTEM 12.4.6.2 Handling the thermistor faults in a COMP unit ICT/OCT thermistor is disconnected or shorted - The invalid thermistor temperature is replaced by 43 c, so that the unit can continue the normal operation. All protections related to that faulty thermistor will be disabled.
  • Page 58 CONTROL SYSTEM 12.5 Cooling Mode - General Room Temperature, RT, is detected by  RAT in normal operation, or  RCT (R/C sensor) in I-FEEL mode. The resolution of RT is 1  RT is activating COMP/WVL if (RT > SPT), and ...
  • Page 59 CONTROL SYSTEM 12.5.1 Cooling Mode: Cool, Auto (at Cooling) Temp: Selected desired temperature. Fan: HIGH, MED, LOW Timer: Any I Feel: On or Off Control function Maintains room temp at desired level by comparing RT and SPT. (RT - SPT) [ COMP (WVL) OFAN...
  • Page 60 CONTROL SYSTEM 12.5.2 Cooling with Autofan Mode: Cool, Auto (at cooling) Temp: Selected desired temperature Fan: Auto Timer: Any I Feel: On or Off Control function Maintains room temp at desired level and controls the IFAN speed for optimal comfort. (RT - SPT) [ COMP (WVL)

  • Page 61: Heating Mode

    CONTROL SYSTEM 12.6 Heating Mode 12.6.1 Heating Mode - General  In heating Mode, temp. compensation schedule will be activated for wall mounted units. Add to SPT SPT [ I-FEEL ON I-FEEL OFF 18  SPT  27 27 < SPT  30 Notes : ...
  • Page 62 CONTROL SYSTEM 12.6.3 HE operation  For all Groups, HE can be ON only when IFAN is ON.  For all Groups, HE switches to OFF when ICT > 50 c, and is activated again when ICT  45  In SH or RC group, HE operation is limited by the following graph: General : ICT [ For WAX :...
  • Page 63 CONTROL SYSTEM 12.6.4 Heating, RC or SH Group Mode: Heat, Auto (at heating) Temp: Selected desired temperature Fan: HIGH, MED, LOW Timer: Any I Feel: On or Off Control function Maintains room temp. at desired level by comparing RAT or RCT to SPT. (RT - SPT) [ COMP (WVL)
  • Page 64 CONTROL SYSTEM 12.6.5 Heating, RC or SH Group with Autofan Mode: Heat, Auto (at heating) Temp: Selected desired temperature Fan: Auto Timer: Any I Feel: On or Off Control function Maintains room temp at desired level by controlling COMP, IFAN and OFAN. (RT - SPT) [ COMP (WVL)
  • Page 65 CONTROL SYSTEM 12.6.6 OFAN operation is controlled by the graph below when 1. (RAT  SPT – 2 c), AND 2. (ICT  45 c), AND 3. (COMP is ON) Otherwise, OFAN runs together with COMP. OCT [ OFAN 12-14 SM HAFRPM 1-A.3 GB CONTENTS...
  • Page 66 CONTROL SYSTEM 12.7 Automatic Cooling or Heating 12.7.1 Automatic Cooling or Heating - General  Switching-temperature between Cooling and Heating is SPT  3  Autofan in Automatic Cooling and Heating Mode will activate “Cooling with Autofan Mode” and “Heating with Autofan Mode” respectively. ...
  • Page 67 CONTROL SYSTEM 12.7.2 Auto Cooling or Heating, RC or SH Groups Mode: Auto Temp: Selected desired temperature Fan: Timer: Any I Feel: On or Off Control function Maintains room temp at desired level by selecting between cooling and heating modes. (RT - SPT) [ Auto Heat Mode Auto Cool Mode...

  • Page 68: Dry Mode

    CONTROL SYSTEM 12.8 Dry Mode 12.8.1 Dry, ST or RC group Mode: Dry Temp: Selected desired temp Fan: Low (automatically selected by software) Timer: Any I FEEL: Control function Reduce room humidity with minimum temp. fluctuations by operating in Cool Mode with low speed IFAN.
  • Page 69 CONTROL SYSTEM 12.9 Protection 12.9.1 Cooling Mode Protections Indoor Coil Defrost Mode: Cooling, Dry, Auto Temp: Selected desired temp. Fan: Timer: Any I Feel: On or Off Control Function Protect the indoor coil from ice formation at low ambient temperature. ICT [ OFAN COMP...
  • Page 70 CONTROL SYSTEM 12.9.2 High Pressure Protection Mode: (Auto) Cooling or Dry Temp: Selected desired temp. Fan: Timer: Any I Feel: On or Off Control Function To protect the COMP from the high pressure built-up in the outdoor coil during normal cooling operation, by switching OFF the IFAN and COMP.
  • Page 71 CONTROL SYSTEM 12.9.3 Heating Mode Protections Outdoor coil Deicing (excluding RH Group) Mode: Heating, Auto (at heating) Temp: Selected desired Temp Fan: Timer: Any I FEEL: Control function Protects the Outdoor coil from ice formation by controlling COMP & RV operation. Scope This new deicer is designed to operate at extreme temp conditions.
  • Page 72 CONTROL SYSTEM Deicing procedure OCT [ (DDT) 3 min 3 min max 12 min. COMP DI (note 1) DI (note 2) OFAN IFAN is forced to Low Speed IFAN HEs are forced ON IFAN Note 3 HEs are forced OFF OPER BLINK Notes :...
  • Page 73 CONTROL SYSTEM 12.9.4 High pressure protection (excluding RH Group) Mode: (Auto) Heating Fan: Timer: Any I Feel: On or Off Control Function Protect the Compressor from high pressure by switching OFF the OFAN and COMP. ICT [ For all models except WAX For WAX model COMP is forced OFF COMP...
  • Page 74 CONTROL SYSTEM 12.10 Timer Mode: Any Temp. Selected desired temp Fan: Timer: Timer On, Timer Off I Feel: On or Off Control function  Starts or stops the unit operation after pre-set time. If RC-1 is used, the timer setting will be (0.5 - 24 Hr) from the moment the timer is set. The minimum resolution is 30 minutes.

  • Page 75: Forced Operation

    CONTROL SYSTEM 12.11 Forced Operation Forced operation allows units to start, stop and operate in Cooling or Heating in pre-set temperature according to the following table: Pre-set Temp for : Forced operation mode WMZ, WMF,WNG models Cooling 22C Heating 28C Note: ...

  • Page 76: Sm Hafrpm 1-A.3 Gb

    CONTROL SYSTEM 12.12 Sleep Mode Mode: Any Temp: Set – desired temperature selected Fan: Timer: Interact with Sleep Timer as described in sect 12.2 I Feel: On or Off The Sleep mode is activated by using the sleep button on the R/C. In Sleep Mode, the unit will automatically adjust the SPT to turn up/down the room temperature (RT) gradually to provide maximum comfort to the user in sleep.
  • Page 77 CONTROL SYSTEM 12.12.2 Time adjustment in Sleep Mode The user can make use of the Off-Timer to extend the Sleep Time from 7 hours to 12 hour (max). The operation of the new “Extended Sleep Mode” is illustrated by the graphs below.
  • Page 78 CONTROL SYSTEM 12.13 Controller Self-Test Procedure 12.13.1 By Shorting Test Jumper J1 The purpose of the Self Test mode is to provide an easy solution to test all the input and output circuits and devices of the control board or the unit assembly. In previous version of software the Self Test mode can be initiated by using the jumper J1 only.
  • Page 79 CONTROL SYSTEM 12.13.4 Self Test Operation (flow chart procedure) : a. Activate the Self Test Mode by using the J1 jumper or the special R/C settings. b. The real time statuses of the jumpers J2-J8 are immediately indicated by the corresponding LEDs shown in the table.
  • Page 80 CONTROL SYSTEM Analogue voltage test for AN4-AN6 and Logic level test for P11-P13 If the test Mode is initiated by using the special R/C settings, the real time status of the AN4- AN6 and P11-P13 inputs are indicated by the corresponding LEDs shown below. LED indicator Condition for LED to be ON AN6 (RAT) <>...
  • Page 81 CONTROL SYSTEM Failed condition: 0 sec - STB is turned ON 3 sec - STB, OPER, TIMER and FILTER are turned ON When this test is completed, the MCU will proceed to next test automatically h. EEPROM Write/Read/Verify Test: The original EEPROM data is saved in the RAM buffer of the MCU. One complements of the original data are written to the EEPROM as test patterns.
  • Page 82 CONTROL SYSTEM 12.14 On Unit Indicators and Controls Lights up when the Air Conditioner is connected to power and STAND BY ready to receive the R/C commands INDICATOR Blinks continuously in case of any thermistor failure. Lights up during operation. Blinks for 300 ms, to announce that a R/C infrared signal has been received and stored.

  • Page 83: Troubleshooting

    TROUBLESHOOTING TROUBLESHOOTING SYMPTON PROBABLE CAUSE CORRECTIVE ACTION The stand-by There is no correct voltage -If the voltage is low repair power indicator (red led) between the line and neutral supply. on the central terminals on main P.C.B control display -If there is no voltage repair general panel doesn’t light wiring.
  • Page 84 TROUBLESHOOTING SYMPTON PROBABLE CAUSE CORRECTIVE ACTION No cooling or Outdoor fan motor faulty or -Replace P.C.B. heating only indoor other fault caused, compressor -Outdoor fan blocked remove fan works. overload protection cut out. obstructions. Only indoor fan Outdoor fan blocked. -Remove obstructions.

  • Page 85: Exploded Views And Spare Parts Lists

    EXPLODED VIEWS AND SPARE PARTS LISTS EXPLODED VIEWS AND SPARE PARTS LISTS 14.1 Indoor Unit: HAF 7, HAF 9, HAF 12 SM HAFRPM 1-A.3 GB 14-1 CONTENTS...

  • Page 86: Indoor Unit: Haf

    14.2 Indoor Unit: HAF 7 Drawing NO. Component Item Description 465720334 Front frame & Front Plate Assy.Electra 465720338 Front frame & Front Plate Assy.Airwell 465720342 Front frame & Front Plate Assy.Johnson 453036500 Air Filter 470500005 Nanometer Photocatalysis Deodorant Filter 470500008...
  • Page 87 14.3 Indoor Unit: HAF 9 Drawing NO. Component Item Description 465720334 Front frame & Front Plate Assy.Electra 465720338 Front frame & Front Plate Assy.Airwell 465720342 Front frame & Front Plate Assy.Johnson 453036500 Air Filter 470500005 Nanometer Photocatalysis Deodorant Filter 470500008...
  • Page 88 Indoor Unit: HAF 12 Drawing NO. Component Item Description 465720335 Front frame & Front Plate Assy.Electra 465720339 Front frame & Front Plate Assy.Airwell 465720343 Front frame & Front Plate Assy.Johnson 453082900 Filter for DELTA 12 470500006 Nanometer Photocatalysis Deodorant Filter...
  • Page 89 EXPLODED VIEWS AND SPARE PARTS LISTS 14.5 Outdoor Unit CON 7 RC SM HAFRPM 1-A.3 GB 14-5 CONTENTS...

  • Page 90: Outdoor Unit: Con

    EXPLODED VIEWS AND SPARE PARTS LISTS 14.6 Outdoor Unit: CON 7 RC Part No. Description 436358 L.lifter 4526671 Front Panel 4526481 CON Outdoor Grille 4527483 Screw ST4X10-C-H DK>9 453044400 Partition plate 4525427 Clip for capacitance 455000108 Double patch Capacitor for fan motor 2uF 236179 2 Poles Terminal Block 453057000...
  • Page 91 EXPLODED VIEWS AND SPARE PARTS LISTS 14.7 Outdoor Unit: CON 7 ST SM HAFRPM 1-A.3 GB 14-7 CONTENTS...
  • Page 92 EXPLODED VIEWS AND SPARE PARTS LISTS 14.8 Outdoor Unit: CON 7 ST Part No. Description 436358 L.lifter 4526671 Front Panel 4526481 CON Outdoor Grille 4527483 Screw ST4X10-C-H DK>9 453044400 Partition plate 4525427 Clip for capacitance 455000108 Double patch Capacitor for fan motor 2uF 453057000 Pedestal/Control 4514588...
  • Page 93 EXPLODED VIEWS AND SPARE PARTS LISTS 14.9 Outdoor Unit: GCN 9, 12 RC SM HAFRPM 1-A.3 GB 14-9 CONTENTS...
  • Page 94 EXPLODED VIEWS AND SPARE PARTS LISTS 14.10 Outdoor Unit: GCN 9 RC Part No. Description 4516158 PAINTED COVER PANEL ASSY. 4522551 Grill A of GCN 436358 Left Handle 4523441 Front Panel A Painting Assy. 4516907 Base Painting Assy. 453086200 Side Plate Painting Assy. 4516857 Big Side Cover 204107...
  • Page 95 EXPLODED VIEWS AND SPARE PARTS LISTS 14.11 Outdoor Unit GCN 12 RC Part No. Description 4516158 PAINTED COVER PANEL ASSY. 4522551 Grill A of GCN 436358 Left Handle 4523441 Front Panel A Painting Assy. 4523862 Base Painting Assy. 453086200 Side Plate Painting Assy. 4516857 Big Side Cover 204107...
  • Page 96 EXPLODED VIEWS AND SPARE PARTS LISTS 14.12 Outdoor Unit: GCN 9,12 ST 14-12 SM HAFRPM 1-A.3 GB CONTENTS...
  • Page 97 EXPLODED VIEWS AND SPARE PARTS LISTS 14.13 Outdoor Unit GCN 9 ST Part No. Description 4516158 PAINTED COVER PANEL ASSY. 4522551 Grill A of GCN 436358 Left Handle 4523441 Front Panel A Painting Assy. 4516907 Base Painting Assy. 453086200 Side Plate Painting Assy. 4516857 Big Side Cover 204107...
  • Page 98 EXPLODED VIEWS AND SPARE PARTS LISTS 14.14 Outdoor Unit: GCN 12 ST Part No. Description 4516158 PAINTED COVER PANEL ASSY. 4522551 Grill A of GCN 436358 Left Handle 4523441 Front Panel A Painting Assy. 4523862 Base Painting Assy. 453086200 Side Plate Painting Assy. 4516857 Big Side Cover 204107...
  • Page 99 EXPLODED VIEWS AND SPARE PARTS LISTS 14.15 Outdoor Unit: ONG3-9, ONG3-12 RC SM HAFRPM 1-A.3 GB 14-15 CONTENTS...
  • Page 100 EXPLODED VIEWS AND SPARE PARTS LISTS 14.16 Outdoor Unit: ONG3-9 RC Item Code Item Description Quantity 433218 Front Panel A 433221 Air Inlet Ring-420 4523060 Base Painting Assy. 455000108 Double patch Capacitor for fan 433217 Partition Plate 4519300 Nut M5 L 455000502 Compressor Capacitor 35uF With Screw 201019...
  • Page 101 EXPLODED VIEWS AND SPARE PARTS LISTS 14.17 Outdoor Unit: ONG3-12 RC Item Code Item Description Quantity 433218 Front Panel A 433221 Air Inlet Ring-420 464600063 Base Plate Painting Assy./ ONG3-12R410A( 455000108 Double patch Capacitor for fan 433217 Partition Plate 4519300 Nut M5 L 455000503 Compressor Capacitor With Screw...

  • Page 102: Appendix A

    APPENDIX A APPENDIX A INSTALLATION AND OPERATION MANUAL ► INSTALLATION AND OPERATION MANUAL HAF 7, HAF 9, HAF 12 15-1 SM HAFRPM 1-A.3 GB CONTENTS...

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