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Electra WNG-9INV/GC-9INV Technical & Service Manual

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ELECTRA CONSUMER PRODUCTS LTD
Version 1.0
Date: 01/11/2002

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Summary of Contents for Electra WNG-9INV/GC-9INV

  • Page 1 ELECTRA CONSUMER PRODUCTS LTD Version 1.0 Date: 01/11/2002...

  • Page 2: Table Of Contents

    HPI Inverter Series Contens TECHNICAL AND SERVICE MANUAL CONTENTS FEATURES ................1 SPECIFICATIONS & OPERATING RANGE ......2 PERFORMANCE CURVES ........... 3 OUTLINE DIMENSIONS ............4 REFRIGERATION DIAGRAMS ..........5 WIRING DIAGRAMS ............. 6 CONTROL FUNCTION ............7 TROUBLESHOOTING ............8 INDOOR &...

  • Page 3: Features

    HPI Inverter Series Features HPI Series Features Single split AC Inverter R-22 and R407c models Lego concept (R407c only) Wide dynamic range Energy saving Very low noise levels Variable speed indoor and outdoor fan motors Base heater Self contained diagnostics Full Electro Magnetic Compliance CE, CB Compliance Power Factor Correction...

  • Page 4: Specifications & Operating Range

    HPI Inverter Series Specifications & Operating Range WNG-9INV/GC-9INV Item Model Function Cooling Heating Capacity Kal/hr 2150(820-2750) 2580(850-3265) 8540(3410-10920) 10240(3410-13000) Btu/hr 2500(1000-3200) 3000(1000-3800) Total Input 870(400-1450) 1100(375-1800) Running Current Power Supply (ph, Hz, voltage) single 50HZ 220V External finish Texture Heat exchanger...
  • Page 5 HPI Inverter Series Specifications & Operating Range Item Model WNG-11INV/GC-11INV Function Cooling Heating 2750(775-3270) 3610(775-4300) Capacity Kal/hr Btu/hr 10910(3070-12960) 14322(3070-17050) 3200(900-3800) 4200(900-5000) 1200(400-1700) 1650(400-2250) Total Input Running Current Power Supply (ph, Hz, voltage) single 50HZ 230V Ionizer YES (optional) Electrostatic Filter YES (optional) External finish Texture...
  • Page 6 HPI Inverter Series Specifications & Operating Range Preliminary technical data of new HPI product under development 2. K/ONG3 -9INV, 11INV R407C Last update: 02/11/2002 Contens Contens...
  • Page 7 HPI Inverter Series Specifications & Operating Range 3.PXD/ONG3 9INV,11INV R407C Last update: 02/11/2002...
  • Page 8 HPI Inverter Series Specifications & Operating Range 4. PXD18/K18/WMN18-GC18RC INV R407C Last update: 02/11/2002...
  • Page 9 HPI Inverter Series Specifications & Operating Range Last update: 02/11/2002...
  • Page 10 HPI Inverter Series Specifications & Operating Range OPERATING RANGE NOTES: 1. Rating conditions ISO DIS 5151 Cooling: Indoor: 27 C (80 F) DB 19.5 C (67 F) WB Outdoor: 35 C (95 F) DB Heating: Indoor : 20 C (70 F) DB Outdoor: 7 C (45 F) DB 6 C (43 F) WB 2.

  • Page 11: Performance Curves

    HPI Inverter Series Performance Curves WNG-9 INV R-22 Cooling Performance 3500 3400 3300 3200 3100 3000 Indoor WB 19 2900 2800 Indooe WB 21 2700 2600 Indoor WB 23 2500 2400 2300 2200 2100 2000 Outdoor DB Temperature 1500 1400 1300 1200 Indoor WB 19...
  • Page 12 HPI Inverter Series Performance Curves WNG-9 INV R-22 Heating Performance 4500 4250 4000 3750 3500 Indoor DB 15 3250 Indoor DB 20 3000 2750 Indoor DB 25 2500 2250 2000 1750 1500 Outdoor WB Temperature 1500 1400 1300 1200 Indoor DB 15 1100 1000 Indoor DB 20...
  • Page 13 HPI Inverter Series Performance Curves WNG-11 INV R-22 Cooling Performance 4500 4400 4300 4200 4100 4000 Indoor WB 19 3900 3800 Indooe WB 21 3700 3600 Indoor WB 23 3500 3400 3300 3200 3100 3000 Outdoor DB Temperature 1700 1600 1500 1400 Indoor WB 19...
  • Page 14 HPI Inverter Serie Performance Curves WNG-11 INV R-22 Heating Performance 5000 4750 4500 4250 4000 Indoor DB 15 3750 3500 Indoor DB 20 3250 Indoor DB 25 3000 2750 2500 2250 2000 Outdoor WB Temperature 2000 1900 1800 1700 Indoor DB 15 1600 1500 Indoor DB 20...

  • Page 15: Outline Dimensions

    HPI Inverter Series Outline Dimensions Outline dimensions CEELING MOUNTING TEMPLATE TO BE USED FOR LOCATION WNG-9,11 Indoor Unit OF INDOOR UNIT ON THE WALL INDOOR UNIT OUTLINE 810.0 MOUTING PLATE OUTLINE 30.0 167.5 167.5 ø70.0 93.0 93.0 TUBING WALL OPENING ø70.0 (FOR REAR ROUTING) TUBING WALL OPENING...

  • Page 16: Refrigeration Diagrams

    HPI Inverter Series Refrigeration Diagrams SYSTEM DIAGRAM WNG-9INVBLJ/GC-9INV WNG-11INVBLJ/GC-11INV OUTDOOR UNIT INDOOR UNIT SENSOR REVERSE VALVE SENSOR SENSOR VALVE SENSOR VALVE SENSOR INDOOR COIL FILTER CAPILLARY FILTER OUTDOOR COIL CAPILLARY COOLING MODEL OUTDOOR UNIT INDOOR UNIT SENSOR SENSOR REVERSE VALVE SENSOR VALVE SENSOR...
  • Page 17 HPI Inverter Series Refrigeration Diagrams SYSTEM DIAGRAM WNG-9,11INVBLJ/ONG3-9,11INV R407C OUTDOOR UNIT INDOOR UNIT REVERSE VALVE SENSOR SENSOR VALVE Flared connection VALVE INDOOR COIL SENSOR CAPILLARY FILTER FILTER OUTDOOR COIL CAPILLARY COOLING MODEL OUTDOOR UNIT INDOOR UNIT REVERSE VALVE SENSOR SENSOR VALVE Flared connection...

  • Page 18: Wiring Diagrams

    HPI Inverter Series Wiring Diagrams INDOOR UNIT CIRCUIT DIAGRAM WNG-9,11 R-22 Emergency PCB Indoor Step motor motor Display capacitor 1UF 400V PH-16 N1 N3 ENCODER HPI IDU PCB COMM “LINE OUT” “LINE IN” To metal casing (COMM) Brown Outdoor Unit Blue Blue Power supply...
  • Page 19 HPI Inverter Series Wiring Diagrams OUTDOOR UNIT CIRCUIT DIAGRAM GC-9,11INV R-22 outdoor Reverse motor valve COMP Choke Heatsink coil AC CAP 3UF/450V 1 2 3 P13 P14 HPI ODU PCB N_COMM COMM EARTH COMM Indoor Unit COMM Blue Brown HPI POWER FILTER PCB Last update: 02/11/2002...

  • Page 20: System Operation Concept

    HPI Inverter Series Control Function 1 General Functions and Operating Rules The HPI SW is parametric. All parameters are shown in Blue color and with Italic style [parameter]. The parameters values are given in the last section of this control logic chapter of the service manual.

  • Page 21: Indoor Fan Control

    HPI Inverter Series Control Function 1.2.3 Compressor Starting Control Frequency Step 3 Step 2 Step 1 Minute Time Minute Min 10 Minutes 1.2.4 Minimum On and Off Time 3 minutes. 1.3 Indoor Fan Control 10 Indoor fan speeds are determined for each model. 5 speeds for cool/dry/fan modes and 5 speeds for heat mode.

  • Page 22: Fan Mode

    HPI Inverter Series Control Function 1.5 Reversing Valve (RV) Control Reversing valve is on in heat mode. Switching of RV state is done only after compressor is off for over 3 minutes. 1.6 Outdoor Unit Power Supply Relay Control Outdoor unit power control relay is turned to on when unit is turned on by user, and is turned to off 3 minutes after unit is turned to off by user.

  • Page 23: Auto Cool/Heat Mode

    HPI Inverter Series Control Function 4.2 Hot Keep Function When starting the unit in heat mode, indoor fan remains off until indoor coil temperature is over 35 degrees. When compressor is stopped, indoor fan speed is reduced to very low speed. 5 Auto Cool/Heat Mode When in auto cool heat mode unit will automatically select between cool and heat mode according to the difference between actual room temperature and user set point...
  • Page 24 HPI Inverter Series Control Function 7.2 Indoor Coil over Heating Protection Stop-Compresor ICTOH4 HzDown2 ICTOH3 HzDown1 ICTOH2 Stop-Rise ICTOH1 Normal 7.3 Compressor over Heating Protection Compressor temperature can be in one of 5 control zones (4 in protection, and 1 normal), according to the following chart.
  • Page 25 HPI Inverter Series Control Function 7.4 Compressor over Current Protection Stop-Compresor CCROC4 HzDown2 CCROC3 HzDown1 CCROC2 Stop-Rise CCROC1 Normal 7.5 Outdoor Coil Deicing Protection 7.5.1 Deicing Starting Conditions Deicing operation will start when either one of the following conditions exist: Condition 1 (Dynamic Deicing): Unit identify temperature drop of 3 degrees compare to steady state values taken 10 minutes after last compressor frequency increasing.
  • Page 26 HPI Inverter Series Control Function 7.5.2 Deicing Protection Procedure Threshold COMP max. 12 minutes HEAT COOL OFAN T1 = 36 seconds, T2 = 36 seconds, T3 = 6 seconds 8 Clock Clock Switch Open Clock Switch close The Clock is activate according to the following table: A/C STATE CLOCK STATE CLOCK ACTION...
  • Page 27 HPI Inverter Series Control Function 9 On Unit Controls and Indicators 9.1 Indoor Unit Controller Controls and Indicators STAND BY Lights up when the Air Conditioner is connected to power and ready to receive the R/C commands INDICATOR OPERATION Lights up during operation. INDICATOR Blinks for 300 msec., to announce that a R/C infrared signal has been received and stored.

  • Page 28: Jumper Settings

    HPI Inverter Series Control Function 10 Jumper Settings 10.1 Indoor Unit Controller 0 = Open Jumper (disconnect jumper). 1 = Close Jumper (connect jumper). Self test Jumper – J1 OPERATION SELF-TEST NORMAL Jumper Settings Model WNG-9 INV (R-22) WNG-11 INV (R-22) WNG-9 INV WNG-11 INV WMN-18 INV...
  • Page 29 HPI Inverter Series Control Function 11 Self Test 11.1 Indoor Unit Controller Self Test To initiate self test, the following steps should be taken: 1. Disconnect All AC power to IDU. 2. Insert Test Jumper on Jumper 9. 3. Apply AC power to IDU. Self test is done in steps.
  • Page 30 HPI Inverter Series Control Function Built In Test Stepping Sequence is as following: STEP 0: LEDS TEST Check all LEDS by observing blinking operation of all LEDS. Press Mode button once to proceed to step 1. STEP 1: RESET BUTTON TEST AND BUZZER TEST Press RESET button once.
  • Page 31 HPI Inverter Series Control Function Press Mode button once to proceed to step 8. STEP 8: RAT SHORT/DISCONNECT TESTS COOL LED is turned on if RAT is passed, otherwise HEAT LED is turned on to indicate that RAT is short or disconnect. Press Mode button once to proceed to step 9.
  • Page 32 HPI Inverter Series Control Function STEP 15: WATCHDOG TEST All LEDS blink and IDU will RESET into normal operating mode. STEP 16: REMOTE CONTROL TEST Press Remote control ON button to turn on Air-conditioner. Unit will start to operate at the desired mode of operation. Note: Built in test can be aborted any moment if jumper 9 is removed.
  • Page 33 HPI Inverter Series Control Function 6. Insert Test Jumper on JP2 (PIN5 and PIN6). 7. Apply AC power to ODU. Built In Test Stepping Sequence is as following: STEP 0: SIX-COMPRESSOR CONTROL, RV, CCH, OFAN, and EEV TEST. All LEDS blinks. Six compressor control (/UP, /UN, /VP, /VN, /WP, /WN, CCH, RV), RV and CCH are turn on and off sequentially one by one.

  • Page 34: Entering Diagnostics Mode

    HPI Inverter Series Control Function STEP 4: JP3, TSUCT SHORT/DISCONNECT and COMPRESSOR TURN-OFF. FAULT LED is turned on STEADY if TSUCT is “PASS”. Otherwise blinks to indicate shorted or disconnected TSUCT sensor (“TSUCT FAIL”). Verify outdoor FAN operation at Maximum speed. Verify Compressor Operation at 0Hz (Motor Stop).
  • Page 35 HPI Inverter Series Control Function The coding method will be as follow: Heat led will blink 5 times in 5 seconds, and then will be shut off for the next 5 seconds. Cool led will blink during the same 5 seconds according to the following table: Problem RT-1 is disconnected RT-1 is shorted...

  • Page 36: Demo Mode

    HPI Inverter Series Control Function When system enters diagnostics mode (through IDU communication), the last fault code will be displayed even if the system has recover from that fault. The last fault will be deleted from the EEPROM after the system has exit diagnostics mode (through IDU communication).
  • Page 37 HPI Inverter Series Control Function 12.5 Going out of Diagnostics Any remote control command received during diagnostics will cause unit to exit diagnostic mode. SW Parameters Indoor Units SW Parameters R-22 R407c Nominal Frequencies Cooling Heating Fan speeds [RPM] Cool VL Cool L Cool M Cool H...
  • Page 38 HPI Inverter Series Control Function Outdoor Units SW Parameters R-22 R407c GC-9 GC-11 ONG3-9 ONG3-11 GC-18 Minimum Frequency Maximum Frequency Step 1 Step 2 Step 3 Outdoor Fan Speeds Cooling Low Cooling Medium Cooling Max Heating Low Heating Medium Heating Max Protection Limits Value CTTOH1 CTTOH2...

  • Page 39: Troubleshooting

    HPI Inverter Series Troubleshooting A/C Failures SYMPTOM PROBABLE CAUSE CORRECTIVE ACTION Power supply indicator (Red No power supply Check power supply, if power supply LED) does not light up. is OK, check display and display wiring, if OK, replace PCB. Unit does not respond to Remote control message not Check remote control batteries, if...
  • Page 40 HPI Inverter Series Troubleshooting Indoor Electronics Trouble Shooting Check Thermistors connections or Thermistors failures of all replace Thermistors types Indoor and outdoor controllers Replace indoor controller Communication mismatch are with different versions Communication or grounding Check indoor to outdoor wiring and No Communication wiring is not good.
  • Page 41 4519900 Ionizer Cable A 433134 Ionizer Power 4519365 Step Motor Wire B 4518679 Step Motor 4520061 Power Wire (Elco) Power Wire (Electra) Power Wire (Airwell) Power Wire (Fagor) 4518868 Transformer 4520346 Control box Assy(WNG-9,11INV) 4518663 Electrostatic Filter (Optional) 4519338 Filter Frame (Optional)
  • Page 42 HPI Inverter Series Spare Parts List & Explodeed Last update: 02/11/2002...
  • Page 43 HPI Inverter Series Spare Parts List & Explodeed Components list of GC-9INV from explode drawing. Part No. Description Unit 4516158 Cover panel Painting assy 372332 Fan cover 436358 L. lifter 4520249 front panel paint assy 4516907 PAINTING BASE ASSY. 4517374 SIDE PANEL ASSY.WITH PAINTING 4516857 BIG SIDE COVER 4519188 4 poles terminal block 4520347 HPI Control Box Eng.version (EHK P/N:906-093-01)
  • Page 44 HPI Inverter Series Spare Parts List & Explodeed Last update: 02/11/2002...
  • Page 45 HPI Inverter Series Spare Parts List & Explodeed Components list of GC-11INV from explode drawing. Description Unit Part No. 4516158 COVER PANEL PAINTING ASSY. 372332 FAN COVER 436358 L. LIFTER 4520249 FRONT PANEL PAINT ASSY. 4516907 PAINTING BASE ASSY. 4517374 SIDE PANEL ASSY.WITH PAINTING 4516857 BIG SIDE COVER 4519188 4 POLES TERMINAL BLOCK 4520347 HPI Control Box (EHK P/N:906-093-01)
  • Page 46 HPI Inverter Series Spare Parts List & Explodeed Last update: 02/11/2002...
  • Page 47 HPI Inverter Series Spare Parts List & Explodeed Last update: 02/11/2002...
  • Page 48 HPI Inverter Series Spare Parts List & Explodeed Last update: 02/11/2002 Contens Contens...
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This manual is also suitable for:

Wng-11inv/gc-11invWng/ong3-9invWng/ong3-11invK/ong3-9invK/ong3-11invPxd/ong3-9inv ... Show all

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