Airwell GC 12 DCI Service Manual

SX DCI SeriesIndoor Units Outdoor UnitsSX 9 DCI GC 9 DCISX 12 DCI GC 12 DCISX 18 DCI GC 18 DCISX 24 DCI GC 24 DCISX 30 DCI GC 30 DCIAUGUST – 2008REFRI

2-4PRODUCT DATA SHEETSM SX DCI 1-A.3 GB2.4 SX 24 DCI R410AModel Indoor Unit SX 24 DCIModel Outdoor Unit GC 24 DCIInstallation Method of Pipe FlaredCh

2-5PRODUCT DATA SHEETSM SX DCI 1-A.3 GB2.5 SX 30 DCI R410AModel Indoor Unit SX 30 DCIModel Outdoor Unit GC 30 DCIInstallation Method of Pipe FlaredCh

3-1RATING CONDITIONS SM SX DCI 1-A.3 GB3. RATING CONDITIONSStandard conditions in accordance with ISO 5151, ISO 13253

4-1OUTLINE DIMENSIONSSM SX DCI 1-A.3 GB4. OUTLINE DIMENSIONS4.1 Indoor Unit: SX 9, 12 DCI4.2 Indoor Unit: SX 18, 24, 30 DCICONTENT

4-2OUTLINE DIMENSIONS SM SX DCI 1-A.3 GB4.3 Outdoor Unit: GC 9, 12, 18 DCI4.4 Outdoor Unit: GC 24, 30 DCICONTENT

5-1PERFORMANCE DATA & PRESSURE CURVESSM SX DCI 1-A.3 GB5. PERFORMANCE DATA5,1 SX 9 DCI5.1.1 Cooling Capacity (kW) – Run Mode 230[V] : Indoor Fa

5-2PERFORMANCE DATA & PRESSURE CURVES SM SX DCI 1-A.3 GB5.1.3 Heating Capacity (kW) - Run Mode 230[V] : Indoor Fan at High Speed. ID COIL ENTE

5-3PERFORMANCE DATA & PRESSURE CURVESSM SX DCI 1-A.3 GB5.1.5 Model: SX 9 DCI Cooling – Test Mode Suction Pressure Vs.Outdoor Temp.50060070080090

5-4PERFORMANCE DATA & PRESSURE CURVES SM SX DCI 1-A.3 GB5.1.6 Heating – Test ModeSuction Pressure Vs.Outdoor Temp.2003004005006007008009001000110

5-5PERFORMANCE DATA & PRESSURE CURVESSM SX DCI 1-A.3 GB5.2 SX 12 DCI5.2.1 Cooling Capacity (kW) - Run Mode 230[V] : Indoor Fan at High Speed.

ALIST OF EFFECTIVE PAGESSM SX DCI 1-A.3 GBLIST OF EFFECTIVE PAGESNote: Changes in the pages are indicated by a “Revision#” in the footer of each effe

5-6PERFORMANCE DATA & PRESSURE CURVES SM SX DCI 1-A.3 GB5.2.3 Heating Capacity (kW) - Run Mode 230[V] : Indoor Fan at High Speed. ID COIL ENTE

5-7PERFORMANCE DATA & PRESSURE CURVESSM SX DCI 1-A.3 GB5.2.5 Model: SX 12 DCI Cooling – Test Mode Suction Pressure VS.Outdoor Temp.5006007008009

5-8PERFORMANCE DATA & PRESSURE CURVES SM SX DCI 1-A.3 GB5.2.6 Heating – Test ModeSuction Pressure VS.Outdoor Temp.2003004005006007008009001000110

5-9PERFORMANCE DATA & PRESSURE CURVESSM SX DCI 1-A.3 GB5.3 Capacity Correction Factor Due to Tubing Length5.3.1 SX 9, 12 DCI :Cooling5.3.2 Heati

5-10PERFORMANCE DATA & PRESSURE CURVES SM SX DCI 1-A.3 GB5.4 SX18 DCI5.4.1 Cooling Capacity (kW) - Run Mode 230[V] : Indoor Fan at High Speed.

5-11PERFORMANCE DATA & PRESSURE CURVESSM SX DCI 1-A.3 GB5.4.3 Heating Capacity (kW) - Run Mode 230[V] : Indoor Fan at High Speed.ID COIL ENTERIN

5-12PERFORMANCE DATA & PRESSURE CURVES SM SX DCI 1-A.3 GB5.4.5 Model: SX 18 DCI Cooling – Test Mode Suction Pressure VS.Outdoor Temp.50060070080

5-13PERFORMANCE DATA & PRESSURE CURVESSM SX DCI 1-A.3 GB5.4.6 Heating – Test ModeSuction Pressure VS.Outdoor Temp.2003004005006007008009001000110

5-14PERFORMANCE DATA & PRESSURE CURVES SM SX DCI 1-A.3 GB5.5 Capacity Correction Factor Due to Tubing Length5.5.1 SX 18 DCI :Cooling5.5.2 Heating

5-15PERFORMANCE DATA & PRESSURE CURVESSM SX DCI 1-A.3 GB5.6 SX 24 DCI5.6.1 Cooling Capacity (kW) - Run Mode 230[V] : Indoor Fan at High Speed.

iTABLE OF CONTENTSSM SX DCI 1-A.3 GBTable of Contents1. INTRODUCTION ...

5-16PERFORMANCE DATA & PRESSURE CURVES SM SX DCI 1-A.3 GB5.6.3 Heating Capacity (kW) - Run Mode 230[V] : Indoor Fan at High Speed.ID COIL ENTERI

5-17PERFORMANCE DATA & PRESSURE CURVESSM SX DCI 1-A.3 GB5.6.5 Model: SX 24 DCI Cooling – Test Mode Discharge Pressure Vs. Temp.15001700190021002

5-18PERFORMANCE DATA & PRESSURE CURVES SM SX DCI 1-A.3 GB5.6.6 Heating – Test ModeSuction Pressure Vs. Outdoor Temp.2503504505506507508509501050-

5-19PERFORMANCE DATA & PRESSURE CURVESSM SX DCI 1-A.3 GB5.7 Capacity Correction Factor Due to Tubing Length5.7.1 SX 24 DCI :Cooling5.7.2 HeatingH

5-20PERFORMANCE DATA & PRESSURE CURVES SM SX DCI 1-A.3 GB5.8 SX 30 DCI5.8.1 Cooling Capacity (kW) - Run Mode 230[V] : Indoor Fan at High Speed.

5-21PERFORMANCE DATA & PRESSURE CURVESSM SX DCI 1-A.3 GB5.8.3 Heating Capacity (kW) - Run Mode 230[V] : Indoor Fan at High Speed.ID COIL ENTERIN

5-22PERFORMANCE DATA & PRESSURE CURVES SM SX DCI 1-A.3 GB5.8.5 Model: SX 30 DCI Cooling – Test Mode Discharge Pressure Vs.Outdoor Temp.150017001

5-23PERFORMANCE DATA & PRESSURE CURVESSM SX DCI 1-A.3 GB5.8.6 Heating – Test ModeDischarge Pressure Vs.Outdoor Temp.16001850210023502600285031003

5-24PERFORMANCE DATA & PRESSURE CURVES SM SX DCI 1-A.3 GB5.9 Capacity Correction Factor Due to Tubing Length5.9.1 SX 80 DCI :Cooling5.9.2 Heating

6-1SOUND LEVEL CHARACTERISTICSSM SX DCI 1-A.3 GB6. SOUND LEVEL CHARACTERISTICS6.1 Sound Pressure LevelFigure 16.2 Soud Pressure Level Spectrum (Measu

1-1INTRODUCTIONSM SX DCI 1-A.3 GB1. INTRODUCTION1.1 GeneralThe SX split ceiling mounted range comprise RC (heat pump) models, as follows: ● Heat Pum

6-2SOUND LEVEL CHARACTERISTICS SM SX DCI 1-A.3 GBSX 18 SX 24SX 30FAN SPEED LINEHIMELOCONTENT

6-3SOUND LEVEL CHARACTERISTICSSM SX DCI 1-A.3 GB6.3 Outdoor units6.4 Sound Pressure Level Spectrum (Measured as Figure 2)GC 9 DCI Cooling GC 9 DCI Hea

6-4SOUND LEVEL CHARACTERISTICS SM SX DCI 1-A.3 GBGC 18 DCI Cooling GC 18 DCI HeatingGC 24 DCI Cooling GC 24 DCI HeatingFAN SPEED LINEHIMELOCONT

6-5SOUND LEVEL CHARACTERISTICSSM SX DCI 1-A.3 GBGC 30 DCI Cooling GC 30 DCI HeatingFAN SPEED LINEHIMELOCONTENT

7-1ELECTRICAL DATASM SX DCI 1-A.3 GB7. ELECTRICAL DATA7.1 Single Phase UnitsMODEL SX 9 DCI SX 12 DCI SX 18 DCI SX 24 DCI SX 30 DCI Power SupplyTo

8-1WIRING DIAGRAMSSM SX DCI 1-A.3 GB8. WIRING DIAGRAMS8.1 SX 9, 12, 18 DCI / GC 9, 12, 18 DCI214P21P21V dcV ccEARTHRed61POrangeBlack71PTCO91P2TAO65F

8-2WIRING DIAGRAMS SM SX DCI 1-A.3 GB8.2 Indoor Unit: SX 24, 30 DCICONTENT

8-3WIRING DIAGRAMSSM SX DCI 1-A.3 GB8.3 Outdoor Unit: GC 24, 30 DCICONTENT

9-1REFRIGERATION DIAGRAMSSM SX DCI 1-A.3 GB9. REFRIGERATION DIAGRAMS9.1 SX 9, 12, 18, 24, 30 DCI Cooling Mode Heating ModeVEEEEVCONTENT

10-1TUBING CONNECTIONSSM SX DCI 1-A.3 GB10. TUBING CONNECTIONS TUBE (Inch)TORQUE (Nm)¼” ⅜” ½” ⅝” ¾”Flare Nuts 11-13 40-45 60-65 70-75 80-85Valve

1-2INTRODUCTIONSM SX DCI 1-A.3 GB1.5 Control The microprocessor indoor controller, and an infrared remote control, supplied as standard, providing com

11-1TROUBLESHOOTINGSM SX DCI 1-A.3 GB11. TROUBLESHOOTINGWARNING!!!When Power Up – the whole outdoor unit controller, including the wiring, is under HI

11-2TROUBLESHOOTING SM SX DCI 1-A.3 GBNo SYMPTOMPROBABLE CAUSECORRECTIVE ACTION8Compressor is on but outdoor fan does not workProblem with outd

11-3TROUBLESHOOTINGSM SX DCI 1-A.3 GBWhen system enters diagnostics mode, only one fault code is shown. Order of priority is from the lower to the hig

11-4TROUBLESHOOTING SM SX DCI 1-A.3 GBNo Problem AO5432128 Model A No 1 1 1 0 029 Model B No 1 1 1 0 130 Model C No 1 1 1 1 031 Model D No 1 1

11-5TROUBLESHOOTINGSM SX DCI 1-A.3 GBNo Problem AO 5 4 3 2 110 OMT is shorted (DCI72 / 72Z / 80) Yes 0 1 0 1 011 IPM Fault Yes 0 1 0 1 112 Bad EEPROM

11-6TROUBLESHOOTING SM SX DCI 1-A.3 GBNo. Fault Probable Cause Corrective Action8 Compressor LockSwitch unit to STBY and restartIf still not ok

11-7TROUBLESHOOTINGSM SX DCI 1-A.3 GB11.5.4 Checking the Compressor.The compressor is brushless permanence magnetic DC motor. Three coil resistance i

12-1CONTROL SYSTEMSM SX DCI 1-A.3 GB12. CONTROL SYSTEM12.1 General Functions and Operating RulesThe DCI software is fully parametric.All the model de

12-2CONTROL SYSTEMSM SX DCI 1-A.3 GBTarget frequency limits as a function of outdoor air temperature (OAT):OAT Range Cooling Mode limits Heating Mode

12-3CONTROL SYSTEMSM SX DCI 1-A.3 GB12.1.5.2 Compressor starting control for DCI72/80 Step 1Whenever the compressor starts up, after it has been off

1-3INTRODUCTIONSM SX DCI 1-A.3 GB1.10 Matching Table1.10.1 R410AOUTDOOR UNITSINDOOR UNITSMODEL REFRIGER. SX 9 SX 12 SX 18 SX 24 SX 30GC 9-12-18 R410A√

12-4CONTROL SYSTEMSM SX DCI 1-A.3 GBCompressor Target FrequencyOFAN SpeedRoutinARoutinBRoutinCRoutinDFreq=0 OFF OFF OFF OFF10 ≤ Freq < OFLowFreq Lo

12-5CONTROL SYSTEMSM SX DCI 1-A.3 GB12.1.9.2 EEV Control for DCI72/72Z/80The target EEV value is the sum of open loop value (OL) and a result of the a

12-6CONTROL SYSTEMSM SX DCI 1-A.3 GB12.3 Cool ModeNLOAD is calculated according to the difference between actual room temperature and user setpoint te

12-7CONTROL SYSTEMSM SX DCI 1-A.3 GB12.6 Dry ModeAs long as room temperature is higher then the set point, indoor fan will work in low speed and compr

12-8CONTROL SYSTEMSM SX DCI 1-A.3 GB12.7.2.2 Indoor Coil Overheating Protection For 72/80ICTICT Trend<-2 -2 -1,0,1 2 >2ICT >62 SC SC SC SC SC

12-9CONTROL SYSTEMSM SX DCI 1-A.3 GB12.7.3.2 Compressor Overheating Protection for DCI72/80CTTCTT TrendFast DecreasingDecreasingNo ChangeIncreasingFas

12-10CONTROL SYSTEMSM SX DCI 1-A.3 GB12.7.5.2 Heat Sink Overheating Protection For DCI72/80HSTDelta HST<-2 -2 -1,0,1 2 >2HST≥ 81 SC SC SC SC SC7

12-11CONTROL SYSTEMSM SX DCI 1-A.3 GB► Deicing Operation ProcedureCOMPRVOFANEEVONHEATCOOLONOFFEEVDeicerOpenAnyT1 T2T3 T3T1120ThresholdDTmax. 12 minut

12-12CONTROL SYSTEMSM SX DCI 1-A.3 GB► Deicing Operation ProcedureCOMPRVOFANEEVONHEATCOOLONOFF EEVDeicerOpenAnyT1 T2T3 T3T1120Thresholdmax. 1

12-13CONTROL SYSTEMSM SX DCI 1-A.3 GBANY0ONNLOADPUMPOFFONOPERLEDOFFOverflowWater LevelNormalBLINKNLOAD isforced to 08 min 8 minOverflow whenunit is ON

2-1PRODUCT DATA SHEETSM SX DCI 1-A.3 GB2. PRODUCT DATA SHEET2.1 SX 9 DCI R410AModel Indoor Unit SX 9 DCI Model Outdoor Unit GC 9 DCIInstallation Met

12-14CONTROL SYSTEMSM SX DCI 1-A.3 GB12.10 On Unit Controls and Indicators12.10.1 Indoor Unit controller Controls and Indicatiors for All Models Exc

12-15CONTROL SYSTEMSM SX DCI 1-A.3 GB12.11 Test Mode12.11.1 Entering Test ModeSystem can enter Test mode in two ways:Automatically when the following

12-16CONTROL SYSTEMSM SX DCI 1-A.3 GBModel dependent parameters - DNGUnitA(DNG50)B(DNG60)C(DNG72)D(DNG80)Cap .Group 3344NomLoadC 62 77 57 60NomLoadH

12-17CONTROL SYSTEMSM SX DCI 1-A.3 GBModel dependent parameters - SXUnitA(SX 18)B(SX 24)C(SX 30)Cap .Group 344NomLoadC 6860 63NomLoadH 7760 67MaxNLOA

12-18CONTROL SYSTEMSM SX DCI 1-A.3 GB12.12.2 Outdoor Units SW Parameters:Model dependent parameters for DCI50/60# Name Single DCI-50 Single DCI 60 1

12-19CONTROL SYSTEMSM SX DCI 1-A.3 GBModel dependent parameters for DCI72ZNo. NameSingleDCI-72Z1 MinFreqC 152 MaxFreqC 703 MinFreqH 154 MaxFreqH 907 S

12-20CONTROL SYSTEMSM SX DCI 1-A.3 GBModel dependent parameters for DCI72/80Compressor Parameters ValueMinOFFTime 3MinOnTime 3MaxCTT1 90MaxCTT2 90Mi

13-1EXPLODED VIEWS AND SPARE PARTS LISTSSM SX DCI 1-A.3 GB13. EXPLODED VIEWS AND SPARE PARTS LISTS13.1 Indoor Unit: SX 9, 12 DCICONTENT

13-2EXPLODED VIEWS AND SPARE PARTS LISTSSM SX DCI 1-A.3 GB13.2 Indoor Unit: SX 9, 12 DCINo Part No Description Qty1 307979 Back panel 12 382334 Base

13-3EXPLODED VIEWS AND SPARE PARTS LISTSSM SX DCI 1-A.3 GB13.3 Indoor Unit: SX 18, 24, 30 DCICONTENT

2-2PRODUCT DATA SHEETSM SX DCI 1-A.3 GB2.2 SX 12 DCI R410AModel Indoor Unit SX 12 DCI Model Outdoor Unit GC 12 DCI Installation Method of Pipe Flared

13-4EXPLODED VIEWS AND SPARE PARTS LISTSSM SX DCI 1-A.3 GB13.4 Indoor Unit: SX 18 DCINo Part No Description Qty1 307980 Back panel 12 382333 Base pan

13-5EXPLODED VIEWS AND SPARE PARTS LISTSSM SX DCI 1-A.3 GB13.5 Indoor Unit: SX 24, 30 DCINo. Part No. Description Qty1 484002 Grille 12 221554 Air Fi

13-6EXPLODED VIEWS AND SPARE PARTS LISTSSM SX DCI 1-A.3 GB13.6 Outdoor Unit: GC 9, 12 DCI262539424140383637351 2 34 85 67 921202322243433302728293132

13-7EXPLODED VIEWS AND SPARE PARTS LISTSSM SX DCI 1-A.3 GB13.7 Outdoor Unit: GC 9, 12 DCINo. Part No. Description Unit1 433218 Front panel A 12 45263

13-8EXPLODED VIEWS AND SPARE PARTS LISTSSM SX DCI 1-A.3 GB13.8 Outdoor Unit: GC 18 DCICONTENT

13-9EXPLODED VIEWS AND SPARE PARTS LISTSSM SX DCI 1-A.3 GB13.9 Outdoor Unit: GC 18 DCINo. Part No. Description Unit1 433218 Front panel A 12 4526340

13-10EXPLODED VIEWS AND SPARE PARTS LISTSSM SX DCI 1-A.3 GB13.10 Outdoor Unit: GC 24, 30 DCICONTENT

13-11EXPLODED VIEWS AND SPARE PARTS LISTSSM SX DCI 1-A.3 GB13.11 Outdoor Unit: GC 24, 30 DCINo. Part No. Description Unit1 465100000 Outlet grid 12 4

14-1APPENDIX ASM SX DCI 1-A.3 GBAPPENDIX AINSTALLATION AND OPERATION MANUAL► INSTALLATION MANUAL SX 9, 12, 18, 24, 30 DCI► OPERATION MANUAL SX 9,

2-3PRODUCT DATA SHEETSM SX DCI 1-A.3 GB2.3 SX 18 DCI R410AModel Indoor Unit SX 18 DCI Model Outdoor Unit GC 18 DCI Installation Method of Pipe Flared