Electra DNG 125 Manual de Serviço

DNG DC Inverter SeriesSEPTEMBER – 2008Indoor Units Outdoor UnitsDNG 50 DCI DCI 50DNG 60 DCI DCI 60DNG 72 DCI DCI 72DNG 80 DCI DCI 80DNG 100 DCI OU12

2-3PRODUCT DATA SHEETSM DNGDCI 2-E.1 GB2.3 DNG72 DCI Model Indoor Unit DNG 72 DCIModel Outdoor Unit DCI 72 R410AInstallation Method of Pipe FlaredChar

13-15TROUBLESHOOTINGSM DNGDCI 2-E.1 GB13.2.4.1 Indoor unit diagnostics and corrective actionsNo.Fault Probable Cause Corrective Action1-4 Sensor fail

13-16TROUBLESHOOTING SM DNGDCI 2-E.1 GB 13.2.5.4 Checking the Outdoor Fan MotorCheck FAN-Power and FAN-Halls connections - Repair if needed.Rotate th

13-17TROUBLESHOOTINGSM DNGDCI 2-E.1 GB13.2.5.10 Checking for electromagnetic interferance (EMC problems)EMC troubles to the A/C unitLocations most su

13-18TROUBLESHOOTING SM DNGDCI 2-E.1 GB 13.2.6.3 Advise: Open the Outdoor unit controller cover only after one minute from power off. Measure the el

14-1EXPLODED VIEWS AND SPARE PARTS LISTSSM DNGDCI 2-E.1 GB14. EXPLODED VIEWS AND SPARE PARTS LISTS14.1 Indoor Unit: DNG 50/60/72/80/100/125CONTENT

14-2EXPLODED VIEWS AND SPARE PARTS LISTSSM DNGDCI 2-E.1 GB14.2 Indoor Unit: DNG 50/60 DCI14.3 Indoor Unit: DNG 72 DCINo. Part No. Description Qty1

14-3EXPLODED VIEWS AND SPARE PARTS LISTSSM DNGDCI 2-E.1 GB14.4 Indoor Unit: DNG 80 DCINo. Part No. Description Qty1 473419 IU COIL GR/HDR 1 2 473

14-4EXPLODED VIEWS AND SPARE PARTS LISTSSM DNGDCI 2-E.1 GB14.9 Outdoor Unit: DCI 50CONTENT

14-5EXPLODED VIEWS AND SPARE PARTS LISTSSM DNGDCI 2-E.1 GB14.10 Outdoor Unit: DCI 50No. Part No. Description Unit1 433218 Front panel A 12 4526340

14-6EXPLODED VIEWS AND SPARE PARTS LISTSSM DNGDCI 2-E.1 GB14.5 Outdoor Unit: DCI 60CONTENT

2-4PRODUCT DATA SHEETSM DNGDCI 2-E.1 GB2.4 DNG80 DCI Model Indoor Unit DNG 80 DCIModel Outdoor Unit DCI 80 R410AInstallation Method of Pipe FlaredChar

14-7EXPLODED VIEWS AND SPARE PARTS LISTSSM DNGDCI 2-E.1 GB14.6 Outdoor Unit: DCI 6012 3DUW12 '(6&5,7,21 XQLW1 4517144 FAN COVER PP+

14-8EXPLODED VIEWS AND SPARE PARTS LISTSSM DNGDCI 2-E.1 GB14.7 Outdoor Unit: DCI 72/80CONTENT

14-9EXPLODED VIEWS AND SPARE PARTS LISTSSM DNGDCI 2-E.1 GB14.8 Outdoor Unit: DCI 72/80No. Part No. Description Unit 1 465100000 Outlet grid 1 2 4

14-10EXPLODED VIEWS AND SPARE PARTS LISTSSM DNGDCI 2-E.1 GB14.11 Outdoor Unit: OU12 4-5HP DCICONTENT

14-11EXPLODED VIEWS AND SPARE PARTS LISTSSM DNGDCI 2-E.1 GB14.12 Outdoor Unit: OU12 4-5HP DCI147043694215221637CONTENT

14-12EXPLODED VIEWS AND SPARE PARTS LISTSSM DNGDCI 2-E.1 GB14.13 Outdoor Unit: OU12 4-5HP DCICONTENT

14-13EXPLODED VIEWS AND SPARE PARTS LISTSSM DNGDCI 2-E.1 GB14.14 Outdoor Unit: OU12 4HP DCISP No. Item Description Rev Qty1 437045 UPPER COVER EL13 O

14-14EXPLODED VIEWS AND SPARE PARTS LISTSSM DNGDCI 2-E.1 GB14.15 Outdoor Unit: OU12 5HP DCISP No. Item Description Rev Qty1 437045 UPPER COVER EL13 O

15-1APPENDIX ASM DNGDCI 2-E.1 GBAPPENDIX AINSTALLATION AND OPERATION MANUAL► INSTALLATION AND OPERATION MANUAL: DNG 50/60/72/80/100/125 DCICONTENT

2-5PRODUCT DATA SHEETSM DNGDCI 2-E.1 GB2.5 DNG100 DCIModel Indoor Unit DNG 100 DCIModel Outdoor Unit OU12 4HP DCIInstallation Method of Pipe FlaredCha

2-6PRODUCT DATA SHEETSM DNGDCI 2-E.1 GB2.6 DNG125 DCI Model Indoor Unit DNG 125 DCIModel Outdoor Unit OU12 5HP DCIInstallation Method of Pipe FlaredCh

3-1RATING CONDITIONS Revision Y06-01SM DNGDCI 2-E.1 GB3. RATING CONDITIONSStandard conditions in accordance with ISO 5

4-1OUTLINE DIMENSIONSSM DNGDCI 2-E.1 GB4. OUTLINE DIMENSIONS4.1 Indoor Unit: DNG 50, 60, 72, 80, 100, 125Model A B C D E F G H I J K LDNG50,60,72,807

4-2OUTLINE DIMENSIONSSM DNGDCI 2-E.1 GB4.2 Outdoor Unit: DCI 504.3 Outdoor Unit: DCI 60CONTENT

4-3OUTLINE DIMENSIONSSM DNGDCI 2-E.1 GB4.4 Outdoor Unit: DCI 72/804.5 Outdoor Unit: DCI 120/125 (OU12 DCI 4-5HP)CONTENT

5-1PERFORMANCE DATA & PRESSURE CURVESSM DNGDCI 2-E.1 GB5. PERFORMANCE DATA & PRESSURE CURVES5.1 DNG50 DCI 5.1.1 Cooling Capacity (kW)ID COIL

5-2PERFORMANCE DATA & PRESSURE CURVES SM DNGDCI 2-E.1 GB5.1.3 HeatingID COIL ENTERING AIR DB TEMPERATURE [C0]OD COIL ENTERING AIR DB/WB TEM

ALIST OF EFFECTIVE PAGESSM DNGDCI 2-E.1 GBLIST OF EFFECTIVE PAGESNote: Changes in the pages are indicated by a “Revision#” in the footer of each effe

5-3PERFORMANCE DATA & PRESSURE CURVESSM DNGDCI 2-E.1 GB5.1.5 Pressure Curves (Cooling – Test Mode) Discharge Pressure VS. Outdoor Temp'.10001

5-4PERFORMANCE DATA & PRESSURE CURVES SM DNGDCI 2-E.1 GB5.1.6 Pressure Curves (Heating – Test Mode)Suction Pressure VS.Outdoor Temp'.2

5-5PERFORMANCE DATA & PRESSURE CURVESSM DNGDCI 2-E.1 GB5.1.7 Capacity Correction Factor Due to Tubing Length Cooling Heating0.800.850.900.951.004

5-6PERFORMANCE DATA & PRESSURE CURVES SM DNGDCI 2-E.1 GB5.2 DNG60 DCI5.2.1 Cooling Capacity (kW)ID COIL ENTERING AIR DB/WB TEMPERATURE [C0

5-7PERFORMANCE DATA & PRESSURE CURVESSM DNGDCI 2-E.1 GB5.2.3 HeatingID COIL ENTERING AIR DB TEMPERATURE [C0]OD COIL ENTERING AIR DB/WB TEMPERATURE

5-8PERFORMANCE DATA & PRESSURE CURVES SM DNGDCI 2-E.1 GB5.2.5 Pressure Curves (Cooling – Test Mode)Discharge Pressure VS. Outdoor Temp&apos

5-9PERFORMANCE DATA & PRESSURE CURVESSM DNGDCI 2-E.1 GB5.2.6 Pressure Curves (Heating – Test Mode)Suction Pressure VS.Outdoor Temp'.200300400

5-10PERFORMANCE DATA & PRESSURE CURVES SM DNGDCI 2-E.1 GB5.2.7 Capacity Correction Factor Due to Tubing Length Cooling Heating0.800.850.90

5-11PERFORMANCE DATA & PRESSURE CURVESSM DNGDCI 2-E.1 GB5.3 DNG72 DCI5.3.1 Cooling Capacity (kW)ID COIL ENTERING AIR DB/WB TEMPERATURE [C0]OD COI

5-12PERFORMANCE DATA & PRESSURE CURVES SM DNGDCI 2-E.1 GB5.3.3 HeatingID COIL ENTERING AIR DB TEMPERATURE [C0]OD COIL ENTERING AIR DB/WB TE

iTABLE OF CONTENTSSM DNGDCI 2-E.1 GBTable of Contents1. INTRODUCTION ...

5-13PERFORMANCE DATA & PRESSURE CURVESSM DNGDCI 2-E.1 GB5.3.5 Pressure Curves (Cooling – Test Mode)Discharge Pressure VS. Outdoor Temp'.10001

5-14PERFORMANCE DATA & PRESSURE CURVES SM DNGDCI 2-E.1 GB5.3.6 Pressure Curves (Heating – Test Mode)Suction Pressure VS.Outdoor Temp'.

5-15PERFORMANCE DATA & PRESSURE CURVESSM DNGDCI 2-E.1 GB5.3.7 Capacity Correction Factor Due to Tubing Length Cooling Heating0.750.800.850.900.95

5-16PERFORMANCE DATA & PRESSURE CURVES SM DNGDCI 2-E.1 GB5.4 DNG 80 DCI5.4.1 Cooling Capacity (kW)ID COIL ENTERING AIR DB/WB TEMPERATURE [

5-17PERFORMANCE DATA & PRESSURE CURVESSM DNGDCI 2-E.1 GB5.4.3 HeatingID COIL ENTERING AIR DB TEMPERATURE [C0]OD COIL ENTERING AIR DB/WB TEMPERATUR

5-18PERFORMANCE DATA & PRESSURE CURVES SM DNGDCI 2-E.1 GBDischarge Pressure VS. Outdoor Temp'.1000125015001750200022502500275030003250

5-19PERFORMANCE DATA & PRESSURE CURVESSM DNGDCI 2-E.1 GBSuction Pressure VS.Outdoor Temp'.2003004005006007008009001000110012001300-15 -10 -5

5-20PERFORMANCE DATA & PRESSURE CURVES SM DNGDCI 2-E.1 GB5.4.7 Capacity Correction Factor Due to Tubing Length Cooling Heating0.750.800.85

5-21PERFORMANCE DATA & PRESSURE CURVESSM DNGDCI 2-E.1 GB5.5 DNG100 DCI 5.5.1 Cooling Capacity (kW) ID COIL ENTERING AIR DB/WB TEMPERATURE [°C]OD

5-22PERFORMANCE DATA & PRESSURE CURVES SM DNGDCI 2-E.1 GB5.5.3 HeatingID COIL ENTERING AIR DB TEMPERATURE [°C]OD COIL ENTERING AIR DB/WB TE

1-1INTRODUCTIONSM DNGDCI 2-E.1 GB1. INTRODUCTION1.1 GeneralThe new DNG DCI INVERTER ducted split unit range comprises the following RC (heat pump) mo

5-23PERFORMANCE DATA & PRESSURE CURVESSM DNGDCI 2-E.1 GB5.5.5 Pressure Curves (Cooling – Technician Mode)Suction Pressure - Cooling (Technician Mo

5-24PERFORMANCE DATA & PRESSURE CURVES SM DNGDCI 2-E.1 GB5.5.6 Pressure Curves (Heating – Technician Mode)Suction Pressure - Heating (Techn

5-25PERFORMANCE DATA & PRESSURE CURVESSM DNGDCI 2-E.1 GB5.6 DNG125 DCI5.6.1 Cooling Capacity (kW) ID COIL ENTERING AIR DB/WB TEMPERATURE [°C]OD CO

5-26PERFORMANCE DATA & PRESSURE CURVES SM DNGDCI 2-E.1 GB5.6.3 HeatingID COIL ENTERING AIR DB TEMPERATURE [°C]OD COIL ENTERING AIR DB/WB TE

5-27PERFORMANCE DATA & PRESSURE CURVESSM DNGDCI 2-E.1 GB5.6.5 Pressure Curves (Cooling – Technician Mode)Suction Pressure - Cooling (Technician Mo

5-28PERFORMANCE DATA & PRESSURE CURVES SM DNGDCI 2-E.1 GB5.6.6 Pressure Curves (Heating – Technician Mode)Suction Pressure - Heating (Techn

5-29PERFORMANCE DATA & PRESSURE CURVESSM DNGDCI 2-E.1 GB5.7 Capacity Correction Factor for Tubing Length5.7.1 Cooling5.7.2 Heating0.750.800.850.9

5-30PERFORMANCE DATA & PRESSURE CURVES SM DNGDCI 2-E.1 GB5.8 Pressure Correction Factor for Tubing Length5.8.1 Cooling5.8.2 HeatingPressur

5-31PERFORMANCE DATA & PRESSURE CURVESSM DNGDCI 2-E.1 GB5.9 Calculation ExampleOutdoor Unit OU12 5HP DCIIndoor Unit DNG 125 DCIOperation Mode Cool

6-1AIRFLOW CURVESSM DNGDCI 2-E.1 GB6. AIRFLOW CURVES6.1 Model: DNG 50 DCI6.2 Model: DNG 60 DCICONTENT

1-2INTRODUCTIONSM DNGDCI 2-E.1 GB1.3 Indoor Unit The DNG DCI indoor unit is a low silhouette ducted unit, and can be easily fitted to many types of res

6-2AIRFLOW CURVES SM DNGDCI 2-E.1 GB6.3 Model: DNG 72 DCI6.4 Model: DNG 80 DCICONTENT

6-3AIRFLOW CURVESSM DNGDCI 2-E.1 GB6.5 Model: DNG 100 DCI6.6 Model: DNG 125 DCIAir Flow vs. External Static Pressure01020304050607080901001101201301

6-4AIRFLOW CURVES SM DNGDCI 2-E.1 GB6.7 DNG UNITS RANGE AIR FLOW CORRECTION FACTORS (at nominal rating conditions — Test mode).Air Flow Rate [

7-1SOUND LEVEL CHARACTERISTICSSM DNGDCI 2-E.1 GB7. SOUND LEVEL CHARACTERISTICS7.1 Sound Pressure LevelFigure 17.2 Soud Pressure Level Spectrum (Mea

7-2SOUND LEVEL CHARACTERISTICS SM DNGDCI 2-E.1 GBDNG 72 DNG 80FAN SPEED LINEHIMELOCONTENT

7-3SOUND LEVEL CHARACTERISTICSSM DNGDCI 2-E.1 GB7.3 Outdoor units7.4 Sound Pressure Level Spectrum (Measured as Figure 2)DCI 50 Cooling DCI 50 Heatin

7-4SOUND LEVEL CHARACTERISTICS SM DNGDCI 2-E.1 GBDCI 72 Cooling DCI 72 HeatingDCI 80 Cooling DCI 80 HeatingCONTENT

8-1ELECTRICAL DATASM DNGDCI 2-E.1 GB8. ELECTRICAL DATA8.1 Single Phase UnitsMODEL DNG50 DNG60 DNG72 DNG80 Power Supply 1 PH ,220-240VAC ,50HZ Con

9-1WIRING DIAGRAMSSM DNGDCI 2-E.1 GB9. WIRING DIAGRAMS9.1 Indoor Unit: DNG 50 DCI9.2 Indoor Unit: DNG 60 DCICONTENT

9-2WIRING DIAGRAMS SM DNGDCI 2-E.1 GB9.3 Indoor Unit: DNG 72/80 DCICONTENT

1-3INTRODUCTIONSM DNGDCI 2-E.1 GB1.7 Outdoor UnitThe DNG DCI INV outdoor units can be installed as floor or wall mounted units by using a wall supporti

9-3WIRING DIAGRAMSSM DNGDCI 2-E.1 GB9.4 Outdoor Unit: DCI 50/609.4.1 DCI 50/60 for Indoor Power Supply9.4.2 DCI 50/60 for Outdoor Power SupplyNOTE:

9-4WIRING DIAGRAMS SM DNGDCI 2-E.1 GB9.5 Outdoor Unit: DCI 72/80CONTENT

10-1REFRIGERATION DIAGRAMSSM DNGDCI 2-E.1 GB10. REFRIGERATION DIAGRAMS10.1 Heat Pump Models10.1.1 DNG 50/60/72/80 Cooling mode Heating modeEEVEEVEEVEE

11-1TUBING CONNECTIONSDATA BOOK - DNG DCI11. TUBING CONNECTIONS TUBE (Inch)TORQUE (Nm)¼” ⅜” ½” ⅝” ¾”Flare Nuts15-18 40-45 60-65 70-75 80-85Valve

12-1CONTROL SYSTEMSM DNGDCI 2-E.1 GB12 CONTROL SYSTEM12.1 General Functions and Operating RulesThe DCI software is fully parametric.All the model dep

12-2CONTROL SYSTEMSM DNGDCI 2-E.1 GB12.1.2 Target Frequency Setting12.1.2.1 Target Frequency Setting for DCI 50/60The compressor target frequency i

12-3CONTROL SYSTEMSM DNGDCI 2-E.1 GBOAT ODUCodeH ODUCodeC IDU NLOAD≤ -5 3 3 Refer to sect.1.12..1≥ -5 3.8 312.1.3 Frequency Changes ControlWhen the u

12-4CONTROL SYSTEMSM DNGDCI 2-E.1 GB12.1.5 Minimum On and Off Time 3 minutes12.1.6 Indoor Fan Control8 Indoor fan speeds are determined for each mode

12-5CONTROL SYSTEMSM DNGDCI 2-E.1 GBCompressorTarget FrequencyOFAN SpeedRoutinARoutinBRoutinCRoutinDFreq=0 OFF OFF OFF OFF10 = Freq < OFLowFreq Low

12-6CONTROL SYSTEMSM DNGDCI 2-E.1 GB12.1.8.2 EEV Control for DCI72/80The target EEV value is the sum of open loop value (OL) and a result of the accu

1-4INTRODUCTIONSM DNGDCI 2-E.1 GB1.11 Matching Table1.11.1 R410AOUTDOOR UNITSINDOOR UNITSMODELREFRIGER.DNG 50 DCI DNG 60 DCI DNG 72 DCI DNG 80 DCI

12-7CONTROL SYSTEMSM DNGDCI 2-E.1 GB12.2 Fan ModeIn high/ medium/ low indoor fan user setting, unit will operate fan in selected speed.In AutoFan user

12-8CONTROL SYSTEMSM DNGDCI 2-E.1 GB12.7 Auto Cool/Heat ModeWhen in auto cool heat mode unit will automatically select between cool and heat mode acco

12-9CONTROL SYSTEMSM DNGDCI 2-E.1 GB12.9.2 Indoor Coil Overheating Protection12.9.2.1 Indoor Coil Overheating Protection For DNG60ICTICT TrendFas

12-10CONTROL SYSTEMSM DNGDCI 2-E.1 GB12.9.3.2 Compressor Overheating Protection for DCI 72/80CTTCTT TrendFast DecreasingDecreasingNoChangeIncreasingF

12-11CONTROL SYSTEMSM DNGDCI 2-E.1 GB12.9.5.2 Heat Sink Overheating Protection For DCI72/80HSTDelta HST<-2 -2 -1,0,1 2 >2HST ≥ 81 SC SC SC SC S

12-12CONTROL SYSTEMSM DNGDCI 2-E.1 GBOCT – Outdoor Coil TemperatureOAT – Outdoor Air TemperatureTLD – Time from Last DeicingDI – Deicing Interval (Tim

12-13CONTROL SYSTEMSM DNGDCI 2-E.1 GB12.9.7.2 Outdoor coil Deicing Protection For DCI72/80Entering Deicing ConditionsDeicing operation will start whe

12-14CONTROL SYSTEMSM DNGDCI 2-E.1 GB12.9.8 Condensate Water Over Flow ProtectionEach of the pins P1, P2, P3 can have two options:1 – When it is shor

12-15CONTROL SYSTEMSM DNGDCI 2-E.1 GB12.9.9 Indoor Unit Dry ContactIndoor unit Dry contact has two alternative functions that are selected by J9.Jump

12-16CONTROL SYSTEMSM DNGDCI 2-E.1 GB12.9.11 On Unit Controls and Indicators12.9.11.1 Indoor Unit Indicatiors for All Models Except for Floor/Ceilin

2-1PRODUCT DATA SHEETSM DNGDCI 2-E.1 GB2. PRODUCT DATA SHEET2.1 DNG50 DCI Model Indoor Unit DNG 50 DCIModel Outdoor Unit DCI 50 R410AInstallation Met

12-17CONTROL SYSTEMSM DNGDCI 2-E.1 GB12.9.13 Jumper Settings12.9.13.1 Indoor Unit Controller0 = Open Jumper (disconnect jumper).1 = Close Jumper (

12-18CONTROL SYSTEMSM DNGDCI 2-E.1 GB12.9.14 Outdoor Unit Controller12.9.14.1 Outdoor Unit Controller For DCI60JP9 Jumper Layout:Reserved (PIN 9) ODU

12-19CONTROL SYSTEMSM DNGDCI 2-E.1 GB12.10 Test Mode12.10.1 Entering Test ModeSystem can enter Test mode in two ways:Automatically when the following

12-20CONTROL SYSTEMSM DNGDCI 2-E.1 GB12.11 SW Parameters12.11.1 Indoor Units SW ParametersModel dependent parameters - DNGUnitA(DNG50)B(DNG60)C(DNG

12-21CONTROL SYSTEMSM DNGDCI 2-E.1 GB12.11.2 Outdoor Units SW Parameters:Model dependent parameters for DCI50/60# Name Single DCI-50 Single DCI 60 1

12-22CONTROL SYSTEMSM DNGDCI 2-E.1 GB12.11.3 Model dependent parameters for DCI72/80Compressor Parameters ValueMinOFFTime 3MinOnTime 3MaxCTT1 90MaxCT

13-1TROUBLESHOOTINGSM DNGDCI 2-E.1 GB13. TROUBLESHOOTING 13.1 Troubleshooting for DNG50/60 DCIWARNING!!!When Power Up – the whole outdoor unit contro

13-2TROUBLESHOOTING SM DNGDCI 2-E.1 GB No Symptom Probable Cause Corrective Action 9Unit works in wrong mode (cool instead of heat or heat instead o

13-3TROUBLESHOOTINGSM DNGDCI 2-E.1 GB13.1.3 Judgment by Indoor/Outdoor Unit DiagnosticsEnter diagnostics mode - press for five seconds Mode button in

13-4TROUBLESHOOTING SM DNGDCI 2-E.1 GB 13.1.4 Indoor Unit DiagnosticsNo Problem 5 4 3 2 11 RT-1 is disconnected 0 0 0 0 12 RT-1 is shorted 0 0 0 1 03

2-2PRODUCT DATA SHEETSM DNGDCI 2-E.1 GB2.2 DNG60 DCI Model Indoor Unit DNG 60 DCIModel Outdoor Unit DCI 60 R410AInstallation Method of Pipe FlaredChar

13-5TROUBLESHOOTINGSM DNGDCI 2-E.1 GB13.1.5 Outdoor Unit DiagnositsNo Problem 5 4 3 2 11 OCT is disconnected 0 0 0 0 12 OCT is shorted 0 0 0 1 03 CTT

13-6TROUBLESHOOTING SM DNGDCI 2-E.1 GB 13.1.6 Judgment by MegaToolMegaTool is a special tool to monitor the system states. Using MegaTool requires: A

13-7TROUBLESHOOTINGSM DNGDCI 2-E.1 GB13.1.8 Precaution, Advise and Notice Items13.1.8.1 High voltage in Outdoor unit controller. Whole controller, i

13-8TROUBLESHOOTING SM DNGDCI 2-E.1 GB 13.2 Troubleshooting for DNG72/80 DCIWARNING!!!When Power Up – the whole outdoor unit controller, including th

13-9TROUBLESHOOTINGSM DNGDCI 2-E.1 GBNo Symptom Probable Cause Corrective Action 7One indoor unit or more are operating in cool mode with no capacit

13-10TROUBLESHOOTING SM DNGDCI 2-E.1 GB No Symptom Probable Cause Corrective Action 19The unit stop suddenly during operationEMC interference to the

13-11TROUBLESHOOTINGSM DNGDCI 2-E.1 GBNo Problem 543211OCT bad 000012CTT bad 000103HST bad 000114OAT bad 001005OMT bad 001016RGT bad 001107 OFAN/Compr

13-12TROUBLESHOOTING SM DNGDCI 2-E.1 GB 13.2.3.2 Outdoor fault corrective actionsNo Fault Name Probable Cause Corrective Action1 OCT badThermistor n

13-13TROUBLESHOOTINGSM DNGDCI 2-E.1 GBNo Fault Name Probable Cause Corrective Action18 No communication A No signals in line A Check communication19C

13-14TROUBLESHOOTING SM DNGDCI 2-E.1 GB 13.2.4 Fault Code for Indoor unitPressing Mode button for long will activate diagnostic mode by the acknowled