Airwell DLF 18 DCI Technical Manual Download Page 95

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SM DLF 1-A.1 GB

EXPLODED VIEWS AND SPARE PARTS LISTS

Indoor Unit: DLF

DCI

Summary of Contents for DLF 18 DCI

Page 1: ...REFRIGERANT R410A HEAT PUMP ECO DESIGN 2014 DLF DC Inverter Series 201 SM DLF 1 A 1 GB Indoor Units Outdoor Units DLF 18 DCI YBDE018 H11 DLF 24 DCI YBDE024 H11...

Page 2: ...ges divided by chapters Dates of issue for original and changed pages are Original 0 June 2013 Total number of pages in this publication is 10 consisting of the following Page No Revision No Page No R...

Page 3: ...S 4 1 5 PERFORMANCE DATA PRESSURE CURVES 5 1 6 AIRFLOW CURVES 6 1 7 SOUND LEVEL CHARACTERISTICS 7 1 8 ELECTRICAL DATA 8 1 9 WIRING DIAGRAMS 9 1 10 REFRIGERATION DIAGRAMS 10 1 11 TUBING CONNECTIONS 11...

Page 4: ...possible due to the ability of inverters to reach a much higher capacity level Sine wave DC Compressor drive DC BL SL DC Brush Less Sensor less Inverter Compressor DC BL Inverter Outdoor and Indoor F...

Page 5: ...1 4 Filtration The unit is equipped with pre filters The air filter can be located in the back side or in the bottom of the unit for easy access 1 5 Control The micro processor indoor controller and...

Page 6: ...1 3 INTRODUCTION SM DLF 1 A 1 GB 1 7 Inbox Documentation Each unit includes its own installation and operation manuals 1 8 Matching Table INDOOR UNITS OUTDOOR W DLF18 DLF24 Q Q OUTDOOR UNITS...

Page 7: ...er pallet units 14 Stacking height units 7 OUTDOOR Refrigerant control EEV Compressor type model Twin Rotary DC Inverter Fan type quantity Axial x 1 Fan speeds RPM 200 750 continuous Air flow Max m3 h...

Page 8: ...k c a t S OUTDOOR V E E l o r t n o c t n a r e g i r f e R n i w T l e d o m e p y t r o s s e r p m o C Rotary DC Inverter 1 x l a i x A y t i t n a u q e p y t n a F s u o u n i t n o c 0 2 8 0 0...

Page 9: ...d EN 14511 Cooling Indoor 27o C DB 19o C WB Outdoor 35 o C DB Heating Indoor 20o C DB Outdoor 7o C DB 6o C WB 3 1 Operating Limits Indoor Outdoor Cooling Upper limit 32o C DB 23o C WB 46o C DB Lower l...

Page 10: ...1 OUTLINE DIMENSIONS SM DLF 1 A 1 GB 4 OUTLINE DIMENSIONS 4 1 Indoor Unit DLF 18 24 A C 565 B 629 640 With air filter 59 21 200 27 160 59 Nominal Capacity A B C 5 0 kW 750 696 790 7 0 kW 1050 996 109...

Page 11: ...4 2 OUTLINE DIMENSIONS SM DLF 1 A 1 GB 4 2 Outdoor Unit YBDE 018 024...

Page 12: ...I TC 4 83 5 15 5 47 5 78 6 10 SC 3 94 4 02 4 10 4 18 4 26 PI 0 97 0 99 1 01 1 03 1 05 TC 4 60 4 92 5 23 5 55 5 86 SC 3 84 3 92 4 00 4 08 4 16 PI 1 09 1 11 1 13 1 14 1 16 TC 4 37 4 68 5 00 5 32 5 63 SC...

Page 13: ...TA 15 20 25 TC 3 06 2 84 2 63 PI 0 79 0 87 0 95 TC 3 40 3 19 2 97 PI 0 95 1 04 1 12 TC 3 66 3 45 3 23 PI 1 08 1 16 1 24 TC 3 79 3 58 3 36 PI 1 14 1 22 1 30 TC 3 88 3 66 3 45 PI 1 18 1 26 1 34 TC 5 01...

Page 14: ...65 8 09 8 54 SC 5 71 5 82 5 94 6 05 6 17 PI 1 34 1 36 1 39 1 41 1 44 TC 6 44 6 88 7 33 7 77 8 21 SC 5 56 5 68 5 79 5 91 6 03 PI 1 49 1 52 1 54 1 57 1 59 TC 6 12 6 56 7 00 7 44 7 88 SC 5 42 5 53 5 65 5...

Page 15: ...0 25 TC 4 77 4 44 4 11 PI 1 06 1 16 1 27 TC 5 31 4 98 4 65 PI 1 27 1 38 1 49 TC 5 72 5 39 5 05 PI 1 44 1 54 1 65 TC 5 92 5 59 5 25 PI 1 52 1 62 1 73 TC 6 06 5 72 5 39 PI 1 57 1 68 1 79 TC 7 83 7 50 7...

Page 16: ...tion Factor for Tubing Length 5 3 1 Cooling 5 3 2 Heating 0 75 0 80 0 85 0 90 0 95 1 00 1 05 5 10 15 20 25 30 35 40 45 50 55 60 65 70 Tubing Lenght m Capacity Ratio 0 75 0 80 0 85 0 90 0 95 1 00 1 05...

Page 17: ...tal Tubing Length m Suction Pressure Ratio 0 86 0 88 0 90 0 92 0 94 0 96 0 98 1 00 1 02 Discharge Pressure Ratio Cooling Discharge Pressure Cooling Suction Pressure Pressure vs Tubing Lenght HEATING 0...

Page 18: ...8 0 9 1 0 1 1 1 2 1 3 1 4 20 25 30 35 40 45 Outdoor Temperature DB deg C Capacity Factor 0 5 0 6 0 7 0 8 0 9 1 0 1 1 1 2 20 15 10 5 0 5 10 15 Outdoor WB Temperature deg C Capacity Factor 5 5 Capacity...

Page 19: ...A 1 GB 6 AIRFLOW CURVES 6 1 Model DLF 18 DCI 5KW AIR FLOW CHART 0 4 8 12 16 20 24 28 32 36 40 44 48 0 50 100 150 200 250 300 350 400 450 500 550 600 650 700 750 800 850 900 M HR ESP 10PA 20Pa 40PA Hi...

Page 20: ...88 0 91 0 94 0 97 1 SC 0 78 0 84 0 89 0 95 1 PI 0 95 0 97 0 98 0 99 1 Heating PI 1 07 1 05 1 03 1 02 1 TC 0 90 0 92 0 95 0 97 1 Permissible Air ow Rate according to model Air Flow Curves 7 0KW AIR FLO...

Page 21: ...24 FAN SPEED LINE HI ME LO NC 70 NC 60 NC 50 NC 40 NC 30 NC 20 OCTAVE BAND SOUND PRESSURE LEVEL dB re 0 002 MICRO BAR NC 10 APPROXIMATE THRESHOLD OF HEARING FOR CONTINUOUS NOISE BAND CENTER FREQUENCIE...

Page 22: ...DLF 1 A 1 GB 7 3 Outdoor Units 7 4 Sound Pressure Level Spectrum Measured as Figure 2 YBDE 018 024 H11 Cooling YBDE 018 024 H11 Heating Figure 2 F F F J K F J Q Q Y Z Q Y_ Z j Q F F F J K F J Q Q Y Z...

Page 23: ...in both ways To outdoor unit to supply both outdoor and indoor unit To outdoor unit and to Indoor unit separately b Communication wires must be separated from the power wires and should be shielded t...

Page 24: ...SMP FERRITE RED BROWN BLUE YEL GRN L 20A Outdoor Unit Controller C N P103 P101 P107 P102 FUSE HPS 1 2 P604 press both SPT and SPT more then for 5 seconds to enter or exit technician mode I R RECEIVER...

Page 25: ...nit 2 Power Supply Cable 3 Outdoor Unit 4 Interconnecting Cable 4x2 5mm2 5 Wireless Remote Control 6 Display Unit 7 Display Connector 8 Power Breaker by installer The power breaker must be of type tha...

Page 26: ...nnecting Cable 4x2 5mm2 6 Wireless Remote Control 7 Display Unit 8 Display Connector 9 Power Breaker by installer The power breaker must be of type that disconnects all poles with 3 mm contact opening...

Page 27: ...Filter Outdoor heat exchanger OCT 4 Way valve Oil separator Compressor Line accumulator 3 0 Gas valve OUTDOOR UNIT INDOOR UNIT CTT OMT Oil cappilary tube 2 5mmx0 6mmx1000mm LPS Optional HPS OAT SV Re...

Page 28: ...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 1 Valve Protection Cap end 2 Refrigerant Valve Port use Allen wrench to open close 3 Valv...

Page 29: ...mperature RT2 sensor IDU Indoor Unit IFAN Indoor Fan LPS Low Pressure Switch M2L Mega Tool Monitoring SW MCU Micro Controller Unit NA Not Applicable OAT Outdoor Air Temperature sensor OCT ODU Coil Tem...

Page 30: ...Control Driver Control OFAN Control OFAN Control M M Temp Inputs 230V Outputs EEV Output Dry contacts IDU Communication IDU Controller Inputs R C IFAN Control M RAT ICT Overflow RC RCW PBMS OAT CTT O...

Page 31: ...12 3 CONTROL SYSTEM SM DLF 1 A 1 GB 12 2 2 Controller overview 12 2 2 1 Main Controller Indoor Unit DLF 18 24...

Page 32: ...SM DLF 1 A 1 GB 12 4 12 2 2 3 Main Controller Outdoor Unit YBDE018 024 12 2 2 4 Main Controller Outdoor Unit YBDE030 CONTROL SYSTEM...

Page 33: ...Heating LED 4 Push Button Mode 5 Timer LED 6 STBY LED 7 Operation LED 8 IR Receiver 9 Buzzer 10 Display Port Connection 12 2 2 6 New Display Board Legend 1 Mode Button 2 Stand By Led 3 Timer led 4 Fil...

Page 34: ...vel x SB input System will be turned to Stand by when the contact is closed x Power Shedding input Limits the maximum power consumption when closed x Alarm output indicates a failure in the system Ala...

Page 35: ...according to the following graph ON OFF OAT 0 2 Base Heater When OAT is faulty the base heater will be ON continuously in HEAT mode 12 2 3 10 Cranckcase Heater Heating element designed to heatup the c...

Page 36: ...Power up A C must perform some initialization procedures x Thermistors short disconnect x Compressor Driver communication connected and error codes if any x Fans connected check feedback x EEPROM pow...

Page 37: ...s test is continuously performed while the system is on 12 3 3 1 Communication Channel Auto Detection Single or Multi System is continuoesly checking wether it is a single or multi system according it...

Page 38: ...hermistors default value Thermistor Default value System Reaction COOL HEAT OCT 1 C 1 C 1 OAT 43 C 6 C CTT 43 C 43 C HST 75 C 75 C OMT 43 C 43 C Replaced by OCT 1 RGT 43 C 43 C RLT 43 C 43 C ICT 43 C...

Page 39: ...RLTi Multi NH Active Yes Normal 14 RGTi RLTi ICTi Multi NH Any Yes Normal 15 ICT single H NH NA Yes Stop Comp 16 ICT single H NH NA No Normal 17 LWT single H NA Yes Stop Comp 18 LWT single H NA Yes N...

Page 40: ...H MEDIUM LOW DT 3 2 1 0 1 4 12 4 2 Indoor Fan Control 12 4 2 1 Indoor fan control FAN Mode x Q x Mode Power Shedding OFF Power Shedding ON Cooling No limit Nominal Cooling Heating No limit Nominal hea...

Page 41: ...URBO 25 LOAD n IFAN Speed 100 75 50 12 4 2 3 Indoor fan control Heat Mode 12 4 2 3 1 IFAN Operation in set speed according to the graph below 12 4 2 3 2 IFAN Operation in Auto Fan Mode IFAN speed will...

Page 42: ...tion In normal operation OFAN operates together with the COMP Other rules are according to section12 5 3 c IFAN Operation IFAN will operate in ANY speed regardless the ICT or COMP state IFAN speed wil...

Page 43: ...section 12 5 1 b OFAN Operation In normal operation OFAN operates together with the COMP Other rules are according to section 12 5 3 c IFAN operation IFAN will operates according heat mode rules See s...

Page 44: ...or OFF 12 4 5 2 Control Functions a Switching temperature between Cooling and Heating is SPT 3O C b When the AUTO Mode is started with SPT 0 O Q with IFAN operating at low speed The proper Auto Heat...

Page 45: ...culation in indoor unit side Other rules are according to section 12 5 1 b OFAN Operation In normal operation OFAN operates together with the COMP Other rules are according to section 12 5 3 c IFAN Op...

Page 46: ...ximum comfort for the sleeping user q to TIMER function WW W WW q from 0 to 3oC Q W Q q from 0 to 3oC q q q W q _ operation 12 4 7 3 Sequence Diagrams 12 4 8 Forced Operation Q Forced operation Mode P...

Page 47: ...ors STAND BY INDICATOR Lights up when the Air Conditioner is connected to power and ready to receive the R C commands OPERATION INDICATOR Lights up during operation Blinks for 300 mSec to announce tha...

Page 48: ...cle 3 HEAT the unit operates at heat pump cycle deicer will be treated as sub mode of heat mode in the thermal Mode setting W STBY 12 5 2 Compressor Speed Control The following diagram describes the s...

Page 49: ...frequencies Illegal Frequencies are values that the unit is not allowed to be working at The frequencies and values within tolerance of 2 Hz are not allowed 12 5 2 8 Compressor shutdown Cases Shutdown...

Page 50: ...keep the optimal system performance at all times It is done by means of discharge superheat temperature and optimum compressor temperature control The target EEV value is the sum of open loop value OL...

Page 51: ...et CTT Discharge super heat protection CTT Protection Sub cooling SC protection 12 5 4 Outdoor Fan Speed Control 12 5 4 1 General Rules W reducing the OFAN speed W W W 27 38 Max OCT OMT OFAN Speed Coo...

Page 52: ...2 6 2 ODU Protections 12 6 2 1 Protection types There are 2 types of protection Thermodynamic protections and Cut Off protection Thermodynamic Cut Off protection Compressor AC Over Current Low Pressur...

Page 53: ...sor W Qq W controlled by changing the protection level using the fuzzy logic algorithm according the input level and the change rate The following table summarizes the basic levels of each protection...

Page 54: ...he last deicer is passed Case 2 OCT is 12 degree lower then the ambiant temp and 30 minutes from the last deicer wa passed W in other cases Deicing interval time is changed increased decreased in 10 m...

Page 55: ...normally according to the run mode control logic except the following changes R The dry contacts inputs will be ignored R Protections will be operative for stop compressor only R The compressor and t...

Page 56: ...umber of IDU s Begin test Test Result Matrix Table Test Result Problem Correction Diagnostics dia Outdoor Unit oxx Indoor Unit A axx Indoor Unit B bxx Multi Only Indoor Unit C Cxx Multi Only Indoor Un...

Page 57: ...ess o When Technician test cool or heat menu is selected it will blink constantly until this menu is escaped o Pressing select and escape buttons together when in RST for more than 5 seconds will rest...

Page 58: ...Operation Mode A Multi Only Operation Mode B Multi Only Operation Mode C Multi Only Operation Mode D Multi Only Operation Mode E Load Load A Multi Only Load B Multi Only Load C Multi Only Load D Mult...

Page 59: ...eed CTT OMT OCT HST OAT RGT A Multi Only RGT B Multi Only RGT C Multi Only RGT D Multi Only RGT E Multi Only RLT A Multi Only RLT B Multi Only RLT C Multi Only RLT D Multi Only RLT E Multi Only EEV A...

Page 60: ...enu Navigate the HMI For the required test and press the Select for more than 5sec until the test name will blink Exiting TPT W q W switched back to normal menu All the menus and their sub menus are a...

Page 61: ...operation 3 After about 30 sec the fans will be shut off 4 W W faulty 12 8 4 5 EEV Test procedure 1 Start the operation by navigating the HMI 2 Press up or down to move the EEV by 10 steps each push...

Page 62: ...est will end after about 15 minutes This acts as percussion in case the unit will not be shut OFF or not closes the valves 12 8 4 10 Communication Test procedure Check if communication fault occurs be...

Page 63: ...ompensatio selection J selection J7 0 1 0 1 Presence us n Disconne se Shorted pers st Jumper us n Disconne se Shorted production M Jumper DIP ected n in heat m Jumper D J3 J4 1 NA 1 1 0 NA Jumper D J...

Page 64: ...el Sele us n Disconne se Shorted an testing ch Setting st Jumper DIP J8 ected TPT For n g Table 1 J J2 ON OFF ON OFF ction Jum Descriptio Normal Op Test enabl normal use m 2 3 4 J3 J5 J7 per DIP on pe...

Page 65: ...12 37 CONTROL SYSTEM SM DL A 1 GB 12 9 5 Remote Control RC 8 Reset Operation...

Page 66: ...Time 3 minute 2 MinONTime 3 minute 3 DImin 30 minute 4 DImax 240 minute 5 TimeD 1 minute 6 DTmin 2 minute 7 DIT 10 minute 8 CTMRUP 10 minute 9 DIF 30 minute 10 TCT 240 second 11 DEICT1 60 second 12 DE...

Page 67: ...FNNoiseMaxRPMC NA NA 78 90 75 75 75 75 0 130 1 10RPM OFNNoiseMaxRPMH NA NA NA 95 75 75 75 75 0 130 1 10RPM OCT_OFAN_Noise_Max 8 8 8 8 8 8 8 8 0 15 1 C OMT_OFAN_Noise_Max 38 38 35 38 35 35 35 35 27 42...

Page 68: ...C ICTDef5 0 0 0 0 0 0 0 0 23 8 1 C ICTOH0 44 44 44 45 50 50 50 45 35 66 1 C ICTOH1 50 50 50 49 52 52 52 49 35 66 1 C ICTOH2 54 54 54 51 54 54 54 51 35 66 1 C ICTOH3 58 58 58 53 58 58 58 53 35 66 1 C...

Page 69: ...12 41 CONTROL SYSTEM SM DLF 1 A 1 GB 12 11 7 Segment Legend 7 7 segments lege end...

Page 70: ...utdoor unit electrical assembly before discharging may cause an electrical shock Measure the electrolytic capacitors voltage to be below 50VDC before further checking electrical assembly parts 13 1 3...

Page 71: ...ssage Remote control message not reached the indoor unit Check remote control batteries Check continuity of each wire of the display wires pins with Ohm meter If still not OK Replace display box or in...

Page 72: ...LEDs are off No power supply Check supply voltage to main terminals L and N with volt meter Miss wiring Check all supply wiring to controller and terminals according to wiring diagram Loose connection...

Page 73: ...ir by pass Outdoor fan malfunction Check outdoor fan motors 13 5 9 EEV malfunction Check EEV 13 5 12 Thermistor s malfunction Check if any of fault codes 1 7 is shown on display board Replace faulty t...

Page 74: ...earing Replace compressor Vibration Check all piping connections Check all screws on unit metal chassis are tightened Check that no piping is in contact with each other or with other parts 19 Freezing...

Page 75: ...ng by Diagnostics Codes 13 4 1 Fault Code for Outdoor Unit If any fault exists in the system its fault will be shown according to the following coding method The 5 last fault occurred in the system wi...

Page 76: ...r voltage x AC over Voltage x Zero Crossing detection Yes 0 1 1 1 1 16 x Mismatch between IDU ODU models x x Yes 1 0 0 0 0 17 No Communication Yes 1 0 0 0 1 18 System Over Power Yes 1 0 0 1 0 19 PFC C...

Page 77: ...16 11 x Compressor IPM Fault x IPM Driver Pin x Compressor Current Sensor Fault Over current IPM malfunction Check no obstruction to electrical box and outdoor coil air inlet Check Compressor 13 5 10...

Page 78: ...ration 13 3 23 Compressor Over Current Compressor stopped due to over current protection Normally no action is required If the problem persists for more than twice on each hour check for refrigerant l...

Page 79: ...stem problems information will be indicated by blinking of Heat Cool LED s The coding method will be as follows Heat led will blink 5 times in 5 seconds and then will be shut off for the next 5 second...

Page 80: ...ompressor stopped due to outdoor unit protection Normally no action is required If the problem persists for more than twice on each hour Check for any fault code shown on outdoor unit display board an...

Page 81: ...25 Bad EEPROM No action unless special parameters are required for unit operation 26 Bad Communication IDU ODU communication Check communication between indoor and outdoor units 13 5 17 27 Using EEPRO...

Page 82: ...re can still be a Hardware problem that prevents the system to perform well or at all If no other problem is found replace the driver Check power supply to driver connected well and no burn marks on w...

Page 83: ...43 INV40 50 380 50VDC YAD036 42 60 H13 INV40T 50T 60T 560 50VDC YBD042 60 H11 310 50VDC 3 When power is OFF Check capacitance between and poles should be according table Unit Capacitance GC036 43 INV4...

Page 84: ...SISTANCE YBD036 H11 INV38 INV40 50 YBD042 060 H11 YAD036 042 060 H13 YBD030 YBD018 024 3 Check the compressor current while operating to be the same on each wire In case of abnormal current no current...

Page 85: ...d click sound If not replace the coil with the additional one and check again turn OFF the unit and than turn it ON vibration and click sound should be performed If OK the coil was damaged and require...

Page 86: ...ROUBLESHOOTING SM DLF 1 A 1 GB CTT YBDE018 024 OAT OCT OMT ICT RAT HST Chart R T Table 0 1 1 0 10 0 100 0 1000 0 30 20 10 0 10 20 30 40 50 60 70 80 90 100 Temperature C Resistance kOhm R25 C 10k 25 85...

Page 87: ...and check resistance between the 2 pins of the HPS connector if shorted the LPS is OK otherwise replace LPS Replacing LPS 14 1 9 13 5 15 Checking Compressor Driver Communications 1 Disconnect the wire...

Page 88: ...from the connector on the IDU main board side and Check voltage on the IDU terminals N and C should be 43VDC 1VDC If not replace IDU controller If it is 43VDC 3 Connect back the wires to the IDU side...

Page 89: ...c waves 2 Locations near amateur radio short wave stations 3 Locations near electronic sewing machines and arc welding machines Problem 1 The unit may stop suddenly during operation Correction Actions...

Page 90: ...14 1 EXPLODED VIEWS AND SPARE PARTS LISTS SM DLF 1 A 1 GB 14 EXPLODED VIEWS AND SPARE PARTS LISTS 14 1 Indoor Unit DLF 18 D G F E D E D D E 7a 8 16...

Page 91: ...14 2 SM DLF 1 A 1 GB EXPLODED VIEWS AND SPARE PARTS LISTS 14 2 Indoor Unit DLF 18 DCI...

Page 92: ...14 3 EXPLODED VIEWS AND SPARE PARTS LISTS SM DLF 1 A 1 GB 14 3 Outdoor Units YBDE 018 H11 Exploded View 14 3 1 Outdoor Unit General Assembly 5 11 10 1 7 31 12 9 8 13 6 3 2 46 14 23 4 18 47 65 71...

Page 93: ...14 4 EXPLODED VIEWS AND SPARE PARTS LISTS SM DLF 1 A 1 GB 43b 14 43 43a 70 16 17 50 42 21 39 69 33 33 53 50 19 52 51 31 14 3 2 Outdoor Unit Parts Assembly...

Page 94: ...DCI 1 31 426705 Controller Assy OU7 DCI 1 21 426793 Compressor Wiring 1 46 426798 PFC Chock 1PH DCI50 1 70 426903 Terminal Cover Compressor GMCC 1 10 433281 Side Guard OU7 24 1 3 436357 Small Electri...

Page 95: ...14 6 SM DLF 1 A 1 GB EXPLODED VIEWS AND SPARE PARTS LISTS 14 4 Indoor Unit DLF 24 DCI E F G D E D D E D...

Page 96: ...14 7 EXPLODED VIEWS AND SPARE PARTS LISTS SM DLF 1 A 1 GB 14 5 Indoor Unit DLF 24 DCI...

Page 97: ...14 8 EXPLODED VIEWS AND SPARE PARTS LISTS SM DLF 1 A 1 GB 5 11 10 1 7 45 12 9 8 13 6 3 2 46 22 14 23 4 18 47 65 71 14 6 Outdoor Unit YBDE 024 H11 Exploded View 14 6 1 Outdoor Unit General Assembly...

Page 98: ...14 9 EXPLODED VIEWS AND SPARE PARTS LISTS SM DLF 1 A 1 GB 43b 14 43 43a 70 16 17 50 42 21 39 69 33 33 53 50 19 52 51 31 14 6 2 Outdoor Unit Parts Assembly...

Page 99: ...DCI 1 31 426705 Controller Assy OU7 DCI 1 21 426793 Compressor Wiring 1 53 426794 OU7 DCI Motor Wiring 1 46 426798 PFC Chock 1PH DCI50 1 70 426903 Terminal Cover Compressor GMCC 1 10 433281 Side Guard...

Page 100: ...the outdoor unit electrical cover and service panel 2 Connect the base heater wires to connections marked as BH on the main controller refer to Figure 1 3 Route the wires into the cable holders and t...

Page 101: ...nel 2 Remove the compressor insulation layers 3 Locate the heater around the compressor and close with the spring according to Figure 1 4 Route the wires into the cable holders as per Figure 2 5 Conne...

Page 102: ...16 1 APPENDIX A SM DLF 1 A 1 GB APPENDIX A INSTALLATION AND OPERATION MANUALS INFRARED REMOTE CONTROL RECEIVER OPERATION MANUAL RC 8...

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