Airwell WDI 12 Servise Manual Download Page 24 | Manualshive

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9-1

REFRIGERATION DIAGRAMS

SM DUO38I 1-A.2 GB

9. REFRIGERATION

DIAGRAMS

9.1

Heat Pump Models

9.1.1

DUO 38 DCI => Cooling Mode

ID¦3.0ױ

ID¦3.0ױ

ODU

IDU1

COMP.

Reverse

Valve

EEV2

Strainer

Strainer

Liquid Valve

(1/4")

Gas Valve

(3/8")

Brass Jointer

(1/4")

Brass Jointer

(3/8")

ID¦3.0ױ

Brass Jointer

(3/8")

Gas Valve

(3/8")

Strainer

Liquid Valve

(1/4")

Brass Jointer

(1/4")

EEV1

IDU2

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Summary of Contents for WDI 12

Page 1: ...DUO 38 DCI DAKOTA Indoor Units Outdoor Units WDI 7 DUO 38 DCI WDI 9 WDI 12 JUNE 2009 REFRIGERANT R410A HEAT PUMP SM DUO38I 1 A 2 GB...

Page 2: ...ginal and changed pages are Original 0 January 2006 Total number of pages in this publication is 56 consisting of the following Page No Revision No Page No Revision No Page No Revision No Title 1 A 1...

Page 3: ...RATING CONDITIONS 3 1 4 OUTLINE DIMENSIONS 4 1 5 PERFORMANCE DATA 5 1 6 PRESSURE CURVES 6 1 7 ELECTRICAL DATA 7 1 8 WIRING DIAGRAMS 8 1 9 REFRIGERATION DIAGRAMS 9 1 10 TUBING CONNECTIONS 10 1 11 CONTR...

Page 4: ...or temperature down to 150 C 10 LED s shows both indoor and outdoor diagnostics Variable Speed DC Inverter outdoor fan M2L diagnostics softwear cable Port for PC Low noise level 1 3 Tubing Connections...

Page 5: ...peller direct x 1 Fan speeds H L RPM 920 500 Air flow H L m3 hr 2160 Sound power level H L dB A 62 63 Sound pressure level 3 H L dB A 52 53 Dimensions WxHxD mm 795 290 610 Weight kg 38 Package dimensi...

Page 6: ...WDI 9 DCI Specifications Model Indoor Unit Type WDI 9 DCI Wall Mounted Installation Method FLARE Power Supply V Ph Hz 220 240 1 50 60 INDOOR Fan Type Quantity Crossflow 1 Airflow 2 Cooling Heating H M...

Page 7: ...ic pressure 3 Sound power in ducted units is measured at air discharge 4 Sound pressure level measured at 1 meter distance from unit 2 2 4 Indoor Units Combinations Indoor Units Combinations Cooling H...

Page 8: ...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 limit...

Page 9: ...2 Indoor Unit WDI 12 DCI 185 250 680 AIR OUTLET AIR INTAKE AIR INTAKE INDOOR UNIT OUTLINE 244 160 118 TUBING WALL OPENING FOR REAR LEFT ROUTING 670 41 40 TUBING WALL OPENING FOR REAR ROUTING 380 52 80...

Page 10: ...4 2 OUTLINE DIMENSIONS SM DUO38I 1 A 2 GB 4 3 Outdoor Unit DUO 38 DCI...

Page 11: ...64 1 68 PI 0 39 0 40 0 41 0 42 0 43 30 TC 1 80 1 92 2 03 2 15 2 26 SC 1 46 1 49 1 53 1 56 1 60 PI 0 44 0 45 0 45 0 46 0 47 35 TC 1 62 1 73 1 85 1 97 2 08 SC 1 38 1 41 1 45 1 49 1 52 PI 0 48 0 49 0 50...

Page 12: ...49 0 54 0 60 1 2 TC 1 63 1 56 1 49 PI 0 51 0 56 0 62 2 1 TC 1 68 1 61 1 54 PI 0 52 0 58 0 63 7 6 TC 2 22 2 15 2 08 PI 0 54 0 60 0 66 10 9 TC 2 31 2 24 2 17 PI 0 57 0 63 0 68 15 12 TC 2 40 2 33 2 26 PI...

Page 13: ...02 2 14 2 27 2 39 SC 1 56 1 59 1 63 1 67 1 71 PI 0 48 0 49 0 50 0 51 0 52 35 TC 1 71 1 83 1 95 2 07 2 19 SC 1 47 1 51 1 55 1 59 1 63 PI 0 53 0 54 0 55 0 56 0 57 40 protection range TC 80 92 of nomina...

Page 14: ...70 1 63 1 55 PI 0 54 0 60 0 66 2 1 TC 1 76 1 69 1 61 PI 0 56 0 62 0 68 7 6 TC 2 32 2 25 2 18 PI 0 58 0 64 0 70 10 9 TC 2 42 2 34 2 27 PI 0 61 0 67 0 73 15 12 TC 2 51 2 43 2 36 PI 0 64 0 69 0 75 15 24...

Page 15: ...72 30 TC 2 97 3 16 3 35 3 54 3 73 SC 2 11 2 16 2 21 2 27 2 32 PI 0 75 0 76 0 77 0 79 0 80 35 TC 2 67 2 86 3 05 3 24 3 43 SC 1 99 2 05 2 10 2 15 2 21 PI 0 82 0 84 0 85 0 86 0 88 40 TC 80 92 of nominal...

Page 16: ...46 2 35 2 25 PI 0 78 0 86 0 95 2 1 TC 2 55 2 44 2 33 PI 0 80 0 89 0 97 7 6 TC 3 36 3 25 3 14 PI 0 84 0 92 1 00 10 9 TC 3 49 3 38 3 28 PI 0 87 0 96 1 04 15 12 TC 3 62 3 52 3 41 PI 0 91 1 00 1 08 15 24...

Page 17: ...2 Cooling Capacity Ratio VS Tubing Length Cooling 0 88 0 90 0 92 0 94 0 96 0 98 1 00 1 02 4 6 8 10 12 14 16 18 20 22 24 26 28 30 Tubing Length m Capacity Ratio 5 4 3 Heating Capacity Ratio VS Tubing L...

Page 18: ...800 900 1000 1100 1200 1300 1400 10 15 20 25 30 35 40 45 Outdoor DB Temperature C Suction Pressure kPa 22 15 24 17 27 19 29 21 32 23 Indoor DB WB Temp Discharge Pressure VS Outdoor Temp 1500 1750 2000...

Page 19: ...Temp 400 500 600 700 800 900 1000 1100 15 10 5 0 5 10 15 Outdoor WB Temperature C Suction Pressure kPa 15 20 25 Indoor DB Temp Discharge Pressure VS Outdoor Temp 1500 1750 2000 2250 2500 2750 3000 325...

Page 20: ...00 1100 1200 10 15 20 25 30 35 40 45 Outdoor DB Temperature C Suction Pressure kPa 22 15 24 17 27 19 29 21 32 23 Indoor DB WB Temp Discharge Pressure VS Outdoor Temp 1500 1750 2000 2250 2500 2750 3000...

Page 21: ...mp 300 400 500 600 700 800 900 1000 1100 15 10 5 0 5 10 15 Outdoor WB Temperature C Suction Pressure kPa 15 20 25 Indoor DB Temp Discharge Pressure VS Outdoor Temp 1500 1750 2000 2250 2500 2750 3000 3...

Page 22: ...uit breaker 16 A Power supply wiring No x cross section 3 X 2 5 mm2 Interconnecting cable No x cross section 2 X 4 X 1 5 mm2 Note Inrush current is the current when power is up charging the DC capacit...

Page 23: ...1 2 3 4 5 J40 6 L N COM EARTH N COM N 230V 50Hz Y G Power supply T 15A 250Vac FUSE L Red Blue Brown To metal sheet Ferrite core UNIT 2 L1 L1 2 C1 N1 2 C2 N1 C1 C2 6 4 L 5 C N L OUTDOOR UNIT CIRCUIT DI...

Page 24: ...1 Heat Pump Models 9 1 1 DUO 38 DCI Cooling Mode ID 3 0 ID 3 0 ODU IDU1 COMP Reverse Valve EEV2 Strainer Strainer Liquid Valve 1 4 Gas Valve 3 8 Brass Jointer 1 4 Brass Jointer 3 8 ID 3 0 Brass Jointe...

Page 25: ...2 DUO 38 DCI Heating Mode ID 3 0 ID 3 0 ODU IDU1 COMP Reverse Valve EEV2 Strainer Strainer Liquid Valve 1 4 Gas Valve 3 8 Brass Jointer 1 4 Brass Jointer 3 8 ID 3 0 Brass Jointer 3 8 Gas Valve 3 8 Str...

Page 26: ...13 1 Valve Protection Cap end 2 Refrigerant Valve Port use Allen wrench to open close 3 Valve Protection Cap 4 Refrigerant Valve 5 Service Port Cap 6 Flare Nut 7 Unit Back Side 8 Copper Tube When the...

Page 27: ...capacity The capacity request is transferred via indoor to outdoor communication and is represented by a parameter called NLOAD NLOAD is an integer number with values between 0 and 127 and it represen...

Page 28: ...lue between minimum and maximum frequency 10 Minimum frequency 0 Compressor is stopped Target frequency limits as a function of outdoor air temperature OAT OAT Range Cool mode limits Heat mode limits...

Page 29: ...will be stopped when LOAD 0 5 MaximumNLOAD OR if Indoor Coil temperature 50 11 6 Outdoor Fan Control 7 outdoor fan speeds are determined for each model 3 speeds for cool and dry modes and 3 speeds fo...

Page 30: ...e is done only after compressor is off for over 3 minutes 11 9 Ionizer Control Ionizer is on when unit is on AND indoor fan is on AND Ionizer power switch on Ionizer is on 11 10 Electro Static Filter...

Page 31: ...ermistor The temperature compensation can be enabled disabled by shortening of J2 on the indoor unit controller Model J2 Shorted J2 Opened Wall mounted Compensation Disabled Compensation Enabled Casse...

Page 32: ...r frequency is reduced by 2 to 5 Hz per minute HzDown2 D2 Compressor frequency is reduced by 5 to 10 Hz per minute Stop Compressor SC Compressor is stopped 11 17 1 Indoor Coil Defrost Protection ICT I...

Page 33: ...ol zones 4 in protection and 1 normal t Control Status Compressor Temperature Increases Else P1 Norm SR P2 D1 SR P3 D2 D1 Stop Compressor SC 11 17 4 Compressor over Current Protection W Normal P1 P2 S...

Page 34: ...nutes Case 3 OCT is Invalid AND TLD DI Case 4 Unit is just switched to STBY AND OCT OAT 8 Case 5 NLOAD 0 AND OCT OAT 8 OCT Outdoor Coil Temperature OAT Outdoor Air Temperature TLD Time from Last Deici...

Page 35: ...tion P1 P2 P3 P4 Level Connector Top View Each of the pins P1 P2 P3 can have two options 1 When it is shorted with P4 0 When it is not shorted to P4 11 17 7 1 Levels Logic used in floor ceiling models...

Page 36: ...models P2 P3 Level Don t care 1 Normal Don t care 0 Overflow Water Level ANY 0 BLINK NLOAD OPER LED LEVEL1 LEVEL2 3 LEVEL4 NORMAL ON Pump OFF ANY 0 ON NLOAD PUMP OFF ON OPER LED OFF Overflow Water Le...

Page 37: ...power and ready to receive the R C commands OPERATION INDICATOR 1 Lights up during operation 2 Blinks for 300 msec to announce that a R C infrared signal has been received and stored 3 Blinks continuo...

Page 38: ...etting IFAN speed User setting IFAN speed Med OFF High OFF Turbo OFF Auto OFF Backlight red OFF OFF ON 3 ON 3 ON 3 OFF Backlight green OFF ON 3 OFF ON 3 ON 3 ON 3 11 20 3 Outdoor Unit Controller Indic...

Page 39: ...Reserved Wall Mounted WNG FLO Floor Ceiling PXD Reserved Ducted LS Cassette K 0 0 0 0 0 1 0 1 0 0 1 1 1 0 0 1 0 1 1 1 0 1 1 1 IDU Model Jumper Setting J8 J7 J6 J5 J4 J3 WNG25 0 0 0 0 1 1 WNG35 0 1 0 0...

Page 40: ...1 3 ODU MODEL SELECTION ODU3 ODU2 ODU1 ODU0 ODU Model OFF OFF OFF OFF Reserved OFF OFF OFF ON PIN1 PIN2 A DCI 25 OFF OFF ON PIN3 PIN4 OFF B DCI 35 OFF OFF ON PIN3 PIN4 ON PIN1 PIN2 C DCI 50 OFF ON PIN...

Page 41: ...odels The DCI SW is fully parametric All the model dependent parameters are shown in Blue color and with Italic style parameter The parameters values are given in the last section of this control logi...

Page 42: ...t 10 minutes of compressor operation EEVCV 0 11 23 5 System Mode Setting and Reversing Valve RV Control The first indoor unit that is causing the system to be turned ON sets the system mode 11 23 6 In...

Page 43: ...CI 25 DCI 35 NLOAD limits as a function of selected indoor fan speed MaxNLOADIF1C 40 40 MaxNLOADIF2C 53 53 MaxNLOADIF3C 120 120 MaxNLOADIF4C 127 127 MaxNLOADIF5C 127 127 Indoor Fan speeds IFVLOWC 700...

Page 44: ...50 50 64 62 MaxFreqAsOAT1H 65 75 85 85 MaxFreqAsOAT2H 60 60 60 60 Compressor Over Heating Protection CTTOH1 94 94 94 90 CTTOH2 98 98 98 95 CTTOH3 102 102 102 102 CTTOH4 105 105 105 105 Compressor Over...

Page 45: ...s not start louvers are opened and Green LED does light up Problem with PCB or capacitor Change to high speed and Check power supply to motor is higher than 130VAC for Triac controlled motor or higher...

Page 46: ...conds and move to the next unit LED On the other hand if the unit is in fault the unit LED and the corresponding fault will be displayed for 10 seconds and hence more time to read the fault code 1 3 1...

Page 47: ...required for unit operation 4 DC under over Voltage Electronics HW problem Check outdoor unit power supply voltage 5 AC under Voltage Check outdoor unit power supply voltage 6 Indoor Outdoor unit Comm...

Page 48: ...ed 0 1 0 1 0 11 Outdoor unit fault 0 1 0 1 1 12 Reserved 0 1 1 0 0 13 Reserved 0 1 1 0 1 14 Reserved 0 1 1 1 0 15 Reserved 0 1 1 1 1 17 Defrost protection 1 0 0 0 1 18 Deicing Protection 1 0 0 1 0 19...

Page 49: ...ent by MegaTool MegaTool is a special tool to monitor the system states Using MegaTool requires x A computer with RS232C port x A connection wire for MegaTool x A special MegaTool software Use MegaToo...

Page 50: ...V shall run and have click and vibration 1 6 Precaution Advise and Notice Items 1 6 1 High voltage in Outdoor unit controller Whole controller including the wires connected to the Outdoor unit control...

Page 51: ...13 1 EXPLODED VIEWS AND SPARE PARTS LISTS SM DUO38I 1 A 2 GB 13 EXPLODED VIEWS AND SPARE PARTS LISTS 13 1 Outdoor Unit DUO 38 DCI...

Page 52: ...802 EEV coil CAM MD12FKS 2 White connector 530mm 1 452682800 EEV coil CAM MD12FKS 1 Red 530mm 1 19 4526344 Comp Insulation1 1 20 4526221 Compressor wire 1 21 4510677 Nut With Flange M8 3 22 4526204 Co...

Page 53: ...14 1 APPENDIX A SM DUO38I 1 A 2 GB APPENDIX A INSTALLATION AND OPERATION MANUAL INSTALLATION MANUAL DUO 38 DCI...

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