Airwell DCR 25 Service Manual Download Page 40

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11-6

CONTROL SYSTEM

SM DEL60Hz 1-E.0 GB

11.7.2

Indoor Coil over Heating Protection

ICT

ICT Trend

Fast

Decreasing

No Change

Increasing

Fast

Increasing

ICT > 55

53 < ICT

≤

49 < ICT

≤

47 < ICT

≤

45 < ICT

≤

Norm

43 < ICT

≤

Norm

ICT

≤

Normal

11.7.3

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.

Control Status

Compressor

Temperature Increases

Else

Norm

Stop Compressor

Normal

Stop-Compresor

CTTOH1

CTTOH2

CTTOH3

CTTOH4

CTT

Summary of Contents for DCR 25

Page 1: ...DELTA 60Hz Series Indoor Units Outdoor Units Delta 25 DCR 25 Delta 35 DCR 35 Delta 50 DCR 50 REFRIGERANT AUGUST 2009 REFRIGERANT REFRIGERANT R410A HEAT PUMP SM DEL60Hz 1 E 0 GB...

Page 2: ...ected non effected pages divided by chapters Dates of issue for original and changed pages are Original 0 August 2009 Total number of pages in this publication is 70 consisting of the following Page N...

Page 3: ...IONS 3 1 4 OUTLINE DIMENSIONS 4 1 5 PERFORMANCE DATA PRESSURE CURVES 5 1 6 SOUND LEVEL CHARACTERISTICS 6 1 7 ELECTRICAL DATA 7 1 8 WIRING DIAGRAMS 8 1 9 REFRIGERATION DIAGRAMS 9 1 10 TUBING CONNECTION...

Page 4: ...Microprocessor control Infrared remote control with LED display I Indoor large diameter cross flow fan allowing low operation sound level Bended indoor coil with treated aluminum fins and coating for...

Page 5: ...provide complete operating function and programming Remote Control RC7 For further details please refer to the Operation Manual Appendix A 1 6 Outdoor Unit The DCR outdoor units can be installed as f...

Page 6: ...nbox Documentation Each unit is supplied with its own installation and operation manuals one simly remote control manual 1 9 Matching Table INDOOR UNIT OUTDOOR UNITS MODEL REFR Delta 25 Delta 35 Delta...

Page 7: ...250x185 Net Weight kg 7 Package dimensions WxHxD mm 740x310x248 Packaged weight kg 10 Units per pallet units 32 units per pallet Stacking height units 8 levels OUTDOOR Refrigerant control EEV Compress...

Page 8: ...t Weight kg 8 Package dimensions WxHxD mm 900x310x248 Packaged weight kg 11 Units per pallet units 32 units per pallet Stacking height units 8 levels OUTDOOR Refrigerant control EEV Compressor type mo...

Page 9: ...kaged weight kg 14 Units per pallet units 24 units per pallet Stacking height units 8 levels OUTDOOR Refrigerant control EEV Compressor type model Scroll PANASONIC 5CS130XCC03 Fan type quantity Propel...

Page 10: ...ling 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 3 1 1 R410A Indoor Outdoor Cooling Upper limit 32o C DB 23o C WB 46o C DB Lower lim...

Page 11: ...TUBING WALL OPENING FOR REAR ROUTING 40 41 670 TUBING WALL OPENING FOR REAR LEFT ROUTING 118 160 244 INDOOR UNIT OUTLINE AIR INTAKE AIR INTAKE AIR OUTLET 680 250 185 TUBING WALL OPENING FOR REAR ROUTI...

Page 12: ...35 60Hz AIR OUTLET AIR INT AKE 900 295 AIR INTAKE AIR INTAKE AIR OUTLET 205 MOUNTING TEMPLATE TO BE USED FOR LOCATION OF INDOOR UNIT ON THE WALL CEILING Min50 INDOOR UNIT OUTLINE TUBING WALL OPENING...

Page 13: ...4 3 OUTLINE DIMENSIONS SM DEL60Hz 1 E 0 GB 4 5 Outdoor Unit DCR 50 60Hz...

Page 14: ...95 PI 0 60 0 61 0 62 0 62 0 62 30 TC 2 28 2 45 2 65 2 75 2 85 SC 1 63 1 76 1 90 1 86 1 93 PI 0 65 0 66 0 67 0 68 0 68 35 TC 2 10 2 28 2 50 2 63 2 73 SC 1 53 1 67 1 82 1 80 1 87 PI 0 71 0 72 0 73 0 74...

Page 15: ...45 0 61 1 40 0 64 2 1 83 0 60 1 75 0 64 1 68 0 68 6 2 58 0 65 2 50 0 69 2 41 0 73 10 2 80 0 68 2 73 0 73 2 65 0 78 15 3 03 0 71 2 95 0 77 2 88 0 81 20 3 19 0 73 3 11 0 79 3 03 0 86 LEGEND TC Total Hea...

Page 16: ...85 0 86 0 87 0 87 0 88 30 TC 3 19 3 43 3 71 3 85 3 99 SC 2 21 2 39 2 58 2 53 2 63 PI 0 92 0 93 0 95 0 95 0 96 35 TC 2 94 3 19 3 50 3 68 3 82 SC 2 09 2 27 2 48 2 45 2 55 PI 1 00 1 01 1 03 1 04 1 04 40...

Page 17: ...03 0 84 1 96 0 89 2 2 56 0 84 2 45 0 89 2 35 0 94 6 3 61 0 90 3 50 0 96 3 38 1 02 10 3 92 0 95 3 82 1 01 3 71 1 08 15 4 24 0 99 4 13 1 07 4 03 1 13 20 4 46 1 02 4 36 1 10 4 24 1 19 LEGEND TC Total Hea...

Page 18: ...4 96 5 25 5 54 5 83 SC 3 53 3 59 3 64 3 70 3 75 PI 1 34 1 37 1 40 1 42 1 45 35 TC 4 42 4 71 5 00 5 29 5 58 SC 3 39 3 45 3 50 3 55 3 61 PI 1 51 1 53 1 56 1 59 1 61 40 TC 4 17 4 46 4 75 5 04 5 33 SC 3...

Page 19: ...3 95 3 71 PI 1 34 1 43 1 53 2 1 TC 4 28 4 04 3 81 PI 1 38 1 48 1 57 7 6 TC 5 54 5 30 5 06 PI 1 46 1 55 1 64 10 9 TC 5 84 5 60 5 37 PI 1 54 1 64 1 73 15 12 TC 6 14 5 91 5 67 PI 1 63 1 72 1 82 15 24 TC...

Page 20: ...0 1300 1400 10 15 20 25 30 35 40 45 Outdoor DB Temperature C Suction Pressure kPa Suction Pressure VS Outdoor Temp 22 15 24 17 27 19 29 21 32 23 Indoor DB WB 22 15 24 17 27 19 29 21 32 23 Indoor DB WB...

Page 21: ...00 1100 1200 1300 15 10 5 0 5 10 15 Outdoor WB Temperature Suction Pressure kPa Suction Pressure VS Outdoor Temp Discharge Pressure VS Outdoor Temp 15 20 25 1500 1750 2000 2250 2500 2750 3000 3250 350...

Page 22: ...0 Outdoor DB Temperature C Suction Pressure kPa Suction Pressure VS Outdoor Temp 1000 1250 1500 1750 2000 2250 2500 2750 3000 3250 3500 3750 4000 10 15 20 25 30 35 40 45 10 15 20 25 30 35 40 45 Outdoo...

Page 23: ...00 1000 1100 1200 1300 Outdoor WB Temperature C Suction Pressure kPa Suction Pressure VS Outdoor Temp Discharge Pressure VS Outdoor Temp 15 20 25 1500 1750 2000 2250 2500 2750 3000 3250 3500 3750 4000...

Page 24: ...1000 1100 1200 10 15 20 25 30 35 40 45 Outdoor DB Temperature C Suction Pressure kPa 22 15 DB WB 24 17 DB WB 27 19 DB WB 29 21 DB WB 32 23 DB WB Discharge Pressure VS Outdoor Temp 1000 1250 1500 1750...

Page 25: ...15 20 25 30 35 40 45 Outdoor DB Temperature C Suction Pressure kPa 22 15 DB WB 24 17 DB WB 27 19 DB WB 29 21 DB WB 32 23 DB WB Discharge Pressure VS Outdoor Temp 1000 1250 1500 1750 2000 2250 2500 275...

Page 26: ...dB re 0 002 MICRO BAR APPROXIMATE THRESHOLD OF HEARING FOR CONTINUOUS NOISE 70NC 60NC 50NC 40NC 30NC 20NC BAND CENTER FREQUENCIES Hz OCTAVE BAND SOUND PRESSURE LEVEL dB re 0 002 MICRO BAR APPROXIMATE...

Page 27: ...FOR CONTINUOUS NOISE 70NC 60NC 50NC 40NC 30NC 20NC APPROXIMATE THRESHOLD OF HEARING FOR CONTINUOUS NOISE 70NC 60NC 50NC 40NC 30NC 20NC BAND CENTER FREQUENCIES Hz OCTAVE BAND SOUND PRESSURE LEVEL dB r...

Page 28: ...D OF HEARING FOR CONTINUOUS NOISE 70NC 60NC 50NC 40NC 30NC 20NC BAND CENTER FREQUENCIES Hz OCTAVE BAND SOUND PRESSURE LEVEL dB re 0 002 MICRO BAR APPROXIMATE THRESHOLD OF HEARING FOR CONTINUOUS NOISE...

Page 29: ...Circuit Breaker A 12 15 20 Power Supply Wiring No X Cross Section mm2 3x1 0 mm2 3x1 5 mm2 3x1 5 mm2 Interconnecting Cable RC Model No X Cross Section mm2 4x1 0 mm2 4x1 5 mm2 5x1 5 mm2 a The Inrush cur...

Page 30: ...L 3 N To metal sheet Megatool 1 P7 4 3 2 3 4 2 1 Jumper P6 white 3 2 1 5 4 INDOOR UNIT DELTA WIRING DIAGRAM RAT 3 2 1 6 5 4 IFAN ICT Step motor M1 3 2 1 5 4 FLASH 5 C P10 P1 P2 P13 P20 1 2 P15 1 2 CT...

Page 31: ...P M O C N L M O C N 9 P 3 1 P 1 1 P 3 P V U W 9 P J 2 1 P H T R A E r e p m u J 3 1 2 4 6 5 4 1 P 4 P 1 2 6 P 1 P 2 1 2 1 l i o c e k o h C B row n R ed B lack W hite P M O C V dc B lue 2 1 e v l a v...

Page 32: ...9 1 REFRIGERATION DIAGRAMS SM DEL60Hz 1 E 0 GB 9 REFRIGERATION DIAGRAMS 9 1 Heat Pump Models 9 1 1 Delta 25 DCI DCR 25 Delta 35 DCI DCR 35 Cooling Mode Heating Mode...

Page 33: ...9 2 REFRIGERATION DIAGRAMS SM DEL60Hz 1 E 0 GB 9 1 2 Delta 50 DCI DCR 50 EEV EEV...

Page 34: ...3 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 Va...

Page 35: ...ter called NLOAD NLOAD is an integer number with values between 0 and 127 and it represents the heat or cool load felt by the indoor unit 11 1 2 Compressor Frequency Control NLOAD setting The NLOAD se...

Page 36: ...l 5 speeds for cool dry fan modes and 5 speeds for heat mode When user sets the indoor fan speed to a fixed speed Low Medium High unit will operate constantly at set speed When Auto Fan is selected in...

Page 37: ...OFMedFreq High Low Low Low OFMedFreq Freq High Low Low High Notes When OAT is faulty or disabled OFAN will follow Normal cases rules left column 1 OFLowFreq OFLowFreqC in cool mode and OFLowFreqH in h...

Page 38: ...Mode In high medium low indoor fan user setting unit will operate fan in selected speed In AutoFan user setting fan speed will be adjusted automatically according to the difference between actual roo...

Page 39: ...ill work between 0 and MaxNLOADIF1C Hz When the room temperature is lower than the set point compressor will be switched OFF and indoor fan will cycle 3 minutes OFF 1 minute ON 11 7 Protections There...

Page 40: ...2 D2 47 ICT 49 SR SR SR D1 D2 45 ICT 47 Norm Norm SR SR D1 43 ICT 45 Norm Norm Norm SR SR ICT 43 Normal 11 7 3 Compressor over Heating Protection Compressor temperature can be in one of 5 control zone...

Page 41: ...id 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 Deicing DI Deicing Interval Ti...

Page 42: ...TROL SYSTEM SM DEL60Hz 1 E 0 GB Deicing Protection Procedure T1 60 seconds T2 36 seconds T3 6 seconds COMP RV OFAN EEV ON HEAT COOL ON OFF EEVDeicerOpen Any T1 T2 T3 T3 T1 12 0 Threshold max 12 minute...

Page 43: ...rt stop and operate in Cooling or Heating in pre set temperature according to the following table Forced operation Mode Pre set Temperature Cooling 200 C Heating 280 C 11 9 On Unit Controls and Indica...

Page 44: ...d Sleep operation FILTER INDICATOR Lights up when Air Filter needs to be cleaned MODE RESET BUTTON As long as the filter Led is off the Mode Reset button functions as Mode switch Once filter Led is on...

Page 45: ...Automatically when the following conditions exists for 30 minutes continuously o Mode Cool Set point 16 Room temperature 27 1 Outdoor temperature 35 1 Or o Mode Heat Set point 30 Room temperature 20...

Page 46: ...wn when ICT is stable 0 ICTDef6 ICT to stop compressor 2 Parameters for indoor coil over heating protection ICTOH1 ICT to go back to normal 45 ICTOH2 ICT to stop rise when ICT increase 48 ICTOH3 ICT t...

Page 47: ...req 55 55 Step3Freq 65 65 Frequency limits as a function of outdoor air temperature MaxFreqAsOATC 50 60 MaxFreqAsOAT1H 58 60 MaxFreqAsOAT2H 50 50 Compressor Over Heating Protection CTTOH1 94 94 94 CTT...

Page 48: ...63 65 80 Frequency limits as a function of outdoor air temperature MaxFreqAsOATC 44 50 60 64 MaxFreqAsOAT1H 53 58 60 75 MaxFreqAsOAT2H 45 50 50 60 Compressor Over Heating Protection CTTOH1 94 94 94 94...

Page 49: ...control message but Operate indicator Green LED does not light up Problem with display PCB Replace display PCB If still not OK replace controller Unit in heat mode and coil is still not warm Change t...

Page 50: ...r is generating noise and no suction occurs Phase order to compressor is wrong Check compressor phase order 14 Water leakage from indoor unit Indoor unit drainage tube is blocked Check and open draina...

Page 51: ...ode The last fault code will be displayed even if the system has recovered from that fault The last fault will be deleted from the EEPROM after the system has exit diagnostics mode In diagnostics mode...

Page 52: ...unication Communication quality is low reliabilityCheck Indoor to Outdoor wiring and grounding 9 Using EEPROM data No problem System is using EEPRRRROM parameters 12 3 3 Outdoor unit Diagnostics DCR 2...

Page 53: ...C is disconnected when enabled 0 1 0 0 1 10 TSUC is shorted when enabled 0 1 0 1 0 11 IPM Fault 0 1 0 1 1 12 Bad EEPROM 0 1 1 0 0 13 DC under voltage 0 1 1 0 1 14 DC over voltage 0 1 1 1 0 15 AC under...

Page 54: ...essor Lock Switch unit to STBY and restart 9 Bad Communication Communication quality is low reliability Check Indoor to Outdoor wiring and grounding 12 4 Judgment by MegaTool MegaTool is a special too...

Page 55: ...s 220VAC 12 5 6 Checking the electrical expansion valve EEV The EEV has two parts drive part and valve The drive part is a step motor it is ringed on the valve Check the drive voltage 12VDC When Outdo...

Page 56: ...EXPLODED VIEWS AND SPARE PARTS LISTS SM DEL60Hz 1 E 0 GB 13 EXPLODED VIEWS AND SPARE PARTS LISTS 13 1 Indoor Unit Delta 25 Delta 35 DCI 15 14 13 11 12 10 18 16 17 19 20 21 22 9 6 7 8 5 4 23 24 25 26 3...

Page 57: ...r Fan 1 12 452784400 IOD 7 9 Air outlet Assy no 1 13 465210017 Drain Pipe Delta7 9 1 14 4526659 REAR PANEL ASSY 1 15 464220008 Mount Bracket Low Cost ALPHA 9 1 16 4526000 TUBE CLIP 1 18 455013301R EUR...

Page 58: ...IC 1 12 452784401 IOD 12 Air Outlet Assy no wire 1 13 465210017 Drain Pipe Delta7 9 1 14 4527186 IOD 12 REAR PANEL ASSY 1 15 464220007 Mount Bracket Low Cost ALPHA 12 1 16 4526000 TUBE CLIP 1 18 45501...

Page 59: ...13 4 EXPLODED VIEWS AND SPARE PARTS LISTS SM DEL60Hz 1 E 0 GB 13 4 Indoor Unit Delta 50 DCI 13 12 11 10 8 9 7 2 6 5 4 3 1 14 15 16 17 18 19 20 21 23 22 24 25 26 27 28...

Page 60: ...01600 Air Outlet Frame Assy ALPHA 1 11 465210009 Drain Pipe for Israel WNG18 24 30 1 12 453101400 Unit Housing Assy ALPHA 17 1 13 453081900 Mount Bracket Assy 1 14 4526000 TUBE CLIP 1 16 4523507 Step...

Page 61: ...13 6 EXPLODED VIEWS AND SPARE PARTS LISTS SM DEL60Hz 1 E 0 GB 13 6 Outdoor Unit DCR 25 DCR 35 60Hz R410A...

Page 62: ...ZDPF L 1 13 461040000 Electronic Expansion Valve DPF151 01 R41 1 14 4526216 EEV COIL QA L 12 HR 01A RK 1 14 461050000 Electronic Expansion Valve Coil XQ05 211 1 15 461010004 GasValve3 8 R410A 1 15 46...

Page 63: ...F L 1 13 461040000 Electronic Expansion Valve DPF151 01 R41 1 14 4526216 EEV COIL QA L 12 HR 01A RK 1 14 461050000 Electronic Expansion Valve Coil XQ05 211 1 15 461010004 GasValve3 8 R410A 1 15 463300...

Page 64: ...13 9 EXPLODED VIEWS AND SPARE PARTS LISTS SM DEL60Hz 1 E 0 GB 13 9 Outdoor Unit D R 50 60Hz...

Page 65: ...1 15 453238700 Wire UL1007 16AWG COM 1 16 455015202 groundwire UL101516AWG 1 5 250 150mm 1 17 4526300 Therminal sheet 1 20 204107 Cable clip Nylon 1 21 4519188 4 poles terminal block 1 22 465340080 V...

Page 66: ...14 1 APPENDIX A SM DEL60Hz 1 E 0 GB APPENDIX A INSTALLATION AND OPERATION MANUAL OPERATING MANUAL DELTA 25 35 50 DCI DCR 25 35 50 60Hz INSTALLATION MANUAL DELTA 25 35 50 DCI DCR 25 35 50 60Hz...

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Summary of Contents for DCR 25

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Airwell DCR 25, Service Manual, Page: 40 / 66

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Summary of Contents for DCR 25

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