Airwell PNX 012 Service Manual Download Page 101

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13-3

EXPLODED VIEWS AND SPARE PARTS LISTS

SM YAZDCI 1-A.1 GB

13.3

Outdoor Unit: YAZ4 30 DCI

No. P/N

Part

Name

Quantity

4522604

Outlet Grid

4523652

Painted Left Cabinet Assy.

4526522

4-way Vavle R410a

452803600

4-way Valve System Assy.

452956700

4-way Valve Coil

452966200

Compressor Top Thermistor(CTT)

452677601

Outdoor Coil Thermistor(OCT)

467400000

Return Gas Thermistor(RGT)

452956500

Outdoor Coil Sensor(OMT)

453174100

Compressor Assy. TNB220FLBM

452809900

Base Plate Painting Assy.

452962800

Manifold Assy.

452783000

Low Pressure Stop Valve 5/8 R410a "

452956600

Compressor Cable

4526827

Electronical Expansion Valve CAM-BD15 FKS-1

452962700

Distributing Pipe Assy.

452805100

Connect Pipe 2/Electronic Expansion Valve to High Pressure Stop Valve

452803000

Connect Pipe 1/Electronic Expansion Valve to High Pressure Stop Valve

4517772

Little Handle

452957700

Painted Side Plate Assy.

452783100

High Pressure Stop Vavle 3/8 R410a "

452956200

Painted Stop Plate Assy.

452957600

Painted Right-back Plate Assy.

467300005

Display Board Assy.

453031800

3 Poles Terminal Block

4526774

Outdoor Air Thermistor(OAT)

453175500

Guard Net Painting Assy.

453083800

Support/OAT 1

204107

Cable Clip Nylon

453031700

10 Poles Terminal Block

453256700

Support Painting Assy./Electrical Box

452956100

DCI Outdoor Controller 3.1kW

452802500

Condensor System Assy.

4523657

Painted Top Cover Assy.

453256800

Ground Wire 1

453256900

Ground Wire 2

4522600

Left Handle

4526226

Power Lead Wire

452682803

EEV Coil(Green Connector 800mm)

452682800

EEV Coil(Red Connector 530mm)

452682802

EEV Coil(White Connector 530mm)

453256100

Support Painting Assy./Gas-Liquid Seperator

464860000

Valve Support Painting Assy.

452783500

Brass Connector With Flange 1/2 "

452783501

Brass Connector With Flange 3/8 "

452783502

Brass Connector With Flange 1/4 "

452783600

Oil Seperator Assy.

452783200

Gas-Liquid Seperator

453256000

Chock Assy.

4518950

Filter Drier BFK-053S

452957800

Partition Assy.

452783300

Liquid Accumulator

452956300

Painted Right-Front Plate Assy.

4522601

Right Handle

452888500

Motor Support

452855600

DC Resin Motor(EHD80A90EC /SIC-71FW-F170-1)

452960400

Outdoor Fan

4523758

Nut M8 Left

Summary of Contents for PNX 012

Page 1: ...its Outdoor Units PNX009 YAZ3 24 DCI YAZ4 30 DCI PNX012 PNX018 CK009 CK012 CK018 SX009 SX012 SX018 DLF009 DLF012 DLF018 XLF009 XLF012 DLS018 PRIME009 PRIME012 PRIME018 HAD009 HAD012 JANUARY 2012 REFRI...

Page 2: ...changed pages are Original 0 JANUARY 2010 Total number of pages in this publication is 130 consisting of the following Page No Revision No Page No Revision No Page No Revision No Title 1 A 1 i 1 1 1 1...

Page 3: ...ITIONS 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 ELECTRICAL CONNECTIONS 8 1 9 REFRIGERATION DIAGRAMS 9 1 10 TUBING CONNECTIONS 1...

Page 4: ...y features LEX series Lego concept Products line of wall mounted floor ceiling cassette ducted with capacity models of 2 5 3 5 and 5 0 kW Networking connectivity Pre charged system Dry contact inputs...

Page 5: ...GB 1 5 Matching Table R410A INDOOR UNITS OUTDOOR UNITS Trio YAZ3 24 DCI Quattro YAZ4 30 DCI PNX009 PNX012 PNX018 CK009 CK012 CK018 SX009 SX012 SX018 DLF009 DLF012 DLF018 XLF009 XLF018 DLS018 PRIME009...

Page 6: ...nit B Unit C Unit D Code Sum 009 009 009 3 009 009 009 009 4 009 009 012 3 5 009 009 009 012 4 5 009 009 018 4 009 009 012 012 5 009 012 012 4 009 009 009 018 5 012 012 012 4 5 009 009 012 018 5 5 009...

Page 7: ...s WxHxD mm 1070 X940 X510 Packaged weight kg 75 Units per pallet Units 4 Stacking height units 2 levels Refrigerant type R410A Standard charge kg 3 2 Additional charge No need TUBING Connection method...

Page 8: ...xHxD mm 1070x940x510 Packaged weight kg 76 Units per pallet Units 4 Stacking height units 2 levels Refrigerant type R410A Standard charge kg 3 4 Additional charge No need TUBING Connection method betw...

Page 9: ...X012 DCI Specifications Model Indoor Unit PNX012 DCI Installation Method of Pipe Flared Power supply V Ph Hz 220 230V 1 Ph 50 Hz INDOOR Fan type quantity Crossflow x 1 Fan speeds H M L RPM 1100 950 80...

Page 10: ...lation Method of Pipe Flared Power supply V Ph Hz 220 230V 1 Ph 50 Hz INDOOR Fan type quantity Centrifugal x 1 Fan speeds H M L RPM 550 500 450 600 520 450 Air flow 1 H M L m3 hr 420 370 320 470 390 3...

Page 11: ...ecifications Model Indoor Unit CK018 DCI Installation Method of Pipe Flared Power supply V Ph Hz 220 230V 1 Ph 50 Hz INDOOR Fan type quantity Centrifugal x 1 Fan speeds H M L RPM 680 620 550 680 620 5...

Page 12: ...cifications Model Indoor Unit SX012 DCI Installation Method of Pipe Flared Power supply V Ph Hz 220 240 1 50 INDOOR Fan type quantity Centifugal x 2 Fan speeds H M L RPM 830 760 500 Air flow 1 H M L m...

Page 13: ...fications Model Indoor Unit DLF009 DCI Installation Method of Pipe DUCTED Power supply V Ph Hz 220 240 1 50 INDOOR Fan type quantity Centifugal x 2 Fan speeds H M L RPM 920 810 740 Air flow 1 H M L m3...

Page 14: ...pecifications Model Indoor Unit DLF018 DCI Installation Method of Pipe DUCTED Power supply V Ph Hz 220 240 1 50 INDOOR Fan type quantity Centifugal x 2 Fan speeds H M L RPM 1100 980 860 Air flow 1 H M...

Page 15: ...Specifications Model Indoor Unit XLF012 DCI Installation Method of Pipe Flared Power supply V Ph Hz 220 240 1 50 INDOOR Fan type quantity Helicoid x 1 Fan speeds H M L RPM 540 510 450 Air flow 1 H M...

Page 16: ...ions Model Indoor Unit PRIME009 DCI Installation Method of Pipe Flared Power supply V Ph Hz 220 240 1 50 INDOOR Fan type quantity Crossflow x 1 Fan speeds H M L RPM 1200 1050 850 Air flow 1 H M L m3 h...

Page 17: ...CI Specifications Model Indoor Unit PRIME018 DCI Installation Method of Pipe Flared Power supply V Ph Hz 220 240 1 50 INDOOR Fan type quantity Crossflow x 1 Fan speeds H M L RPM 1230 1100 900 Air flow...

Page 18: ...I Specifications Model Indoor Unit HAD012 DCI Installation Method of Pipe Flared Power supply V Ph Hz 220 240 1 50 INDOOR Fan type quantity Crossflow x 1 Fan speeds H M L RPM 1150 950 750 Air flow 1 H...

Page 19: ...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 20: ...NTAKE AIR INTAKE AIR OUTLET 210 285 811 CEELING 8 0 83 0 167 5 100 0 MIN 83 0 8 0 18 5 30 0 MOUTING PLATE OUTLINE MOUNTING TEMPLATE TO BE USED FOR LOCATION OF INDOOR UNIT ON THE WALL 167 5 810 0 INDOO...

Page 21: ...GB 4 3 Indoor Unit CK009 CK012 CK018 DCI 4 4 Indoor Unit SX009 SX012 SX018 DCI Unit Model Main unit A Insulation B Front Step C Front width D Front height E Effective Height H 25 35 219 2 9 625 725 4...

Page 22: ...S SM YAZDCI 1 A 1 GB 4 5 Indoor Unit DLF009 DLF012 DLF018 DCI 4 6 Indoor Unit XLF009 XLF012 DCI A C 565 B 629 640 With air filter 59 21 200 27 160 59 Nominal Capacity A B C 2 5 5 0 kW 750 696 790 6 0...

Page 23: ...4 4 OUTLINE DIMENSIONS SM YAZDCI 1 A 1 GB 4 7 Indoor Unit DLS018 DCI Model A B C D E F G H I J K L DLF018 DCI 790 653 749 758 797 256 195 702 599 684 162 242 4 8 Indoor Units PRIME009 DCI...

Page 24: ...s PRIME018 DCI 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 FOR REAR LEFT ROU...

Page 25: ...4 6 OUTLINE DIMENSIONS SM YAZDCI 1 A 1 GB 4 11 Indoor Unit HAD009 DCI 4 12 Indoor Units HAD012 DCI...

Page 26: ...4 7 OUTLINE DIMENSIONS SM YAZDCI 1 A 1 GB 378 48 527 865 950 340 AIR INTAKE AIR OUTLET 4 13 Outdoor Units YAZ3 24 YAZ4 30 DCI...

Page 27: ...73 1 823 683 2 541 3 35 A 25 50 2 49 4 98 7 47 1 86 9 00 2 251 659 3 046 3 32 A 35 35 3 53 3 53 7 06 1 86 9 00 2 120 683 2 246 3 33 A 35 50 2 99 4 48 7 47 1 86 9 00 2 251 659 3 055 3 32 A 25 25 25 2...

Page 28: ...9 20 1 43 10 10 2 514 622 2 737 3 66 A 35 35 4 09 4 09 8 18 1 43 9 80 2 191 649 2 711 3 73 A 35 50 3 68 5 52 9 20 1 43 10 50 2 514 622 2 871 3 66 A 25 25 25 3 07 3 07 3 07 9 20 2 06 10 99 2 310 804 3...

Page 29: ...2 445 915 2 899 3 22 A 25 25 50 2 00 2 00 4 01 8 01 2 90 9 00 2 466 928 2 851 3 25 A 25 35 35 2 17 2 90 2 90 7 97 2 90 9 00 2 445 915 2 851 3 26 A 25 35 50 1 87 2 50 3 74 8 11 2 90 9 00 2 476 928 2 8...

Page 30: ...45 2 45 4 90 9 80 2 06 11 00 2 144 646 2 883 4 57 A 25 35 35 2 67 3 56 3 56 9 78 2 06 11 00 2 246 671 2 874 4 35 A 25 35 50 2 26 3 01 4 51 9 78 2 14 11 00 2 082 646 2 731 4 70 A 35 35 35 3 26 3 26 3...

Page 31: ...5 1 11 1 17 SC 0 98 1 00 1 03 1 05 1 07 PI 0 88 0 89 0 91 0 92 0 94 35 TC 0 87 0 94 1 00 1 06 1 13 SC 0 96 0 98 1 00 1 02 1 04 PI 0 97 0 99 1 00 1 02 1 03 40 TC 0 83 0 89 0 95 1 02 1 08 SC 0 93 0 95 0...

Page 32: ...2 TC 0 79 0 75 0 70 PI 0 86 0 92 0 98 2 1 TC 0 81 0 76 0 72 PI 0 89 0 95 1 01 7 6 TC 1 04 1 00 0 96 PI 0 94 1 00 1 06 10 9 TC 1 10 1 06 1 01 PI 1 00 1 06 1 12 15 12 TC 1 16 1 12 1 07 PI 1 05 1 11 1 17...

Page 33: ...0 92 0 98 1 05 1 11 1 17 SC 0 98 1 00 1 03 1 05 1 07 PI 0 88 0 89 0 91 0 92 0 94 35 TC 0 87 0 94 1 00 1 06 1 13 SC 0 96 0 98 1 00 1 02 1 04 PI 0 97 0 99 1 00 1 02 1 03 40 TC 0 83 0 89 0 95 1 02 1 08 S...

Page 34: ...2 TC 0 79 0 75 0 70 PI 0 86 0 92 0 98 2 1 TC 0 81 0 76 0 72 PI 0 89 0 95 1 01 7 6 TC 1 04 1 00 0 96 PI 0 94 1 00 1 06 10 9 TC 1 10 1 06 1 01 PI 1 00 1 06 1 12 15 12 TC 1 16 1 12 1 07 PI 1 05 1 11 1 17...

Page 35: ...99 1 05 1 11 1 17 SC 1 01 1 03 1 04 1 06 1 07 PI 0 86 0 88 0 90 0 91 0 93 35 TC 0 88 0 94 1 00 1 06 1 12 SC 0 97 0 98 1 00 1 02 1 03 PI 0 97 0 98 1 00 1 02 1 03 40 TC 0 83 0 89 0 95 1 01 1 07 SC 0 93...

Page 36: ...3 PI 0 89 0 94 0 99 2 1 TC 0 80 0 74 0 67 PI 0 92 0 97 1 02 7 6 TC 1 07 1 00 0 93 PI 0 95 1 00 1 05 10 9 TC 1 12 1 06 0 99 PI 0 97 1 02 1 07 15 12 TC 1 18 1 11 1 04 PI 0 99 1 04 1 09 15 24 TC 85 105 o...

Page 37: ...0 92 0 98 1 05 1 11 1 17 SC 0 98 1 00 1 03 1 05 1 07 PI 0 88 0 89 0 91 0 92 0 94 35 TC 0 87 0 94 1 00 1 06 1 13 SC 0 96 0 98 1 00 1 02 1 04 PI 0 97 0 99 1 00 1 02 1 03 40 TC 0 83 0 89 0 95 1 02 1 08 S...

Page 38: ...2 TC 0 79 0 75 0 70 PI 0 86 0 92 0 98 2 1 TC 0 81 0 76 0 72 PI 0 89 0 95 1 01 7 6 TC 1 04 1 00 0 96 PI 0 94 1 00 1 06 10 9 TC 1 10 1 06 1 01 PI 1 00 1 06 1 12 15 12 TC 1 16 1 12 1 07 PI 1 05 1 11 1 1...

Page 39: ...0 TC 0 92 0 98 1 05 1 11 1 17 SC 0 98 1 00 1 03 1 05 1 07 PI 0 88 0 89 0 91 0 92 0 94 35 TC 0 87 0 94 1 00 1 06 1 13 SC 0 96 0 98 1 00 1 02 1 04 PI 0 97 0 99 1 00 1 02 1 03 40 TC 0 83 0 89 0 95 1 02 1...

Page 40: ...2 TC 0 79 0 75 0 70 PI 0 86 0 92 0 98 2 1 TC 0 81 0 76 0 72 PI 0 89 0 95 1 01 7 6 TC 1 04 1 00 0 96 PI 0 94 1 00 1 06 10 9 TC 1 10 1 06 1 01 PI 1 00 1 06 1 12 15 12 TC 1 16 1 12 1 07 PI 1 05 1 11 1 1...

Page 41: ...9 1 05 1 11 1 17 SC 1 01 1 03 1 04 1 06 1 07 PI 0 86 0 88 0 90 0 91 0 93 35 TC 0 88 0 94 1 00 1 06 1 12 SC 0 97 0 98 1 00 1 02 1 03 PI 0 97 0 98 1 00 1 02 1 03 40 TC 0 83 0 89 0 95 1 01 1 07 SC 0 93 0...

Page 42: ...76 0 70 0 63 PI 0 89 0 94 0 99 2 1 TC 0 80 0 74 0 67 PI 0 92 0 97 1 02 7 6 TC 1 07 1 00 0 93 PI 0 95 1 00 1 05 10 9 TC 1 12 1 06 0 99 PI 0 97 1 02 1 07 15 12 TC 1 18 1 11 1 04 PI 0 99 1 04 1 09 15 24...

Page 43: ...76 0 81 0 86 0 91 0 96 1 01 1 06 0 5 10 15 20 25 30 Tubing Length m Capacity Ratio Tubing Length Capacity Ratio Heating 1 Unit 0 76 0 81 0 86 0 91 0 96 1 01 1 06 0 5 10 15 20 25 30 Tubing Length m Ca...

Page 44: ...dition Factor FC Tubing L Factor FT Corrected Capacity KW CA D Room A PNX009 1 43 1 00 0 92 0 95 CA 1 43x1 00x0 92x0 95 1 25 Room B PNX012 1 91 1 00 0 92 0 985 CB 1 91x1 00x0 92x0 985 1 73 Room C CK01...

Page 45: ...Technician Mode WNG25 25 25 5m each 15 0 20 0 25 0 30 0 35 0 40 0 10 15 20 25 30 35 40 45 Outdoor DB Temperature C Bar g 32 23 29 21 27 19 24 17 22 15 Suction Pressure Cooling Technician Mode WNG25 2...

Page 46: ...25 5m each 10 00 12 00 14 00 16 00 18 00 20 00 22 00 24 00 26 00 28 00 30 00 32 00 34 00 15 10 5 0 5 10 15 20 Outdoor DB Temperature C Bar g 25 20 15 Suction Pressure Heating Technician Mode WNG25 25...

Page 47: ...97 4 5 1 07 1 02 0 99 0 95 5 1 09 1 02 0 98 0 93 Tubing Length Pressure Ratio Cooling Cooling Ps Cooling Pd 0 98 0 99 1 00 1 01 1 02 0 10 20 30 40 50 Total Tubing Lengtht m Suction Pressure Ratio 0 9...

Page 48: ...charge Pressure PNX009 DCI 1 00 1 00 1 00 1 00 PNX012 DCI 1 00 1 00 1 00 1 00 PNX018 DCI 1 00 1 00 1 00 1 00 CK009 DCI 1 01 1 00 1 02 1 17 CK012 DCI 1 08 1 02 1 01 1 11 CK018 DCI 0 87 1 00 1 00 0 69 S...

Page 49: ...Mode WNG25 25 25 25 5m each 15 0 20 0 25 0 30 0 35 0 40 0 10 15 20 25 30 35 40 45 Outdoor DB Temperature C Bar g 32 23 29 21 27 19 24 17 22 15 Suction Pressure Cooling Technician Mode WNG25 25 25 25...

Page 50: ...25 25 25 5m each 10 00 12 00 14 00 16 00 18 00 20 00 22 00 24 00 26 00 28 00 30 00 15 10 5 0 5 10 15 20 Outdoor WB Temperature C Bar g 25 20 15 Suction Pressure Heating Technician Mode WNG25 25 25 25...

Page 51: ...05 1 02 0 99 0 97 6 1 07 1 02 0 98 0 96 Tubing Length Pressure Ratio Cooling Cooling Ps Cooling Pd 0 98 0 99 1 00 1 01 1 02 0 10 20 30 40 50 60 70 Total Tubing Lengtht m Suction Pressure Ratio 0 98 0...

Page 52: ...charge Pressure PNX009 DCI 1 00 1 00 1 00 1 00 PNX012 DCI 1 00 1 00 1 00 1 00 PNX018 DCI 1 00 1 00 1 00 1 00 CK009 DCI 1 00 0 99 1 02 1 16 CK012 DCI 1 00 0 99 1 00 1 11 CK018 DCI 0 97 0 99 0 98 0 78 S...

Page 53: ...ons Oudoor 30 CDB Tubing length 20m 10m 5m 25m 60m Cooling Pressure calculation Pressure Barg Nominal x FC x FT Unit Code Room A PNX009 1 0 Room B PNX012 1 5 Room C CK012 1 5 Room D PNX018 2 0 ODU Cod...

Page 54: ...ing Current 11 A Circuit breaker 25 A Power supply wiring No x cross section 3 X 2 5 mm2 Interconnecting cable No x cross section 4 X 1 5 mm2 For each IDU Note Inrush current is the current when power...

Page 55: ...A IDU B IDU C IDU D Flash Port IDUD BU BN N P201 CN301 Self Test J101 GREEN RED IDUB DMSMP IDUC P205 P204 CN302 YELLOW CN401 WHITE IDUA P203 P202 RLT CN402 RED CN303 WHITE CN304 CN503 WHITE RX TX GND...

Page 56: ...9 1 REFRIGERATION DIAGRAMS SM YAZDCI 1 A 1 GB 9 REFRIGERATION DIAGRAMS 9 1 YAZ3 24 DCI YAZ4 30 DCI Outdoor Unit Refrigerant System Diagram OMT...

Page 57: ...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 58: ...e sensor Hz Hertz 1 sec electrical frequency ICT Indoor Coil Temperature RT2 sensor IDU Indoor Unit MCU Micro Controller Unit OAT Outdoor Air Temperature sensor OCT ODU Coil Temperature sensor OMT Out...

Page 59: ...pressor 11 2 3 Outdoor Fan DC brushless motor 11 2 4 RV Reverse Valve set the direction of refrigerant flow in the system thus setting the operation mode for cooling or heating When the solenoid is po...

Page 60: ...o 7 11 13 to19 24 to 26 28 to 29 311 Alarm output will be OFF when the Fault Protection is cleared 11 2 8 Temperature Sensors CTT Compressor Top Temperature OAT Outdoor Air Temperature OMT Outdoor mid...

Page 61: ...llowed Maximum Allowed 1 2 2 2 2 4 3 3 5 5 4 4 6 Whenever the sum of the IDU code is outside the range the unit will be forced to Idle Mode and report Mismatch between IDU and ODU models If the unit i...

Page 62: ...n with Indoor Units 11 3 2 1 Communication Failures Definition Two types of communication failures are diagnosed The communication failures are checked separately for each IDU channel 11 3 2 1 1 Bad C...

Page 63: ...to update the S W 11 4 Indoor Unit Control 11 4 1 Indoor Fan Control 10 Indoor fan speeds are determined for each model 5 speeds for each mode cool dry fan or heat When user sets the indoor fan speed...

Page 64: ...d Compensation Disabled Compensation Enabled Cassette Compensation Enabled Compensation Disabled Ducted Compensation Enabled Compensation Disabled Floor Ceiling Compensation Disabled Compensation Enab...

Page 65: ...or Heating in pre set temperature according to the following table Forced operation Mode Pre set Temperature Cooling 200 C Heating 280 C 11 4 12 On Unit Controls and Indicators 11 4 12 1 All Models E...

Page 66: ...d Heat Mode by using the Mode Switch on the unit FAN MODE INDICATOR Lights up in Fan Mode activated by local switches FAN SPEED INDICATORS L Lights up when IFAN setting is Low M Lights up when IFAN se...

Page 67: ...current operation mode 2 Priority unit If an IDU is defined as a priority unit the operational mode will be defined according to that unit request unless the unit is at STBY mode In case priority unit...

Page 68: ...sed on a PI control scheme The actual NLOAD to be sent to the outdoor unit controller is based on the preliminary LOAD calculation the indoor fan speed and the power shedding function NLOAD limits as...

Page 69: ...Trio 3 Indoor Unit1 NLOAD1 Code1 15 5 15 ODUCode Ambient temp 2 24 21 A B C D E Point ODUCodeH A B C D E 1 8 2 2 7 4 2 4 9 Compressor speed will be set between the minimum speed and the max speed acc...

Page 70: ...or stops or unit is power on the following is performed immediately All EEV s are set to 400 They remain in this position for 80 Sec Then close to 60 steps below 0 to ensure full closure then proceed...

Page 71: ...is a failure in OFAN Whenever OFAN fault occurs the compressor will be stopped immediately 11 5 4 2 Protection Behavior In cool mode the OFAN will operate according to CTT or HST protection level Prot...

Page 72: ...D1 D2 D2 2 ICT 4 SR SR SR D1 D2 4 ICT 6 Norm Norm SR SR D1 6 ICT 8 Norm Norm Norm SR SR 8 ICT Normal 11 5 7 3 2 Indoor Coil over Heating Protection ICT ICT Trend Fast Decreasing Decreasing No Change I...

Page 73: ...e 5 NLOAD 0 AND OCT OAT DST Case 6 OAT is invalid AND OCT DST AND TLD DI AND Compressor ON Time CTMR minutes OCT Outdoor Coil Temperature OAT Outdoor Air Temperature TLD Time from Last Deicing DI Deic...

Page 74: ...ns 1 When it is shorted with P4 0 When it is not shorted to P4 11 5 9 1 3 Levels Logic used in floor ceiling models P2 P3 Level 0 0 L0 1 0 L1 1 1 L2 3 0 1 L4 Water Level ANY 0 BLINK NLOAD OPER LED LEV...

Page 75: ...rately in cooling mode Detect a temperature drop on the indoor unit Based on the temperature drop the system can match the tube to the indoor unit 11 6 3 Test Rules Before starting the installation te...

Page 76: ...there is no need for label Set the number of the connected installed indoor units 2 Elect nID number under it the selected number blinks The factory setting value is 4 Enter installation test by eith...

Page 77: ...stem Display indoor or outdoor fault as in diagnostics Check indoor and outdoor diagnostics ICT disconnected will be tested during the first 3 minutes of installation test Note When the system termina...

Page 78: ...A b c d w can be c is closed 1 o is open 2 oc is either close or open 3 x C_ x is the wire name 1 2 3 4 C_ is unknown communication channel x C_ is the system does not know where to move wire x Possib...

Page 79: ...now where to put wire 4 EA o EEV of channel A is always open Eb o EEV of channel B is always open 7 8 HMI Display Technician Interpretation 1 CA Keep wire 1 in communication channel CA 2 Cb Keep wire...

Page 80: ...DONE THROUGH THE UP AND DOWN BUTTONS DEFINITIONS Term Definition F Clogged EEV EEV Coil problem EEV driver problem Clogged indoor unit or part of it Problem in ICT sensor Extremely high load at the in...

Page 81: ...H menus o 60 minutes are passed from entering o 11 8 User Interface 11 8 1 User interface description The user interface uses three 7 segments and 4 keys o Keys The 4 keys are o Scroll used to scroll...

Page 82: ...IDU IDU ODU ODU Timer Tr Notes The default presentation will be alternating repeatedly among the following for single and 1 multi split units id the number of communicative IDUs number shown for 2 se...

Page 83: ...l or heat menus are selected operative it will be blinking constantly until this menu is escaped 8 When the installation test is begins the system will show up count down based refer to the installati...

Page 84: ...Us nID Operation Mode Opr OFAN OFN RV HP Compressor Speed SPD CTT CTT OMT OT OCT OCT OAT OAT HST HST RGT1 RGA RGT2 RGB RGT3 RGC RGT4 RGD RLT1 RLA RLT2 RLB RLT3 RLC RLT4 RLD EEV A EEA EEV B EEB EEV C E...

Page 85: ...ON ON OFF OFF AB ON ON ON OFF ON AC ON ON ON ON OFF AD ON ON ON ON ON AE 11 10 System Parameters 11 10 1 General parameters Name Default Value Units 1 MinOFFTime 3 Minute 2 MinONTime 3 minute 3 HzDown...

Page 86: ...nFreqH 20 Hz 4 MaxFreqH 95 Hz 5 LoadDeadZone In Text 6 ODUCodeC In Text 7 ODUCodeH In Text 8 EEVBase In Text 9 EEVCpctyCrct In Text 10 Step1Freq 40 Hz 11 Step2Freq 60 Hz 12 Step3Freq 75 Hz 13 OFMinRPM...

Page 87: ...rs defining the indoor fan speed as a function of Indoor Coil temperature in heat mode ICT 11 10 3 1 1 Parameters for defrost protection ICTST Speed ICT to stop indoor fan 25 ICTVLSpeed ICT to go down...

Page 88: ...0 40 40 40 40 N A N A MaxNLOADIF2C 53 53 62 53 53 60 53 56 60 N A N A MaxNLOADIF3C 120 120 120 120 120 90 120 90 90 N A N A MaxNLOADIF4C 127 127 127 127 127 90 127 90 90 N A N A MaxNLOADIF5C 127 127 1...

Page 89: ...ds to remote control message but Operate indicator Green LED does not light up Problem with display PCB Replace display PCB If still not OK replace controller 4 Indoor fan does not start louvers are o...

Page 90: ...3 below Refrigerant leakage Check refrigeration system 12 2 13 Not all units are operating Communication problems Check diagnostics see 12 3 below 14 Compressor does not start Electronics control pro...

Page 91: ...No Problem AO 5 4 3 2 1 1 OCT is shorted disconnected Yes 0 0 0 0 1 2 CTT is shorted disconnected Yes 0 0 0 1 0 3 HST is shorted disconnected Yes 0 0 0 1 1 4 OAT is shorted disconnected Yes 0 0 1 0 0...

Page 92: ...e compressor is below operable value Check AC input line voltage RMS value it should read above 198VAC If voltage is above 198VAC and DC under voltage error is continuous display replace controller 14...

Page 93: ...g multimeter Resistance value should be below 1 OHM If multimeter display high resistance replace DC FAN motor Return controller if error is persistent 26 Compressor Lock No correct drive current can...

Page 94: ...TO Master Slave Slave Slave Channel LED Ri has communication The relevant LEDi will be ON Ri has no communication The relevant LEDi will be Off Damage Outdoor Indoors no com LED1 LED2 LED3 LED4 LEDO H...

Page 95: ...the following table No Fault Name 5 4 3 2 1 1 RT 1 is disconnected 0 0 0 0 1 2 RT 1 is shorted 0 0 0 1 0 3 RT 2 is disconnected 0 0 0 1 1 4 RT 2 is shorted 0 0 1 0 0 Reserved 0 0 1 0 1 7 Communication...

Page 96: ...he Mains voltage is between 198 and 264 VAC If Mains voltage is out of this range abnormal operation of the system is expected If in range check the Power Circuit Breaker and look for broken or loosed...

Page 97: ...f the EEV parts perform the installation test check 11 6 and if fails and no other indications in the diagnostics than the problem is with the EEV one or more Drive a step motor ringed on the valve Ch...

Page 98: ...age in Outdoor unit controller Whole controller including the wires connected to the Outdoor unit controller may have the potential hazard voltage when power is on Touching the Outdoor unit controller...

Page 99: ...13 1 EXPLODED VIEWS AND SPARE PARTS LISTS SM YAZDCI 1 A 1 GB 13 EXPLODED VIEWS AND SPARE PARTS LISTS 13 1 Outdoor Unit YAZ3 24 DCI...

Page 100: ...1 27 453175500 Guard Net Painting Assy 1 28 453083800 Support OAT 1 29 204107 Cable clip Nylon 5 30 453031700 10 Poles Terninal Block 1 31 453256700 Support Painting Assy Electrical Box 1 32 467300184...

Page 101: ...7300005 Display Board Assy 1 25 453031800 3 Poles Terminal Block 1 26 4526774 Outdoor Air Thermistor OAT 1 27 453175500 Guard Net Painting Assy 1 28 453083800 Support OAT 1 29 204107 Cable Clip Nylon...

Page 102: ...00 Guard Net Painting Assy 1 28 453083800 Support OAT 1 29 204107 Cable clip Nylon 5 30 453031700 10 Poles Terninal Block 1 31 453256700 Support Painting Assy Electrical Box 1 32 467300184R Controller...

Page 103: ...14 1 APPENDIX A SM YAZDCI 1 A 1 GB APPENDIX A INSTALLATION AND OPERATION MANUAL INSTALLATION MANUAL YAZ3 24 YAZ4 30 DCI...

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