Airwell PNXA 12 DCI Service Manual Download Page 34

Page: 34 / 108

5-18

SM PNXADCI 1-A.1 GB

5.9.5

Model: PNXA 24 / YBD 024 Cooling

— Test Mode

Discharge Pressure vs. Outdoor Temperature

1500

1750

2000

2250

2500

2750

3000

3250

3500

3750

Outdoor DB Temperature

Discharge Pressure [kPa]

22/15

24/17

27/19

29/21

32/23

Indoor

DB/WB

Suction Pressure vs. Outdoor Temperature

600

700

800

900

1000

Outdoor DB Temperature

Suction Pressure [kPa]

22/15

24/17

27/19

29/21

32/23

Indoor

DB/WB

Summary of Contents for PNXA 12 DCI

Page 1: ...XA DCI Series Indoor Units Outdoor Units PNXA 9 DCI GC 9 DCI PNXA 12 DCI GC 12 DCI PNXA 18 DCI YBD 018 PNXA 21 DCI YBD 022 PNXA 24 DCI YBD 024 APRIL 2012 REFRIGERANT R410A HEAT PUMP SM PNXADCI 1 A 1 G...

Page 2: ...e Original 0 September 2007 Total number of pages in this publication is 108 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 4 1 2 1 2 5 1...

Page 3: ...NCE 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 ELECTRICAL CONNECTIONS 10 1 11 CONTROL SYSTEM PNXA9 PNXA12 11...

Page 4: ...U FRQWDFW IRU FORFN RU SRZHU VKHGGLQJ IXQFWLRQV FRQ JXUDEOH Base heater connection Cooling operation at outdoor temperature down to 10 C Heating operation at outdoor temperature down to 15 C Supports...

Page 5: ...HQWV integrated into the indoor unit generating negative ions to the room SroYLGLQJ FRPIRUW DQG XSJUDGHG LQGRRU DLU TXDOLWy 1 6 Control The PLFURSURFHVVRU indoor controller and an LQIUDUHG remote cont...

Page 6: ...2 Outdoor Unit Feature 1 8 Tubing Connections Flare type interconnecting tubing to be produced on site For further details please refer to the Installation Manual 1 9 Accessories Item Description MIU...

Page 7: ...UCTION SM PNXADCI 1 A 1 GB 1 11 Matching Table 1 11 1 R410A OUTDOOR UNITS INDOOR UNITS MODEL REFR PNXA 9 PNXA 12 PNXA 18 PNXA 21 PNXA 24 GC 9 DCI R410A GC 12 DCI R410A YBD 018 R410A YBD 022 R410A YBD...

Page 8: ...et Weight kg 11 5 Package dimensions D mm Packaged weight kg 14 Units per pallet units 28 Stacking height units 7 levels OUTDOOR Refrigerant control OHFWURQLFDO SDQVLRQ Valve Compressor type model Sin...

Page 9: ...t kg 11 5 Package dimensions mm Packaged weight kg 14 Units per pallet units 28 Stacking height units 7 levels OUTDOOR Refrigerant control OHFWURQLFDO SDQVLRQ Valve Compressor type model Single Rotary...

Page 10: ...200 1050 900 LU RZ 2 H M L P KU 850 760 620 WHUQDO VWDWLF SUHVVXUH 0LQ 0D Pa 0 6RXQG SRZHU OHYHO 3 H M L dB A 55 51 47 6RXQG SUHVVXUH OHYHO 4 H M L dB A 43 39 34 0RLVWXUH UHPRYDO O KU 2 Condenstate dr...

Page 11: ...1 8 1 g k t h g i e w d e g a k c a P t e l l a p r e p s t i n u 6 1 s t i n u t e l l a p r e p s t i n U s l e v e l 8 s t i n u t h g i e h g n i k c a t S OUTDOOR Refrigerant control EEV Compress...

Page 12: ...ckage dimensions mm 11 Packaged weight kg 18 Units per pallet units 16 Stacking height units 8 levels OUTDOOR Refrigerant control EEV Compressor type model Two Rotary SANYO C 7RZ233H1A Fan type quanti...

Page 13: ...d units 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 3 1 1 R410A Indoor Outdoor Cooling Upper limit 32o C DB 23o C WB 46o C D...

Page 14: ...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 15: ...4 2 S N O I S N E M I D E N I L T U O SM PNXADCI 1 A 1 GB 4 3 Indoor Unit PNXA 18 21 24 4 4 Outdoor Unit YBD 022 1060 221 295...

Page 16: ...4 3 OUTLINE DIMENSIONS SM PNXADCI 1 A 1 GB 4 5 Outdoor Unit YBD 024...

Page 17: ...41 TC 2 34 2 48 2 63 2 77 2 92 SC 1 65 1 67 1 70 1 72 1 75 30 PI 0 43 0 44 0 45 0 46 0 46 TC 2 21 2 36 2 50 2 65 2 79 SC 1 58 1 60 1 63 1 66 1 68 35 PI 0 48 0 49 0 50 0 51 0 52 TC 2 08 2 23 2 37 2 52...

Page 18: ...C 2 29 2 10 1 90 1 2 PI 0 54 0 57 0 60 TC 2 40 2 21 2 01 2 1 PI 0 55 0 58 0 61 TC 3 20 3 00 2 80 7 6 PI 0 57 0 60 0 63 TC 3 36 3 17 2 97 10 9 PI 0 58 0 61 0 64 TC 3 53 3 33 3 13 15 12 PI 0 59 0 62 0 6...

Page 19: ...to Tubing Length 5 2 1 Cooling 0 91 0 92 0 93 0 94 0 95 0 96 0 97 0 98 0 99 1 00 1 01 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 Tubing Length m Capacity Ratio 5 2 2 Heating 0 90 0 92 0 94 0 96 0...

Page 20: ...0 0 72 TC 3 27 3 47 3 68 3 88 4 08 SC 2 40 2 44 2 48 2 51 2 55 30 PI 0 75 0 76 0 78 0 79 0 81 TC 3 09 3 30 3 50 3 70 3 91 SC 2 31 2 34 2 38 2 42 2 45 35 PI 0 84 0 86 0 87 0 88 0 90 TC 2 92 3 12 3 32 3...

Page 21: ...2 53 1 2 PI 0 89 0 94 0 99 TC 3 20 2 94 2 68 2 1 PI 0 92 0 97 1 02 TC 4 26 4 00 3 74 7 6 PI 0 95 1 00 1 05 TC 4 48 4 42 3 96 10 9 PI 0 97 1 02 1 07 TC 4 70 4 44 4 18 15 12 PI 0 99 1 04 1 09 15 24 l a...

Page 22: ...n Factor Due to TUbing Length 5 4 1 Cooling 0 91 0 92 0 93 0 94 0 95 0 96 0 97 0 98 0 99 1 00 1 01 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 Tubing Length m Capacity Ratio 5 4 2 Heating 0 90 0 92...

Page 23: ...0 TC 4 67 4 96 5 25 5 54 5 83 SC 3 94 4 00 4 06 4 12 4 18 PI 1 18 1 20 1 23 1 25 1 27 35 TC 4 42 4 71 5 00 5 29 5 58 SC 3 78 3 84 3 90 3 96 4 02 PI 1 32 1 35 1 37 1 39 1 42 40 TC 4 17 4 46 4 75 5 04 5...

Page 24: ...C 4 28 3 91 3 55 PI 1 30 1 38 1 45 2 1 TC 4 49 4 12 3 75 PI 1 34 1 41 1 48 7 6 TC 5 97 5 60 5 23 PI 1 39 1 46 1 53 10 9 TC 6 28 5 91 5 54 PI 1 41 1 49 1 56 15 12 TC 6 59 6 22 5 85 PI 1 44 1 51 1 59 15...

Page 25: ...4 46 4 53 4 60 4 67 4 74 PI 1 57 1 60 1 63 1 66 1 69 35 TC 5 30 5 65 6 00 6 35 6 70 SC 4 28 4 35 4 42 4 49 4 56 PI 1 76 1 79 1 82 1 85 1 88 40 Protection Range TC 5 00 5 35 5 70 6 05 6 39 SC 4 10 4 17...

Page 26: ...1 2 TC 4 82 4 40 3 99 PI 1 52 1 60 1 69 2 1 TC 5 05 4 63 4 22 PI 1 56 1 64 1 73 7 6 TC 6 71 6 30 5 89 PI 1 62 1 70 1 79 10 9 TC 7 06 6 65 6 24 PI 1 65 1 73 1 82 15 12 TC 7 41 7 00 6 58 PI 1 68 1 76 1...

Page 27: ...4 85 4 92 5 00 5 07 5 15 PI 1 94 1 98 2 01 2 05 2 09 35 TC 6 01 6 41 6 80 7 19 7 59 SC 4 65 4 73 4 80 4 87 4 95 PI 2 17 2 21 2 25 2 29 2 33 40 Protection Range TC 5 67 6 06 6 46 6 85 7 25 SC 4 45 4 53...

Page 28: ...C 5 81 5 31 4 81 PI 2 10 2 22 2 33 2 1 TC 6 09 5 59 5 09 PI 2 15 2 27 2 39 7 6 TC 8 10 7 60 7 10 PI 2 23 2 35 2 47 10 9 TC 8 52 8 02 7 52 PI 2 28 2 39 2 51 15 12 TC 8 94 8 44 7 94 PI 2 32 2 44 2 55 15...

Page 29: ...or Due to Tubing Length 5 8 1 Cooling 5 8 2 Heating 0 86 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 0 84 0 86 0 88 0 90 0 92 0 94 0 9...

Page 30: ...ssure VS Outdoor Temp 500 600 700 800 900 1000 1100 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...

Page 31: ...re VS Outdoor Temp 200 300 400 500 600 700 800 900 1000 1100 15 10 5 0 5 10 15 Outdoor WB Temperature C Suction Pressure kPa 15 20 25 Indoor DB Discharge Pressure VS Outdoor Temp 1000 1500 2000 2500 3...

Page 32: ...Outdoor Temp 500 600 700 800 900 1000 1100 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 1000...

Page 33: ...e VS Outdoor Temp 200 300 400 500 600 700 800 900 1000 1100 15 10 5 0 5 10 15 Outdoor WB Temperature C Suction Pressure kPa 15 20 25 Indoor DB Discharge Pressure VS Outdoor Temp 1000 1500 2000 2500 30...

Page 34: ...tdoor Temperature 1500 1750 2000 2250 2500 2750 3000 3250 3500 3750 10 15 20 25 30 35 40 45 Outdoor DB Temperature Discharge Pressure kPa 22 15 24 17 27 19 29 21 32 23 Indoor DB WB Suction Pressure vs...

Page 35: ...perature 300 400 500 600 700 800 900 1000 1100 1200 15 10 5 0 5 10 15 Outdoor WB Temperature Suction Pressure kPa 15 20 25 Discharge Pressure vs Outdoor Temperature 1500 1750 2000 2250 2500 2750 3000...

Page 36: ...perature 600 680 760 840 920 1000 10 15 20 25 30 35 40 45 Outdoor DB Temperature Suction Pressure kPa 22 15 24 17 27 19 29 21 32 23 Indoor DB WB Discharge Pressure vs Outdoor Temperature 1500 1700 190...

Page 37: ...mperature 250 350 450 550 650 750 850 950 1050 15 10 5 0 5 10 15 Outdoor WB Temperature Suction Pressure kPa 15 20 25 Indoor DB Discharge Pressure vs Outdoor Temperature 1750 1900 2050 2200 2350 2500...

Page 38: ...mperature 600 680 760 840 920 1000 10 15 20 25 30 35 40 45 Outdoor DB Temperature Suction Pressure kPa 22 15 24 17 27 19 29 21 32 23 Indoor DB WB Discharge Pressure vs Outdoor Temperature 1500 1700 19...

Page 39: ...mperature 250 350 450 550 650 750 850 950 1050 15 10 5 0 5 10 15 Outdoor WB Temperature Suction Pressure kPa 15 20 25 Indoor DB Discharge Pressure vs Outdoor Temperature 1750 1900 2050 2200 2350 2500...

Page 40: ...l Hz AND CE TER FREQUENC ES APPROXIMATE THRESHOLD OF HEARING FOR CONTINUOUS NOISE 70NC 60NC 50NC 40NC 30NC 20NC L E V L E R U S E R P N U S N A B E V T C O e r B d 2 0 0 R A O R C I M Hz AND CE TER FR...

Page 41: ...H C L E V E L D N U O S SM PNXADCI 1 A 1 GB PNXA 24 FLO 30 BAND CENTER FREQUENCIES Hz APPROXIMATE THRESHOLD OF HEARING FOR CONTINUOUS NOISE NC 70 NC 60 NC 50 NC 40 NC 30 NC 20 OCTAVE BAND SOUND PRESSU...

Page 42: ...EVEL CHARACTERISTICS SM PNXADCI 1 A 1 GB 6 3 Outdoor units 6 4 Sound Pressure Level Spectrum Measured as Figure 2 GC 9 DCI Cooling GC 9 DCI Heating GC 12 DCI Cooling GC 12 DCI Heating 1m Mic Unit Grou...

Page 43: ...BAR BAND CENTER FREQUENCIES Hz APPROXIMATE THRESHOLD OF HEARING FOR CONTINUOUS NOISE NC 70 NC 60 NC 50 NC 40 NC 30 NC 20 OCTAVE BAND SOUND PRESSURE LEVEL dB re 0 002 MICRO BAR BAND CENTER FREQUENCIES...

Page 44: ...6 5 SOUND LEVEL CHARACTERISTICS SM PNXADCI 1 A 1 GB Sound Pressure Level Spectrum Measured as Figure 2 YBD 024 Cooling YBD 024 Heating...

Page 45: ...15A 15 7A Inrush Current a 35A 45 A 35A Starting Current b 10A 13 5 A 15A 15 7A Circuit Breaker 16A 20 A Power Supply 3 X 1 5 mm 3 X 2 5 mm Interconnecting cable 4 X 1 5 mm 4 X 2 5 mm a Inrush curren...

Page 46: ...3 W COMP ODU CONTROLLER PCBA P101 P501P502 N L U RED BRN V JP602 2 1 4 3 FUSE Y G EARTH P105 FERRITE CORE RED BROWN BLUE 6 EEV P605 4 5 6 2 3 1 5 C 5 N 3 L 4 OUTDOOR UNIT CIRCUIT DIAGRAM P103 1 2 2 BA...

Page 47: ...P3 Indoor unit controller PCB P22 P20 P5 white red P4 P2 P8 Red 1 megatool P7 P13 4 2 3 8 7 1 P6 White P12 P10 Red Ionizer power out red 6 M Ionizer ESF power out M1 ESF M2 1 2 P24 9 10 P1 Dry contact...

Page 48: ...CN601 OFAN P601 3 5 4 6 2 1 EEV ODU3 OFF 3 5 4 2 1 ODU MODEL SETTING AUX OMT OAT 2 4 3 1 2 4 3 1 OCT CTT 2 1 1 3 2 P701 P801 P803 P802 FB L 0 N 0 M2L MSMP PWR CCH P108 RED P107 WHITE TO AC MAINS FOR P...

Page 49: ...EFRIGERATION DIAGRAMS SM PNXADCI 1 A 1 GB 9 REFRIGERATION DIAGRAMS 9 1 Heat Pump Models 9 1 1 PNXA 9 12 18 21 GC 9 12 YBD018 022 Cooling Mode 9 1 2 PNXA 9 12 18 21 GC 9 12 YBD 018 22 Heating Mode EEV...

Page 50: ...r Outdoor coil Sensor Reverse Compressor Strainer valve Outdoor coil Sensor Reverse Strainer valve Compressor connection Valves Flared Indoor coil Sensor Flared connection Valves Indoor coil Sensor CO...

Page 51: ...NS 10 1 PNXA 9 12 18 21 DCI 1 Indoor unit terminal 4 Power cable in the indoor side 2 Ground wire 5 Multiple wire cable 3 Indoor coil 6 Cable clamp 7 Outdoor unit wire terminal A OUTDOOR B INDOOR 6 7...

Page 52: ...ADCI 1 A 1 GB 10 2 PNXA 24 DCI 1 Indoor unit terminal 2 Ground wire 4 Multiple wire cable 3 Indoor coil 5 Cable clamp 6 Outdoor unit wire terminal A OUTDOOR B INDOOR 7 Power cable in the outdoor side...

Page 53: ...l load felt by the indoor unit 11 1 2 Compressor Frequency Control 11 1 2 1 NLOAD setting The NLOAD setting is done by the indoor unit controller based on a PI control scheme The actual NLOAD to be se...

Page 54: ...7 Indoor Fan Control 10 Indoor fan speeds are determined for each model 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...

Page 55: ...dFreq Medium Low Very Low Low OFMedFreq CF High Low Low Medium When compressor is switched to OFF and the heat sink temperature is above 55 degrees the outdoor fan will remain ON in low speed for up t...

Page 56: ...fan in selected speed In AutoFan user setting fan speed will be ad8usted automatically according to the calculated NLOAD 11 4 Heat Mode NLOAD is calculated according to the difference between actual...

Page 57: ...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 are...

Page 58: ...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 zones 4 in protection and 1 normal according to the following cha...

Page 59: ...is Invalid AND TLD DI Case 4 Unit is ust switched to STBY AND OCT 8 T A O j Case 5 NLOAD 0 AND OCT OAT 8 OCT Outdoor Coil Temperature OAT Outdoor Air Temperature TLD Time from Last Deicing DI Deicing...

Page 60: ...n Any T1 T2 T3 T3 T1 12 0 Threshold max 12 minutes DT OCT T 36 seconds T3 nds 6 seco 11 8 Condensate Water Over Flow Protection Each of the pins P1 P2 P3 can have two options 1 When it is shorted with...

Page 61: ...ANY 0 ON NLOAD PUMP OFF ON OPER LED OFF Overflow Water Level Normal BLINK NLOAD is forced to 0 8 min 8 min Overflow when unit is ON Overflow when unit is OFF 8 min 11 9 Indoor Unit Dry Contact Indoor...

Page 62: ...at a R C infrared signal has been received and stored Blinks continuously during protections according to the relevant spec section TIMER INDICATOR Lights up during Timer and Sleep operation FILTER IN...

Page 63: ...FF 2 OFF 2 OFF 2 OFF 2 OFF 2 OFF 2 SPT 1 ON 2 ON 2 ON 2 ON 2 ON 2 1 T P S 1 T P S 1 T P S 1 T P S Low OFF Med OFF High OFF Turbo OFF Auto OFF User setting IFAN speed User setting IFAN speed User setti...

Page 64: ...ne of the seven indicators indicates the following SPT 18 20 22 24 26 28 30 o c The odd number temperatures are indicated by turning on the two adcent indicators FAN SPEED BUTTON Press this button to...

Page 65: ...ved Reserved 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 FLO 9 0 0 0 0 1 1...

Page 66: ...PIN1 PIN2 E Duo OFF ON PIN5 PIN6 ON PIN3 PIN4 OFF F OFF ON PIN5 PIN6 ON PIN3 PIN4 ON PIN1 PIN2 G ON PIN7 PIN8 OFF OFF OFF H ON PIN7 PIN8 OFF OFF ON PIN1 PIN2 I ON PIN7 PIN8 OFF ON PIN3 PIN4 OFF J ON...

Page 67: ...m very low 32 ICTTSpeed ICT to enable Turbo fan speed 40 Model Depended Parameters 3DUDPHWHU QDPH WDOO 0RXQWHG 0RGHOV 9 1 2 OLPLWV DV D IXQFWLRQ RI VHOHFWHG LQGRRU IDQ VSHHG 0 4 0 4 C 1 F I D A O L N...

Page 68: ...C 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 Ov...

Page 69: ...presented by a parameter 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 12 1 3 Compressor Frequency Control 12 1...

Page 70: ...is represented by the following Cooling max OMT OCT in cooling mode Heating Multi split maximum ICT among all active and available inactive IDUs in heating mode Heating Single Split ICT 3 The above p...

Page 71: ...elected and under the following conditions Difference between set point and actual room temperature is bigger then 3 degrees Room temperature 22 for cooling or 25 for heating 12 1 5 Heating Element Co...

Page 72: ...VOL EEVCV EEVOL is the initial EEV opening as a function of the compressor frequency operation mode unit model and capacity EEVCV is a correction value for the EEV opening that is based on the Target...

Page 73: ...fan user setting unit will operate fan in selected speed In AutoFan user setting fan speed will be adjusted automatically according to the calculated NLOAD 12 4 Heat Mode NLOAD is calculated accordin...

Page 74: ...se SR compressor frequency can not be raised but does not have to be decreased HzDown1 D1 Compressor frequency is reduced by Down1 Hz min HzDown2 D2 Compressor frequency is reduced by Down2 Hz min Sto...

Page 75: ...1 1 0 1 1 OMTn HPC5 SC SC SC SC SC HPC4 OMTn HPC5 D2 D2 D2 D2 D2 HPC3 OMTn HPC4 D1 D1 D1 D1 D1 HPC2 OMTn HPC3 SR SR SR SR SR HPC1 OMTn HPC2 Norm Norm Norm Norm Norm OMTn HPC1 Norm 12 7 5 Compressor ov...

Page 76: ...5 SC SC SC SC SC OVRPWR4 Powern OVRPWR5 D1 D1 D2 D2 D2 OVRPWR3 Powern OVRPWR4 SR SR D1 D2 D2 OVRPWR2 Powern OVRPWR3 SR SR SR D1 D1 OVRPWR1 Powern OVRPWR2 Norm Norm Norm SR SR Powern OVRPWR1 Norm 12 7...

Page 77: ...be increased If deicing time is longer than former deicing time the deicing interval time will be decreased 12 7 8 2 Deicing Protection Procedure COMP RV OFAN EEV ON HEAT COOL ON OFF EEVDeicerOpen Any...

Page 78: ...BLINK NLOAD OPER LED LEVEL1 LEVEL2 3 LEVEL4 NORMAL ON Pump OFF 12 7 9 2 1 Level Logic used in all models except for floor ceiling models P2 P3 Level Don t care 1 Normal Don t care 0 Overflow ANY 0 ON...

Page 79: ...Limit NLOAD 12 9 Operating the Unit from the Mode Button Forced operation allows to start stop and operate in Cooling or Heating in pre set temperature according to the following table Forced operatio...

Page 80: ...sidered as long pressing In between pressing is undetermined and system will not respond to pressing 4 PXD units are always forced to enter either Cool Heat or Fan Mode whenever its setting is changed...

Page 81: ...p Don t care 0 0 1 0 0 0 Reserved Horizontal Louver Don t care 0 0 0 1 0 0 Reserved I FEEL Don t care 0 0 0 0 1 0 Other 20 0 0 0 0 0 0 Notes 1 The zeros stated above must be checked in order to judge...

Page 82: ...the menus except Status and its sub menu Technician Test once selected are automatically exited to the main menu after 10 continuous minute out of any press 6 When Technician test cool or heat menus...

Page 83: ...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 voltage AC over Voltage Zero Crossing detection 0 1 1 1 1 16 Mismatch between IDU ODU models 1 0...

Page 84: ...1 0 0 1 0 0 0 1 1 0 1 0 0 0 1 0 1 0 1 1 0 0 1 1 1 1 0 0 0 1 0 0 1 NA 1 0 1 1 NA 1 1 0 1 NA 1 1 1 1 Note 1 Delta 50 is used for Delta Product This family occupies family No 10 on the communication leve...

Page 85: ...lected jumpers will also set an according fault 12 12 2 Outdoor Unit Controller 12 12 2 1 Hardware Jumpers JP9 JUMPER LAYOUT ODU4 PIN 9 ODU3 PIN 7 ODU2 PIN 5 ODU1 PIN 3 ODU0 PIN 1 GND PIN 10 GND PIN 8...

Page 86: ...eed NLOAD Cool IFAN_TEST_COOL_MIN Low Med Heat IFAN_TEST_HEAT_MIN Low 10 Cool IFAN_TEST_COOL_NOM NomLoadC at Cool High Heat IFAN_TEST_HEAT_NOM Turbo NomLoadH at heat Cool IFAN_TEST_COOL_MAX Turbo Auto...

Page 87: ...oor fan does 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 triack controlled mot...

Page 88: ...r unit Indoor unit drainage tube is blocked Check and open drainage tube 15 Freezing of outdoor unit in heat mode and outdoor unit base is blocked with ice Connect base heater 16 Unit operates with wr...

Page 89: ...ystem fault status will be indicated by blinking of Filter Timer LEDs The coding method will be as follows Filter LED will blink 5 times in 5 seconds and then will be shut off for the next 5 seconds T...

Page 90: ...to Outdoor diagnostics 6 EEPROM Not Updated System is using ROM parameters and not EEPROM parameters No action unless special parameters are required for unit operation 7 Bad EEPROM No action unless...

Page 91: ...HST is shorted disconnected 0 0 0 1 1 4 OAT is shorted disconnected 0 0 1 0 0 5 OMT is shorted disconnected 0 0 1 0 1 6 RGT is shorted disconnected 0 0 1 1 0 7 RLT is shorted disconnected 0 0 1 1 1 8...

Page 92: ...Outdoor unit Communication mismatch Indoor and Outdoor controllers are with different versions Replace Indoor controller No Communication Communication or grounding wiring is not good Check Indoor to...

Page 93: ...attention U V W are respective to connect to RED BROWN BLACK wires 13 2 5 Checking the Reverse Valve RV Running in heating mode check the voltage between two pins of reverse valve connector normal vo...

Page 94: ...T LIST SM PNXADCI 1 A 1 GB 14 1 14 EXPLODED VIEW SPARE PART LIST 14 1 Exploded view of indoor unit PNXA 9 12 DCI 5 14 11 13 12 10 9 8 7 6 15 16 18 17 19 24 20 21 22 23 25 26 28 27 32 29 31 30 35 34 33...

Page 95: ...ew function 1 17 4518650 Motor Cover 1 452969400 Step Motor A 1 18 452969500 Step Motor B 1 4521158R Power cord cable Euro 1 4520061R Power cord cable Israel 1 19 4520278R Power cord cable Without plu...

Page 96: ...VIEW SPARE PART LIST SM PNXADCI 1 A 1 GB 14 3 14 3 Exploded view of indoor unit PNXA 18 21 24 DCI 5 13 14 11 12 10 9 7 8 6 20 15 16 18 17 19 24 21 22 23 25 26 28 27 31 29 30 36 35 34 37 4 2 3 1 38 39...

Page 97: ...er fan 1 13 465700011 Unit Housing Glossy LEX 50 DCI VIESSMANN 1 14 452920100 Mount bracket WNG 18 20 1 15 465320017 Connect Plate Unit housing LEX 50 DCI Viessmann 1 16 453024500R PG Motor 1 17 45291...

Page 98: ...r fan 1 13 465700011 Unit Housing Glossy LEX 50 DCI VIESSMANN 1 14 452920100 Mount bracket WNG 18 20 1 15 465320017 Connect Plate Unit housing LEX 50 DCI Viessmann 1 16 453206800R DC Motor 1 17 452918...

Page 99: ...EXPLODED VIEW SPARE PART LIST 14 6 SM PNXADCI 1 A 1 GB 14 6 Exploded view of outdoor Unit GC 9 12 DCI...

Page 100: ...erminal Block ONG3 12RC DCI35 R410A 1 22 465340080 Valve Cover PP UV 5VA ONG3 1 22 465340081 Valve Cover With new function fresh air PP UV 5VA ONG3 1 23 461030007 4 W valve coil SHF L 4H 7H DCI 1 24 4...

Page 101: ...EXPLODED VIEW SPARE PART LIST 14 8 SM PNXADCI 1 A 1 GB 14 8 Exploded view of outdoor Unit YBD018...

Page 102: ...025 4 poles terminal block 1 18 204107 Cable clip Nylon 1 19 455000108 Double patch Capacitor for fan motor 2uF 1 20 465340080 Valve Cover 1 21 461600079 4 Way Valve Welding Assy 1 22 461030007 4 W va...

Page 103: ...EXPLODED VIEW SPARE PART LIST 14 10 SM PNXADCI 1 A 1 GB 14 10 Exploded view of outdoor Unit YBD022...

Page 104: ...63300650 Valve Connect Pipe Gas Valve 1 19 461010005 Gas Valve 1 2 R410A 1 20 463300649 Valve Connect Pipe Liquid Valve 1 21 461000004 Liquid Valve 1 4 R410A 1 22 461040013 Electronic Expansion Valve...

Page 105: ...EXPLODED VIEW SPARE PART LIST 14 12 SM PNXADCI 1 A 1 GB 14 12 Exploded view of outdoor Unit YBD024...

Page 106: ...quid gas Separator 1 18 453256100 Support Painting Support Assy Gas Liquid Separator 1 19 4526080 Valve plate paint assy 1 20 4526513 LOW PRESS VALVE R410A 1 21 4526514 Hight press valve R410A 1 22 46...

Page 107: ...15 TUBING CONNECTIONS When the outdoor unit is installed above the indoor unit an oil trap is required every 5m along the suction line at the lowest point of the riser In case the indoor unit is inst...

Page 108: ...APPENDIX A SM PNXADCI 1 A 1 GB 16 1 APPENDIX A INSTALLATION AND OPERATION MANUALS...

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