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Airwell YAZE218, Service Manual

The Airwell YAZE218 Service Manual provides users with detailed instructions and specifications for their YAZE218 unit. This comprehensive manual is available for free download from our website, offering an easy and convenient way for users to access the necessary information to ensure optimal performance and maintenance of their Airwell air conditioner.

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13—EXPLODED VIEWS AND SPARE PART LISTS

SM YAZE218 1-A.2 GB  |  13—2

13.2 

Multi YAZ218 DCI – Spare Part List

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Summary of Contents for YAZE218

Page 1: ...YAZE218 Indoor Units Outdoor Units AWSI HJD009 012 N11 AWAU YAZE218 H11 AWSI CNE009 012 N11 AWSI SXE009 012 N11 AWSI DLF009 012 N11 MAY 2013 Version 1 R410A HEAT PUMP SM YAZE218 1 A 2 GB REFRIGERANT ...

Page 2: ...CONDITIONS 3 1 4 OUTLINE DIMENSIONS 4 1 5 PERFORMANCE DATA 5 1 6 OPERATING CURVES 6 1 7 ELECTRICAL DATA 7 1 8 WIRING DIAGRAM 8 1 9 REFRIGERATION DIAGRAM 9 1 10 TUBING CONNECTIONS 10 1 11 CONTROL SYSTEM 11 1 12 TROUBLESHOOTING 12 1 13 EXPLODED VIEW AND SPARE PART LIST 13 1 14 APPENDIX A 14 1 ...

Page 3: ... features LEX HJD series Lego concept Products line of wall mounted oor ceiling cassette with capacity models of 2 5 and 3 5 kW Networking connectivity Pre charged system Ready for Base heater connection and logic Cooling operation at outdoor temperature down to 100C Heating operation at outdoor temperature down to 150C HMI Display Board Human Machine Interface 3x7 segment display shows both indoo...

Page 4: ...NDOOR UNITS AWSI HJD009 N11 AWSI HJD012 N11 AWSI CNE009 N11 AWSI CNE012 N11 AWSI SXE009 N11 AWSI SXE012 N11 AWSI DLF009 N11 AWSI DLF012 N11 1 6 Indoor Unit combinations YAZE218 Unit A Unit B Code Sum 25 25 2 25 35 2 5 35 35 3 Nominal Indoor Units Combination ...

Page 5: ...I C D y r a t o R e l g n i S l e d o m e p y t r o s s e r p m o C 1 x t c e r i d r e l l e p o r P y t i t n a u q e p y t n a F 0 0 9 M P R H s d e e p s n a F Air 0 6 1 2 r h 3 m H w o 3 6 A B d H l e v e l r e w o p d n u o S 3 5 A B d H 3 l e v e l e r u s s e r p d n u o S 0 9 2 x 0 1 6 x 5 9 7 m m H x D x W s n o i s n e m i D 9 3 g k t h g i e W t e N 5 9 3 x 5 5 6 x 0 7 9 m m H x D x W ...

Page 6: ...282 4 1 g k t h g i e w d e g a k c a P 8 2 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 7 s t i n u t h g i e h g n i k c a t S 2 2 2 AWSI HJD012 N11 Model Indoor Unit AWSI HJD012 N11 d e r a l F e p i P f o d o h t e M n o i t a l l a t s n I z H 0 5 h P 1 V 0 3 2 z H h P V y l p p u s r e w o P INDOOR s s o r C y t i t n a u q e p y t n a F ow x 1 0 0 8 0 5 9 0 0 1 1 M P R L M H s d e e p ...

Page 7: ...k t h g i e w d e g a k c a P 2 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 6 s t i n u t h g i e h g n i k c a t S 2 2 4 AWSI CNE012 N11 Model Indoor Unit AWSI CNE012 N11 d e r a l F e p i P f o d o h t e M n o i t a l l a t s n I z H 0 5 h P 1 V 0 3 2 z H h P V y l p p u s r e w o P INDOOR 1 x l a g u f i r t n e C y t i t n a u q e p y t n a F 0 5 4 0 2 5 0 0 6 M P R L M H s d e e p s n...

Page 8: ...c a P t e l l a p r e p s t i n u 4 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 7 s t i n u g n i k c a t s s t i n U 2 2 6 AWSI SXE012 N11 Model Indoor Unit AWSI SXE012 N11 d e r a l F e p i P f o d o h t e M n o i t a l l a t s n I 0 5 1 0 3 2 z H h P V y l p p u s r e w o P INDOOR 2 x l a g u f i t n e C y t i t n a u q e p y t n a F Fan speeds H M L RPM 830 760 500 Air ow 1 H M L m3 hr...

Page 9: ...a P t e l l a p r e p s t i n u 4 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 7 s t i n u g n i k c a t s s t i n U 2 2 8 AWSI DLF12 DCI Model Indoor Unit AWSI DLF12 DCI d e r a l F e p i P f o d o h t e M n o i t a l l a t s n I 0 5 1 0 4 2 0 2 2 z H h P V y l p p u s r e w o P INDOOR 2 x l a g u f i t n e C y t i t n a u q e p y t n a F Fan speeds H M L RPM 980 860 730 Air ow 1 H M L m3 ...

Page 10: ... units Cooling Indoor 27 C DB 19 C WB Outdoor 35 C DB Heating Indoor 20 C DB Outdoor 7 C DB 6 C WB 3 1 Operating Limits Indoor Outdoor Cooling Upper limit 32 C DB 23 C WB 46 C DB Lower limit 21 C DB 15 C WB 10 C DB Heating Upper limit 27 C DB 24 C DB 18 C WB Lower limit 10 C DB 15 C DB 16 C WB Voltage C A V 4 6 2 8 9 1 H P 1 A N H P 3 ...

Page 11: ...4 1 SM YAZE218 1 A 2 GB 4 OUTLINE DIMENSIONS 4 OUTLINE DIMENSIONS 4 1 Indoor Unit HJD009 012 ...

Page 12: ...4 OUTLINE DIMENSIONS SM YAZE218 1 A 2 GB 4 2 4 2 Indoor Unit CNE009 012 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 40 230 ...

Page 13: ...4 OUTLINE DIMENSIONS 4 3 SM YAZE218 1 A 2 GB 4 3 Indoor Unit SXE009 012 4 4 OUTDOOR UNIT YAZE218 ...

Page 14: ... 550 2100 3 40 A 9 12 2140 2860 5000 1800 6300 1470 550 2130 3 40 A 12 12 2500 2500 5000 1800 6400 1470 550 2130 3 40 A Nominal Indoor Units Combination 5 1 2 Heating operating Indoor model W n o i t p m u s n o C r e w o P y t i c a p a C COP Nominal Energy Ef ciency Class A B Nom Min Max Nom Min Max 9 3000 3000 1000 4000 830 375 1500 3 61 A 12 4000 4000 1000 4500 1100 375 1700 3 64 A 9 9 3000 30...

Page 15: ... 22 SC 1 01 1 03 1 05 1 07 1 09 PI 0 79 0 80 0 82 0 83 0 85 30 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 08 SC 0 93 0 95 0 97 1 00 1 02 PI 1 06 1 08 1 09 1 11 1 12 46 TC 0 77 0 83 0 90 0 96 1 02 SC 0 90 0 92 0 94 0 96 0 99 PI 1 17 1 19 1 20 1 ...

Page 16: ...C 0 76 0 72 0 67 PI 0 82 0 88 0 94 1 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 15 24 Protection Range l a n i m o n f o 5 0 1 5 8 C T l a n i m o n f o 0 2 1 0 8 I P LEGEND TC Total Cooling Capacity SC Sensible Capacity PI Power Input WB Wet...

Page 17: ... 1 22 SC 1 01 1 03 1 05 1 07 1 09 PI 0 79 0 80 0 82 0 83 0 85 30 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 08 SC 0 93 0 95 0 97 1 00 1 02 PI 1 06 1 08 1 09 1 11 1 12 46 TC 0 77 0 83 0 90 0 96 1 02 SC 0 90 0 92 0 94 0 96 0 99 PI 1 17 1 19 1 20 ...

Page 18: ... 0 76 0 72 0 67 PI 0 82 0 88 0 94 1 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 15 24 Protection Range l a n i m o n f o 5 0 1 5 8 C T l a n i m o n f o 0 2 1 0 8 I P LEGEND TC Total Cooling Capacity SC Sensible Capacity PI Power Input WB Wet ...

Page 19: ...03 1 09 1 16 1 22 SC 1 01 1 03 1 05 1 07 1 09 PI 0 79 0 80 0 82 0 83 0 85 30 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 08 SC 0 93 0 95 0 97 1 00 1 02 PI 1 06 1 08 1 09 1 11 1 12 46 TC 0 77 0 83 0 90 0 96 1 02 SC 0 90 0 92 0 94 0 96 0 99 PI 1 1...

Page 20: ...C 0 76 0 72 0 67 PI 0 82 0 88 0 94 1 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 15 24 Protection Range l a n i m o n f o 5 0 1 5 8 C T l a n i m o n f o 0 2 1 0 8 I P LEGEND TC Total Cooling Capacity SC Sensible Capacity PI Power Input WB Wet...

Page 21: ...03 1 09 1 16 1 22 SC 1 01 1 03 1 05 1 07 1 09 PI 0 79 0 80 0 82 0 83 0 85 30 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 08 SC 0 93 0 95 0 97 1 00 1 02 PI 1 06 1 08 1 09 1 11 1 12 46 TC 0 77 0 83 0 90 0 96 1 02 SC 0 90 0 92 0 94 0 96 0 99 PI 1 1...

Page 22: ...C 0 76 0 72 0 67 PI 0 82 0 88 0 94 1 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 15 24 Protection Range l a n i m o n f o 5 0 1 5 8 C T l a n i m o n f o 0 2 1 0 8 I P LEGEND TC Total Cooling Capacity SC Sensible Capacity PI Power Input WB Wet...

Page 23: ...5 10 SM YAZE218 1 A 2 GB 5 PERFORMANCE DATA 5 6 Tubing Length Capacity Correction Factor 5 6 1 Cooling 5 6 2 Heating ...

Page 24: ...SM YAZE218 1 A 2 GB 6 1 6 OPERATING CURVES 6 OPERATING CURVES 6 1 Model YAZE218 DCI 6 1 1 Cooling Technician Mode ...

Page 25: ...6 2 SM YAZE218 1 A 2 GB 6 OPERATING CURVES 6 1 2 Heating Technician Mode ...

Page 26: ...SM YAZE218 1 A 2 GB 6 3 6 OPERATING CURVES 6 1 3 Tubing Length correction Factor ...

Page 27: ... r a t S A 0 2 r e k a e r b t i u c r i C m m 0 2 X 3 n o i t c e s s s o r c x o n g n i r i w y l p p u s r e w o P 2 Interconnecting cable no x cross section 4 X 1 5 mm2 For each IDU Note Inrush current is the current when power is up charging the DC capacitors at outdoor unit controller Starting current is the current when starting the compressor NOTE Power wiring cord should comply with loca...

Page 28: ...SM YAZE218 1 A 2 GB 8 1 8 WIRING DIAGRAMS 8 WIRING DIAGRAMS 8 1 YAZE218 Wiring Diagrams ...

Page 29: ...8 WIRING DIAGRAMS 9 1 SM YAZE218 1 A 2 GB 9 REFRIGERATION DIAGRAMS 9 1 YAZE218 Cooling Mode ...

Page 30: ...8 WIRING DIAGRAMS SM YAZE218 1 A 2 GB 9 2 9 2 YAZE218 Heating Mode ...

Page 31: ...NS 10 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 installed above the outdoor no trap is required ...

Page 32: ...DU Outdoor Unit OFAN Outdoor Fan PFC Power Factor Corrector RAC Residential A C RC Reverse Cycle Heat Pump RGT Return Gas Temperature sensor RPS Rounds per second mechanical speed RV Reverse Valve SB STBY Stand By SUCT Compressor Suction Temperature sensor S W Software TBD To Be De ned TMR Timer 11 2Product Overview 11 2 1 Compressor DC brush less and sensor less motor inverter driven compressor 1...

Page 33: ... up The targets of the initialization are Addressing of IDU s Identi cation of connected IDU s IDU Matching Check EEV s homing reset position Restoring Parameters from EEPROM Jumpers Dipswitches 11 3 1 1 IDU s Initialization 11 3 1 1 1 Capacity Codes Setting The capacity groups of the IDU s are translated into capacity codes according to the following table Capacity group Capacity Code 2 1 w k 9 2...

Page 34: ...Q Undefined ODU model Force to Idle mode IDU ODU capacity group mismatch When ODU model is Q and the capacity group is not allowed Mismatch between IDU and ODU models Except for ITU mode Force to Idle mode The following combinations show the allowed and not allowed capacity group ODU Model Communication channel Is it allowed capacity group Indoor Capacity 0 1 2 3 4 Q YBDE018 YAZE218 Single Non Hydr...

Page 35: ... unit 4 The unit resumes its normal operation with only the operative channels 11 3 3 Temperature Measurements 11 3 3 1 Thermistor failures de nition Thermistor Type a Disconnected Type b Shorted OAT Temp 30 C Temp 75 C OCT Temp 35 C Temp 75 C CTT Temp 30 C Temp 125 C HST Temp 30 C Temp 125 C OMT Temp 35 C Temp 75 C ICT Temp 30 C Temp 75 C RGT Temp 30 C Temp 126 C RLT Temp 30 C Temp 126 C 11 3 3 2...

Page 36: ...peed In Auto Fan user setting fan speed will be adjusted automatically according to the calculated NLOAD 11 4 3 Heat Mode NLOAD is calculated according to the difference between actual room temperature and user set point temperature by PI control In high medium low indoor fan user setting unit will operate fan in selected speed In Auto Fan user setting fan speed will be adjusted automatically acco...

Page 37: ... 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 4 6 Indoor Units Operation when Indoor Unit Mode is Different than Outdoor Unit Mode Open louvers according to user selection Indoor fan is forced to OFF 11 4 7 Indoor Unit Dry Contact Indoor unit Dry contact has two altern...

Page 38: ...Lights up during Timer and Sleep operation FILTER INDICATOR Lights up when Air Filter needs to be cleaned COOLING INDICATOR Lights up when system is switched to Cool Mode by using the Mode Switch on the unit HEATING INDICATOR Lights up when system is switched Heat Mode by using the Mode Switch on the unit Mode SWITCH COOL HEAT OFF Every short pressing the next operation mode is selected in this or...

Page 39: ...s Low M Lights up when IFAN setting is Medium H Lights up when IFAN setting is High A Lights up when IFAN setting is Auto TEMP SETTING INDICATORS Each one of the seven indicators indicates the following SPT 18 20 22 24 26 28 30 C The odd number temperatures are indicated by turning on the two adjacent indicators FAN SPEED BUTTON Press this button to change the speed of the IFAN Each pressing chang...

Page 40: ...ion mode 11 5 1 2 Priority unit If an IDU is de ned as a priority unit the operational mode will be de ned according to that unit request unless the unit is at STBY mode In case priority unit is SB the mode will be set acceding to rst request priority 11 5 1 3 Forced operation mode If forced mode is enabled than the ODU mode will be forced according to the Forced mode input Open 7 COOL Short 7 HEA...

Page 41: ...it controller based 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 a function of indoor fan speed Indoor Fan Speed Maximum NLOAD Cooling Maximum NLOAD Heating Low Max NLOADIF1C 127 Medium Max NLOADIF2C 127 High Max NLOADIF3C 127 Turbo Max NLOADIF4C 12...

Page 42: ... 11 5 2 5 Speed Step Limitations 11 5 2 5 1 Step 1 and step 2 The compressor speed cannot go below Step1Freq or above Step2Freq during 3 continuous minutes once after the compressor starts up when the ODU unit changes from STBY 11 5 2 5 2 Step 3 limit The speed cannot go higher than Step3Freq unless it was operating for more than 1 continuous minute between Step3Freq 5 and Step3Freq ...

Page 43: ...ops 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 to normal operation 11 5 3 4 EEV Opening Determination The target EEV value is the sum of open loop value OL and a result of the accumulative correction values CV EEVi EEVOLi EEVCVi EEVi is the EEV opening...

Page 44: ...ction level n o i t c A l e v e l n o i t c e t o r P SR D1 or D2 OFAN will go to the Max speed Stop Compressor Continue to operate for maximum 3 minutes at 500 rpm or until normal level is achieved 11 5 4 3 OFAN Force On condition If HST is faulty OFAN will continue to operate for 3 minutes at 500 rpm after COMP is OFF 11 5 4 4 Night mode Upon receiving night mode the OFAN will be limited to max ...

Page 45: ...e the worst protection status among the all indoor units 11 5 9 IDU Protections 11 5 9 1 Indoor Coil Defrost Protection ICT ICT Trend Fast Increasing Increasing No change Decreasing Fast Decrea sing ICT 2 SC SC SC SC SC 2 ICT 0 D1 D1 D2 D2 D2 0 ICT 2 SR SR 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 l a m r o N T C I 11 5 9 2 Indoor Coil over Heating P...

Page 46: ...otal protection level is de ned by the higher level of protection received 11 5 11 Deicing 11 5 11 1 Deicing Starting Conditions Deicing operation will start when either one of the following conditions exist Case 1 OCT OAT DST AND TLD DI Case 2 OCT OAT 12 AND TLD 30 minutes Case 3 OCT is Invalid AND TLD DI Case 4 Unit is just switched to STBY AND OCT OAT DST Case 5 NLOAD 0 AND OCT OAT DST Case 6 O...

Page 47: ...2 Deicing Protection Procedure 11 5 11 3 Condensate Water over Flow Protection 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 5 11 4 3 Levels Logic used in oor ceiling models P2 P3 Level 0 0 L0 1 0 L1 1 1 L2 3 0 1 L4 ...

Page 48: ...SM YAZE218 1 A 2 GB 11 17 11 CONTROL SYSTEM 11 5 11 5 1 Level Logic used in all models except for oor ceiling models P2 P3 Level Don t care 1 Normal Don t care 0 Over ow ...

Page 49: ... of the connected installed indoor unit is set properly 3 All the EEVs are connected properly to the right EEV channels 4 No mix between the indoor unit s tubes each indoor unit must have its own tubes connected properly to the outdoor unit If the rules above are not respected the test results will make no sense 11 6 4 Installation test menu 11 6 5 How to do installation test 1 While the power is ...

Page 50: ...il 6 You can scroll the menu to observe a Observe the matrix result b Guide for problem correction 7 For xing problem copy on paper the results displayed results power off the unit and then x the problem accordingly Do not do any wire xing under power Note You can exit the installation test any moment by pressing Esc for 5 seconds When exiting the test the system will still keep the latest result ...

Page 51: ...Check indoor and outdoor diagnostics ICT disconnected will be tested during the rst 3 minutes of installation test Note When the system terminates the tests due to the problem above the matrix results will present partial test How to interpret the results pf sub menu n o i t a t e r p r e t n I f p t l u s e R t s e T NUL The test has never been done before PAS The test is pass FAL The test is fai...

Page 52: ...Cz x is the wire name 1 2 3 4 z is the communication channel A b c d x Cz is move wire x to communica tion channel Cz Ey W y is the EEV channel name A b c d w can be 1 c is closed 2 o is open 3 oc is either close or open 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 Possible reasons for o and c s n o s a e r e l b i s s o ...

Page 53: ... Technician Interpretation 1 Cd Move wire 1 to communication channel Cd 2 Cc Move wire 2 to communication channel Cc 3 C_ Do not know where to put wire 3 4 C_ Do not know 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 2 in communication channel Cb 3 C...

Page 54: ...ep 2 sec 3 x 3 Repeat r1 keep 2 sec X1 Y1 Z1 keep 2 sec Repeat r2 keep 2 sec X2 Y2 Z2 keep 2 sec Repeat r3 keep 2 sec X3 Y3 Z3 keep 2 sec 4 x 4 Repeat r1 keep 2 sec X1 Y1 Z1 keep 2 sec W1 keep 2 sec Repeat r2 keep 2 sec X2 Y2 Z2 keep 2 sec W2 keep 2 sec Repeat r3 keep 2 sec X3 Y3 Z3 keep 2 sec W3 keep 2 sec Repeat r4 keep 2 sec X4 Y4 Z4 keep 2 sec W4 keep 2 sec Note Scrolling between r1 r2 r3 and ...

Page 55: ... procedure All the connected indoor units will enter technician test at high indoor fan speed The outdoor unit will be working normally according to the run mode control logic except the following changes o The dry contacts inputs will be ignored o Protections will be operative for stop compressor not to be implemented in the current version o The compressor and the outdoor fan will be working in ...

Page 56: ... be indicated by blinking the display 11 8 2 Keys functionality o Scrolling will be done whenever the button is pressed o When scrolling alpha values if the scroll button is held in the selection will change at the rate of one step per second o When changing scrolling numeric value if the scroll button is held in the selection will change at the rate of one step per second After 2 seconds if the b...

Page 57: ...ation will be alternating repeatedly among the following for single and multi split units o the mode of the unit Cl Ht Sb shown for 2 sec o id the number of communicative IDUs number shown for 2 sec o Active fault among ODU or IDUs each to be shown for 2 sec 2 In diagnostics menu o xx means failure code ...

Page 58: ...tes out of any press 5 Technician Test mode once is selected is exited after 60 minutes from entry 6 All 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 7 When Technician test cool or heat menus are selected operative it will be blinking constantly until this menu is escaped 8 When the inst...

Page 59: ...AP Capacity Code 1 A Capacity Code 2 B Capacity Code 3 C Capacity Code 4 D Family Fa Family 1 A Family 2 B Family 3 C Family 4 D Model dl Model 1 A Model 2 B Model 3 C Model 4 D ODU ODU Detected IDUs 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 EEC ...

Page 60: ... Dry Fan Auto will be presented CL Ht dr FAn AUt o The current is the AC current of the unit o The models A b C and d will be presented A b c and d respectively 11 9Jumper settings ODU4 ODU3 ODU2 ODU1 ODU0 ODU Model Compressor Type Single Split Multi Split ON OFF OFF OFF OFF P Sanyo Mitsubishi ON OFF OFF OFF ON Q Panasonic Panasonic ON OFF OFF ON OFF R ON OFF OFF ON ON S ON OFF ON OFF OFF T ON OFF...

Page 61: ...WR 1 2 1 Hz Sec NA 22 StopRise 0 1 6 Hz Sec NA 23 DImin 30 minute 24 DImax 120 Minute 25 TimeD 1 Minute 26 DTmin 2 Minute 27 DIT 10 Minute 28 CTMRUP 10 Minute 29 DIF 30 Minute 30 TCT 240 Second 31 CompBalanceTimeA 5 minute 32 IDUChngBalanceTime 2 minute 33 CompBalanceTimeIA 10 minute 34 DEICT1 60 second Name Default Value Units 35 DEICT2 36 second 36 DEICT3 6 second 37 DSTF 12 C 38 OMTOH0 50 C 39 ...

Page 62: ... 5 462 NA 94 EEV_OL_Beta1_S_C 0 788 NA 95 EEV_OL_ Gamma1 _S_C 1 747 NA 96 EEV_OL_Delta1 _S_C 89 NA 97 EEV_OL_Alpha2_S_C 6 244 98 EEV_OL_Beta2_S_C 2 734 99 EEV_OL_ Gamma2 _S_C 1 714 100 EEV_OL_Delta2 _S_C 38 NA 101 EEV_OL_Alpha3_S_C 6 244 Name Q YAZ218 Unit 1 MinFreqC 20 Hz 2 MinFreqCA 40 Hz 3 MaxFreqCSingle 79 Hz 4 MaxFreqCMulti 95 Hz 5 MinFreqH 20 Hz 6 MinFreqHA 40 Hz 7 MaxFreqHSingle 84 Hz 8 Max...

Page 63: ...mma _M1_C 3 067 NA 124 EEV_OL_Delta _M1_C 132 NA 125 EEV_OL_Alpha_M2_C 5 246 NA 126 EEV_OL_Beta_M2_C 0 312 NA 127 EEV_OL_ Gamma _M2_C 1 796 NA 128 EEV_OL_Delta_M2_C 93 NA 129 EEV_OL_Alpha_M3_C NA NA 130 EEV_OL_Beta_M3_C NA NA Name Q YAZ218 Unit 131 EEV_OL_ Gamma _M3_C NA NA 132 EEV_OL_Delta _M3_C NA NA 133 EEV_OL_Alpha_M4_C NA NA 134 EEV_OL_Beta_M4_C NA NA 135 EEV_OL_ Gamma _M4_C NA NA 136 EEV_OL_...

Page 64: ... Turbo fan speed 40 Parameters for IDU defrost protection 8 l a m r o n o t k c a b o g o t T C I 1 f e D T C I ICTDef2 ICT to stop rise when ICT decrease 6 ICTDef3 ICT to stop rise when ICT is stable 4 ICTDef4 ICT to Hz Down when ICT decrease 2 ICTDef5 ICT to Hz Down when ICT is stable 0 2 r o s s e r p m o c p o t s o t T C I 6 f e D T C I Parameters for indoor coil over heating protection 5 4 l...

Page 65: ... not light up Problem with display PCB Replace display PCB If still not OK replace controller 4 Indoor fan does not start louvers are opened and Green LED is ON Unit in heat mode and coil is still not warm Change to cool mode Outdoor unit is in opposite mode Change operation mode Problem with controller or capacitor Change to high speed and Check power supply to motor is higher than 130VAC for tri...

Page 66: ...t or heat instead of cool Electronics or RV problem Check RV 12 4 4 16 All components are operating properly but no cooling or no heating Refrigerant leak Check refrigeration system 12 2 17 Compressor motor is generating noise and no suction occurs Phase order to compressor is wrong Check compressor phase order 18 Freezing of outdoor unit in heat mode and outdoor unit base is blocked with ice Conn...

Page 67: ...nected 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 High Pressure Protection for water Hydro units 0 1 0 0 0 9 Reserved for 4 5 6 HP 0 1 0 0 1 10 Reserved for 4 5 6 HP 0 1 0 1 0 11 a Compressor IPM Fault b IPM Driver Pin c Compressor Current Sensor Fault 0 1 0 1 1 12 No Water Flow For Hydro Units only 0 1 1 0 0 ...

Page 68: ...citor bank DC voltage supply for the compressor is below operable too high value Check AC input line voltage RMS value it should read above 198VAC below 264VAC If voltage is above 198VAC below 264VAC and DC over voltage error is continuously display replace controller 15 a AC under voltage b AC over Voltage c Zero Crossing detection The AC input supply voltage is below the limit of 198V The AC inp...

Page 69: ...atch to high state Check DC FAN hall sensor connection plug for damage Check DC FAN for any blockage Measure between U V U W for resistance using 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 be detected from the compressor Check compressor cable o...

Page 70: ...unication The relevant LEDi will be Off Damage ODU IDU LED on DMSMP How to check 1 2 3 4 O To ODU No Com All no com Off Off Off Off Off Voltage To ODU no change Ro DMSMP No Com All no com Off Off Off Off Off Voltage To ODU changes Voltage Ro DMSMP no change To DMSMP No com All ok On On On On On Voltage Ro DMSMP changes Voltage To DMSMP no change Ro ODU No com All ok On On On On On Voltage To DMSMP...

Page 71: ...R 2 1 1 0 0 0 d e t c e n n o c s i d s i 2 T R 3 0 0 1 0 0 d e t r o h s s i 2 T R 4 1 0 1 0 0 d e v r e s e R 1 1 1 0 0 h c t a m s i m n o i t a c i n u m m o C 7 0 0 0 1 0 n o i t a c i n u m m o C o N 8 1 0 0 1 0 r e d o c n E o N 9 0 1 0 1 0 d e v r e s e R 0 1 1 1 0 1 0 t l u a F t i n U r o o d t u O 1 1 Reserved 1 0 0 0 1 n o i t c e t o r p t s o r f e D 7 1 0 1 0 0 1 n o i t c e t o r P...

Page 72: ...wiring and grounding 27 Using EEPROM data No problem 28 31 IDU model Indication DCI 25 35 50 60 12 4 Procedures for checking Main Parts 12 4 1 Checking Mains Voltage Con rm that the 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 cable lugs or wiring...

Page 73: ...ke out the refrigerant just pump down and shut off the main valves 12 4 6 Checking the thermistors Check Thermistor connections and wiring Repair if needed Check Thermistor resistance between 0ºC and 40ºC should be between 35KΩ and 5KΩ 12 4 7 Checking the communication Change to Stand by or Power OFF and re start If the fault is still Active check Indoor to Outdoor Communication wiring and groundi...

Page 74: ...it controller may have the potential hazard voltage when power is on Touching the Outdoor unit controller may cause an electrical shock Advise Don t touch the naked lead wire and don t insert nger conductor or anything else into the controller when power is on 12 5 2 Charged Capacitors Three large capacity electrolytic capacitors are used in the Outdoor unit controller Therefore charging voltage 3...

Page 75: ...13 1 SM YAZE218 1 A 2 GB 13 EXPLODED VIEWS AND SPARE PART LISTS 13 EXPLODED VIEW AND SPARE PART LIST 13 1Multi YAZE218 Exploded View ...

Page 76: ...tion 1 23 G467400082 Return Gas Temperature Sensor RGT φ6 DCI YAZ218 1 24 G467400083 Return Liquid Temperature Sensor RLT φ6 DCI YAZ218 1 2 G W A 2 1 5 1 0 1 L U e r i w d n u o r g 0 4 5 6 1 5 4 G 5 2 1 m m 0 8 6 G W A 6 1 5 1 0 1 L U e r i w d n u o r g 6 0 2 5 1 0 5 5 4 G 6 2 1 G W A 4 1 5 1 0 1 L U e r i W t c e n n o C 9 0 4 4 1 0 5 5 4 G 7 2 3 6 8 7 8 1 6 B G 4 2 D 8 M e g n a l F h t i W t ...

Page 77: ...14 1 SM YAZE218 1 A 2 GB 14 APPENDIX A 14 APPENDIX A INSTALLATION AND OPERATION MANUAL ...

Page 78: ...SERVICE MANUAL YAZE218 ...

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