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Page 1 Air-cooled Inverter Product Range Updated by: Yap Boon Thiam Technical Engineer Email: yapbt@oyl.com.myyapbt@oyl.com.my Date: 14/5/2012
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Page 2 Inverter Product Range Contents: 1.Product Range: Single Split Inverter (Series I) Single Split Inverter (Series II) Multi Split Inverter 2.Inverter Control 3.Troubleshooting Guidelines
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Page 3 Inverter Product Range Single Split Inverter Series I
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Page 4 Inverter Product Range Single split Inverter Series I – A5LCY OutdoorIndoor10152025 A5LCY-CR A5WMY-JR○○●● A5WMY-LR○○●● A5CKY-CR○○●○ A5CKY-ER○○●● A5CMY-ER○○●● A5CCY-CR○○●● A5LCY-DR A5WMY-JR●●○○ A5CKY-CR●●○○ A5CMY-ER○●○○ A5CCY-CR●●○○ A5LCY-FR A5WMY-LR●●○○ 5WMY-JR 5CKY-ER 5CMY-ER 5CCY-CR 5WMY-LR ●Available ○Not Available
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Page 5 Inverter Product Range Wall Mounted – A5WMY A5WMY10/15JR A5WMY10/15LR Vs Item A5WMY-JR A5LCY-DR A5WMY-LR A5LCY-FR CostStandardCost effective CompressorRotaryHermetic swing Weight3127 OD Dimension (HxWxD) 550x765x293550x658x289 Outdoor fan speeds 62 Lowest ambient Cooling/Heating -10/-1510/-15 New
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Page 6 Inverter Product Range A5WMY-Features High EER/COP performance. ALL Models rank A/A or Exceeds! High Quality & Efficiency DC Inverter compressor 5WMYJR SeriesLR Series (W/W)EERCOPEERCOP 103.423.623.494.06 153.333.623.333.76 203.733.75-- 253.303.74--
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Page 7 Inverter Product Range A5WMY-Features BioPro IAQ. Protection 1 Bio Antibody Filter -Able to eliminate up to 99.99% of various airborne infectious viruses -Deactivates influenza virus Protection 2 Titanium Apatite Filter -Dissolves odors and harmful airborne particles like dust, bacteria -Enhance photo catalytic capability Note: Standard for LR series and Optional for JR series
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Page 8 Inverter Product Range A5WMY-Features New Remote Control Turbo Mode- Fast cooling Quiet Mode Error code diagnosis Model Sound Pressure (dBA) 5WMY10LR21 5WMY15LR22 GS02
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Page 9 Inverter Product Range A5LCY Series 1- Specification Maximum piping length and elevation Model Max. total piping length (m) Max. height difference (m) Pre-charge for up to piping length (m) Additional charge (g/m) A5LCY10DR15107.520 A5LCY15DR15107.520 A5LCY10FR20107.520 A5LCY15FR20107.520 A5LCY20CR30107.520 A5LCY25CR30107.520
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Page 10 Inverter Product Range A5LCY Series I- Features A5LCY-DR A5LCX-CR Outdoor Control Box Made of plastic material More compact and lighter New
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Page 11 Inverter Product Range A5LCY Series I- Features Ease for Servicing Equipped with 7 segment display Able to retrieve error code and running parameter
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Page 12 Inverter Product Range A5LCY Series I- Features A5LCY-Series IA5LCX-Series I Outdoor coil Discharge pipe Outdoor ambient Heat sink- Heat sink thermistor to detect heat sink temperature New Thermistor
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Page 13 Inverter Product Range Single Split Inverter Series II
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Page 14 Inverter Product Range Single split Inverter Series II – A5LCY ●A5CMY62CR ●*A5CCY38CR 5CKY-ER 5CMY-ER 5CCY-CR OutdoorIndoor405060 A5LCY-FR Available in 1Ø & 3Ø A5CKY-ER●●○ A5CMY-CR○○● A5CMY-ER●●○ A5CCY-CR●*●● OutdoorIndoor A5LCY28CR A5CKY28ER A5CMY28ER A5CCY28CR ●Available ○Not Available
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Page 15 Improve sound level Equipped with a newly-developed turbo fan 4 selected fan speeds inclusive of Quiet mode Inverter Product Range Ceiling Cassette – A5CKY-ER Features Sound Pressure Level (dBA) comparison A5CKY-ARHigh FanA5CKY-ERHigh FanSilent Mode 2042203427 2545253730 2849304132 4051404436 5053504741 Improved!
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Page 16 Optimum air discharge Multi comfort 3 air swing pattern Inverter Product Range Ceiling Cassette – A5CKY-ER Features CK-ACK-E
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Page 17 Modern and Elegant design Unique “Round” side contour Side LED light location Even air distribution Rotatable intake grill Inverter Product Range Ceiling Cassette – A5CKY-ER Features Allow 90°Rotation A5CKY-ER A5CKY-AR
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Page 18 Compact Body Design Inverter Product Range Ceiling Cassette – A5CKY-ER Features ABC A5CKY20-50AR 350mm A5CKY20-28ER 290mm A5CKY40-50ER 325mm Lower Height! ModelDimension (mm) A5CKY-ERABC 20/25/28265290340 40/50300325275
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Page 19 Built in high head drain pump 700mm drain head Water level switch is incorporated with drain pump to monitor its water level Inverter Product Range Ceiling Cassette – A5CKY-ER Features
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Page 20 Automatic air swing The motorized louver enables the air flow to be evenly distributed Inverter Product Range Ceiling Convertible– A5CMY Features Maximum piping length and elevation Model Max. total piping length (m) Max. height difference (m) Pre-charge for up to piping length (m) Additional charge (g/m) A5LCY28CR5030 50 A5LCY40FR7530 50 A5LCY50FR7530 50 A5LCY60FR7530 50
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Page 21 Optional drain pump Flexible installation at side 700mm drain head Inverter Product Range Ceiling Convertible– A5CMY Features
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Page 22 Inverter Product Range LED Indicator- A5LCY28CR
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Page 23 Inverter Product Range LED Indicator- A5LCY40/50/60FR
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Page 24 Inverter Product Range Multi Split Inverter
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Page 25 Inverter Product Range Multi-split Inverter – A5MSY Outdoor Indoor Combination 1x2x3x4x A5MSY18BR (1 to 2) 1010+10-- 1510+15-- A5MSY20BR (1 to 2) 1010+10-- 1510+15-- 2010+20-- -15+15-- -15+20-- A5MSY25BR (1 to 3) 1010+1010+10+10- 1510+1510+10+15- 2010+2010+10+20- -15+1510+15+15- -15+2010+15+20- -20+2015+15+15- A5MSY30BR (1 to 4) 1010+1010+10+1010+10+10+10 1510+1510+10+1510+10+10+15 2010+2010+10+20- -15+1510+15+15- -15+2010+15+20- -20+2015+15+15- 5WMY10/15/20JR 5CMY15/20ER 5CKY10/15/20CR 5WMY10/15LR 5CCY10/15/20CR 5CKY20ER
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Page 26 Inverter Product Range A5MSY18BR Focus on residential market with 1 Bedroom + 1 Living Room More compact design and cost effective
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Page 27 Inverter Product Range A5MSY- Specification Maximum piping length and elevation
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Page 28 Inverter Product Range A5MSY- Features Better Energy Saving Achieve class A/A based on European Energy Efficiency Class ratings
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Page 29 Inverter Product Range A5MSY- Features A5MSY-BR A5MSX-AR Outdoor Control Box Made of plastic material More compact and lighter
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Page 30 Inverter Product Range A5MSY- Features LED light error indicator (self error diagnosis)
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Page 31 Inverter Product Range A5MSY - Features A5MSY-BRA5MSX-AR Outdoor coil Discharge pipe Outdoor air Gas pipe x no. of indoor unitGas pipe x 1 Liquid pipe x no. of indoor unitLiquid pipe x 1 Heat sink- New More feedback (Thermistors) Outdoor unit has more feedbacks New
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Page 32 Inverter Product Range A5MSY- Features Outdoor Fan Motor Compressor and Expansion Device Has a higher EER, lower vibration & noise and higher durability A5MSY-BRA5MSX-AR Fan motor typeReluctance DC3 Speeds AC Lowest Operating Ambient Cooling/Heating ( ̊ C) 0 / -1619 / -9 A5MSY-BRA5MSX-AR CompressorSwing typeScroll type Expansion deviceEXV
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Page 33 Inverter Product Range A5MSY - Features Wiring Error Check Self corrected wiring connection just pressing a button (SW3) After self-correction, OD will change the address in memory so that EXV A is link to Port B. Note: Wire check correction need to be carried out again if wiring is changed or corrected
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Page 34 Inverter Product Range A5MSY - Features Priority Room Setting Allow user to set a particular room which takes precedence over the operation mode of other rooms For example, if Room A is the priority room, when COOL mode is selected in Room A while Room B, C & D are operating in the following mode: Operation mode in Room B, C & D Status for Room B, C & D COOL or DRY or FANCurrent operation mode is maintained HEAT The unit enters Standby Mode. Operation resumes when Room A unit stops operating. AUTO If the unit is set to COOL mode, operation continues. If set to HEAT mode, it enters Standby Mode. Operation resumes when Room A unit stops operating.
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Page 35 Inverter Product Range A5MSY – Literatures GS02 Handset Operating Manual Manuals Brochure Installation Manual
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Page 36 Inverter Products Control
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Page 37 Inverter Product Range There are 5 operating modes: i.Cool mode When Tr ≥ Ts - 1.5°C -Comp, ID Fan and OD Fan ON When Tr ≤ Ts - 2°C ** -Comp and OD Fan OFF, ID Fan remain ON **When room temperature falling below compressor cut off point even on the lowest operation frequency, compressor will stop operates. Operating Mode Time Tr <= Ts - 2°C Comp will stop Lowest Freq Tr = Room Temperature Ts = Set Temperature
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Page 38 Inverter Product Range There are 5 operating modes: ii.Heat mode When Ts > Tr - 1.0°C -Comp, ID Fan and OD Fan ON When Tr ≥ Ts + 1.5°C ** -Comp and OD Fan OFF, ID Fan remain at lowest speed if ID coil ≥ 27°C **When room temperature rising above compressor cut off point even on the lowest operation frequency, compressor will stop operates. Operating Mode Time Tr - Ts ≥ 1.5°C Comp will stop Lowest Freq Tr = Room Temperature Ts = Set Temperature
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Page 39 Inverter Product Range There are 5 operating modes: iii.Fan mode Only High, Medium and Low fan speeds are allowed Changing cool mode to fan mode; the compressor and outdoor fan will stop Compressor will only ON if the minimum stop time is > 3 minutes if the user change back to cool mode Operating Mode
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Page 40 Inverter Product Range There are 5 operating modes: iv.Auto mode (for single split) Mode switching point: Heating Cooling Tr ≥ Ts + 2.5 Cooling Heating Tr ≤ Ts – 2.5 During initial operation Cooling operation: Tr > Ts Heating operation: Tr < Ts Operating Mode Tr = Room Temperature Ts = Set Temperature
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Page 41 Inverter Product Range There are 5 operating modes: v.Auto mode (for multi split) Without Priority Room Setting If more than 1 indoor is operating, priority is given to the first unit that was turned on If a unit is turned on later to the same operating mode as the first unit, the unit will operate as normal If a unit that are turned on later to the different operating mode as the first unit, the units will enter Standby mode With Priority Room Setting Unit operation subjected to Priority Room operating mode Operating Mode
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Page 42 Inverter Product Range Communication between ID and OD Master by outdoor unit Indoor PCB transmits signal to outdoor PCB every 0.5s. Outdoor unit will response to indoor once the valid data is received If the data communication line between indoor and outdoor disrupted for 15s continuously; Compressor will stop, OD fan will stop with fan delay timer. ID LED starts blinking error If the communication resumes within 15s; error code will be cleared and compressor restarts after 3 minutes If the communication does not resume after 15s; unit unable to restart and ID LED continues to blink Communication
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Page 43 Inverter Product Range To prevent frequent compressor ON/OFF and to allow pressure equalization The compressor will be on 3 minutes stand-by after turning OFF before it is allowed to turn ON OD fan delay by Off timer to improve pressure equalization and to prevent refrigerant from entering into evaporator Minimum Run Control
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Page 44 Inverter Product Range Allow unit to automatically resume the same operating mode it was in before a power failure Factory pre-set Change over switching is only carried out during operation Auto Restart 4 Way Valve Control Operating mode4-way valve is Heat, except for defrostON Cool Dry Defrost OFF
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Page 45 Inverter Product Range Defrost Cycle During defrost5LCY Series I5LCY Series II5MSY CompressorON 4-way valveOFF EXV in operating roomFixed opening EXV in non operating room-- Fixed opening Outdoor fanOFF Indoor fanOFF
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Page 46 Inverter Product Range Defrost Cycle- A5LCY Series I Condition for entering defrost Compressor minimum run time of 6 minutes; OR Compressor accumulated run time of 45 minutes if OD coil < 3 C When OD coil < 0 C AND OD coil < OD air - 10 C Condition for terminating defrost OD coil > 12 C; OR Total defrost timer of 650 seconds
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Page 47 Inverter Product Range Defrost Cycle- A5MSY Condition for entering defrost Compressor minimum run time of 6 minutes; OR Compressor accumulated run time > 38 minutes Based on OD coil temperature, output frequency & OD air temperature Condition for terminating defrost Minimum run time of 120 seconds; AND Determine based on OD ambient, in the range of 4 C ≤ OD coil ≤ 12 C; OR Total defrost timer of 650 seconds
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Page 48 Inverter Product Range Indoor coil freeze prevention Outdoor fan control is carried out: Only available in cooling mode When the indoor coil temperature < 2°C, the compressor starts to drop the frequency This protection will cut in when: Indoor coil temperature < 0°C for more than 180s. Compressor will stop, OD fan stop after 30s and indoor fan can only run at lowest fan speed The unit can only be restarted after 3 minutes When the indoor coil temperature > 13°C, the compressor frequency will be reset based on the OD ambient, room and set temperature
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Page 49 Inverter Products Troubleshooting Guidelines
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Page 50 Inverter Product Range From Indoor panel When error occurs, indoor LED display will start blinking continuously: Green light The blinking pattern does not indicate of error details The error details could be retrieved from handset Error Indication
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Page 51 Inverter Product Range Error Indication From Wireless Handset (GS02) Retrieve error code (steps) i.Hold down On Timer Cancel or Off Timer Cancel for 5 seconds until “ ” indication flashes on the handset temperature display section ii.Press again On Timer Cancel or Off Timer Cancel repeatedly until ID buzzer produces a long beep means there is error occur. Error code will be indicates on the display (refer error code table in the manual) iii.If it is a short beep or two consecutive beeps, indicates No Error on the unit iv.To cancel error code display, press On Timer Cancel or Off Timer Cancel for 5 seconds or leave the button not press for 1 minute
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Page 52 Inverter Product Range From Wireless Handset (GS02) Retrieve last state error (steps) i.Remove battery from the handset and put it in back ii.Immediately press Mode and On/Off button together until “ “ is being displayed iii.Press Mode button until 5:00 is displayed iv.Press On/Off button once v.Repeat step (i) vi.Repeat steps retrieve error code above Error Indication ON/OFF button Mode button
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Page 53 Inverter Product Range From Wired controller Netware 3C “ “ and error code will be displayed on the last 2 digits of the clock display Retrieved last state memory by pressing Sleep and Timer Active together and the error will be displayed Error Indication
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Page 54 Normal operation From Outdoor i. A5LCY Series I: 7 segment display When there is no error, compressor running frequency is displayed When there is error, it flashes the error code Inverter Product Range Error Indication Flashing error code
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Page 55 From Outdoor i. A5LCY Series I: 7 segment display (con’t) Could also retrieve unit operating condition i. Press the tact switch, the 7 segment will start to flash from “00”. Press again, it will show “ 01” and subsequent running number shows the parameter number ii. In split second without pressing the tact switch, parameter measurement of the particular code above will be displayed Inverter Product Range Error Indication
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Page 56 Inverter Product Range From Outdoor ii. A5LCY28CR: 5 LED light indicator
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Page 57 Inverter Product Range From Outdoor ii. A5LCY40/50/60FR: LED light indicator
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Page 58 From Outdoor iii.A5MSY20/25/30BR: 5 LED light indicator Inverter Product Range Error Indication
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Page 59 Resistance value: 10k @ 25degC All indoors except A5WMY-LR A5LCY-10/15DR, 20/25CR Inverter Product Range Thermistor resistance table
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Page 60 Resistance value: 20k @ 25degC A5WMY10/15LR MLCY10/15FR A5LCY-Series II Except discharge sensor A5MSY Inverter Product Range Thermistor resistance table
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Page 61 For A5LCY-Series II discharge sensor Inverter Product Range Thermistor resistance table
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Page 62 The End
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