Change for life MULTI+ ULTRA SERIES Service & Parts Manual MULTIU18HP230V1DO MULTIU24HP230V1DO MULTIU36HP230V1DO MULTIU42HP230V1DO GREE ELECTRIC APPLIANCES, INC.
Service Manual Table of Contents Part Ⅰ : Technical Information........................................................................1 1. Summary.......................................................................................................................1 2. Specifications...........................................................................................................2 2.1 Specification Sheet..............................................................................................
Service Manual Part Ⅰ : Technical Information 1. Summary Outdoor Unit MULTIU18HP230V1DO MULTIU24HP230V1DO MULTIU36HP230V1DO MULTIU42HP230V1DO No.
Service Manual 2. Specifications 2.1 Specification Sheet Model Product Code Rated Voltage Power Rated Frequency supply Phases Cooling capacity Heating capacity Cooling Power Input Heating Power Input Cooling Current Input Heating Current Input Rated Power Input Rated Current EER COP SEER HSPF MULTIU18HP230V1DO CB228W09400 208/230 60 1 18000 21000 1450 1710 6.3 7.4 5000 22 12.5 12.3 23 10.5 ZHUHAI LANDA COMPRESSOR CO.,LTD QXFW-D318zX035 FW68DA or equivalent Inverter Rotary / 14.
Service Manual Cross-sectional Area of Power Cable Conductor Recommended Power Cable(Core) Connection Pipe Connection Method Not Additional Gas Connection Pipe Length Connection Pipe Gas Additional Charge Outer Diameter of Liquid Pipe1(GREE Allocation) (Metric) Outer Diameter of Liquid Pipe2(GREE Allocation) (Metric) Outer Diameter of Liquid Pipe3(GREE Allocation) (Metric) Outer Diameter of Liquid Pipe4(GREE Allocation) (Metric) Outer Diameter of Gas Pipe1(GREE Allocation) Outdoor (Metric) Unit Outer Diame
Service Manual Model Product Code Rated Voltage Power Rated Frequency supply Phases Cooling capacity Heating capacity V~ Hz Btu/h Btu/h Cooling Power Input W 4020 Heating Power Input Cooling Current Input Heating Current Input Rated Power Input Rated Current EER COP SEER HSPF W A A W A (Btu/h)/W (Btu/h)/W 3300 17.48 14.35 7360 32 9.0 10.96 23.0 10.0 Compressor Trademark Compressor Model Compressor Refrigerant Oil Type Compressor Type L.R.
Service Manual Cross-sectional Area of Power Cable Conductor Recommended Power Cable(Core) Connection Pipe Connection Method Not Additional Gas Connection Pipe Length Connection Pipe Gas Additional Charge Outer Diameter of Liquid Pipe1(GREE Allocation) (Metric) Outer Diameter of Liquid Pipe2(GREE Allocation) (Metric) Outer Diameter of Liquid Pipe3(GREE Allocation) (Metric) Outer Diameter of Liquid Pipe4(GREE Allocation) (Metric) Outer Diameter of Liquid Pipe4(GREE Allocation) (Metric) Outer Diameter of Gas
Service Manual 2.
Service Manual MULTIU24HP230V1DO Cooling Outdoor Ambient Temperature (DB) °F TC 17067 17664 18502 20271 21541 22315 22704 24582 27840 27511 26158 24756 23558 22949 22349 21750 0°F 5°F 14°F 23°F 32°F 41°F 50°F 59°F 68°F 77°F 86°F 95°F 104°F 113°F 122°F 129°F 68F DB 57F WB SHC 13385 13852 14511 15901 16894 17502 17806 19279 21835 21580 20513 19417 18477 17997 17527 17057 Indoor Entering Air Temperatures 73°F DB 61°FWB TC SHC 18044 14137 18674 14631 19546 15324 21682 17008 22756 17847 23566 18482 24284 1
Service Manual MULTIU36HP230V1DO Cooling Outdoor Ambient Temperature (DB) °F 0°F 5°F 14°F 23°F 32°F 41°F 50°F 59°F 68°F 77°F 86°F 95°F 104°F 113°F TC 21827 21927 22968 25164 25758 23613 21549 30516 34560 34152 32472 30732 29244 27744 68F DB 57F WB SHC 16500 17196 18014 19740 45964 65750 81552 23933 27106 26790 25465 24103 22936 21757 Indoor Entering Air Temperatures 73°F DB 61°FWB TC SHC 22800 18000 23181 18162 24264 19023 26916 21113 27663 49363 25520 71058 23437 88695 32640 25598 36720 28795 36324 28
Service Manual MULTIU42HP230V1DO Cooling Indoor Entering Air Temperatures Outdoor Ambient Temperature (DB) °F TC 24000 25582 26796 29358 30051 27549 25141 35602 40320 39844 37884 35854 34118 32368 0°F 5°F 14°F 23°F 32°F 41°F 50°F 59°F 68°F 77°F 86°F 95°F 104°F 113°F 68F DB 57F WB SHC 19500 20062 21016 23030 53625 76709 95143 27922 31623 31254 29709 28121 26759 25384 TC 26000 27045 28308 31402 32274 29773 27343 38080 42840 42378 40404 38360 36610 34860 73°F DB 61°FWB SHC 20500 21189 22193 24632 5759
Service Manual 3.
Service Manual 4.
Service Manual 5. Electrical Part 5.1 Wiring Diagram ●Instruction Symbol WH YE Symbol Color White Yellow RD YEGN VT Symbol GN BN Symbol Color GREEN Brown Red BU Blue Yellow/Green BK Black Violet OG Orange Symbol COMP Name Compressor Grouding wire ● Outdoor Unit MULTIU18HP230V1DO 7(50,1$/ %/2&. %1 %. %1 / :+ %8 %8 / *1 <(*1 <(*1 / / ,1'225 81,7 $ 32:(5 ;7 :+ %8 %. 5' %1 *1 <(*1 ,1'225 81,7 % * :+ %8 %.
Service Manual MULTIU24HP230V1DO 7(50,1$/ %/2&. %1 %. %1 / :+ %8 %8 / *1 <(*1 <(*1 / / 32:(5 ,1'225 81,7 $ :+ %8 ,1'225 81,7 % :+ %8 ,1'225 81,7 & ;7 :+ %8 * *1 <(*1 * *1 <(*1 * *1 <(*1 0$*1(7,& 5,1* / %. 7(50,1$/ %/2&. %8 ;7% %1 0$*1(7,& 5,1* *< / 1 7(50,1$/ %/2&. %8 ;7& %8 7(50,1$/ %/2&. %1 %8 $& 1 7 6(1625 ) JUHHQ (/(&7521,& (;3$16,21 (.9 9$/9( & ) & 6(1625 UHG (/(&7521,& (;3$16,21 (.
Service Manual MULTIU42HP230V1DO 32:(5 / %. %1 / :+ %8 *1 <(*1 ,1'225 81,7 ( ,1'225 81,7 ' ,1'225 81,7 & ,1'225 81,7 % ,1'225 81,7 $ * 7(50,1$/ %/2&. %1 / $& / $& / $3 $& 1 0DLQ %RDUG $& 1 %8 / ;7 ( 3( <(*1 %8 7(50,1$/ %/2&. :+ %8 1 %. 5' %1 *1 <(*1 ;7$ * %8 7(50,1$/ %/2&. :+ %8 1 %. 5' %1 *1 <(*1 ;7% %8 * 7(50,1$/ %/2&. :+ %8 1 %. 5' %1 *1 <(*1 ;7& * %8 7(50,1$/ %/2&. :+ %8 1 %. 5' %1 *1 <(*1 ;7' * %8 7(50,1$/ %/2&. :+ %8 1 %.
Service Manual 5.
Service Manual MULTIU36HP230V1DO MULTIU42HP230V1DO ● TOP VIEW 1 2 3 4 5 6 7 8 1 9 2 10 3 11 4 12 13 5 14 6 15 7 8 16 9 10 11 12 13 20 ● BOTTOM VIEW 16 19 18 17 14 15 16 17 18 19 20 Compressor three phase input interface Terminal of system low pressure protection Terminal of system high pressure protection Overload interface of compressor Interface of temperature sensor Air valve temperature package Liquid valve temperature package Terminal of electronic expansion valve Inhalatio
Service Manual 6. Function and Control 1.Function Control 1) Cooling mode a. Turning on the unit for cooling operation, and if any one of the indoor units satisfy the cooling operation condition, the system will start for cooling operation; and the electronic expansion valve, the outdoor fan and the compressor start operation. b.
Service Manual 3) High exhaust temperature protection If the exhaust temperature is higher than protection value, the compressor stops running. If the exhaust temperature protection continuously appears for 6 times, the compressor can’t resume running. In this case, only by cutting off the power and then reenergize that the compressor can restart. If the running duration of the compressor is longer than 10min, the protection times will be cleared to zero time.
Service Manual Part Ⅱ : Installation and Maintenance 7. Safety Precautions Forbidden Items! It indicates that improper operation might lead to human casualty or sever injury. Items need to be followed. It indicates that improper operation might lead to personal injury or property damage. Follow this instruction to complete the installation work. Please carefully read this manual before unit startup and service. Installation should be conducted by dealer or qualified personnel.
Service Manual Main Tools for Installation and Maintenance 1. Level meter, measuring tape 2. Screw driver 3. Impact drill, drill head, electric drill 20 4. Electroprobe 5. Universal meter 6. Torque wrench, open-end wrench, inner hexagon spanner 7. Electronic leakage detector 8. Vacuum pump 9. Pressure meter 10. Pipe pliers, pipe cutter 11. Pipe expander, pipe bender 12.
Service Manual 8.
Service Manual 8.1 Preparation before Installation 8.1.1 Standard parts Please use the following standard parts supplied by GREE. Namber 1 2 name Pars of Outdoor Unit picture Remark Quantity Owner’s manual 1 Tube connector subassy 18/24/36K:8; 42K:9 8.1.2 Selecting installation site Forbidden Items! It indicates that improper operation might lead to human casualty or sever injury. Items need to be followed. It indicates that improper operation might lead to personal injury or property damage.
Service Manual When the outdoor unit is totally surrounded by walls, the installation space of the unit should be as required in Fig.1. ＞19 2/3 ＞ 19 2/3 ＞ 19 2/3 ＞39 3/8 ＞78 3/4 ＞19 2/3 ＞78 3/4 unit:inch Fig.1 8.1.3 Piping Connection The maximum pipe length is shown in the following table. When the distance between units (piping length) is out of the range listed below, normal run of the unit can not be guaranteed. M odel Connecting Pipe ( inch) L iqu id Gas M ax.
Service Manual 8.2 Installation Instruction 8.2.1 Outline and dimension of the outdoor unit NAME OF PARTS WARNING ● If the supply cord is damaged, it must be replaced by the manufacturer or its service agent or a similarly qualified person in order to avoid a hazard. ● Be sure to cut off the power supply before cleaning the air conditioner; otherwise electricshock might happen. ● Wetting of air conditioner may cause the risk of electric shock. Make sure not to wash your air conditioner in any case.
Service Manual ELECTRICAL CONNECTIONS MULTIU18HP230V1DO 1. Remove the handle at the right side plate of the outdoor unit (one screw). 2. Remove the cable clamp, connect the power connection cable with the terminal at the row of connection and fix the connection. The fitting line distributing must be consistent with the indoor unit. terminal of line bank.Wiring should meet that of indoor unit. 3. Fix power connection wire by wire clamp. Safety Precautions 4.
Service Manual Safety Precautions Please read this manual carefully before using and operating Please especially take notice of the following two symbols: Location INSTALLING THE OUTDOOR UNIT MULTIU36HP230V1DO Use bolts to secure the improper unit to a flat, solid floor.
Service Manual Vacuum pump BLEEDING Humid air left inside the refrigerant circuit can cause compressor (8) Secure INDOOR UNIT malfunction. After having connected the indoor and outdoor units, Refrigerant fluid direction of fiow bleed the air and humidity from the refrigerant circuit using a 3-way valve vacuum pump. (6) Open by 1/4 turn (1) Unscrew and remove the caps from the 2-way and 3-way (7)Turn to open fully Service inlet valves. (2) Unscrew and remove the cap from the service valve.
Service Manual MULTIU24HP230V1DO 50cm or more Space to the cover 30cm or above Space to the cover 30cm or above (Air inlet side) 200cm or above (Air outlet side) 5 0c m or ab ov e S p ac e to th e w al l MULTIU36HP230V1DO MULTIU42HP230V1DO 50cm or more Space to the cover 30cm or above Space to the cover 200cm or above (Air outlet side) 30cm or above (Air inlet side) 50 cm or ab ov e 28 Installation and Maintenance
Service Manual 9. Troubleshooting 9.1 Malfunction Indicator ▲ The error code will be displayed on the wired controller and the main board of the outdoor unit The meaning of each error.
Service Manual 9.
Service Manual All the indoor units appear communication malfunction De-energize,check the connection wire of indoor and outdoor unit and the wire of the eletric box is connected correctly Connected correctly? N Reconnect according to the wiring diagram Y Eliminate the malfunction Y De-energize, check if the connection wire between the outdoor mainboard and the filter board according to the wiring diagram Connected correctly? Reconnect according to the wiring diagram N Eliminate the malfunction
Service Manual Malfunction display: E1 Compressor High Pressure Protection High pressure protection Y N Check if the pressure is really high pressure with the measurement of a manometer Check if pressure switch is abnormal N Replace the outdoor unit mainboard Y Y Check if operation mode of indoor unit is N Refer to Instruction Manual of indoor unit N Completely open the valve properly set Replace pressure switch Y Check if gas valve and liquid valve are completely open Y Check if the panel
Service Manual Malfunction display: E4 Compressor Exhaust High Temperature Protection Discharge temperature protection Y Measure if compressor’s discharge temperature has reached 115℃ N Measure if temperature sensor’s resistance value is correct Y N Replace relevant discharge temperature sensor Y System pipeline leaks so complementation is needed.
Service Manual Malfunction display: F2 Failure of Evaporator Temp.
Service Manual Malfunction display: F3 Failure of Outdoor Ambient Sensor Failure of outdoor Ambient sensor Y Check if the plug of the temperature sensor is correctly connected with socket on the mainboard N Check the direction of the plug and socket Y Remove the sensor to check if the resistance value is ok N Replace temperature sensor Y Replace mainboard of the indoor uint Malfunction display: F5 Failure of Exhaust Temp. Sensor Failure of Exhaust Temp.
Service Manual 9.3 Maintenance Method for Normal Malfunction 1. Air Conditioner Can't be Started Up Possible Causes No power supply, or poor connection for power plug Discriminating Method (Air conditioner Status) Troubleshooting Confirm whether it's due to power failure. If yes, After energization, operation indicator isn’t bright wait for power recovery. If not, check power and the buzzer can't give out sound supply circuit and make sure the power plug is connected well.
Service Manual 4.
Service Manual 10. Exploded View and Parts List MULTIU18HP230V1DO MULTIU24HP230V1DO 28 22 21 4 5 20 19 18 17 7 8 16 15 27 29 26 25 24 23 1 2 3 6 9 10 11 12 13 14 The component picture is only for reference; please refer to the actual product.
Service Manual NO.
Service Manual MULTIU36HP230V1DO 58 59 53 54 52 51 50 47 46 48 49 43 44 45 55 60 62 61 37 56 57 42 41 40 39 38 36 35 34 33 32 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 The component picture is only for reference; please refer to the actual product.
Service Manual NO.
Service Manual MULTIU42HP230V1DO 58 59 53 54 52 51 50 47 48 49 43 44 45 46 55 60 56 57 62 61 42 63 41 40 39 38 37 36 35 34 33 32 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 The component picture is only for reference; please refer to the actual product.
Service Manual NO.
Service Manual 11. Removal Procedure Warning: Be sure to wait for a minimum of 20 minutes after turning off all power supplies and discharge the refrigerant completely before removal. MULTIU18HP230V1DO MULTIU24HP230V1DO Steps Procedure 1. Remove the handle and valve cover handle Remove the screws connicting the handle with right side plate and then remove the handle. Remove the screws connicting the valve cover and then remove the valve cover. valve cover 2.
Service Manual Steps Procedure 4.Remove grille and cabinet cabinet Remove the 4 screws connecting the grille and outer case, and then remove the panel grille. grille 5.Remove right side plate and blade right side plate Remove the screws connecting the right side plate with electric box assy, valve support, chassis and condenser side plate, and then remove the right side plate. Remove nuts fixing axial flow blade with wrench, and then remove the axial flow blade. blade 6.
Service Manual Steps Procedure 7. Remove motor and motor support motor support Remove 4 screws fixing motor,and then remove the motor; Remove 2 screws connecting motor support and chassis, loosen damper block and then remove the motor support. 8. Remove clapboard sub-assy motor clapboard sub-assy Remove 4 screws fixing clapboard sub-assy,and then remove the clapboard sub-assy. 9.
Service Manual Steps Procedure 10. Remove flash vaporizer assy flash vaporizer assy Unsolder all spot welds cflash vaporizer assy, and then remove the flash vaporizer assy. 11. Remove electromagnetic valve sub-assy and inhalation tube sub-assy electromagnetic valve sub-assy Unsolder all spot welds electromagnetic valve subassy and then remove the electromagnetic valve subassy. Unsolder all spot welds inhalation tube sub-assy and then remove the inhalation tube sub-assy.
Service Manual Steps Procedure 13. Remove compressor compressor Remove the 3 foot nuts fixing compressor and then lift the compressor upwards to remove the compressor and damping cushion. Note: Keep the ports of discharge pipe and suction pipe from foreign objects. 14.Remove vapour liquid separator Unsolder spot welds connected with vapour liquid separator, remove 2 foot nuts fixing vapour liquid separator and compressor mounting plate sub-assy, and then remove the vapour liquid separator.
Service Manual Steps Procedure 16.Remove left side plate support plate of condenser Remove screws connecting left side plate and support plate of condenser, chassis, and then remove the left side plate. left side plate 17.Remove compressor mounting plate sub-assy Remove the 4 foot nuts fixing compressor mounting plate sub-assy and chassis, to remove the compressor mounting plate sub-assy. compressor mounting plate sub-assy 18. Remove condenser Pull it upwards to separate the chassis and condenser.
Service Manual MULTIU36HP230V1DO MULTIU42HP230V1DO Steps Procedure 1. Remove the handle and valve cover handle Remove the screws connicting the handle with right side plate and then remove the handle and valve cover. valve cover 2. Remove top cover top cover Remove the screws connecting the top cover with outer case, right side plate and left side plate; lift the top cover upwards to remove it. 3.
Service Manual Steps Procedure 5.Remove right side plate right side plate Remove the screws connecting the right side plate with electric box assy, valve support, chassis and condenser side plate, and then remove the right side plate. 6.Remove grille and cabinet cabinet Remove the 4 screws connecting the grille and outer case, and then remove the panel grille. grille 7.
Service Manual Steps Procedure 8. Remove electric box assy electric box assy 1.Remove the grounding wire screw on the electric box assy and then remove the grounding wire. 2.Disconnect the wiring terminals of reactor, compressor, high and low pressure switch, compressor overload protector, temperature sensor, outdoor fan motor and 4-way valve.
Service Manual Steps Procedure 11. Remove oil separator sub-assy oil separator sub-assy Unsolder all spot welds oil separator sub-assy and then remove the oil separator sub-assy. Note:When unsoldering the spot weld, wrap the gas valve and liquid valve with wet cloth completely to avoid damage to valve due to high temperature. 12. Remove inhalation tube sub-assy inhalation tube subassy Remove all spot welds inhalation tube sub-assy, and then remove the inhalation tube sub-assy. 13.
Service Manual Steps Procedure 14.Remove connection pipe sub-assy Remove all spot welds connection pipe sub-assyand then remove the connection pipe sub-assy. connection pipe sub-assy 15.Remove electromagnetic valve sub-assy Remove all spot welds electromagnetic valve sub-assy and then remove the electromagnetic valve sub-assy. electromagnetic valve sub-assy 16.
Service Manual Steps Procedure 17. Remove valve support valve support Unsolder all spot welds connected with valve support and then remove the valve support. Note:When unsoldering the spot weld, wrap the gas valve and liquid valve with wet cloth completely to avoid damage to valve due to high temperature. 18. Remove accumulator Remove the screws connecting the accumulator and remove the accumulator. accumulator 19.
Service Manual Steps Procedure 20.Remove supporting board and supporting board sub-assy Remove the screws connecting the gsupporting board and supporting board sub-assy and remove the gsupporting board and supporting board sub-assy. supporting board supporting board sub-assy 21. Remove compressor Remove the 3 foot nuts fixing compressor and then lift the compressor upwards to remove the compressor and damping cushion. Note: Keep the ports of discharge pipe and suction pipe from foreign objects.
Service Manual Steps Procedure 23. Remove middle isolation sheet middle isolation sheet Remove screws connecting middle isolation sheet and support plate of condenser, chassis, and then remove the middle isolation sheet. 24.Remove left side plate support plate of condenser Remove screws connecting left side plate and support plate of condenser, chassis, and then remove the left side plate. left side plate condenser 25.
Service Manual Appendix: Appendix 1: Reference Sheet of Celsius and Fahrenheit Conversion formula for Fahrenheit degree and Celsius degree: Tf=Tcx1.8+32 Set temperature Fahrenheit Fahrenheit display Celsius（℃） temperature （℉） （℉） 61 60.8 16 62/63 62.6 17 64/65 64.4 18 66/67 66.2 19 68 68 20 Fahrenheit Fahrenheit display Celsius（℃） temperature （℉） （℉） 69/70 69.8 21 71/72 71.6 22 73/74 73.4 23 75/76 75.
Service Manual Note: Expander Hard mold ● "A" is different according to the diameter, please refer to the sheet below: Outer diameter(inch) Ф0.23 - 0.25 (1/4") Ф9.52 (3/8”) Ф0.37 - 0.5 (1/2”) Ф0.63 (5/8”) Max 0.051 0.063 0.071 0.095 A(inch) Pipe Min 0.028 0.039 0.039 0.087 F:Inspection ● Check the quality of expanding port. If there is any blemish, expand the port again according to the steps above.
Service Manual Appendix 3: List of Resistance for Temperature Sensor Resistance Table of Ambient Temperature Sensor for Indoor and Outdoor(15K) 60 Temp(oC) Resistance(kΩ) Temp(oC) Resistance(kΩ) Temp(oC) Resistance(kΩ) Temp(oC) Resistance(kΩ) -19 138.1 20 18.75 59 3.848 98 1.071 -18 128.6 21 17.93 60 3.711 99 1.039 -17 -16 121.6 22 17.14 61 3.579 100 1.009 115 23 16.39 62 3.454 101 0.98 -15 108.7 24 15.68 63 3.333 102 0.952 -14 102.9 25 15 64 3.
Service Manual Resistance Table of Tube Temperature Sensors for Indoor and Outdoor (20K) Temp(oC) Resistance(kΩ) Temp(oC) Resistance(kΩ) Temp(oC) Resistance(kΩ) Temp(oC) Resistance(kΩ) -19 181.4 20 25.01 59 5.13 98 1.427 -18 171.4 21 23.9 60 4.948 99 1.386 -17 162.1 22 22.85 61 4.773 100 1.346 -16 153.3 23 21.85 62 4.605 101 1.307 -15 145 24 20.9 63 4.443 102 1.269 -14 137.2 25 20 64 4.289 103 1.233 -13 129.9 26 19.14 65 4.14 104 1.
Service Manual Resistance Table of Discharge Temperature Sensor for Outdoor(50K) 62 Temp(oC) Resistance(kΩ) Temp(oC) Resistance(kΩ) Temp(oC) Resistance(kΩ) Temp(oC) Resistance(kΩ) -29 853.5 10 98 49 18.34 88 4.75 -28 799.8 11 93.42 50 17.65 89 4.61 -27 750 12 -26 703.8 13 89.07 51 16.99 90 4.47 84.95 52 16.36 91 4.33 -25 660.8 14 81.05 53 15.75 92 4.20 -24 620.8 15 77.35 54 15.17 93 4.08 -23 580.6 16 73.83 55 14.62 94 3.96 -22 548.9 17 70.
JF00304118 GREE ELECTRIC APPLIANCES, INC. OF ZHUHAI Add: West Jinji Rd, Qianshan, Zhuhai,Guangdong, China, 519070 Tel: (+86-756) 8522218 Fax: (+86-756) 8669426 E-mail: gree@gree.com.cn www.gree.com HONG KONG GREE ELECTRIC APPLIANCES SALES LIMITED Add: Unit 2612,26/F.,Miramar Tower 132 Nathan Road,TST,Kowloon,HK Tel: (852) 31658898 Fax: (852) 31651029 For product improvement, specifications and appearance in this manual are subject to change without prior notice.
