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Indoor Units-Slim Recessed Fan Coil Unit EF

1. environment Horizontality Check of the Indoor Unit After the installation of the indoor unit its horizontality must be checked to make sure the unit keep horizontal fore and aft and keep an inclination of 5 toward the drain pipe right and left as No Name No Name shown in Fig 6 1 Return Air Duct 6 Transition Duct Horizontality Check Device 9 Canvas Duct 7 Air Supply Duct YYyyyyfffaa lt a 3 Return Air Louver 8 Diffuser 4 Hanger 9 Diffuser Joint G es e l a 3 Installation Steps of the Round Air Supply Duct z 5 1 Preinstall the outlet of the round duct on the transition duct and then fix it by the tapping 9 screw 2 Place the transition duct to the air outlet of the unit and fix it with rivet CONNECTING AIR DUCTWORK 3 Connect the outlet to the duct and then tighten them with tape Other installation details are not covered herein Installation of the Air Supply Duct CAUTION The maximum length of the duct means the maximum length of the air supply duct plus the maximum length of the return air duct SSS SEES For the unit with the auxiliary electric heating function if the round duct is to be adopted then the straight length of the transition duct can not be less than
2. e e 1 fn b ol o o o UL L AL add LLR LL LL L eles LL LL LL LLL L L L Wrong Fig 14 ae 5 Insert the drain hose into the drain hole and tighten it with clamps a aceee ee ty 6 Wrap ue camps WN large amount of sponge tor thermal insulation C E B 7 The drain hose inside the room also should be insulated x JIN gt accessory Sponge accessory S oll E lll 14 ile eee g Clamp Z ia sn a2 accessory 7 41 Y i 2 Fig 17 Test for the Drainage System 1 After the electric installation please take a test for the drainage system 2 During the test check if the water flow goes through the pipe correctly and observe Sponge gray Drain Hose Max 0 2in Fig 15 YMGI Engineered Comfort Products for A Sustainable and Efficient Green World P18 OF 18 YMGI Engineered Comfort Products for A Sustainable and Efficient Green World P17 OF 17 carefully the joint to see if it leaks or not If this unit is installed in the newly built house it is allowed on the joint of the indoor unit as shown in Fig 19 suggested to take this test prior to the ceiling decoration Pip
3. 19 INS TALLATIONSINDOOR UNITS 2 2228ss95eesesesqScqcheeses ti te sea eee ea ee eee 19 CONNECT REFRIGERANT PIPES BETWEEN INDOOR AND OUTDOOR UNITS 22 PIPING GUIDE a ee eee 23 REMOTE CONTROL BUTTON NAME amp FUNCTIONS 79333730 72 o niei ee 24 OPERATION OF REMOTE CONTROL 28 OPERATION AT EMERGENCY 29 CLEAN AND CARE 29 PROTECTION SIGNS AND ERROR CODES 31 CHECKING UNITS PRIOR TO CONTACTING YOUR TECHNICIAN 7 7 33222 31 EXPLOSIVE VIEW AND SPARE PARTS LIST 34 CUSTOMER AND TECHNICIAN MUST READ 40 USER NOTES AND INSTALLATION SERVICE MAINTENANCE NOTES 46 A CAU T O N All Units Shall Be Installed by Experienced or Licensed Contractor Or Technician Read Manuals before Installation A CAU T i O N Following NEC State and Local Codes and Installation Instructions of All Units Otherwise Unit Warranty Will Be Void and Serious Damage To People Or Property May Be Caused A WARNIN G YMGI Group Will NOT Take Any Responsi
4. GC G eee COMPONENT POSITION MAP LIQUID TRANSFORMER SWITCH PUMP MOTOR Condensate water ran C L L YEGNCGN CAPACITOR G YMGI Engineered Comfort Products for A Sustainable and Efficient Green World P24 OF 24 NOILONAYLSNI S 44dTIVLSNI NOILONULSNI S 4SdTIVLSNI TEST AND CHECK ITEMS AFTER INSTALLATION TEST OPERATION 1 Prepare for test 1 Do not turn on the power switch before all installation is finsihed we 2 e 3 Open the check valve i gt 4 2 Testing Connect wires correctly and firmly SST N NN Remove all dust 1 Turn on the power switch and press ON OFF button 2 Press MODE button to select COOL HEAT FAN etc to test whether it operates normally 3 Emergency operation When the unit is stopped you can press the AUTO button on the cover NO Il then the unit is in AUTO mode When the unit is stopped you can press the AUTO button on cover NO Il then unit is in AUTO mode The air conditioner selects COOL HEAT DRY FAN modes automatically When operating press the AUTO button the air conditioner will stop NOTE The TEST button on the cover No Il is specially for testing the air conditioner When pressing it the air conditioner will be forced to operate or stop Do not press it when air conditioner is in normal operation For the following items take special care during construction and check after installation is finished
5. YMGI Group POB 1559 O Fallon MO 63366 USA Tel 866 833 3138 Fax 866 377 3355 Web Site www ymgigroup com Email info ymgigroup com Literature Part No LIT WMMS 59 2 EF II amp OM Manuals 20140507 Subject to Continuous Engineering Change and Product Improvement without Notice YMGI is the Trademark and Property of YMGI Group Copyright of YMGI Group YM G Air Conditioner amp Heat Pump l gt RS oe ys Y ea py ACER for Maxime YMGI Engineered Comfort Products for A Sustainable and Efficient Green World INSTALLER S INSTRUCTION amp USER S MANUAL DC INVERTER MULTIPLE ZONE 59 2 SYMPHONY CHOIR INDOOR UNIT RECESSED FAN COIL UNIT EF a INVERTER Na WMMS 09EF V2B 59 2 WMMS 12EF V2B 59 2 WMMS 18EF V2B 59 2 WMMS 24EF V2B 59 2 TERTE ET ARDI CERTIFIED C US www ahridirectory org Liste A WARNING This product is designed and manufactured free from defects in material and workmanship for the normal use and maintenance Installation operation maintenance and service shall follow professional practices for regular cooling and heating equipment NEC State City or Local Codes and related manuals from YMGI Otherwise damage to equipment or property even injury to people may occur Installer Currently licensed HVAC technician only Read manual before installation Fully fill in warranty registration card User Keep this manual for future maintenanc
6. 1 Speed RMP H M L RMP H M L 970 760 640 Type Piece Centrifugal 2 2 PA VEE Diameter x Width In 5 5 X 9 3 A gt Z gt Z gt Z gt gt 4 N N N gt Swing Step Motor Output W Input Power of Ele Heater Type W N gt gt Electrical Protection Fuse PCB Transformer T3 15A 250V 0 2A Evaporator Coil Alu Fin Inner Grooved Copper Tube Drain Hose Connection OD In input Power of Ele Heater Electrical Protection Fuse Evaporator Cot 8 gg er eee Drain Hose Connection Yes Yes Rated Working Conditions Yes Yes Table 8 Working Temperature Range ae ae ee 354x242x793 _ D i p R ip a BE E E E ee E E temp F CC temp F CC temp F temp F CC Loading Capacity 20 40 40 HQ Rated Cooling 80 0 26 7 67 0 19 4 95 0 35 0 75 0 23 9 Max cooling eoogen erogag 180461 75 0239 INSTALLING LOCATION Min cooling 67 0 19 4 57 0039 67 009 570013 9 Rated Heating 70 0 21 1 60 0 15 6 47 0 8 3 43 0 6 1 LOCATION Max heating 80 0 26 7 75 0 23 9 65 0 18 3 1 Do not place object near the air outlet so that conditioned air can reach the whole room cou Anibien heatihg 70 0 21 1 60 0 15 6 5 0 15 0 3 2 16 0 2 Be sure to install the indoor unit nemMly and NaNZOMAN o Wh ft _________ 3 Select a place that can support 4 times the weight of the indoor unit and will not incre
7. Corrective Measures Change fuse or replace fuse It will restart when power is on Keep distance in 8m or less Refer to REMOTE CONTROL KEY NAMES AND FUNCTIONS Refer to REMOTE CONTROL KEY NAMES AND FUNCTIONS Refer to REMOTE CONTROL KEY NAMES AND FUNCTIONS P37 OF 37 TROUBLE SHOOTING NORMAL OCCURRENCE When normal Normal Occurrence occurrence happens Restart right after stopping Press SET TEMP and then release immediately The unit does not operate when Power is switched on Mist is emitted When cooling Outdoor unit is hot After the unit is stopped Buzz is heard at starting Sound of hiss like running water can be heard during operation A shuh sound which is heard at the start or immediately after the stop of operation or which is heard at the start or immediately after the stop of defrosting operation A continuous low shah sound is heard when the system is in cooling operation or at a stop Cracking noise can be heard during or after operation Starting operation after not using for a Dust from the units longtime Discharged air smells During operation YMGI Engineered Comfort Products for A Sustainable and Efficient Green World Cause and remedy of normal occurrence Once the unit is stopped it stays idle for about 3 minutes to protect the compressor and the unit from any potential damage Wait for 1 minute Room air is chilled rapidly and becomes foggy Compre
8. How did you do it who was with you 18 Have you checked and run cooling or heating one unit by one unit all working fine 20 Did you vacuum correctly to check the connecting pipes and indoor unit for leakage what was the micron gauge reading for how many minutes 22 If copper length were not made to the supplied or recommended refrigerant pipe length how much refrigerant added or deducted 24 What were the measured temperatures probe not touching any metal At cooling indoor return air F discharge air F and outdoor PF At heating indoor return air F discharge air F and outdoor F 26 Did you show the user how to operate the unit Did he she understand you 28 Do you list the working details in the invoice and leave a copy to the customer Installation Finished and Unit Works Successfully Print Name of Owner Signature Date and time By signing above acknowledge the liability and responsibility for any false statement or not telling all the facts and authorize YMGI to check the details of the filled above and make its decision on warranty understand our filing or filling the warranty card form DOESN T mean automatic warranty approval because warranty is approved only to those qualified and successful installations by qualified HVAC technician know the warranty if approved is a standard 5 year compressor and 1 year other parts only without any labor coverage agree to and will follow all the
9. If not properly done what is likely to happen The unit may drop vibrate or make noise It may result in insufficient cooling Is the indoor unit fixed firmly Is the gas leak test finished Is the unit fully insulated Condensate water may drip m Condensate water may drip m Does the power supply voltage correspond to The unit may malfunction or the components that shown on the nameplate burnout Does drainage flow smoothly Are wiring and piping correct The unit may malfunction or the components burnout Risk of electric leakage The unit may malfunction or the components burnout Is something blocking the air outlet or intake of either the indoor or outdoor units ney Teed i in oe ne Have records of refrigerant piping length and Volume of refrigerant charge in the system is additional refrigerant charge been made not clear Is the unit safely grounded Is wiring size according to specifications Note to the installer Be sure to instruct the customer how to operate the system and show him her the attached operation manual YMGIl Engineered Comfort Products for A Sustainable and Efficient Green World P25 OF 25 SAFETY CAUTIONS READ THE FOLLOWING CAREFULLY BEFORE OPERATION Avoid direct air flow to your body and avoid Check whether the excessive heating or cooling that may make you feel uncomfortable and do harm to your If a worn out stand is left unfixed apa EA j i the unit may fall and damage
10. Out of step malfunction of compressor including erase malfunction Water overflow protection Indoor ambient temperature sensor is open circuit or short circuit Indoor evaporator temperature sensor is open circuit or short circuit Outdoor ambient temperature sensor is open circuit or short circuit Outdoor condenser temperature sensor a a Blink 4 times F is open circuit or short circuit Discharge temperature sensor is open circuit or short circuit Pi The reserved outdoor unit displays E2 Display the malfunction of indoor ambient temperature sensor when using this temperature sensor Green light blink once Malfunction of ambient temperature sensor on wire controller NO E D D g a YMGI Engineered Comfort Products for A Sustainable and Efficient Green World P39 OF 39 TROUBLE SHOOTING TROUBLESHOOTING When there s malfunction or protection the display screen of indoor unit or LED will display corresponding code and LED on main board of outdoor unit will also have warnings Please refer to the function parts as before for details When protection or malfunction has been eliminated the display will resume normal status Analysis or disposal for some display malfunction Dual 8 Wire Indicator nixietube controller N oL Clauses and d Red light Yellow light Green light w display moubiesnootng j a nee ane running LED heating LED cooling LED Pa method ceilin
11. after the unit has PEO operated for an extended time GANN P26 OF 26 NOILONULSNI S 4SdTIVLSNI YMGI Engineered Comfort Products for A Sustainable and Efficient Green World P27 OF 27 YMGI Engineered Comfort Products for A Sustainable and Efficient Green World P28 OF 28 NOILVasadO LINN REMOTE CONTROL KEY NAMES amp FUNCTIONS NOTE1 This is a general use remote control and can be used for numerous air conditioner styles and models There may be some buttons on the remote that are not for use with the unit purchased When these buttons are pressed you may hear a beep sound emitted from the remote This will not affect the unit staus NOTE2 Be sure there are no obstructions between the indoor unit and the remote control Do not drop or allow any liquids near the remote Do not place the remote in direct sunlight or any place that can become very hot SLEEP BUTTON This function will increase or decrease the set temp depending on what mode the unit is running in When SLEEP mode is turned on in cooling mode the temp will automatically increase 0 5 to 1 0 degree once every half to one hour for several times over a period of 2 hours and remain at that temperature until SLEEP mode is turned off When SLEEP mode is turned on in heating mode the set temp will automatically decrease 0 5 to 1 0 degree once every half to one hour for several times IR Control Signal Transmitting LCD Display DECREASE J INCREASE E
12. and your local codes to make sure all the installation of YMGI units and accessories meet these requirements 9 Connect the unit to correct electrical power source In the area where lightning or storm incurs frequently a proper type size of power surge protector needs to be installed between the outdoor unit and power source 10 Select proper types and sizes of HVAC circuit breakers disconnect switch boxes wires and conduits from circuit breaker to disconnect box and then from disconnect box to outdoor unit 11 Select proper location to mount indoor units and outdoor units with all factory requirements being followed cooling heating air is not blocked or restricted mounting structure is secure aesthetical looking installation convenience is considered maintenance service clearance is ensured and all applicable codes are met and etc 12 Cap tape the two ends of every copper line before running them through structures to keep from any foreign substances entering into pipe and causing contamination Label them A A B B C C D D or other marks on each pair of copper line wiring cable set to keep from any possible cross piping or cross wiring in multiple zone installations or where pipes for different single zone systems are close to one another 13 Secure the wiring cables that connect between indoor unit and outdoor unit following applicable NEC and local codes for your particular installation If there is no special NEC or local code to
13. contents contained in the Limited Product Warranty Policy that YMGI not other entity stated in public including but not limited to manuals web site email etc Important Note A copy of the installing HVAC company s invoice to show all their work details your payment proof center copy B of this registration card filled after a successful installation all three 3 MUST be mailed together to Warranty Dept YMGI Group POB 1559 O Fallon MO 63366 for warranty processing Customer keeps bottom copy C YMGI will check against copy A that was kept at YMGI YMGI Engineered Comfort Products for A Sustainable and Efficient Green World P6 OF 6 WHOJ AHV NOILVYLSISSAY ANV SAIDITOd ALNVYYVM WHOJ AHV NOILVYLSISSAY ANV SAIDI1TOd ALNVYYVM WARRANTY AND TECHNICAL SUPPORT YMGI warrants to the purchaser owner s that YMGI products be free from defects in material and workmanship under the normal use and maintenance with the standard Limited Product Warranty Policies that comes with the unit or sales package YMGI IS NOT RESPONSIBLE FOR Damage or repairs required as a consequence Customer do it yoursely DIY installation and or any other faulty installation or improper application Damage or repairs needed as a consequence of any misapplication abuse improper servicing unauthorized alteration or improper operation Damage as a result of floods winds fires lightening accidents corrosive atmosphere or o
14. e 2 eR over a period of 2 hours and remain at that DO o S4 MODE temperature until SLEEP mode is turned off This way U TOUCH OTIS when the unit is in SLEEP mode during cooling the TIMER ON fan will blow at a lower speed to accommodate for the crock ars 4 sul TEMP decreased cooling load due to less activity and a BLOW f ow Jf lt 2 Gp ul TIMER OFF lower outdoor temp The same principle of savings is TURBO TURBO SLEEP com LIGHT applied to heat mode d SLEEP To activate the sleep mode press the SLEEP button once You will see a picture of a moon and stars in the lower left hand corner To turn off the SLEEP mode simply press the button once more and the moon and stars will disappear from the remote screen The COOL mode SLEEP profile is as follows ON OFF BUTTON Press this button to turn the unit on Press once more to turn the unit off When turning the unit ON OFF the TIMER and SLEEP O 1 2 1 2 functions will be canceled The preset time will remain Temp i L gt l i Hours since sleep set l l AUTO MODE While the unit is in AUTO the mode the temperature cannot be changed The temperature ae while the unit is running in AUTO mode is 77 F If Ts 1 while the unit is in AUTO mode and the room Tei temperature falls below 77 F then the unit will run in Ts heating mode If the room temperature rises above 77 F then the unit will run in cooling mode The uni
15. govern how these wires are to be installed you can tape cable tie them along with insulated copper line 14 Tighten all pipe and wire connections to keep from any possible leakage or false connection 15 Conduct positive pressure leakage checking of inter connecting copper lines between each indoor unit and outdoor unit by charging dry nitrogen at outdoor unit service port note don t back seat stopping valve at this time Liquid soap solution shall be applied at all pipe connections to check for leakage A1 4 5 16 hose valve adaptor may be needed if you have traditional manifold of 1 4 connection hose 16 If there is no positive leaking then conduct negative pressure leakage checking of inter connecting copper lines between each indoor unit and outdoor unit by pulling vacuum at outdoor unit service port note don t back seat stopping valve at this time and checking if the vacuum level 500 Micron can be held for at least 20 minutes 17 If there is no leakage found at refrigeration pipe connections flip up the indoor unit face panel and remove filter carefully pour some clear water onto the up right aluminum coil surface to test if the water can drain out of each indoor unit freely without any leakage being found 18 If there is water leakage found locate the source of the leak and correct Only after everything is clear engage the correct electrical power to the system 19 Then back seat stopping valves of outdoor unit to release refri
16. installing technician read in full the installation manual of the product model you have Some details may vary and some may be the key to determine the success and quality of the installation Experience with certain manufacturer may not be applied fully to another manufacturer For example wiring refrigerant adjustment and trial testing procedures may differ from manufacturer to manufacturer and model to model Any ignoring or negligence may cause unit failure or damage which could be irrevocable and permanent 5 All of YMGI s products are fully tested and have passed rigorous safety and performance standards and others related to the industry before being packed and shipped YMGI only uses famous brands as suppliers for their parts that are also known for their high quality and performance The quality of the installation plays a key role as much as up to 90 importance in your unit s overall performance and lifetime A poor installation can result in unit failure and inefficiency either immediately or over a period of time 6 Some licensed contractor technician may make a mistake some time YMGI doesn t supervise nor is able to control their installation It is key that the installer take each variable into account during the initial installation in order to ensure a complete and professional installation and properly working units A WARNING The following will cause damage to the unit and key components and the loss of your unit s factory warran
17. is found whether at the original installation or during normal operation we will gladly help you in the following steps in sequence from 1 to 3 1 Part repair or replacement after trouble shooting This is the most common and generally the easiest and most economical way for all the needed parts since the problem and all part needs can be accurately and completely identified Your technician calls our technical support line from your job site after checking your units and getting all the information ready Our technical support will go through several steps over the phone or through email with your technician in order to help identify and resolve the problems Normally wiring correction piping correction part repair replacement will resolve the problems Your technician will then need to verify and confirm the problem s before YMGI can ship out the replacement part s Inaccurate or incomplete troubleshooting or part replacement will delay the repair YMGI technical support will only speak with a licensed certified technician in regards to the repair of your unit In our experience this saves time and money for all parties involved Your technician is the only person to perform any physical checking trouble shooting and replacing of any defective part s for your units Our factory technical support is just a help YMGI provides no labor warranty on the products 2 Unit part repair at our workshop s Due to the limitations o
18. on the indoor unit as shown in Fig 4 Install the indoor unit on the ceiling as shown in Fig 5 LL LLA M L iy L AL I E Fig 5 CAUTION Prior to the installation please make a good preparation for all piping refrigerant pipe drain pipe and wiring wires of the wired controller wires between the indoor and outdoor unit of the indoor unit to make the further installation much easier YMGIl Engineered Comfort Products for A Sustainable and Efficient Green World P12 OF 12 If there is an opening in the ceiling it is better to reinforce it to keep it flat and prevent it vibrating Consult the user and builder for more details If the strength of the ceiling is not strong enough a beam made of angle iron can be used and then fix the unit on it 4 If the indoor unit is not installed in the air conditioning area please use sponge around the unit to prevent condensing The thickness of the sponge depends on the actual installation
19. one a 2 Prior to the wiring please check the voltage marked on the nameplate and then carry out S N pae the wiring following the wiring diagram XT6 3 The dedicated power cord must be used for the air conditioning unit and the electrical z leakage protection switch and air switch must be installed in case of the overload condition al 4 The air conditioning unit must be earthed to prevent the hazard caused by the failed ara insulation z During the wiring the wiring terminal or the single core wire must be used the direct wiring Is re XT5 between the multi core wire and wiring board would cause fire Ic 7 All wiring should be done strictly in accordance with the wiring diagram otherwise the E improper wiring would cause the air conditioning unit running abnormally or damaged L com Do not let the electric wires touch the refrigerant pipe the compressor the fan or other iz moving parts 3 8 Do not modify the wiring inside the indoor unit randomly otherwise the manufacturer won t Z ae o assume any responsibility for the damage or abnormal running of the unit 3 z Wiring of the Power Cord single phase L 2 CAUTION z Z The power supply for each indoor unit must be uniform 3 Dismantle the cover of the electric box of the indoor unit c oe 2 Let the power cord go through the rubber ring 3 Put the 4 core cable through the hole of the chassis and the bottom of the
20. successful installation fully 100 conducted by a qualified HVAC technician s as detailed in the checklist of the Limited Product Warranty Policy and Limited Product Warranty Registration Card Form along with a properly detailed installation invoice is eligible for the Limited Product Warranty 5 Failure to follow what is written hereafter may cause various equipment issues that you will take full responsibility and liability for including but not limited to losing manufacturer s warranty unit not working properly unit malfunctions under performance decreased safety increased potential of various damages to your property body home and or business etc 6 YMGI documents and policies supersede those made or provided by the sales distributors or installing contractors YMGI Group maintains the final authority in explaining and resolving any and all discrepancies that might exist between distributors contractors documents and ours YMGI STRONGLY RECOMMENDS Customer hires a currently licensed certified HVAC technician s N A T E or A C C A certification is strongly recommended to conduct 100 of the installation inspection of all unit functions and repair service Customer signs an installation service contract with the installation service technician s company who has good service references and you trust Installation and service is very important to the life of your investment and provide you a lifetime of comfort and peac
21. to perform the service there is an increased possibility of higher service fees than normal increased service visits or delayed service from that technician 3 It s the law The federal state and or local government and authorities have various governing laws or regulations guidelines ordinances etc requiring only licensed or certified professionals can install and service high pressure HVAC equipment SUGGESTIONS TO AID YOU IN HIRING AN HVAC CONTRACTOR 1 Hire a currently practicing licensed certified HVAC technician contractor Technicians who are no longer practicing retired etc in this field may not have the updated knowledge or may lack experience on the equipment you have purchased 2 Hire a technician contractor who services customers in your local area and you are familiar with Local contractors have a faster response time and will be easier for you to determine if they are reputable 3 Use only reputable licensed certified HVAC installation contractors technicians to prevent any unexpected charges as a result from unethical business practices 4 Check their references to verify they are a good service provider to the general customers N A T E or A C C A certified technicians are strongly recommended 5 Some contractors technicians may not feel comfortable about installing the equipment that you purchased for them to install and they prefer to purchase and install the equipment You can contact YMGI direc
22. 0mm Installation of the Drain Pipe 1 The diameter of the drain pipe should be larger than or equal to that of the refrigerant pipe 39 4 59in Hager Backe Ceiling PVC pipe outer dimater 25mm wall thickness 1 5mm WAGGA VALOIS ED SA FA A ESE SOE F A A a a e D G 2 The drain pipe should be as short as possible and with at least a 1 100 degree of slope to i avoid forming air pockets i d ae lt 11 8in 3 If the proper degree of slope of the drain pipe is not allowed a lift pipe should be installed 7 Gap ne 1 2 Ipe 4 A distance 39 4 59in should be kept between the hangers to avoid the drain hose making a 5 gt i turn z H V c 5 Ww DE Drain Hose accessory Clamp accessory Fig 16 j Notes diana The inclination height of the drain hose should be within 3in so that the outlet of the i i i i drain hose does not suffer the external force Right with a min degree of slope 1 100 If multiple drain pipes converge please follow the installation steps below Z VAM LUUL Nhe LLULLA Nda I Joint of drain pipe The specification of the joint of the drain pipe should be suitable to the running capacity of the unit
23. 1610 AWG18x4 Notes The sectional area listed above is applicable to the power cord with at most a length of 15 meters For the longer cord its sectional area should be enlarged to avoid the cord burning out caused by the over current ELECTRICAL WIRING Power supply and wiring requirement 1 Power frequency of air conditioner should be 60 Hz voltage AC 208 230V If voltage is over may cause the parts of electric equipment to become damaged If the voltage is too low this may cause the compressor to shake thus causing damage to the cooling system 2 User power supply should be provided a reliable grounding connect see earth requirement Electrical connection requirement 1 Should have a reliable earth connection see earth connection requirement 2 Screw of wire should be tight damaged screw should be changed Self tapping screws cannot be used on an electrical connection 3 The provided wire should be used Please do not change the wire length and end of it If you need to adjust please contact the local service center 4 Please do not connect the plug with the non plug wire by yourself 5 Indoor and outdoor electrical connecting wire should not be pulled too tightly or twisted INDOOR UNIT CONTROL BOX amp WIRING TERMINALS Remove the control box cover and install the connection cord to the wiring terminals Must match terminal number for each wire at both indoor unit and outdoor unit wiring terminal Yell
24. 200mm 3 The duct is either rectangular or round and connected with the air inlet outlet of the indoor 1 Installation of the Rectangular Air Supply Duct O unit Among all air supply outlets at least one should be kept open As for the round duct it needs a transition duct of which the size should match with the air supply outlet of the unit After the fitting of the transition duct it is the turn of the round duct which is better to be kept 10 meters far away E from the corresponding diffuser The standard accessories supplied by GREE is the transition duct 4 6 3 200mm long and round air outlet p200 however those of other specifications can be purchased ia Drawings of the Air Supply Outlet and Return Air Inlet No Name No Name 4 1 Hanger 5 Plenum Box 4 2 Return Air Duct 6 Fil
25. 3 property or harm people Do not stand on the outdoor unit or put anything on it Unit may fall causing harm to self or others Do not remove protection grill nets from the outdoor unit Do not put hands or insert anything into the air outlet vent of the unit Do not spray any paint or pesticide on the unit or it may cause fire If there is something abnormal eg burning ee ae smell cut off the i Shut power immediately and ML se ef j contact service center power If room air is stuffy air the room by opening door and window for a while but close the curtains when operating the unit to prevent conditioned air from leaking Never use wrong ampere rating fire Use of iron wire or copper wire may cause the unit to break down or cause fire Do not check or repair the unit while it is operating It is very dangerous Do not use other heating equipment near the air conditioner It will affect the cooling performance Never place objects near the air intake and the air outlet of the unit It may affect performance or stop operation of the unit Do not throw the remote control and do not press the button of the remote control with pointed object or the remote control may be damaged Do not splash water directly to indoor unit It may cause harm or electric shock YMGI Engineered Comfort Products for A Sustainable and Efficient Green World installed stand is still firm enough
26. 4 YMGI will notify the distributor of the charges only after the inspection and assessment of the returned products has been completed Attention 1 Returned products must be shipped within 7 days of YMGI s releasing of RGA 2 All RGA shipping shall be prepaid by the customer YMGI will not accept any COD freight YMGI GROUP DISCLAIMING 1 YMGI Group will NOT accept any return or may not honor 100 credit for any return of Product s Part s Accessories in any of the following cases Return requests made 30 or more days after the date of original sales shipping from YMGI Group warehouse Return shipment is initiated 8 days or more after the RGA is approved Returned products received not displaying an YMGl approved valid RGA Returned products received C O D Returned products not received in the original packaging Returned products received with non repairable packaging including duct tape or marks on units or carton boxes Returned products received with missing units parts accessories Returned products received are found to be non functional or damaged YMGI GROUP DISCLAIMING 2 YMGI Group will not be responsible for any losses of returned unit s part s accessories in transition to YMGI Group warehouse YMGI Group RGA is valid for seven 7 days from the original issuing date Returns will not be accepted if shipping is made 8 or more days after the YMGI Group RGA is issued YMGIl Engineered Com
27. How to Clean the Air Filter 2 Remove the air filters See step 2 of How to Clean the Air Filter 3 Open the grille at a 45 Degree angle and then lift it up to take away 4 Wash with water When the air intake grille is very dirty use soft brush and neutral detergent Shake off water and air dry in a shady place Attention Do not wash with hot water 5 Replace the grille Refer to step 3 6 Replace the air filter See step 4 of How to Clean the Air Filter 7 Close the suction grille Refer to step 1 1 Check to make sure no objects obstructing the in take and outlets on both the indoor and outdoor units 2 Check to make sure ground wire is connected and that it is not damaged 3 Check to make sure air filter has been cleaned 4 Turn on the power 6 hours before starting the air conditioner End of Seaseon Cleaning 1 Clean the filter and the body of the unit 2 Turn off power 3 Clear dust 4 If there is any rust deep inside the outdoor unit may need to use an extended head cleaning tool YMGIl Engineered Comfort Products for A Sustainable and Efficient Green World P42 OF 42 AGINS ADIAUAS 8 SONVNALNIVIN LINN c QVsd LSNIN CUSTOMER AND TECHNICIAN MUST READ 11 If all the suggestions have been taken and all the necessary steps are followed 12 If the contractor s technician s are experienced with the systems brands you purchase You might spend less But remember many times you get what
28. I distributor sales or contact manufacturer directly to obtain information to fully understand YMGI products including but not limited to product features cooling heating performance at standard ratings conditions and extreme conditions allowed indoor and outdoor temperature humidity ranges installation operation maintenance service warranty parts and so on 4 Properly select correct most suitable YMGI product models of units and accessories for your HVAC applications jobs and list them in your proposal quote in writing on your company s quote form or letter head basing upon the information you get from 1 2 and 3 above 5 List your currently valid HVAC license and EPA in your proposal quote 6 Make sure you are the only party to perform the whole installation job and you will not sub contract any part of the installation to any non licensed parties persons You will be solely responsibile for the full installation that you have been contracted for 7 Check to make sure you have all the materials you need to properly and correctly finish the installation The YMGI units and accessories may be just a portion of what you need YMGI employees and YMGI distributors sales dealers and agents are not installers and may only be able to provide suggestions to you but you are the only sole decision maker to determine what other materials you must need and or the customer may want to fulfill the installation job 8 Check against both NEC
29. IAYAS 8 SONVNALNIVIN LINN AGINS ADIAYAS 8 SONVNALNIVIN LINN CARE AND MAINTENANCE Pull out the power plug before cleaning How to Clean the Air Filter 1 Open the air intake grille and use a phillips head screwdriver to remove the two screws Slide both knobs simultaneously towards center as shown and then pull them downward slowly 2 Remove the air filters Slide knobs on the back of the airintake grille outward and remove the air filter Then remove three air filters on it 3 Clean the air filter If filters are not dirty you can just vacuum or wash the air filter with clean water If the air filters are very dirty Use mild detergent and water Leave the air filter to dry naturally in a shady place Note Do not clean with hot water Do not dry over fire Do not run the air conditioner without the air filter The suction grille must be opened carefully air intake 4 Put back the air filters Replace the air filter into its holder Make sure the air filter makes contact with the filter stopper when it is replaced into its holder 5 Shut the air intake grille Do not splash water directly to the unit Grille Hook Grille Hook Filter Holder Intake Grille Air Filter Refer to step 1 YMGIl Engineered Comfort Products for A Sustainable and Efficient Green World P41 OF 41 CARE AND MAINTENANCE How to Clean the Air intake 1 Open the air intake grille See step 1 of
30. Unit 5 Unit 6 Unit 7 Unit 8 YMGI Recommended Contractor Technician Phone Fax Email City State Province License Approved or Certified by List for Installating HVAC Technician to Double Check Installation Quality and Warranty Processing Purpose if not filled by technician or not filled fully warranty will void 1 Are you the only one to install whole system If not of installation done by you HVAC technician 3 Did you read the User Manual and Installation Instruction before you started the installation 5 Supply electrical power V Ph Hz measured at wiring terminal block of Indoor unit outdoor unit 7 Wire gauge length and terminal colors between circuit breaker disconnect switch to outdoor unit 9 The size of HVAC circuit breaker fuse or disconnect switch to the outdoor unit 11 What is the refrigerant pipe length between each indoor unit and the outdoor unit Unit A Unit B Unit C Unit D 13 What is the elevation difference between each indoor unit and the outdoor unit Unit A Unit B Unit C Unit D indoor unit above outdoor unit below 15 Where is the outdoor unit located Is the outdoor unit anchored to Ground wall balcony roof other ground or secured onto wall location or pad bracket 17 Were the refrigerant pipe ends capped or taped seal prior to running them through structures to keep debris from entering the copper lines 19 Did you charge the inter connection copper pipes a
31. all nor physically service your unit Your installer or service provider must check the unit prior to contacting YMGI Group from your jobsite in order to be helped in an efficient and timely manner Factory customer service at customerservice ymgigroup com Tel 1 866 833 3138x704 Factory technical support at techso ymgigroup com Tel 866 833 3138x703 Fax 1 866 377 3355 An YMGI Group Customer Service Technical Support Daily Log Sheet will be filed in writing at our office for effective communication between you and YMGI Group customer service your technician and YMGI Group technical support Before contacting the YMGI Group locate the IP written at the top of your warranty registration form Use this IP whenever you contact the YMGI Group DISTRIBUTOR AND MANUFACTURER POLICIES All questions concerning sales or money will be directed to the sales distributor from which you purchased the units Read and follow all policies set forth from the distributor from which you purchased your unit Upon purchase and installation of the unit s you agree to be bounded by all policies published by both distributors and YMGI YMGI Group has the final authority and supersedes other related parties distributors etc concerning all policies regarding YMGI products YMGI DISCLAIMING 3 RE LIMITED PRODUCT WARRANTY 1 The YMGI Limited Product Warranty Policy details the eligibilities coverage s and other explanations of the warranty
32. appliance L upward and then connect the power line and the communication line from the outdoor s unit to the corresponding terminals N 1 2 3 and grounding terminal of the indoor unit 9 Wiring shall be done properly as per the wiring diagram Note Be sure the wring terminals fa XT2 A B C D and piping joints A B C D of the indoor unit match with that of the outdoor unit respectively 7 G 4 Fix the power cord tightly with the binding wire ea Sl POWER 4N XT en a make YMGIl Engineered Comfort Products for A Sustainable and Efficient Green World P21 OF 21 YMGI Engineered Comfort Products for A Sustainable and Efficient Green World P22 OF 22 INSTALLER S INSTRUCTION Wiring of the Signal Line of the Wired Controller 1 Open the cover of the electric box of the indoor unit 2 Let the signal line go through the rubber ring 3 Insert the signal line to the four pin socket on the printed circuit board of the indoor unit 4 Fix the signal line with the binding wire Electric Installation Table 7 Running Indoor Unit Current Input Power W Recommended Power Sunol A Power Cord ee Ind Sectional Areax ndoor Fan Pieces Te O Moai WMMS 09EF V2B 59 2 208 230V 60Hz 0 406 75 575 AWG18x4 Edel WMMS 12EF V2B 59 2 208 230V 60Hz 0 348 AWG18x4 and WMMS 18EF V2B 59 2 208 230V 60Hz 0 428 EET 1080 AWG18x4 Heating WMMS 24EF V2B 59 2 208 230V 60Hz 0 588 110
33. ary factory requirements finding any possible problems early preventing any further damage to the unit and helping ensure a properly working unit over its lifetime YMGIl Engineered Comfort Products for A Sustainable and Efficient Green World P4 OF 4 lL av3J LSNIN WHOJ AHV NOILVYLSISSAY ANV SAIDI1TOd ALNVYYVM LIMITED PRODUCT WARRANTY POLICIES The YMGI products are designed and manufactured free from defects in workmanship and materials for normal use However for any reason including many handlings and occasions between the YMGI factories warehouses and where you receive the products the unit doesn t work YMGI Group will help to remedy the occurrence in the following warranting ways Compressor YMGI will warrant the compressor of YMGIl validated and approved warranty filing for a period of 5 years from the date of successful installation at original location Parts YMGI will warrant parts of YMGlI validated and approved warranty filing for one year from the date of successful installation at original location All warranty compressors and parts replaced will become the sole property of YMGI Group and must be returned to YMGI Group upon request Warranty parts may be new or refurbished All parts are tested and approved before shipping At no time does the YMGI Group warrant labor cost of any type Warranty will start from the date of successful installation at initial location or 90 days as of original s
34. ase noise and vibration 4 Select a place easy to drain water and connect with the outdoor unit 5 Make sure there is enough space for maintenance and make sure the distance between the unit and ground is 1 8m or more 6 Make sure the suspension bolt pitch can hold 4 times the weight of the indoor unit otherwise you should strengthen the suspension bolt pitch Note 1 Keep enough distance from the kitchen 2 The appliance shall not installed in the laundry YMGI Engineered Comfort Products for A Sustainable and Efficient Green World P9OFQ IMG YMGI Engineered Comfort Products for A Sustainable and Efficient Green World P10 OF 10 Oy tac amp R for Maini Installation of the Indoor Unit 1 Requirements on the Installation Location 1 Ensure the hanger is strong enough to withstand the weight of the unit 2 The drainage pipe is easy for connection 3 No obstacle is in the inlet outlet and the air circulation is in good condition 4 Ensure the installation space shown in Fig 2 is left for the access to maintenance 5 It should be far away from where there is heat source leakage of inflammable explosive substances or smog 6 It is the ceiling type unit concealed in the ceiling 7 The power cords and connection lines of the indoor and outdoor units must be at least 1m away from the TV set or radio to avoid the image interference and noise even if 1m is kept the noise may be produced due to the strong electromagne
35. ay run either one or few of modes COOL DRY Dehumidifying and FAN No Protection Error code will show up YMGI Engineered Comfort Products for A Sustainable and Efficient Green World P32 OF 32 NOILVaadO LINN AGINS ADIAYAS 8 SONVNALNIVIN LINN OPTIMUM OPERATION TROUBLE SHOOTING ga lila manta ata Notice Adjust the room temperature properly for a 1 P ionnail l comfortable environment Preparation before service Step 1 Firstly confirm the model of the inverter A C which needs repairing and then find out model of main parts that can be damaged easily and the material encode especially the controller of outdoor unit Step 2 Based on the malfunction reflected by user determine the parts that will need to be replaced and bring tools with you for maintenance Step 3 As for repairing the inverter A C you should not only bring the common tools such as screwdriver wrench etc but also you should bring universal meter and ammeter with you 2 During the maintenance don t touch any terminals before the voltage between P and N of power module is measured less than 50V to avoid electric shock 3 Before or after the maintenance you should check whether the users power socket terminal block on indoor outdoor unit and all connectors on main board especially the main board of outdoor unit power module and PFC module are loosened or not Water may drop from the indoor unit when the humidity is over 80 or whe
36. bilities for Any Damage or Loss Due to Do It Yourself DIY self installation and other Improper Installation or Operation or Natural Disaster A WARN l N G Don t Supply Power until All Wiring and Tubing and Checking is Completed Ground the Unit Following Instructions and NEC State and Local Codes A DANGER Connect All Wiring Securely Loose Wire or Other Bad Contact May Cause Arc or Overheating and Fire Hazard YMGI Engineered Comfort Products for A Sustainable and Efficient Green World P1 OF 1 WELCOME AND PLEASE READ THROUGH MANUALS Dear Customer s End User s Unit Purchaser s Installer s Contractor s Thanks for choosing YMGI products The YMGI equipment you purchased is either a split type or a self contained cooling heating system which requires an installer s license certification knowledge experience carefulness and details for a successful and good installation This equipment is different from those window or portable air conditioners you can normally purchase from local retail stores such as Home Depot Lowe s Sears etc which the manufacturer may not require licensed personnel to install Reading and following the YMGI Group s recommendations suggestions and requirements written in the following pages and other documents is the first step to ensuring a smooth and trouble free installation amp proper operation of your products for many years to come The quality of the installation plays a k
37. d normally compressor needs to work at least 10 minutes Data read too early may lead to inaccurate or false judgment or even a false sense of security In an effort to protect our customers from any possible faulty installation which can lead to premature unit failure we like to provide the above information to you in addition to the technician You can judge yourself and observe while your system is being installed though your observation may not be treated as any guarantee whether your system would be installed properly and professionally If at any time you feel there may be an installation issue please have your technician contact YMGI at 866 833 3138 x 703 to clear your questions O A WwW NY YMGI Engineered Comfort Products for A Sustainable and Efficient Green World P3OF3 INSTALLING TECHNICIAN VCCONTRACTOR S JOBS AND RESPONSIBILITIES 1 Check with the customers to find out detailed information of structure to be conditioned local weather typical design and extreme temperature humidity conditions cooling and heating hours previous and existing HVAC equipment usage and dependence on the new HVAC equipment or the YMGI products 2 Performing a cooling heating load calculation by using commercially available professional programs methods such as Right J Manual J for residential HVAC applications jobs and Right CommLoad ASHRAE RTS CLTD for light commercial and commercial HVAC applications jobs 3 Check with YMG
38. d air drops y l I Wall mount indoor unit Signal communication I I I l z T gt a Remete control Temp sensor May Feel Colder than You Want in Summer Feel More and Winter omfortable YMGIl Engineered Comfort Products for A Sustainable and Efficient Green World P31 OF 31 REMOTE CONTROL KEY NAMES amp FUNCTIONS SYMBOL DISPLAY IR Control Signal Transmitting When power is first applied to the unit but the power has not been turned on by the remote control then a red power light only is displayed When the unit has been powered on by the remote control then the running LED is lit and the current running mode symbol is displayed at the same time LCD COOLING Running symbol and cooling symbol are lit Display HEATING Running lamp and heating symbol are lit DRY Running lamp and dry lamp are lit DECREASE 5 INCREASE FAN Running lamp and fan lamp are lit Temp Time e 7 a A Temp Time ON OFF A AUTO dc eta lamp and actual running ai YN Ln E ORE U TOUCH A ce ap NOT USED ALPHA NUMERIC DISPLAY ae ac ee P F oe feron OE SWING The setting temperature range for the unit is 61 to a 86 F wack epi TIMER OFF a TURBO yurao sucer M Licht ues eae Under AUTO mode unit will display 77 F for coolin e oe and 68 F for heating modes a CHANGING BATTERIES AND NOTICES 1 Press slightly along the arrowhead di
39. d any other media YMGlI s distributors installers dealers agents customers or any other third parties shall not supersede YMGI to make any explanation about what YMGl published materials mean Any uncertainty or questions arising from YMGI distributors installers dealers agents customers or any other third parties should be passed directly to YMGI for an explanation in writing YMGI Engineered Comfort Products for A Sustainable and Efficient Green World P2 OF 2 lL av3J LSNIN lL av3 LSNIN WELCOME AND PLEASE READ THROUGH MANUALS A ATTENTIONS 1 Be sure to hire only one certified licensed HVAC Company to complete 100 of the installation so that all details of the installation are clear complete and well taken care of 2 Be sure to have ONLY the licensed HVAC professional perform all parts of the installation Factory Warranty will be lost if any portion of the installation is not performed by licensed HVAC contractor DIY or partial DIY will void ALL factory warranties One example of partial DIY would be calling the HVAC technician to release refrigerant or the sort while other installation has or is to be conducted by non HVAC technician 3 With hiring a technician that is offering their services as a side job and not through their licensed HVAC company may pose a possible risk of an incomplete or unsatisfactory installation of no guaranteed workmanship and lack of further service if needed 4 Have the
40. d down continuously between the highest and control sends the following three kinds of status lowest points Push the swing button once more and that the swing status of main unit will be N the icon will disappear on the remote and the louver a me a will remain at the last point the button was pushed 7 lt gt al zl When the unit is powered off by the remote the louver When the guide louver starts to swing up and down if the swing is turned off the air guide louver will stop at the current position will close on the indoor unit Press this button to set up the desired swing angle i l which circularly changes as below Insert swing gt l which indicates the guide louver swings up and picture down between that all five positions U TOUCH BUTTON Since the indoor unit is normally mounted high up on the wall or attached to the ceiling the temperature at where the return air sensor is installed inside the indoor unit is higher than what it is where the area people stand and can feel 4 to 7 feet above the floor If the unit uses the return air temperature as its target control people may feel colder than what they really want target in both cooling mode and heating mode The facts of air stratification and warm air rising and cold air dropping requires users to set up by experiments or experience the target temperature quite a few degrees higher than what you really want in order to reach a satisfied or more precise ind
41. d isn t display back on simply press the light button once adjustable low fan speed is imperative more BLOW BUTTON When the blow function is on a symbol on the remote will appear next to left hand corner of the temp This feature when turned on will allow the indoor fan to continue to blow even when the unit is turned off by the remote This will aid in the quick drying of the indoor coil to help prevent any kind of mold build up due to moisture To turn this feature off simply press the BLOW button once more till you notice the blow icon disappear from the remote display TURBO BUTTON When you press this button you will see a symbol of a fan appear on the remote In either heat or cooling mode when this button is pushed the compressor and or fan will blow at a higher speed to achieve set temp quicker When the indoor unit senses that the set temp is being approached the fan speed will slow down To turn this function off simply press the TURBO button until the fan symbol is no longer displayed on the remote Button By pressing this button the set temp will increase If this button is pushed without releasing for over 2 seconds the temperature will increase more rapidly In AUTO mode the temperature cannot be changed The temperature range for this remote is 61 F to 86 F Button By pressing this button the set temp will decrease If this button is pushed without releasing for over 2 seconds the temperature will decrease more rapid
42. e and service use Servicer Use this manual for service reference LITERATURE LIT WMMS 59 2 EF II amp OM Manuals 20140507 TABLE OF CONTENTS WELCOME AND PLEASE READ THROUGH MANUALS 2 INSTALLING TECHNICIANCONTRACTOR S JOBS AND RESPONSIBILITIES 4 LIMITED PRODUCT WARRANTY POLICIES 5 LIMITED PRODUCT WARRANTY REGISTRATION CARD 6 WARRANTY AND TECHNICAL SUPPOR Pa lt esee casecentieeddcesegaeteeesedenieb occu di esessenesecesteeacsiee 7 IMPORTANT NOTES 8 INDOOR UNIT DIAGRAM 9 SPEC SHEET 10 UNIT DIMENSIONS MOUNTING BRACKET CLEARENCE 11 WIRING DIAGRAMS S522 2eaecrGreneics es ce cae e shea see el 12 RECOMMENDED TOOLS FOR INSTALLATION 7 7720 13 SYSTEM LAYOUT amp INSTALLATION CLEARANCE 14 INSTALLATION LOCATION SLECTIONS e 18 LENGTH AND ELEVATION LIMIT OF INSTALLATION
43. e of mind Customer requests the installer to put down a1 year labor warranty coverage in the installation contract Have the technician check against all the items in the checklist of the Limited Product Warranty Registration Card Form sign and date it to help ensure a proper and professional installation Customer pays in full only after all the unit functions are inspected the unit works properly warranty checklist is fully filled out and signed and you are fully satisfied If any unit abnormality is found have your technician check the unit first Have them call for manufacturer technical assistance if necessary from your job site not his office so that we can more accurately assist him in diagnosing the cause of the malfunction QUESTIONS ABOUT SELF INSTALLATION VS HIRING LICENSED HVAC TECHNICIANS Does YMGI allow to do it yourself installations DIY partially or fully NO Unfortunately no brand or manufacturer can take the responsibility of the equipment if it is not professionally installed by a currently licensed HVAC technician contractor If unit is installed by non licensed people in part or fully will the factory warranty be void YES YMGIl Engineered Comfort Products for A Sustainable and Efficient Green World P43 OF 43 CUSTOMER AND TECHNICIAN MUST READ Some DIY installations have been successful but these are exceptions Most have resulted in equipment failure due to lack of knowledge and ex
44. eny the warranty status based on the information reviewed Mailing address of the Warranty Registration Card Form Warranty Department YMGI Group POB 1559 O Fallon MO 63366 USA YMGI Engineered Comfort Products for A Sustainable and Efficient Green World P47 OF 47 USER NOTES AND INSTALLATION SERVICE MAINTENANCE NOTES USER NOTES Put down whatever questions you have or problems you have seen as a unit history Asked for Your Technician for Help Did You Ask YMGI Tech for Help INSTALLATION NOTES Put down whatever questions you have or problems you have seen as a unit history Original Installation Company Job Not Performed Name Technician Name Technician Checklist 7 5 au 5 Phone amp HVAC License oy necnmipien Completed Fully Technician s Company Name Technician Name Phone amp HVAC License YMGIl Engineered Comfort Products for A Sustainable and Efficient Green World P48 OF 48
45. erthe unit is powered on usually the unit will beep L T i IAA Indoor unitis powered on but it doesn t react to It may do harm to them Press AUTO button on remote control or on control module If the unit works then check the remote control s signal power light is on but no Remote signal receiver PCB or its a 5 components are bad or loose in connection of remote signal P connections receiving head and wires If the connection is good then need to replace the signal receiving head Remote signal receiver head or remote control is broken YMGI Engineered Comfort Products for A Sustainable and Efficient Green World P33 OF 33 YMGI Engineered Comfort Products for A Sustainable and Efficient Green World P34 OF 34 AGINS ADIANAS 8 SONVNALNIVIN LINN AdGINS ADIAYAS 8 SONVNALNIVIN LINN TROUBLE SHOOTING ERROR OR PROTECTION CODE INDICATION ee C1 ooann omom a reem nme o T iorno e C emean e o oramne o T omnea a O r mm e ee ee ee ee ee ee a O e o renn ee e emae ee ee e merits e r meneno e T oernamen tt o ormen meran Gee DECA a erme ee e OL YMGI Engineered Comfort Products for A Sustainable and Efficient Green World P35 OF 35 TROUBLE SHOOTING When the unit is controlled by wire controller error or protection codes are as follows e g OR on display a ee ee eee ee ee eee YMGI Engineered Comfort Products
46. es packaging and others These improvements or changes will not void the limited warranty stated herein YMGI keeps the final explanation of this warranty policy YMGI Engineered Comfort Products for A Sustainable and Efficient Green World P50F85 LIMITED PRODUCT WARRANTY REGISTRATION CARD YMGI GROUP Innovative Competitive Efficient amp Conveniene The Company the Shipping Packing Unit Was Sold Though List Number Did the Company HVAC Contractor Pay to YMGI Technician Name Installation Invoice Attached to the Registration Card Unit 1 Unit 2 Unit 3 Unit 4 Outdoor Serial Number One Outdoor Unit One Registration Card Form For Multi Zone Units Contact Where the Units are Installed Name Address City State Province Contact of the Installing HVAC Contractor Technician Technician Full Name Print HVAC Technician s Company Name Address Currently Licensed or Certified HVAC Technician License or Certification Number Official Phone to Check the License Validity LIMITED PRODUCT WARRANTY REGISTRATION CARD FORM YMGI to Fill Top Portion at Shipping and Keep Copy A Center Copy B for Installer to Fill and Mail back to YMGI Bottom Copy C for Customer to Fill and Keep Registration Card Serial No Date the Filled Registration Card YMGI Received Hired YMGI Recommended Unit s Work Warranty Warranty HVAC Contractor Technician Successfully Yes No Approved Denied
47. esort due to refrigerant and wiring considerations All unit removal re installation and shipping cost are the responsibility of the customer YMGI maintains the final authority as to unit replacement Replacement will be made with the same model only Alternate units will be treated as a new order Returning Replaced Defective Units Parts Accessories After Unit Repair Only applies to steps 1 amp 3 above 1 Repack the replaced unit part accessory in the box which contained the replacement part 2 Parts can be boxed for UPS FedEx or equivalent ground service Units shall be secured onto the skid on which the replacement was shipped after placing into the package from the replacement product 3 Ship all replaced products to YMGI designated location You will be charged if YMGI does not receive the replaced parts YMGIl Engineered Comfort Products for A Sustainable and Efficient Green World P46 OF 46 c OVsad LSNN c QVsd LSNIN CUSTOMER AND TECHNICIAN MUST READ Standard factory warranty does not cover the cost of materials and labor that are incurred at your site There will be no cost for the replacement unit if YMGI determines the defect is manufacturer related Replacement will be made with the same model only Alternate units will be treated as a new order CUSTOMER SERVICE TECHNICAL SUPPORT FROM YMGI GROUP For questions or help with your unit contact the original installer or service provider YMGI Group does not inst
48. ey role in whether the units will work well and for an extended period of time The information we provide in our manuals is for the sole purpose of reminding you and your installer It is our ultimate goal to help insure that your YMGI units are installed properly and correctly from the very beginning to the very end This ensures that your YMGI units will work well and not only provide a comfortable room but also peace of mind A WARNING YMGI doesn t recommend nor allow any do it yourself DIY installation partially or fully since DIY will cause problems sooner or later to your units and your upfront saving is Not saving down the road YMGI warranty doesn t cover any DIY units If you have any questions about your unit or even doubt if the unit has any problem you can first check against the mannds If you can not find answers then you can contact your local installer or service technician to physically inspect the unit If at the time of inspection the installer or service technician have any questions they can contact YMGI technical support division directly at Toll Free Number 866 833 3138 Email techsp ymgigroup com IMPORTANT NOTE YMGI HOLDS FINAL EXPLANATION YMGI Group POB 1559 O Fallon MO 63366 is the only party who holds the final explanation in authorized writing about any descriptions or data in YMGlI published materials including but not limited to YMGI product brochures manuals pamphlets catalogs videos an
49. f our technical support not being at your job site or your technician s limited experience with our product the problem may not be resolved as quickly as would be desired If the problem is still not resolved after attempts between your technician and our technical support you can elect to have the unit repaired at our facility If this step is chosen 1 YMGI will send to you the Customer Request to Ship Products to YMGI Service Center for Inspection and Repair and Authorization to Charge form 2 You will review the form and fill all fields appropriately sign and send back to the YMGI Group 3 Once the form has been completed and sent back to YMGI remove the units and ship back to YMGI Please make a note describing the problem and communication history if possible Our technicians will check the units and find the problem s repair the issue s and ship the unit back to you following the conditions set forth in the signed repair agreement All unit removal and re installation is done at your cost and must be done by a currently valid licensed HVAC technician 3 Unit replacement Only applies to those defects reported within 30 days of original purchase date and if all necessary warranty paperwork had been received and approved This option applies only if the above steps cannot resolve the problem s Either indoor or outdoor unit replacement is available based on the actual need at YMGI s determination This option shall be the last r
50. for A Sustainable and Efficient Green World P36 OF 36 AGINS ADIAYAS 8 SONVNALNIVIN LINN AGINS ADIAYAS 8 SONVNALNIVIN LINN TROUBLE SHOOTING Warning In case of something abnormal such as bad smell shut off the power switch immediately and contact service center Do not repair the unit by yourself Incorrect service may cause fire please contact service center The appliance should not be used by children without supervision Check these items shown below before contacting service center Phenomenon Cause Power off or fuse broken Power off The system does not Loose plug operate at all Batteries for remote installed incorrectly batteries properly Out of the remote controlling range The system stops right Object at the air intake and air outlet of Remove them after it is started the air conditioner Object at the air intake and air outlet of Remove them indoor and out door units Wrong temperature setting Low fan speed a Air direction is not correct Cooling and heating is abnormal Close them Doors or windows are open Direct sunshine Too many people in the room Too many heating sources Clean it Dirty air filter Note If trouble still exists after checking the above items please contact service center YMGI Engineered Comfort Products for A Sustainable and Efficient Green World Put the plug into place Faulty Batteries Install Close the curtain or blind
51. fort Products for A Sustainable and Efficient Green World P450F 45 CUSTOMER AND TECHNICIAN MUST READ DEFECTIVE UNITS PARTS ACCESSORIES REPAIR OR REPLACEMENT Out of thousands of units sold every year there may be an occasional instance your product does not operate properly Reasons of but are not limited to manufacturing installation operation maintenance and knowledge of operator Equipment failure does not automatically denote a product defect from the factory assembly line The defects can be caused during production transportation installation operation maintenance or service Defects may NOT be the responsibility of the manufacturer Nobody willfully or intentionally produces a defective product No determination shall be made until the technical issue s or the causes of the defect s are identified The defects might be found before during installation or in the operation of the unit Defects can be in the form of blown fuse s defective control board s damaged remote control loose or missing screws etc These defective parts can be replaced easily Some functions of our units are different from what are typical in traditional split type air conditioning and heat pump systems and similar systems made by other manufacturers These are not defects Take some time to learn the functions of your unit We will be happy to assist you with any questions you may have concerning the functions of your new unit If a defect
52. g unit for duct type unit The jumper cap is missed or bad on main board of Malfunction of jumper cap indoor unit 1 Blink 15 times C5 E3 Please check or replace the correct jumper or the main board of indoor unit There s connecting problem at WATER D on main board or the water 2 Water overflow protection Blink 8 times H8 H8 aoa a ie bad device please check or replace it hdooramoeni The temperature sensor temperature sensor is al ROONEON maoor el 3 A EE hon Blink once F1 FO board has malfunction naa please check or replace it Indoor evaporator The temperature sensor temperature sensor is e ses oe 4 open circuit or short Blink twice F2 F1 Teui board has malfunction E please check or replace it Malfunction of ambient Display the malfunction of indoor ambient temperature aaae we 5 temperature sensor on sensor when using this temperature sensor F5 wire controller Green light blink once Notice 1 For cassette type floor standing type indoor unit wire controller is optional If the unit hasn t been equipped with the wire controller there s no display malfunction for wire controller 2 Cassette type unit only has 3 indicators no dual 8 display 3 Only the cassette type is with the error protection of water overflow Floor ceiling type and duct type indoor fans are not built with the error protection YMGI Engineered Comfort Products for A Sustainable and Efficient Green World P40 OF 40 AGINS AD
53. gerant from outdoor unit into inter connecting pipes and indoor unit 20 Check to make sure both indoor unit and outdoor unit are powered on correctly before controlling the indoor unit to operate in fan mode first Then move on to test cooling dehumidifying drying heating and other modes 21 Read refrigerant pressures and pipe valve temperatures only until the system is stabilized normally 10 minutes after cooling heating mode is started successfully Put this data into the technician checklist in the lower half section of the Limited Product Warranty Registration Card Form 22 Adjust refrigerant charging level remove refrigerant if pipe is shorter temperature is colder add refrigerant if pipe is longer temperature is warmer following manufacturer s instructions if average pipe length is shorter or longer than 25 and pressure temperature readings at outdoor unit service valves are not falling into normal ranges 23 Explain to the user owner s about proper unit operation and maintenance and leave your contact information for them to reach you easily 24 If the customer finds the unit doesn t work properly and cannot resolve the issue themselves check the customer s units parts accessories and correct the problem if there is any Communicate with YMGI technical support line 866 833 3138 x 703 if needing help Following these requirements will aid in ensuring the units to be installed to the general HVAC practicing standards and necess
54. hipping date from YMGI Group whichever comes first This is a standard warranty of limited liability and DOES NOT cover the following Any damage or repairs to properties or persons as an incident or consequence of improper or faulty transportation installation operation maintenance or service Damage caused by frozen or broken water hoses or refrigeration pipes in the event of equipment failure Any damage as a result of floods fire wind lightening accidents corrosive atmosphere or any other conditions beyond the control of YMGI Group Any damage due to interruption or inadequate electrical service to equipment Any products that are installed outside the US or Canada Any unit that has been moved from the original installation address Any labor costs associated with the installation or service of the unit Poor unit performance due to improper unit selection SEER Unit size To validate the above warranties ALL the following conditions must all be fulfilled 1 The unit was fully 100 and successfully installed by licensed or certified HVAC technicians 2 The unit was installed following all NEC state and local codes 3 The unit was installed following all instructions and manuals made by YMGI Group 4 ALL fields especially the technician checklist of the Limited Warranty Registration Card Form were filled completely by the installing technician and signed by both the installing company technician and
55. ing LILIA LLL 1 Let the flare end of the copper pipe point at the screw and then tighten the screw by hand 4 JA as 2 After that tighten the screw by the torque wrench until it clatters as shown in Fig 18 J LU A 07 No gap Pipe Flare Nut Pipe j j Fig 19 L CAUTION After the pipe is protected well enough never bend it to form a small angle otherwise it would crack or break 3 Wrap the pipe with tape Spanner 7 Spanner 1 Bundle the refrigerant pipe and electric wire together with tape and separate them from the drain pipe to prevent the condensate water overflowing Fig 18 2 Wrap the pipe from the bottom of the outdoor unit to the top of the pipe where it enters the Table 6 Moments of Torque for Tightening Screws wall During the wrapping the later circle should cover half of the former one Diameter of Pipe In Moment of Torque N m 3 Fix the wrapped pipe on the wall with clamps 96 35 1 4 15 30 N CAUTION Do not wrap the pipe too tightly otherwise the insulation effect would be weakened elie si ssc Additionally make sure the drain hose is separated from the pipe p12 Z ee After that fill the hole on the wall with sealing material to prevent wind and rain coming into 159 95 8 60 65 the room 3 The bending degree of the pipe can not be too small otherwise it will crack And please use a pipe tube bender to bend the pipe 4 Wrap the e
56. l which can be reinforced and folded by 8 iron wire 4 N More noise is likely to be produced in the downward return air mode than the backward return air mode so it is suggestive to install a muffler and a plenum box to minimize the noise 5 Nr The installation method can be chosen with considering the conditions of the building and maintenance etc as shown in Fig 12 YMGI Engineered Comfort Products for A Sustainable and Efficient Green World P150F 15 7 D Wind supply i D Cram Back wind Install the back wind pipe a Install the back wind pipe b Fig 12 Table 5 Parts and Components of the Return Air Duct No Name No Name 1 Return Air Louver with the filter screen 4 Indoor Unit 2 Canvas Duct s Air Supply Duct 3 Return Air Duct 6 Access Grille CONNECTING DRAIN PIPE Installation of the Condensate Pipe 1 The condensate pipe should keep a inclination angle of 5 10 which can facilitate the drainage of the condensate water And the joints of the condensate pipe should be insulated by the insulation material to prevent condensing see Fig 13 Insulating Layer for the Condensate Pipe Pipe Lid Fig 13 Thermal Insulation of the Condensate Pipe 2 There is a condensate outlet on both left and right sides of the unit Once one is confirmed to be used the other should be clogged by a rubber plug bundled by the binding
57. lems with the professional knowledge about HVAC and electric product installation by using special tools or instrument They can contact YMGI technical support for technical help during unit installation or inspection Product model and serial numbers needed which can be found on unit nameplate sticker so that our technician can quickly identify the unit parts and wiring diagrams among our many products and models 3 The distributor where the unit is purchased from otherwise 4 YMGI Technical Support Tel 866 833 3138 703 Email techsp ymgigroup com YMGI Engineered Comfort Products for A Sustainable and Efficient Green World P7 OF 7 CUSTOMER AND TECHNICIAN MUST READ WHY DOES YMGI GROUP REQUIRE INSTALLATION AND SERVICE TO BE 100 PERFORMED BY LICENSED OR CERTIFIED HVAC TECHNICIAN CONTRACTOR 1 They have the training and experience to accurately and safely install and service your equipment The equipment runs with high pressure refrigerant and oil and line voltage The copper lines must be installed properly to prevent leakage and foreign substances from contaminating the refrigerant system 2 You will save money in the long run If any problems occur on the unit that is fully installed by the licensed or certified contractor they have the training and experience to correct the problem more efficiently A technician s may be unwilling to repair an issue on a unit that they did not install If you do find a technician willing
58. ly In AUTO mode the temperature cannot be changed The temperature range for this remote is 61 F to 86 F TEMP Button When the unit is first turned on the remote will display the last set temp When the TEMP button is pushed twice the indoor unit will display the room temp for approximately 5 seconds before going back to the set temp TO LOCK THE REMOTE If you would like to lock the remote from anyone changing the settings simply press the and the buttons simultaneously When the remote is locked you will see an icon of a lock appear on the remote If while the remote is locked and someone pushes a button on the remote they will see the icon of the remote flash three times This indicates the remote is locked To unlock the remote simply press the and the once more You will know the remote is unlocked once the icon of the lock disappears from the remote screen SWITCH BETWEEN F AND C The remote default is Fahrenheit If you would like to switch between the remote displaying Fahrenheit and Celsius press the MODE and the button simultaneously while the unit is turned off TIMER ON BUTTON This button allows you to set a time you would like the unit to turn on The clock is a 24 hour clock Press the TIMER ON button once and you will see the word d By pressing either the or the button choose the time you would like the unit to turn on Once you have the desired time displayed on the remote press the TIMER ON button o
59. m YMGI 2 Products have not been installed 3 No damage exists on the products being returned 4 No missing products 5 Products and packages are clean 6 No duct tape or marking on the product or box 7 Products are still their original package in good shape and in re sellable condition as YMGI determines B Preapproval steps for your return request 1 Contact your distributor or YMGI to request a return 2 Photograph your product and box to show details 3 YMGI will review your request along with the pictures and any other details pertaining to your request 4 If YMGI agrees to process your return request a form called Return Goods Authorization RGA along with an assigned RGA will be forwarded to your distributor or you 5 Any return without YMGI Group approved RGA will not be accepted YMGIl Engineered Comfort Products for A Sustainable and Efficient Green World P44 OF 44 c OVsd LSNN c QVsd LSNIN CUSTOMER AND TECHNICIAN MUST READ C YMGI must verify the following before you can pack your products 1 No products units parts accessories are missing 2 No damage is found 3 The products are in the original packaging 4 No duct tape on any product or box 5 Pictures have been taken and sent to YMGI to verify the product and boxes are not damaged 6 The RGA has been completed and a copy has been returned to YMGI via email or fax 7 YMGI has approved the request in writing D Shippi
60. n the drainage outlet is clogged Measure the resistance between power wire leg against ground to see if there is any electricity circuit shot cut When resuming the circuit breaker itis tripped off immediately Breaker is tripped off or the fuse is burned out There might be some wire insulation issues or insufficient electrical creeping distance somewhere in the circuits due to bad environment or bad components When the main power switch is truned on some When the unit is turned on the watts of electricity is being used even if the circuit breaker is tripped off in a few minutes system is not operating Turn off the main power supply switch to save energy N Check the power supply circuit and a a a trace back to find the breaking point Power wire is loose or Fix the loose or broken disconnected wire connections Fuse on PCB is burned out Replace the fuse Wire connections of transformer Fix the wire connection issues or are loose or disconnected or replace with a good transformer transformer is bad It may cause interference in the picture or sound n n _ oo Controller is bad Replace the controller nl a VE IA 1D a Remote control s battery Replace all batteries with new ones is at low level Remote control malfunctions Cooling and heating performance will be affected if the doors and windows are open for an extended i Unit doesn t react period of time aft
61. nce more and the word ON will stop blinking and stay on the remote The time you would like the unit to turn on is now set To cancel the TIMER ON function simply press the TIMER ON button once more and the ON will disappear from the remote screen TIMER OFF BUTTON This allows you to set the time that you would like the unit to shut off Simply follow the above steps but this time press the TIMER OFF button instead of the TIMER ON button When the word OFF is on the remote screen the time you would like the unit to turn off is now set To cancel the TIMER OFF function simply press the TIMER OFF button once more and the OFF will disappear from the remote screen YMGI Engineered Comfort Products for A Sustainable and Efficient Green World P30 OF 30 NOILVasadO LINN NOILVaadO LINN REMOTE CONTROL KEY NAMES amp FUNCTIONS SWING BUTTON Hold the swing button symbol gt SWING UP AND DOWN BUTTON fs shown above for more than 2 seconds and the indoor air louver will start to swing between the highest and lowest limits Once the swing button is Press this button to set up swing angle which circularly changes as below released the louver will stay in the last position where gt i igi I J uaii j gt the button was released 4 If the swing button is pushed just once the swing icon OFF gt f 4 will appear on the remote and the louver will swing This is an universal use remote control If remote up an
62. nd indoor unit with nitrogen to check for positive leakage pressures 150 200PSI before conducting vacuuming leakage check 21 Did you check if the compressor can be started and stopped in a correct design manner 23 Measured refrigerant pressures at outdoor service suction valve when unit was st Heat pump PSI Cooling PSI Outdoor Ambient Temp F 25 Have you checked all unit functions with customer s witness and all functions are correct 27 Do you provide regular one year free technical service for this installation Installation Finished and Unit Works Successfully Print Name of Installation HVAC Technician Signature Date and time 2 What had been done prior to your arrival 4 Who unpacked the unit and accessory boxes to check for damage 6 Incoming electrical power V Ph Hz measured at terminal blocks of indoor unit outdoor unit 8 Wire gauge length and terminal colors between each indoor and outdoor unit UnitA Unit B Unit C Unit D 10 Are the inter connecting wires and copper lines between indoor and outdoor units installed covered protected by line set covers or anything else 12 Where is are the indoor unit s located Unit A Unit B Unit C Unit D 14 Did you check the indoor unit for condensate leakage and refrigerant leakage before and after connecting them 16 Have you checked to make sure there is no cross piping and no cross wiring between any two indoor units zones
63. ng Preparation Package all products in a manner in which no damage can occur to the product and secure to a pallet Take and forward pictures of packed pallets for YMGI to verify proper packaging and no existing damage Include the YMGI approved RGA in the shipping documents YMGI reserves the right to approve or deny any shipments 5 YMGI can arrange shipping for you but not at YMGI s cost If this option is chosen a packing list and BOL will be issued to you through YMGI 6 If the above option is not chosen you will be responsible for all freight charges YMGI will not accept any returned items COD 7 Place the package in an area which is accessible to the shipping company for pickup and limits the possibility of damage to the product Customer must be present at the time of freight pick up After shipping fax the BOL to YMGI Group at 1 866 377 3355 or email to customerservice ymgigroup com detailing the information of the freight company and their tracking number 1 2 3 4 E Freight Damage 1 YMGI Group will inspect returned items 2 Claiming of freight damage from a customer hired carrier will be the customer s responsibility 3 Claiming of freight damage from a YMGI hired carrier will be YMGI s responsibility F Charges for your return 1 A restocking charge of 25 creditable invoice value 2 All return shipping fees 3 Additional fees will be charged if products are found to be damaged missing or used
64. oor comfort This is a common drawback of AC HP units made by other manufacturers With YMGI s U touch feature this can be avoided and your comfort level can be improved When you press the U TOUCH button on the remote control the unit will use the temperature where the remote is located as its target temperature control Once you do so you will notice a figure of a person surrounded by stars appear on the remote Once the U TOUCH stars appear the remote will send a signal of the remote local temperature to the indoor unit and this remote local temperature will supersede the return air temperature as the unit s target temperature Every 10 minutes such signal will be sent from the remote to the indoor unit updating the remote local temperature If at any time during this process no signal is received by the indoor unit from the remote the unit will switch back to the previously set temperature before the U TOUCH feature is activated To turn the U TOUCH feature off simply press the U TOUCH button until you see the symbol disappear from the remote screen By doing so the return air temperature will take the place of remote local temperature as the unit s target temperature U TOUCH is what YOU WANT U TOUCH feature brings to you a true comfort level wherever and whenever you want U Touch Feature Is NOT Activated U Touch Feature Is Activated a T A Temp sensor p 5 Roof l Warmer Warm air PENE Roof Colder Col
65. ow Green Control box cover 4 wire cable to outdoor unit Note The temperature of refrigerant circuit will be high please keep the interconnection cable away from the copper tube An all pole disconnection device which has at least 3mm separation distance in all pole and a residual current device RCD with the rating of above 10mA shall be incorporated in the fixed wiring according to the national rule YMGI Engineered Comfort Products for A Sustainable and Efficient Green World P23 OF 23 Earthing Requirements 1 The air conditioner is classified into the Class appliances so its earthing must be reliable 2 The yellow green line of the air conditioner is the earth line and can not be used for other purpose cut off or fixed by the tapping screw otherwise it would cause the hazard of electric shock 3 The reliable earth terminal should be provided and the earth wire can not be connected to any of the following places Running water pipe 2 Coal gas pipe 3 Sewage pipe 4 Other places where the technician think unreliable Accessories for Installation Refer to the packing list for the accessories of the indoor and outdoor units respectively WIRING DIAGRAMS OF INDOOR PCB WMMS 12EC V2B 59 2 WMMS 18EC V2B 59 2 Indoor Unit AP2 SENSOR SENSOR LS gt 0K i 15K No 0 _ P D A Dutooor AP ES r TR IN TR OUT Pump Check PUMP E CN12 CNIS CNIE
66. perience A few of the problems result from DIY s lack of Knowledge in the following areas Sizing and selecting correct type size and model of cooling and or heating equipment Sizing and installing correct electric circuit breakers and wires Wiring the units correctly and properly Taping the ends connecting to indoor and outdoor units correctly and properly Vacuuming the inter connecting refrigerant lines Checking and or fixing the refrigerant leaks Checking and or fixing the condensate drain leaks Releasing the refrigerant from outdoor unit to indoor unit Running the unit to check all the unit functions Conducting the installation or trouble shooting with correct tools experience or professional knowledge to correct the problem RECEIVING AND FREIGHT DAMAGE Freight package unit shall be checked thoroughly for damage at receiving before accepting by signing on the carrier s delivery paperwork Upon shipment being signed for acceptance it becomes a binding document as to the condition of the products on delivery We cannot process any shipping damage claim if you accept the delivery If damage is found at delivery both you and the delivery driver must make notes on the delivery receipt or other freight paperwork detailing the damage found by marking position parts on unit description of damage time date your name contact phone etc on the delivery documents Make a copy of the marked deliver
67. rection to push the back cover open on remote control 2 Take out the old batteries As show in figure 3 Insert two new AAA1 5V dry batteries and pay attention to the polarity As show in figure 4 Attach the back cover of wireless remote control As show in figure NOTE When changing the batteries do not use the old or different batteries otherwise it can cause the malfunction of the wireless remote control If the wireless remote control will not be used for and extended period of time it is recommended to leave the batteries out as this could cause leakage from the o Sketch map for batteries This will damage the remote control changing batteries The operation should be in its receiving range It should be placed at where is 1m away from the TV set or stereo sound sets If the wireless remote control can not operate normally please take them out after 30s later and reinsert if they cannot normally run please change them ABOUT MODE CLASH CONFLICT BETWEEN INDOOR UNITS If any two indoor units are controlled to run the following modes indoor unit will run into mode clash or conflict All indoor units will stop to run and show Protection Error code E7 unless shut off and then re power Some on HEAT Mode while others on COOL Mode and or DRY Dehumidify Mode and or FAN Mode NOTE COOL mode is compatible with DRY and FAN mode In other words there will be no problem for some indoor units to run COOL while others m
68. ssor is emitting heat to get ready for restarting It s the starting sound of thermostat and will turn low after 1 minute This is caused by the refrigerant flowing inside the unit This is the noise of refrigerant caused by flow stop and flow change The noise is heard when the drainage pump is in operation No need to do anything This is caused by the panel expanding or contracting due to temperature change in some structural parts Dust entered into the unit and blown out at re starting Clean filter and coil This is caused by the odors in the room which have been left or kept on the filter or coil clean the filter and coil P38 OF 38 AGINS ADIAYAS 8 SONVNALNIVIN LINN AGINS ADIAYAS 8 SONVNALNIVIN LINN TROUBLE SHOOTING ERROR CODE LIST Red light Yellow light Green light Floor Display of Display of wire Malfunction name running heating cooling ceiling LED dual 8 _ High pressure protection of system Blink once Antifreezing Blink twice Low pressure protection of system Blink 3 times Discharge protection Blink 4 times Low voltage overcurrent protection Blink 5 times Blink 6 times Communication malfunction Mode shock Blink 7 times moe e moe e ome e ma rove fe e me e e e Blink once F1 Malfunction of jumper cap Defrosting heating oil return Overload protection of comrpessor ax O Aq System is abnormal Module protection 1 PFC protection oO
69. stallation instructions all governing safety codes with care and professionalism Any problems due to improper operation of the air conditioner neat pump system Users shall keep the manual and refer to it for the correct understanding of how the unit will work and how to operate the unit correctly Any problems due to improper maintenance of the air conditioner neat pump system Like a car regular maintenance or yearly checking is necessary for the unit to work properly for you before the season comes For example air filter shall be checked for cleaness from time to time Remote control batteries shall be checked for enough power before judging the unit is not working CONTACT FOR FIELD SERVICE OR REPAIR The following people in a prioritized sequence will take care of your request or issue 1 The original installer otherwise 2 Your current service contractor otherwise 3 Authorized contractor in YMGI list that is close to you otherwise 4 Authorized Distributor in YMGI Distributor list otherwise 5 Contractor Distributor you prefer who is close to you CONTACT FOR GENERAL TECHNICAL QUESTIONS OR SUPPORT IN A SEQUENCE 1 The original installer otherwise 2 The current service contractor otherwise The original licensed installer or current service contractor should be contacted first of all since they installed the unit and or know more details than anybody else They will check the unit and find out the prob
70. t SLEEP set on SLEEP set off will switch between the heating and cooling to maintain the factory preset temperature of 77 F The HEAT mode SLEEP profile is as follows N r Poihi SLEEP set on SLEEP set off 4 4 AN ama Ts e 1 hr COOL il ee ee ee i DRY ui on ss FAN T E E E i Hours since sleep set HEAT Temp only for cooling and heating unit 2 YMGI Engineered Comfort Products for A Sustainable and Efficient Green World P29 OF 29 REMOTE CONTROL KEY NAMES amp FUNCTIONS FAN BUTTON By pressing this button you can select from fan speeds AUTO Low Middle High When the unit is first powered on the default fan speed setting is AUTO When running the unit in DRY mode the fan speed will only run in low speed A gt al wal a Highfan Highfan a l High fan CLOCK BUTTON The time function runs on a 24 hour clock To set the time press the clock button once You will see a flashing clock appear on the remote Press the button to increase the time press the button to decrease the time until the desired time is set Press the clock button once more to set the time You will notice then the clock symbol is not flashing LIGHT BUTTON This allows you to turn the indoor unit display light on and off If the light emitted by the display is bothersome simply press the LIGHT button on the remote and the display will turn off To turn the Note Under the Dry mode the fan spee
71. ter Screen 4 Return Air Inlet 8 Air Supply Outlet A o i A Q seuss bho Le es Back wind D Back wind 2 Installation of the Round Air Supply Duct Install the back wind pipe a Install the back wind pipe b YMGI Engineered Comfort Products for A Sustainable and Efficient Green World P13 OF 13 YMGI Engineered Comfort Products for A Sustainable and Efficient Green World P14OF 14 C Fig 10 Return Air Inlet Table 4 Dimensions of the Air Supply Outlet and Return Air Inlet unit in p Item Air Supply Outlet Return Air Inlet Fig 9 Air Supply Outlet A B C D WMMS 09EF V2B 59 2 WMMS 12EF V2B 59 2 6 1 WMMS 24EF V2B 59 2 6 1 26 23 6 4 Installation of the Return Air Duct 1 The default installation location of the rectangular flange is in the back and the return air cover plate is in the bottom as shown in Fig 11 Rectangular Flange lt Backward Return Air ge Downward Return Air as e Return Air Cover Plate Fig 11 2 If the downward return air is desired just change the place of the rectangular flange and the return air cover plate 3 Connect one end of the return air duct to the return air outlet of the unit by rivets and the other to the return air louver For the sake of the convenience to freely adjust the height a cutting of canvas duct will be helpfu
72. terms between YMGI group and the unit owner 2 The YMGI Limited Product Warranty Policy and the Warranty Registration Card Form are either included inside the user s manual and or installation instruction manual or come separately in the unit packaging box envelope If for any reason they are not included with your shipment contact our sales or customer service to request a copy electronic or printed prior to installation 3 The checklist in the Warranty Registration Card Form is for the currently licensed certified HVAC technician to fill out completely while verifying all unit functions are operating correctly This checklist is for the technician to test and check all details of your unit to verify and ensure its proper operation 4 The technician must complete all fields in the Warranty Registration Card Form especially the unit model and serial numbers and distributor information and most importantly the technician checklist 5 Warranty Registration Card Form shall be mailed along with the original copy of the currently licensed HVAC contractor s full installation invoice to YMGI Group within 7 days after original installation in order for YMGI to review and process your warranty registration 6 Keep a copy of Warranty Registration Card Form for your own use in the future to aid in any possible future warranty claiming any request of parts customer service and or technical support 7 YMGI reserves the right to approve or d
73. the unit owner 5 The Limited Warranty Registration Card Form and a copy of the original installing company s invoice had been received by YMGI Group Warranty Dept POB 1559 O Fallon MO 63366 within 7 days of successful installation No warranty filing will be validated or approved if any one of the above 5 conditions is not met Product registration doesn t guarantee the validity of this limited warranty statement Steps to follow for warranty part replacement 1 Installing or service technician contacts YMGI tech support at 1 866 833 3138 ext 703 from the jobsite to double check and confirm with YMGI Technical support the exact part s needed to fix all the problems 2 YMGI will check the customer s warranty filing Parts for validated and approved warranty will not be charged Parts of invalid warranty filing or unapproved warranty requesting will be charged accordingly 3 YMGI will ground ship out the parts ASAP Expedited shipping is available at the customer s cost 4 Replacement parts of approved warranty registration are to be warranted for the remainder of the 1 year parts and 5 year compressor warranty Purchasing of replacement parts of invalid warranty filing or unapproved warranty requesting will be as they are and bear no warranty YMGI keeps on improving products with various engineering changes without prior notice Such improvements or changes include but not limited to product specification appearance functions siz
74. ther conditions beyond the control of YMGI Any damages to person or property of whatever kind direct or indirect special or consequential whether resulting from use or loss of use of the product Failure to start due to voltage conditions blown fuses open circuit breakers or other damages due to the inadequacy or interruption of electrical service Parts not supplied or designated by YMGI Products installed outside USA or Canada Regular equipment maintenance or field service or field inspection Any problems due to improper cooling and heating load calcuation of the room building the air conditioner heat pump system is to be installed Equipment users can get the calculation schedule from your room building architect or your installation or related service HVAC contractor who should have the knowledge and the tools to do these calculations correctly Any problems due to improper sizing and selecting air conditioner heat pump system These equipment sizing and selection work should be conducted by either your room building architect or your installation or related service HVAC contractor who should have the knowledge and the tools to do these calculations correctly and get your approval before purchasing the air conditioner or heat pump equipment Any problems due to improper installing of the air conditioner neat pump system Installation should be conducted by currently licensed HVAC technician following manufacturer in
75. tic wave INSTALLING DIMENSIONS AND CLEARANCE Installation Instructions Outline Dimension Drawings of the Indoor Unit Note the unit in the followings figures is mm unless otherwise specified Fig 1 is applicable to WMMS 09EF V2B 59 2 WMMS 12EF V2B 59 2 WMMS 18EF V2B 59 2 WMMS 24EF V2B 59 2 G E Electric Box Liquid Pipe Gas Pipe T i i l l Backward l Return Air He gt B E A th Downward Return Air D i F L J a Fig 1 Table 1 Outline Dimensions Item A B C D E F G H l J em ofeteiefalil gt WMMS O9EF V2B 59 2 mj j 29 2 19 3 26 24 4 28 24 2 31 6 1 8 25 WMMS 12EF V2B 59 2 WMMS 18EF V2B 59 2 37 1 19 3 32 3 35 4 24 2 YMGI Engineered Comfort Products for A Sustainable and Efficient Green World P11 OF 11 Dimension Requirements on the Installation Space of the Indoor Unit Fig 2 MOUNTING UNITS 2 Installation of the Indoor Unit Insert the M10 expansion bolt into the hole and then knock the nail into the bolt Refer to the Outline Dimension Drawings of the Indoor Unit for the distance between holes and see Fig 3 for the installation of the expansion bolt Air conditioning unit Li Ling Hanger bolt Z Z i earn ae eg Fig 3 Fig 4 Install the hanger
76. tly to check and see if there have been any contractors in your area who have installed our products or similar 6 Ask for a detailed quote for the whole installation project A flat rate quote is the safest contract for both you and the contractor 7 Your local HVAC technicians may charge you on a project basis or on an hourly basis To our general knowledge and experience a full single head installation may normally cost anywhere from 800 to 1500 These costs are estimates and your actual costs may differ due to job nature and location 8 Number of hours can vary depending upon each individual situation some factors are but not limited to 9 How difficult or complex the indoor unit is to be securely installed 10 How difficult or how long the inter connecting pipes and wires are to be installed YMGI Engineered Comfort Products for A Sustainable and Efficient Green World P8OF8 c OVsad LSNiN UNIT PICTURE amp WORKING TEMP RANGES SPECIFICATIONS C tems __ Unit Conditions WMMS 09EF V2B 69 2 WMMS 12EF V2B 59 2_ WMMS 18EF V2B 69 2 WMMS 24EF V25 59 2 E x Heating Capacity Btu h gt lt y Air throw Ft 25 20 Upon Mounting Height Speed Temp External Static Pressure ae ER TRAR Sa RERA 47144141 49 45 42 52 48 44 FG40A FG20E Model FG30A Double Double Double 960 830 700 920 780 720 985 800 680 75 2x45 2x85 3 re E 3 Centrifugal 2 Centrifugal 4 5 5 x 5 3 O Fan Motor Output W D gt
77. ty 1 Any foreign substances introduced into the system as a result of failure of not sealing the ends of the refrigeration piping before pulling through structures at time of installation Not installing an oil P trap in the suction copper line where indoor unit is located 18 or more below outdoor unit Cross piping and or cross wiring on any units including more than one single zone or a multi zone system Not conducting a positive leak check by charging the system with dry nitrogen and soap bubble testing Not conducting a negative leak check by evacuating the copper lines for 30 minutes Vacuum must be held at 500 micron or better for at least 5 minutes starting from 5 minutes after the vacuum pump is shut off 6 Not conducting a positive leak check prior to the negative leak check 7 Not selecting the correct size of wire or circuit breaker 8 Not answering ALL questions in the technician s checklist inside the warranty registration form A WARNING The following may be overlooked ignored or treated as not a problem during your installer s installation but actually will cause your unit to underperform or even cause unit failure 1 Any kinks or improper bending of the copper piping 2 Any improper flaring or not centering of the flare with the nut or not tightening any connection 3 Not trial testing each indoor unit individually 4 Not reading technical data temp time pressure current after the system is stabilize
78. wire and insulated by the insulation material to avoid water leakage 3 The right outlet is defaulted to be clogged with a plug CAUTION No water leakage is allowed on the joint of the condensate pipe Design of the Drain Pipe 1 The drain pipe should always keep an inclination angle 1 50 1 100 to avoid the water gathering in some certain place 2 During the connection of the drain pipe and device do not impose too much force on the pipe on one side of the device and the pipe should be fixed as close as to the device 3 The drain pipe can be the ordinary hard PVC pipe which can be purchased locally During the connection inset the end of the PVC pipe to the drain outlet then tighten it with the drain hose and binding wire but never connect the drain outlet and the drain hose by adhesive YMGI Engineered Comfort Products for A Sustainable and Efficient Green World P16 OF 16 CONNECTING REF PIPING 4 When the drain pipe is used for multiple devices the public section of the pipe should be _ Precautions for the Lift Pipe 100mm lower than the drain hole of each device and it is better to use the much thicker l l Saa The installation height of the lift pipe should be less than 850mm It is recommended to set an inclination angle 1 2 for the lift pipe toward the drainage direction If the lift pipe and the unit pipe for such a purpose form a right angle the height of the lift pipe must be less than 80
79. with the size of the screw to the end of the multi core wire Insulation for the Refrigerant Pipe with the crimpling pliers 1 The refrigerant pipe should be insulated by the insulating material and plastic tape in order 4 Let the screw go through the terminal of the multi core wire and then fix it on the wiring to prevent condensation and water leakage board 2 The joints of the indoor unit should be wrapped with the insulating material and no gap is YMGI Engineered Comfort Products for A Sustainable and Efficient Green World P1 9 OF 19 YMGI Engineered Comfort Products forA Sustainable and Efficient Green World P20 OF 20 During installation the communication cable and the power cord must not be twisted together but instead separated with an interval of at least 2cm otherwise the unit is likely to run abnormally A Single Cored Wire B Mulit Cored Wire POWER Wiring Terminal INDOOR UNIT D INDOOR UNIT C INDOOR UNIT B INDOOR UNIT A Tin O N 1 2 3 N 2 3 N 2 3 A N 2 3 6 0 4in a ean aes a voj2 3 6 pajz 3 e jralelal vaj2 3 6 ONL Insulating layer xT5 G xT4 G x3 6G xT2 G xii l OUTDOOR UNIT Fig 20 WARNING ada If the power cord or the signal line is damaged they must be replaced with the dedicated ee S20 CRE MEI
80. xposed refrigerant pipe and the joints by sponge and then tighten them with the WIRING UNITS plastic tape N CAUTION B B During the connection of the indoor unit and the refrigerant pipe never pull any joints of the Wiring PANGEN Ne Wire ang the Wiring Terminal indoor unit by force otherwise the capillary pipe or other pipe may crack which then would result in 1 Wiring of the Single Core Wire leakage 1 Strip the insulating layer at the end of the wire about 25mm off with a wire striper The refrigerant pipe should be supported by brackets that is don t let the unit withstand the 2 Loosen the screw off on the wiring board of the air conditioning unit 3 Shape with the pliers at the end of the wire to a circle matching with the size of the screw weight of it p p g 4 Let the screw go through the circle of the wire and then fix it on the wiring board 2 Wiring of the Multi Core Wire Strip the insulating layer at the end of the wire about 100mm off with a wire striper 2 Loosen the screw off on the wiring board of the air conditioning unit If the specification of the outdoor unit pipe joint does not conform to that of the indoor unit then the joint specification of the outlet pipe of the indoor unit takes precedence A reducing nipple shall be installed at the joint of the outdoor unit so as to make the joint of the outdoor unit compatible with that of the indoor unit 3 Fix a wiring terminal matching
81. y receipt If the damage is minor or partial that you choose to accept you can contact the distributor or YMGI to discuss the possible replacement of the damaged part If refusal of the shipment is needed due to severe freight damage DO NOT sign the carrier s delivery receipt document indicating that you accept the products Mark receipt REFUSED DUE TO FREIGHT DAMAGE Sign and date along with the delivery driver s signature and date Take pictures showing the damage before the delivery driver leaves If you accept the delivery or fail to note damage on the driver s delivery receipt the ability to claim freight damage is lost and YMGI will not replace the unit on this basis Contact the distributor or YMGI report the damage by forwarding the marked delivery receipt copy and pictures Only after YMGI verifies with the carrier the necessary detailed notes of received freight damage will the damaged products be eligible for replacement If the returned products are found not damaged YMGI will treat it as a return and will charge you 25 of product value plus added shipping cost RETURN YMGI GROUP POLICIES amp RETURN GOODS AUTHORIZATION RGA All sales are final If the customer wishes to return a product the following Return Policies apply A Only those products units parts or accessories under the following conditions are eligible for return 1 Products are returned within 30 days of their original shipment date fro
82. you pay for 13 Sign a contract with them The contract should list all the detailed work they will conduct and the standards they will follow Some contractors are willing to include a 1 year installation service warranty at no extra charge Check with them to see if that is available If available include that in the contract 14 Verify and confirm the installation is done completely and all the unit functions have been checked and are working properly all the items in the checklist have been checked and marked well in the warranty registration card form prior to paying the contractor in full The cost of not having your unit installed properly can be more expensive than spending a little extra money that hiring the right contractor will cost Protect your investment and warranty eligibility by doing it right first time UPON PURCHASING OPENING PACKING BOXES AND INSTALLATION OF YMGI UNITS ACCESSORIES YOU AND TECHNICIANS YOU HIRE TO INSTALL THEM ARE ASSUMED TO HAVE READ ALL MATERIALS AND AGREE TO FOLLOW AND BE BONDED BY ALL WE SAY IN YMGI MANUALS 1 You understand all that is written hereafter in this and other documents that we publish 2 You will follow what is written hereafter in this and other documents that we publish 3 You will be bound by and completely follow all policies guidelines instructions warnings attentions and other materials as published by YMGI Group its subsidiaries or sister companies in writing 4 Only a

Indoor Units-Slim Recessed Fan Coil Unit EF

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