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Indoor Units-Ceiling/Floor Mount Universal EU

1. 16 TEST RUNNING 17 ROUTINE CHECK AFTER INSTALLATION 17 OPTIONAL WALL MOUNT CONTROL NOT REGULAR THERMOSTAT 18 REMOTE CONTROL BUTTON NAME amp FUNCTIONS 19 MAINTENANCE 22 OPERATING GUIDE 23 PRECAUTIONS 24 CHECKING UNITS PRIOR TO CONTACTING YOUR TECHNICIAN 25 PROTECTION AND ERROR CODES 26 TROUBLE SHOOTING GUIDE 28 CUSTOMER AND TECHNICIAN MUST READ 29 USER NOTES AND INSTALLATION SERVICE MAINTENANCE NOTES 35 A CAU Li l O N All Units Shall Be Installed by Experienced or Licensed Contractor Or Technician Read Manuals before Installation A CAU Li l O N Following NEC State
2. YMGI Group POB 1559 O Fallon MO 63386 USA Tel 866 833 3138 Fax 866 377 3355 Web Site www ymgigroup com Email info ymgigroup com YMGI Engineered HVAC amp R Products for Maximum Green World and Better Tomorrow Literature Part No LIT WMMS 59 2 EU DC IVTR SERVICE MANUAL 20131130 Subject to Continuous Engineering Change and Product Improvement without Notice YMGI is the Trademark and Property of YMGI Group Copyright of YMGI Group 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 CEILING FLOOR MOUNT EU WMMS 09EU V2B 59 2 ee WMMS 12EU V2B 59 2 cM A LIDS cians anism os EW 2 CERTIFIED www ahridirectory org WMMS 24EU V2B 59 2 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 maintenance and service use Servicer Use this manual for service refere
3. HVAC Contractor Technician Registration Card Serial No Date the Filled Registration Card YMGI Received Hired YMGI Recommended Unit s Work Warranty Warranty Successfully Yes No Approved Denied 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 p
4. E E Swing Step Motor ae okies AE 1 4 3 8 1 4 3 8 114 1 2 1 4 5 8 e Yes Yes a ear NOISE LEVEL Indoor side noise when blowing 60 24K 50 18K T 40 09K G 12K 30 O Z 20 10 0 Low Middle High Indoor fan motor rotating speed YMGI Engineered Comfort Products for A Sustainable and Efficient Green World P10 OF 36 OJNI LINN 22199 OJNI LINN 22199 UNIT DIMENSIONS WIRING DIAGRAMS WMMS 09EU V2B 59 WMMS 12EU V2B 59 WMMS 18EU V2B 59 DISPLAY PIPE IN PIPE MID PIPE OUT ROOM oe MANUAL i TEM SENSOR TEM SENSOR TEM SENSOR TEM SENSOR hs hs X X6 PANEL 7 230V for field install condensate pump CN14 CN15 TUBE TUBE O X108 COM OUT X101 AC L AP 1 H Fuse on PCB 47 Ze DOOCOCUACO TR OUT2 CN18 FAN H FAN M FAN L N1 X104 X105 X106 X105 STEPPING TRANSFORMER EE MOTOR L FAN MOTOR LEFT RIGHT YMGI Engineered Comfort Products for A Sustainable and Efficient Green World P11 OF 36 WIRING DIAGRAMS WMMS 09EU V2B 59 2 WMMS 12EU V2B 59 2 WMMS 18EU V2B 59 2 WMMS 24EU V2B 59 2 wired controller Receiving Board Indoor Unit 2 Apo PIPE TEMP ROOM TEMP SENSOR SENSOR YEGN SWING MOTOR N Evaporator 15K 230V for field install condensate pump P mid In Eny Dutdoor Unit ow TE NO X1 AC N AP 1 GBK aaa X3 coM n a J R Fuse on PCB aca E X2 AC L TR IN TR OUT CNIR ce
5. _ N NO A LO CO N O Ol gt N 2 odule protection Blink 6 times Z O Gn O OO FC protection w O oO Out of step malfunction of compressor Blink 7 times including erase malfunction Water overflow protection Blink 8 times Yes 00 ok CO Indoor ambient temperature sensor is mine Kn Yes open circuit or short circuit F Blink once Indoor evaporator temperature sensor is aiies Ra Yes open circuit or short circuit Blink 5 times Blink twice F NO Outdoor ambient temperature sensor is open circuit or short circuit Blink 3 times F3 Yes oO Outdoor condenser temperature sensor is open circuit or short circuit Sue UMES FA Yes AGINS ADIAYAS 8 SONVNALNIVIN LINN Discharge temperature sensor is open icone chia Blink 5 times circuit or short circuit F5 Yes 2 Blink 11times The reserved outdoor unit displays E2 HA E O Z O Malfunction of ambient temperature sensor on wire controller Display the malfunction of indoor ambient temperature sensor Yes when using this temperature sensor Green light blink once Gn When there s malfunction or protection for A C 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 norm
6. 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 WARN N G YMGI Group Will NOT Take Any Responsibilities for Any Damage or Loss Due to Do It Yourself DIY self installation and other Improper Installation or Operation or Natural Disaster A WARN 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 36 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
7. control If remote control sends the following three kinds of status that the swing status of main unit will be 21 N 9 When the guide louver start to swing up and down if turn off the Swing the air guide louver will stop at REMOTE CONTROL BUTTON NAME amp FUNCTIONS SYMBOL DISPLAY When power is first applied to the unit but the power has not been turned on by the remote control then the 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 COOLING Running symbol and cooling symbol are lit HEATING Running lamp and heating symbol are lit DRY Running lamp and dry lamp are lit FAN Running lamp and fan lamp are lit AUTO Auto lamp running lamp and actual running mode are lit ALPHA NUMERIC DISPLAY The setting temperature range for the unit is 61 to 86 F Press this button to set up the desired swing angle current position N which circularly changes as below zl which indicates the guide louver swings up and 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 temp
8. 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 warranty 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 cent
9. 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 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 set on the remote screen the time you would like the unit to turn off is now set YMGI Engineered Comfort Products for A Sustainable and Efficient Green World P20 OF 36 NOILVasdO LINN NOILVasdO LINN REMOTE CONTROL BUTTON NAME amp FUNCTIONS SWING BUTTON Hold the swing button symbol 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 released the louver will stay in the last position where the button was released If the swing button is pushed just once the swing icon will appear on the remote and the louver will swing up and down continuously between the highest and lowest points Push the swing button once more and the icon will disappear on the remote and the louver will remain at the last point the button was pushed When the unit is powered off by the remote the louver will close on the indoor unit gt I SWING UP AND DOWN BUTTON Press this button to set up swing angle which circularly changes as below X J gt l 4 OFF 21 zl A This is an universal use remote
10. 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 YMGI Engineered Comfort Products for A Sustainable and Efficient Green World P30 OF 36 c0Y 29 LSNN c 0Vsad LSNIN 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 experience 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 b
11. return air temperature will take 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 Roof Warmer Warm air ges Roof Temp sencor Colder Cold air drops v Wall mount indoor unit Signal communication X w TR Remete control 2 May Feel Colder than You Want in Summer and Winter YMGI Engineered Comfort Products for A Sustainable and Efficient Green World P21 OF 36 Under AUTO mode unit will display 77 F for cooling and 68 F for heating modes MAINTENANCE A WARNING Before inspection and maintenance of the unit always set the power switch to OFF to cut off the power supply CLEANING THE AIR FILTERS A WARNING The air filter must be cleaned by profressional eS Be OT oe rye N j ee O T oer AS OS v N ae d oe Q ay ane AS See Sy Se a gt RG Sate T AR f ia cree Ea Sass ne AT THE START OF THE SEASON Check that nothing blocks the air inlet and outlet of the indoor and outdoor units Running the unit without air filters can cause malfunctions due to dirt or dust Always install air filters at all times Check that drainage hose is not bent or clogged Check that the units are properly installed CLEANING THE UNIT THE ENCLOSURE Clean the enclosure of t
12. 5 16 17 18 19 20 21 I O Six times Seven times Eight times Air exhaust protection unit stops Four times Indoor ambient temp sensor malfunction Indoor pipe temp sensor malfunction 7a Blink once ST N Twice ST wre controler ambient temp sensormatincion emoe When the unit is controlled by cabled controller fault indication and error displays papes T Mean OO rey Oa OOOO oo areant SC Ce Overcurrent protection untstop O o Pe Communication matunctonunitstop Os o ooo Pe dumper matuncton H eS T T TH H SES 1 OO Three times D Four times 1 Gn Five times III co L X KR l Oo A CO YMGI Engineered Comfort Products for A Sustainable and Efficient Green World P26 OF 36 AdGINS ADIAYAS 8 SONVNALNIVIN LINN PROTECTION AND ERROR CODES Protection and Error Code List Summary Red light Yellow light Green light Floor Protection and Error Code Name running heating cooling ceiling wired controller for LED LED LED dual8 controller duct type unit eres lowe awe ee o a lawn e c oema wenn seamen awe T Malfunction of jumper cap Blink 15 times l g Z lt N m O Q 0 Z O Z O m OO Defrosting heating oil return Blink once Yes Defrost Overload protection of comrpessor Blink 3 times 3 Yes O Gn Blink 4 times Z O 1 System is abnormal XN lt P 9 Blink 5 times
13. ING LOCATION OPTIONS Ceiling Floor Against wall or stand alone Unlock the return air grille by pressing the locking 59 0 latch shown at the right Take out optional AAN aroe accessories and access to wiring terminal f Unscrew to take off the side panel Template or more HANGING In the case of ceiling hanging installation there is no need to remove hanger bracket from the indoor unit Illustration as follows Celling slab Buried hanging bolt UW E E O Z Hanger bracket Hanger bracket Hanger bracket fixing bolt M8 Hanger bracket fixing bolt M6 YMGI Engineered Comfort Products for A Sustainable and Efficient Green World P15 OF 36 REFRIGERANT PIPING WORK Heat insulation layer Connecting wire Select gas and liquid copper pipes per the following table MODEL LIQOLID PIPE WMMS 09EU V2B 59 WMMS 18EU V2B 59 WMMS 24EU V2B 59 Gas pipe and liquid pipe insulation must be no less than 3 8 To keep dust and moisture out both ends of copper Pipe wrapping tape pipe must be fully covered before putting insulation on and coiling it In field installation must check and keep the two ends of each copper pipe fully covered to protect against any foreign substances potentially entering the pipe and contaminating the refrigerant system In selecting pipe running path need to avoid as many bends as possible If it is necessary the bending radius must be mor
14. NCTIONS TN Z FZL LLL N a S ji E NS LED lights 1 POWER On Off system running stop Flashs when system falls in protection state 2 COOL On Off the operation of cool ON OFF 3 HEAT On Off the operation of heat ON OFF k UUNIIN NG Remote Control K and wires sess eee nr nr n e er sents PTT Not to damage line sets Ka Mk INLTS STRT COUP COUP H Je Kad E C4 TEE ENDF RDER m m m w m m m m m m m m m m m m m m m m m m m m m b m m m m m m ie ie ie i i i i i i i i i i i i i m i i i i m m m m m m m m m m m m m m m m m m ee m m ee ee eS YMGI Engineered Comfort Products for A Sustainable and Efficient Green World Side Panel Wrapping tape Lineset cover Refrigerant pipes P14 OF 36 NOILONAYLSNI S 4SaTIVLSNI NOILONAYLSNI S 4YSdTIVLSNI INSTALLATION OF INDOOR UNIT WARNING The unit must be installated and maintained by licensed HVAC Technician CAUTIONS NOT INSTALL UNIT AT Where there is too much of in the area Where there is high levels of acid or acidity exists Where there is electrical supply SELECTION OF INSTALLATION LOCATION Where cool air can be distributed throughout the room Where condensation water is easily drained out A place that can handle the weight of indoor unit Not in laundry nor in exhaust area Where access for maintenance is not blocked INSTALL
15. TS T iam LONN ETT TEET TTT PA OTT 011 mT T nH THT gt 5 a Air Out Air Out Air in Outdoor unit Indoor unit Sample Split System Indoor and Outdoor Units For Continuous Engineering Improvement and Various Marketing Needs and Actual Part Availability Reason Unit Appearance Subject to Change or Update Continuously without Prior Notice The electrical and thermal power for the whole system comes from the outdoor unit In YMGI SHCR or TTWC series of side discharge outdoor condensing unit s electrical and thermal components such as compressors and motors and heat exchange coils and others are incorporated into the cabinet in an optimized order These condensing units can be either hung on the wall or installed on the ground Once stacking or bracket kit is used some outdoor units can be stacked 2 or 3 units high upon unit size and applications Air is discharged horizontally quietly and smoothly These units are a perfect fit in locations where installation and applications of general up flow condensing units are limited such as apartments condos lofts multi families and high rise buildings and others Indoor unit s delivers the thermal and acoustical comfort to the rooms In cooling mode air passing through coil is cooled in heating mode air passing through coil is heated Air is filtered or treated by the built in mechanism washable or enzyme equipped or electrostatic powered filter varies from
16. acement 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 YMGI Engineered Comfort Products for A Sustainable and Efficient Green World P33 OF 36 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 install 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 custom
17. ad 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 and 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 t
18. al status YMGI Engineered Comfort Products for A Sustainable and Efficient Green World P27 OF 36 TROUBLE SHOOTING GUIDE Dual 8 Wire Indicator ae nixietube controller N Wire Dual 6 for controller display method for duct type unit The jumper cap at the place of silk screen CN1 Malfunction of jumper cap on main board of indoor 1 Blink 15 times C5 E3 unit has malfunction Please check or replace the main board of indoor unit There s connecting problem at the place of silk screen WATER D on l main board or there s 2 Water overflow protection Blink 8 times H8 H8 problem tor ihe water overflow inspection device please check or replace it The temperature sensor Indoor ambient at the place of silk screen temperature sensor is l ROOM on indoor main 3 open circuit or short Blink once F1 FO board has malfunction circuit please check or replace it 5 Troubleshooting method Red light Yellow light Green light running LED heating LED cooling LED iloor Malfunction name ceiling unit 4 The temperature sensor Indoor evaporator at the place of silk screen temperature sensor is TUBE or TUBE I or open circuit or short Blink twice F2 F1 TUBE O on indoor main circuit board has malfunction please check or replace it Malfunction of ambient Display the malfunction of indoor ambient temperature Replace the wite controller temperature sensor on sensor when using this tempe
19. 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 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 on flashing next to a time displayed 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 once
20. ble 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 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
21. 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 installation 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 heat 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 T
22. de 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 Hours since sleep set l mape Ts 1 2 S n SER Sa Ts 1 hr SLEEP set on SLEEP set off The HEAT mode SLEEP profile is as follows SLEEP set on 1 2 1 2 SLEEP set off 1 hr I Hours since sleep set l P19 OF 36 REMOTE CONTROL BUTTON NAME amp FUNCTIONS FAN BUTTON By pressing this button you can select from fan speeds AUTO Low gt Middle gt 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 DO gt 4 0 _ all a High Tan High Tan ff High fan Note Under the Dry mode the fan speed isn t adjustable low fan speed is imperative 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 th
23. ds 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 and 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 36 lL av3J LSNN lL av3J LSNN 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
24. e display back on simply press the light button once 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 rapidly In AUTO mode the temperature cannot
25. e and Efficient Green World P34 OF 36 c OVsad LSNN 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 a a ee ee a ee a a ee ee a INSTALLATION NOTES Put down whatever questions you have or problems you have seen as a unit history O Date Se elel ee Job Not Performed Technician Checklist j 1 5 Phone amp HVAC License BHOI Completed Fully SERVICE MAINTENANCE NOTES Contents of Service Maintenance Technician s Company Name Technician Name Phone amp HVAC License YMGI Engineered Comfort Products for A Sustainable and Efficient Green World P35 OF 36 YMGI Engineered Comfort Products for A Sustainable and Efficient Green World P36 OF 36
26. e than 1 5 or 2 Connecting indoor unit Before connecting indoor unit need to check if the indoor unit seals well Dry nitrogen is loaded inside the indoor unit before being packed at factory If you hear the nitrogen gas blasting out of the broken seal that means the indoor unit is sealed Otherwise need to recharge with nitrogen and recheck If you still don t hear any noise that means there is leaking somewhere inside the indoor unit Could use soap bubble or helium detector to find the leaking points You must fix the leaking point before recycling Only mount the indoor unit after the indoor unit has passed a leak check It will not be easy to fix the leaking after the indoor unit is hung and connected Better to find and fix the leaking points before hanging and connecting it Connect the inter connecting pipes to the indoor unit following general refrigeration piping practices DRAIN PIPING WORK A CAUTION Drain piping The drain pipe connection can be either on the right rear or right side The inside diameter of the drain pipe should be When drain hose is connected Incline the drain hose Not to be lifted equal to or slightly bigger than the outside diameter No folding of the galea pipe E Norio e soang Keep the drain pipe as short as possible and incline N water downwards at a gradient of at least 1 100 to prevent air pockets Fig 1 Use the drain hose and clamp that come with the indoor unit I
27. ear 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 sizes 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 P5 OF 36 LIMITED PRODUCT WARRANTY REGISTRATION CARD YMGI GROUP Innovative Competitive Efficient amp Conveniene 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 The Company the Shipping Packing Unit Was Sold Though List Number HVAC Contractor Technician Name Did the Company Pay to YMGI 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
28. ed 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 resort 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 Repl
29. eeded 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 other 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
30. el Type Piece Centrifugal 2 Centrifugal 2 Centrifugal 2 2 2 2 Swing Step Motor Output W E Ss es ee ee eee Input Power of Ele Heater Type W Electrical Protection Fuse PCB Transformer T3 15A 250V 0 2A Kanodia Alu Fin Inner Grooved Copper Tube Blue or the Like Blue or the Like Blue or the Like Sauce Comecions Sealed by Dry Nitrogen Flare Nut Liugid Gas 1 4 3 8 1 4 3 8 1 4 1 2 OD In Condensate Pump Installed Lift In Refrigerant Environmental Friendly R410A Filter Type Feature Standard Washable Standard Washable Standard Washable Size WxH In Qty 21 8 x 8 68 2 21 8 x 8 68 2 21 8 x 8 68 2 Clean Coil Surface Anti Mildew Function Pre heating Function Anti Cold Blowing Memory of Previous Set ups Power is Lost Resumed Auto Restart Function If Power is Resumed Unit Dimensione Net WxHxD In 32 9 x 27 4 x 9 37 32 9 x 27 4 x 9 38 32 9 x 27 4 x 9 37 Package WxHxD In 36 8 x 31 7 x 11 6 36 8 x 31 7 x 11 7 36 8 x 31 7 x 11 6 Unit Weight Net LBs Packaged LBs Loading Capacity 20 40 40 HQ 112 232 274 112 232 274 112 232 274 Indoor side noise when blowing 60 18K 50 12K lt 40 UQ a O a 30 O Zz 20 10 0 Low Middle High Indoor fan motor rotating speed YMGIl Engineered Comfort Products for A Sustainable and Efficient Green World P9 OF 36 UNIT SPECIFICATIONS GENERATION 2 poner Supels Heating Capacity Btu h Air throw Ft External Static Pressure Waterin 0 y 0 O erent
31. enance 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 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 N Check the power supply circuit and PON EE trace back to find the breaking point Fix the loose or broken wire connections Replace the fuse Fix the wire connection issues or replace with a good transformer Replace the controller Replace all batteries with new ones Press AUTO button on remote control or on control module If the unit works then check the connection of remote signal When the unit is turned on the circuit breaker is tr
32. erature 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 require users to set up by experiments or experience the target temperature quite few degrees higher than what you really want in order to reach a satisfied or more precise indoor 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
33. ering 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 stabilized 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 P3 OF 36 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
34. erservice 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 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 t
35. he air conditioner and the remote control with dry cloth or a vacuum cleaner If damp cloth is used remove molsture by using dry cloth afterward Do not use benzine gasoline thinners or polishing products for cleaning Do not wash with hot water above 104 F Some parts of the unit may be deformed DURING THE OFF SEASON Cut off the power supply main switch Clean the enclosure Leave the fan running for 2 3 hours to dry out the inside of the unit YMGI Engineered Comfort Products for A Sustainable and Efficient Green World P22 OF 36 NOILVadsdO LINN NOILVasdO LINN OPERATING GUIDE The temperature should not be set lower than what you need This would lead to increase energy cost To distribute cool air throughout the room adjust air flow directions shown by the arrows see picture to diffuse cool air R g In case of ineffective ventilation open the window to ventilate the room air once in a while but not too long since cooled air will be uselessly drained out ENT T B ke eC Wot US ws 7 LA Sri 7 Draw close curtains or close glass windows when cooling to prevent heat load from sun light which may cause more electricity cost Close window and door while operating the unit to prevent leakage of cooled air and save energy YMGI Engineered Comfort Products for A Sustainable and Efficient Green World P23 OF 36 PRECAUTIONS Turn off the air cond
36. he 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 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 E 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 a
37. he 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 problems 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 36 INTRODUCTION Ceiling Mount Cassette Systems are designed for high performance easy installation and service Each system consists of one or several indoor units and one outdoor unit which are connected by one set or several sets of interconnection refrigerant pipes and electric wires As shown in the following sample picture air is drawn through the center grilles filters and then discharged at 4 vents in 4 8 directions In cooling mode air passing through coil is cooled in heating mode air passing through coil is heated Hy NIH NW i hi HUAI HOPTUAEUAD AOL i
38. he 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 deny 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 Sustainabl
39. indoor units to run COOL while others may 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 P16 OF 36 NOILVasdO LINN NOILVasdO LINN REMOTE CONTROL BUTTON NAME 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 NOTEZ 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 IR Control Signal Transmitting LCD Display INCREASE DECREASE Temp Time Temp Time ON OFF EAN _ e RFAN MODE U TOUCH NOT USED TIMER ON CLOCK SWING a TEMP is 1 TIMER BLOW 7 8 0 a 2 TIMER OFF TURBO EE sl al LIGHT Sa oy PAN YMG SS E 7 A 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 functions will be canceled The preset time will remain MODE BUTTON By pressing this butt
40. ing 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 d
41. ipped off in a few minutes Power wire is loose or disconnected Unit doesn t react afterthe unit is powered on Fuse on PCB is burned out usually the unit will beep Wire connections of transformer are loose or disconnected or transformer is bad Controller is bad Remote control s battery is at low level Indoor unit is powered on but it doesn treactto Remote control malfunctions remote control s signal power light is on but no beeps Remote signal receiver PCB or its components are bad or loose in connections receiving head and wires If the connection is good then need to replace the signal receiving head or remote control Remote signal receiver head is broken YMGI Engineered Comfort Products for A Sustainable and Efficient Green World P25 OF 36 PROTECTION AND ERROR CODES LED Red Compressor high pressure protection unit stops Blink once LED Yellow m m N Indoor unit anti freezing protection Twice Low pressure protection unit stops Three times olimi n 1 m 1 m m GQ ldla E w Unit modes conflict Seven times Jumper malfunction fifteen times I Blink once 9 Defrosting Heating oil return Three times Compressor overload protection unit stops Four times Communication malfunction unit stops Six times Over current protection unit stops Five times System Unit malfunction I ol Five times T 10 11 12 13 14 1
42. irectly 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 P29 OF 36 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 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 a
43. ited 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 peace 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
44. itioner if while running electricity interference occurs if the unit is not to be used for a long time cut off the power supply main switch Do not channel the air flow directly at people especially infants aged persons or patients RON D a IKA Do not insert objects into the air inlet or outlet when the air conditioner is running as it may cause damage or personal injury Also pay special attention when children are around A WARNING The appliance should not be used by children without supervision YMGI Engineered Comfort Products for A Sustainable and Efficient Green World 0 Do not locate any obstacle against the air flow direction of indoor and outdoor unit Inefficient performance or malfunction may result Sts 7 on C a Do not locate a heater or any other heat source close to the unit The heat may deform plastic parts s P24 OF 36 NOILVdsdO LINN AGINS ADIANAS 8 SONVNALNIVIN LINN CHECKING UNITS PRIOR TO CONTACTING YOUR TECHNICIAN GENERAL PROCEDURES 1 Preparation before maintenance 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 Basing on the malfunction phenomenon reflected by user judge the parts which needs for replacing initially and bring those parts with you for maint
45. l OOS OI g G ONM ONM o L J COMPONENT POSITION MAP TRANSFORMER ME iie YEGN NOTE AP2 is optional accessory If AP2 and AP3 an L BN are connected to the unit at the same time the FAN MOTOR g default device will be AP2 YMGI Engineered Comfort Products for A Sustainable and Efficient Green World P12 OF 36 OJNI LINN 22199 NOILONAYLSNI S 4SdTIVLSNI INSTALLATION INSTRUCTION RECOMMENDED TOOLS FOR INSTALLATION 1 Mounting Indoor amp Outdoor Units and Running Piping Wiring Ruler Not Shown Stud Finder Dry Wall Saw Electric Drill 3 Hole Saw Drill Extension Hammer Drill and Bit Not Shown Measuring Tape Level Flash Light Screw Driver Phillps and Flat Hammer Knife Scissors Goggled Glass Mask Gloves Ladder 2 Refrigeration Related Work Flat Surface Wrentch Two Flare Nut Tool Set Not Shown Hex Head Key Set Torch for AC Application Not Shown Heat Absorbtion Flux Nitrogen Not Shown Soap Bubble Not Shown Vacuum Pump Helium Leakage Check Not Shown Manifold 3 Electrical Related Installation Wire Cutter Wire Stripper Sharp Plier Cable Ties Black Tape for Electrical Use lectrical Meter 4 Trial Running Units and Inspection Clamp Meter Not Shown Manifold Infra Thermometer Not Shown YMGI Engineered Comfort Products for A Sustainable and Efficient Green World P13 OF 36 LINESET COVERS PART NAMES AND THEIR FU
46. ll 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 YMGI Engineered Comfort Products for A Sustainable and Efficient Green World P310OF 36 CUSTOMER AND TECHNICIAN MUST READ C YMGI must verify the following before you can pack your products No products units parts accessories are missing No damage is found The products are in the original packaging 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 1 2 3 4 i N N N D Shipping Preparation 1 Package all products in a manner in which no damage can occur to the product and secure to a pallet 2 Take and forward pictures of packed pallets for YMGI to verify proper packaging and no existing damage 3 Include
47. ly Refrigerant leakage test Pipe insulation thick enough Drainage flow is unusual Grounding connected well or not Is the Power cable the right type and size providing a good protection and connection Inlet and outlet been restricted blocked YMGI Engineered Comfort Products for A Sustainable and Efficient Green World P17 OF 36 OPTIONAL WALL MOUNT CONTROL NOT REGULAR THERMOSTAT A N NOTE 1 Never install the wire controller in a place where is water leakage 2 Avoid bumping throwing tossing or frequently opening the wire controller 9 18 10 S KT 1 TIMER 303 C3 ERROR move CZ ONOFF U U L U HR NY CE 2 SLEEP Vv E O 1 SAVE SET E OUT ENV A 14 i b BE Coa e MN A LU esr L L La 15 AUTO COOL DRY 4 FRESH FAN HEAT ur T O ON OFF G 7 Composition of wire conrtoller Sleep display MODE button Button for temp increase Ambient temp display SWING button TIME button ON OFF button 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
48. mmunicate 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 necessary factory requirements finding any possible problems early preventing any further damage to the unit and helping ensure a properly working unit over its lifetime YMGI Engineered Comfort Products for A Sustainable and Efficient Green World P4 OF 36 l av3 LSNN 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
49. model to model before being delivered into the room with more than enough comfort and care at a wide angle swing or not varies from model to model s Ei il 1 I x zi i ki i E a 7 RR R a tle a a Apartments Office Buildings Homes Application Samples Ceiling Mount Cassette NOTES Since ductless system is not designed to incorporate or use with ducted return or discharge tunnels one single zone unit SHALL NOT be used to take care of the cooling or heating load of more than one story room Several single zone ductless systems or multiple zone ductless systems shall be used in this regard These units are designed for applications at Residential Light commercial Commercial Institutional Industrial Hospital These units are designed for general T 1 weather conditions as outlined in the following table YMGI Engineered Comfort Products for A Sustainable and Efficient Green World P8 OF 36 OJNI LINN 22199 OJSNI LINN 22199 UNIT SPECIFICATIONS GENERATION 1 hams Unit Conditions WMMS 09EU V2B 59 Power Supply Air Flow CFM High Medium Low 360 330 312 Air throw Ft Horizontal Installation 35 30 Upon Mounting Height Speed Temp l Upright Installation 35 20 Upon Mounting Location Speed Temp Water In o o o o oO Pressure dB A H M L 54 50 47 Power dB A H MIL 64 60 57 Model Shaft easier Input W Heating Capacity Btu h Capacitor uF Fan Whe
50. nce m Air Conditioner amp Heat Pump d l O Sa S Ve ot q IAC amp R for Maai LITERATURE LIT WMMS 59 2 EU DC IVTR SERVICE MANUAL 20131130 CONTENTS WELCOME AND PLEASE READ THROUGH MANUALS 2 INSTALLING TECHNICIAN CONTRACTOR S JOBS AND RESPONSIBILITIES 4 LIMITED PRODUCT WARRANTY POLICIES 5 LIMITED PRODUCT WARRANTY REGISTRATION CARD lt C CC C C 6 WARRANTY AND TECH SUPPORT 7 INTRODUCTION sE EE nnn Dae 8 UNIT SPECIFICATIONS 9 UNIT DIMENSIONS 11 WIRING DIAGRAMS 11 INSTALLATION INSTRUCTION 13 PART NAMES AND THEIR FUNCTIONS 14 INSTALLATION OF INDOOR UNIT 15 REFRIGERANT PIPING WORK 16 DRAIN PIPING WORK
51. nd 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 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 36 WHOJ AHV NOILVYLSISSAY ANV SAIDITOd ALNVYYVM WHOJ AHV NOILVYLSISSAY ANV SAIDITOd ALNVYYVM WARRANTY AND TECH 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 n
52. nsert the drain hose completely into the drain connector on the indoor unit Tighten the clamp Fig 2 3 Not to fold drain hose Fig 3 Wrap the sealing pad over the clamp and drain insulate to hose Air outlet Tighten clamp ee Taping area Drain hose Fig 2 Carefully pour water into drain pan Check for smooth drainage after the piping work is done Pour water into the drain pan from the air outlet to check for smooth drainage Fig 4 YMGI Engineered Comfort Products for A Sustainable and Efficient Green World P16 OF 36 NOILONYLSNI S 4YSdTIVLSNI NOILVH3dO LINN TEST RUNNING EVALUATION OF THE PERFORMANCE Check voltage ACCESSORIES CHECK FOR ALL ACCESSORY PARTS PRIOR TO THE INSTALLATION a Use a thermometer to measure cool air both in and out The temperature difference between in air and out Outdoor drain elbow 1 a air should not be less than 16 F Foo Paper pattern for installaition 2 beens I Be sure to use the factory provided accessories list above in the installation or it may lead to water leakage electric shock fire etc Thermometer ROUTINE CHECK AFTER INSTALLATION CHECK AFTER INSTALLATION IS COMPLETED The incoming voltage in accordance with the rated voltage marked on the nameplate See bue and piping connection installed correctly and aai connection pipes and the refrigerant charge adjusted Items to be checked Screws are tightened firm
53. on you can choose what mode you would like the unit to run in When the remote is first turned on the mode displayed will be the AUTO mode The temperature cannot be adjusted in this mode and will not display on the indoor unit This is a factory preset temperature of 78 F Under HEAT mode the initial set temp will be 82 F 28 C Under other mode the initial set temp will be 77 F 25 C XE HEAT YMGI Engineered Comfort Products for A Sustainable and Efficient Green World 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 over a period of 2 hours and remain at that temperature until SLEEP mode is turned off This way when the unit is SLEEP mode during cooling the fan will blow at a lower speed to accommodate for the decreased cooling load due to less activity and a lower outdoor temp The same principle of savings is applied to heat mode 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 mo
54. 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 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 wa
55. p 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 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 b
56. 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 key 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 hol
57. 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 YMGI 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 a
58. rature sensor F5 wire controller Green light blink once Notice 1 As 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 malfunction of water overflow protection Floor ceiling type and duct type indoor fans are without this kind of malfunction YMGI Engineered Comfort Products for A Sustainable and Efficient Green World P23 OF 36 AGINS ADIANAS 8 SONVNALNIVIN LINN c 0Vsad LSNIN 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 will
59. reakers 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 delivery 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 freigh
60. s 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 of 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 resolv
61. 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 YMGI Engineered Comfort Products for A Sustainable and Efficient Green World P32 OF 36 c0Y 29 LSNN c 0Vsad LSNIN CUSTOMER AND TECHNICIAN MUST READ DEFECTIVE UNITS PARTS ACCESSORIES REPAIR OR REPLACEMENT Out of thousands of units sold ever
62. 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 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
63. t 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 from 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 sti
64. ter 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 refrigerant 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 Co
65. 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 shipping 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 Grou
66. the YMGI approved RGA in the shipping documents 4 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 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 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
67. vailable 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 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 Lim
68. y 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 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 Thi

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