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MUST READ-2

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YMGI, Engineered Comfort Products for A Sustainable and Efficient Green World !

WHY DOES YMGI GROUP REQUIRE INSTALLATION AND SERVICE TO BE 
100% PERFORMED BY LICENSED OR CERTIFIED HVAC TECHNICIAN/ 
CONTRACTOR?

 

1) They have the training and experience to accurately and safely install and service your equipment.

 

    The equipment runs with high-pressure refrigerant and oil and line-voltage. The copper lines must be installed 

    properly to prevent leakage and foreign substances from contaminating the refrigerant system.

2) You will save money in the long run.    

If any problems occur on the unit that is fully installed by the licensed 

    or certified contractor, they have the training and experience to correct the problem more efficiently. A 

    technician(s) may be unwilling to repair an issue on a unit that they did not install. If you do find a technician 

    willing 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 directly 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.

CUSTOMER AND TECHNICIAN MUST READ

MUST READ-2

QUESTIONS ABOUT SELF-INSTALLATION VS HIRING LICENSED HVAC 
TECHNICIANS

CUSTOMER AND TECHNICIAN MUST READ

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 

Limited Product Warranty

.

5) Failure to follow what is written hereafter may cause various equipment issues that you will take full 
    responsibility and liability for, including, but not limited to, losing manufacturer's warranty, unit not working 
    properly, unit malfunctions, under-performance, decreased safety, increased potential of various damages to 
    your property, body, home and/or business, etc.

6) YMGI documents and policies supersede those made or provided by the sales distributors or installing 
    contractors. YMGI Group maintains the final authority in explaining and resolving any and all discrepancies 
    that might exist between distributors/contractors' documents and ours. 

YMGI STRONGLY RECOMMENDS:

* Customer hires a currently licensed/ certified HVAC technician(s) (N.A.T.E. or A.C.C.A certification is strongly 
   recommended) to conduct 100% of the installation, inspection of all unit functions and repair service.

* Customer signs an installation/service contract with the installation/service technician's company who has good 
   service references and you trust. Installation and service is very important to the life of your investment and 
   provide you a lifetime of comfort

 

and 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 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.

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.

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. 

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 available. If available, include that in the contract. 

14) Verify and confirm the installation is done completely and all the unit functions have been checked and are 
      working properly, all the items in the checklist have been checked and marked well in the warranty registration 
      card/form, prior to paying the contractor in full.

The cost of not having your unit installed properly can be more expensive than spending a little extra money 
that hiring the right contractor will cost. Protect your investment and warranty eligibility by doing it right first time. 

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YMGI, Engineered Comfort Products for A Sustainable and Efficient Green World !

Summary of Contents for WMMS-09K-V2A(57)2

Page 1: ...nd Heat Pump 09 24k 16 SEER This product is designed and manufactured free from defects in material and workmanship for normal use and maintenance Installation operation maintenance and service shall...

Page 2: ...trouble free installation proper operation of your products for many years to come YMGI Group POB 1559 O Fallon MO 63366 is the only party who holds the final explanation in authorized writing about...

Page 3: ...e 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 jo...

Page 4: ...he 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 out...

Page 5: ...Pump 2 Load calculation must be done carefully and correctly by experienced technician for each room that needs to be conditioned before sizing unit and selecting correct model Not to undersize or ov...

Page 6: ...nstall them in secured positions PVC line set cover is recommended to protect against rain and sunlight and other potential damage DO NOT blow the cold air directly towards people for prolonged period...

Page 7: ...3 10 3 10 3 10 26 Evaporator Row fin Gap Inch 2 3 50 2 3 50 2 7 127 2 7 127 27 Evaporator Coil W H x D Inch 24 11 3 5 1 24 11 3 5 1 25 13 15 12 1 512 17x27X1 28 Swing Motor Model MP24BA MP24BA MP28VB...

Page 8: ...d is discharged so that the indoor room temperature is decreased The cooling capacity will increase or decrease depending on the outdoor air temperature Anti freezing function If the unit is running i...

Page 9: ...notice then the clock symbol is not flashing Note Under the Dry mode the fan speed isn t adjustable low fan speed is imperative High fan High fan High fan AUTO NAMES AND FUNCTIONS OF WIRELESS REMOTE C...

Page 10: ...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...

Page 11: ...ut After 30s later replace them back into the remote control in the correct polarities If the remote control still doesn t work properly then the remote control may need to be replaced Sketch map for...

Page 12: ...remote control 1 Is the remote control out of battery 2 Is remote control in direct sunlight 3 Is remote control signal blocked 4 Is remote control too far away from indoor unit 5 Is the fuse on indo...

Page 13: ...protection Heating LED Off 3S Blinks 6 times HE Compressor de managet protection rotor locked doesn t rotate Heating LED Off 3S Blinks 14 times L0 Airflow switch error TBD L1 Humidity sensor error TB...

Page 14: ...uring gas sensor error Running LED Off 3S Blinks 21 times HP Solar AC solar power input voltage is higher than 180V TBD dA AHU or RT discharge air relative humidity sensor error TBD dE AHU or RT fresh...

Page 15: ...r Cooling LED Off 3S Blinks 7 times FC Slide door error or air louver mechanism error TBD FE Over load sensor error TBD H8 Water level high overflow protection Heating LED Off 3S Blinks 8 times H9 Ele...

Page 16: ...0 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 inst...

Page 17: ...her 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...

Page 18: ...derations All unit removal re installation and shipping cost are the responsibility of the customer YMGI maintains the final authority as to unit replacement Replacement will be made with the same mod...

Page 19: ...AND INSTALLATION SERVICE MAINTENANCE NOTES Notes Asked for Your Technician for Help Did You Ask YMGI Tech for Help INSTALLATION NOTES Original Installation Company Name Technician Name Phone HVAC Lice...

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