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IMPORTANT NOTES

These precautions are essential and must be strictly observed.

DO NOT

 pull on the power cord or refrigeration lines. 

Install them in a secured position. A line set plastic 
cover is recommended.

DO NOT

 install the unit in places where there is 

exposure to flammable materials or gas leakage. 

DO NOT

 use wire or circuit breakers that do not meet 

electrical safety standards.  Several circuits cannot 
be connected to one breaker.

DO NOT

 wire or open the unit while it is running. 

Make sure to shut off all circuits prior to inspecting or 
servicing the unit.

DO NOT

 install unit in a damp laundry room or near 

flammable gas. All units must be protected by 
certified electrical circuit breakers and in accordance 
with all safety codes.

DO NOT

 use the unit in cool or dry mode for 

prolonged periods where humidity is higher than 80%. 

SAFETY WARNINGS

READ THESE SAFETY WARNINGS COMPLETELY PRIOR TO ANY USE. 

DO NOT

 install the indoor unit close to cooking 

surfaces or ventilation systems. Poor placement 
could inhibit peak performance.       

DO NOT

 blow cold air directly towards people for 

extended periods. It may get you a bad cold.  

DO NOT

 use chemical solvents, flammable 

insecticides, or abrasive materials. Clean the unit 
only with a soft dry cloth or rag.

DO NOT

 continue to operate the unit if there is any 

abnormal odor, burning, scorching, or smoke. Stop 
and disconnect the unit immediately.

DO NOT

 use the system for anything other than what 

it was designed for or any non-HVAC purposes. Do 
not store near food, paint, or other chemicals.

DO NOT

 operate the unit for prolonged periods 

without refreshing ambient air. Opening a door or 
window periodically will suffice.

Ground connection

Forbidden

Disconnect the plug

Imperative

Before using the air conditioner, be sure to check and preset the following.

REMOTE CONTROLLER PRESETTING

The remote control is 

NOT 

presetting as Cooling Only Air Conditioner or Heat Pump by manufacturer. Each time 

after the batteries are replaced the Cooling indicator and Heating indicator will flash alternately on LCD screen of 
the remota control..
User can preset the remote controller type depending on the air conditioner type you have purchased as follows:
Press any button when flashes, Heat Pump is set.
Press any button when flashes, Cooling Only is set.
If you don't press any button within 12 seconds, the remote control is preset as Heat Pump automatically.

Note:

If the system you have purchased is a cooling only unit, there will be no response even if the remote control is 
preset for heat pump. it doesn't bring any matter. But if the air conditioner you purchased is a Heat Pump one, 
and you preset the remote controller as Cooling Only, then you CAN NOT preset the Heating operation with the 
remote controller.

BACK-LIGHT FUNCTION (OPTIONAL)

Hold down any button of remote control for about 2 seconds, back-light turns on. When the button is released the 
back light will automatically shut off within 10 seconds.

Note: Back-light is an optional function.

If you want auto restart function, let the unit energize, hold down the Emergency button (ON/OFF) on the indoor 
unit for over 5 seconds, auto restart function is set with buzz sound, air conditioner is on standby.

AUTO RESTART PRESETTING

If auto restart has been set, hold down the Emergency button (ON/OFF) on the indoor unit for over 5 seconds, 
auto restart function is canceled with buzz sound, air conditioner is on standby.

PREPARATION BEFORE USE

YMGI, A COMFORT MAKER, A JOY COMPANION, A SATISFACTION GUARANTOR...

YMGI, A COMFORT MAKER, A JOY COMPANION, A SATISFACTION GUARANTOR...

By Placing Your Order and Purchasing Our Products from an Authorized Distributor, or by Opening the 
Carton Box, You Shall Have Read All Manuals and Instructions and Understood and Accepted and 
Agreed to All the Following:

What You Will Need to Do When Receiving the 
Products

Shall Check the Delivery Against the Order and Packing 
List to Make Sure There is No Unit/Part/Accessory Missing 
or Damage.

Shall Mark Any Unit and Part and Accessory Missing on 
the Delivery Confirmation Paperwork. 

Shall Report Any Freight Damage to the Carrier within 24 
Hours as of Delivery.

Shall Report Any Unit and Part and Accessory Missing or 
Damage to Sales/Customer Service within 24 hours as of 
Delivery.

No Report after 24 Hours as of Delivery, Meaning 
Units/Parts/Accessories Have Been Delivered Completely 
and No Damage is Found.

What You Will Accept before Breaking the Box 
Seal and Opening the Box

Due to Continuous Product/Engineering Improvement, as 
Well as Viewing Angles and Background Affects, the 
Contained Unit May Look Slightly Different from What is 
Shown on the Carton Box or Spec. Brochures.

The Units Were Manufactured Some Time Prior to the 
Shipping Date. Normally The Box is Sealed and The 
Units/Parts Contained Are New and Have not Been Used. 
From Time to Time, Shipper Does Select Boxes Randomly 
to Check the Contained Units/Parts to Make Sure 
Everything is All Right, before Shipping. But, All Units/Parts 
Have not Been Used.
The Product is Designed and Manufactured and Tested to 
Be Free of Defects at Manufacturer Plants, but if the Unit 
Will Work Properly or Not, Only Depends upon Many other 
Factors, Especially the Quality of Installation. Anything Not 
Working May Not be the Product Itself. Which Could be 
Power Failure, Insufficient or Wrong Wiring, Not Vacuuming, 
Pipe Bending or Kinking or Leaking, Unit/Parts Dropping, 
Water Damage, and So on. 

If the product, for Some Uncontrolled Factors During 
Transportation and Installation, Doesn't Function Properly 
or Timely Due to Unexpected Failure, You Agree to Have 
the Licensed Installer (HVAC or Electrician), instead of 
Yourself, Call the Manufacturer Technical Support and/or 
Customer Service to Walk through Some Technical Steps 
Together, In Order to Find Out the Failure Reason and 
What Parts Are Needed. All the Effort is To Limit the 
Problems and Make the Unit Work for You As Soon As 
Possible and There Will Be No Extra Charge.

What You Need to Pay Attention to at Installation

Understand to Save on Somethings but Not Everything.

In Order to Ensure Installation Quality and Validate the 
Factory Warranty, You Must Hire a Currently Validly 
Licensed HVAC Technician to Conduct Electricity and 
Refrigerant-Related Installation and Trouble-Shooting Work 
and Follow Related Local/DOE/EPA Codes and Laws.

Contact Your Licensed HVAC Technician to Determine 
What Portion Can be Done Do-it-Yourself (DIY) and Save 
Some Money. DIY Installation Varies Upon Many Factors. 
DIY Installation May Succeed, but May Be Taking Chance 
and/or Running Risks. 

Do Not Pay your Technician in Full, Until at Least 30 Days 
after All Installation is Finished and Unit(s) Work Properly.

What You Need to Know During Installation or 
Operation

Cover the Interconnecting Pipes Before Pulling through 
Structures, to Keep Dust, Debris and Other Foreign 
Substances from Entering and Damaging the Refrigeration 
System.

Vacuum and Conduct Leakage Check for the 
Interconnecting Pipes and Indoor Unit. If There is Any 
Leakage, Need to Find it and Fix It.

Must Make Sure the System is Sealed Tight without Any 
Leakage Potential, before Releasing Refrigerant from the 
Condensing Unit to the Interconnecting Pipes and Indoor 
Unit. 
For Technical Questions, In Order to Help You in a timely 
manner, You Shall Have the Licensed Technician/Installer, 
Instead of Yourself, Check What is Going on before Talking 
to the Sales Distributor and/or Manufacturer Technical 
Support from Your Job Site.
For Product Pricing and Product Availability, You Shall Talk 
with Sales.
For How to Use the Unit or if You Need Any Parts, You Shall 
Read the Manuals or Go Online or Contact Your 
Sales/Customer Service at Distributor, if Not Available, then 
Contact Customer Service/Support at Manufacturer, via the 
Contact Information Printed in the Manual and/or Unit.

What You Need to Know Before Your Contractor/
Technician Finishes the Installation

Witness the Contractor/Technician Checking the System 
Thoroughly and All Functions and Make Sure All Are Good.

Have the Contractor/Technician Sign on the Paperwork.

Don't Pay to the Contractor/Technician in Full Until the 
Whole System Works Smoothly without Any Problem for at 
Least 30 Days.

Tell the Contractor/Technician that They Need to Come to 
the Job Site to Check the System, if There is Anything Not 
Right, Since You Pay to Get Their Service.

Tell the Contractor/Technician that They, not the 
Customer/End User, Will be the One to Talk to the Factory 
Technical Support, Technically, if There is Anything Wrong 
or Abnormal, In Order to Communicate Efficiently and 
Productively.

What You Need to Know about Warranty

If the Units are Installed Properly, Following Manufacturer 
Instructions, by Licensed HVAC Technician, the Units are 
Covered with a Standard Warranty which Covers 5-year 
Compressor and 1-year Other Parts Only. 

In Standard Factory Warranty, 

NO LABOR IS INCLUDED. 

Extended Warranty shall be Purchased at Original Unit 
Ordering, at Extra Cost to Cover More Years of Parts 
and/or Labor. 
Units/Parts Shipping is Ground Only. Expedited Express 
Shipping Shall be Requested in Writing at Extra Cost.

Decision Maker's Own Risks and Is NOT Guaranteed and 
Endorsed by the Manufacturer.

VERY IMPORTANT NOTES TO DEAR CUSTOMERS FOR 

REFRIGERANT RELATED HVAC PRODUCTS, ESPECIALLY THE SPLIT TYPE

Summary of Contents for R410A-SERIES M6

Page 1: ...use Servicer Use this manual for service reference Literature Part No Lit CMUV II 0301 20110210 For TTWC K and L Styles 0 and 3Series 18 to 60K Btu h Cooling and Heat Pump This Manual is Subject to Ch...

Page 2: ...YOUR COMFORT EXPECTATION YOUR HEALTH HANDY MAN OR SMART PEOPLE OR EVEN SOME PROFESSIONALS MAY MAKE MISTAKES SOMEWHERE OR SOMETIMES DON T TRY TO SAVE MONEY BY DIY HAND OVER THE INSTALLATION TO THE CUR...

Page 3: ...kgroundAffects the Contained Unit May Look Slightly Different from What is Shown on the Carton Box or Spec Brochures The Units Were Manufactured Some Time Prior to the Shipping Date Normally The Box i...

Page 4: ...o the compressors and other parts in the unit and even property or personal injuries A Good unit may not work properly or correctly correctly Customer do it yourself DIY installation caused and or wil...

Page 5: ...AT indicator light on off with the operation of theat ON OFF Remote Control Remote Control Holder Note Be sure that there are no obstructions between receiver and remote controller Don t drop or throw...

Page 6: ...not available to this Air conditioner will not be described below Pressing of the unmentioned buttons will not impact the normal use COOL MODE OPERATION PROCEDURE Depending on the difference between...

Page 7: ...ROCEDURE If room temp is lower than set temp compressor runs at HEAT mode If room temp is higher than set temp compressor and outdoor fan motor stop O O SET TEMP should be in range of 61 F to 86 F DRY...

Page 8: ...MAKER AJOY COMPANION A SATISFACTION GUARANTOR HOW TO USE THE REMOTE CONTROL TO OPERATE THE UNIT HOW TO USE THE REMOTE CONTROL TO OPERATE THE UNIT O O Under auto mode operation standard set temp is 77...

Page 9: ...E THE REMOTE CONTROL TO OPERATE THE UNIT HOW TO USE THE REMOTE CONTROL TO OPERATE THE UNIT SLEEP MODE OPERATION PROCEDURE O O As the unit is cooling or drying if SLEEP operation is set SET TEMP would...

Page 10: ...unctions 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 Cut off the power supply main switch Cl...

Page 11: ...BEFORE SERVICE CALL YMGI A COMFORT MAKER AJOY COMPANION A SATISFACTION GUARANTOR YMGI A COMFORT MAKER AJOY COMPANION A SATISFACTION GUARANTOR Do not locate a heater or any other heat source close to...

Page 12: ...y access for maintenance CAUTIONS FOR INSTALLATION WHERE AIR CONDITIONER TROUBLEIS LIABLE TO OCCUR Where there is too much of oil area Where it is acid base area Where there is irregular electrical su...

Page 13: ...IT INSTALLATION OF INDOOR UNIT INSTALLATION DIMENSIONS OF THE INDOOR UNIT When installing the indoor unit you can refer the paper pattern for installation and make sure that the drainage side must be...

Page 14: ...P25 OF 34 P26 OF 34 YMGI A COMFORT MAKER AJOY COMPANION A SATISFACTION GUARANTOR YMGI A COMFORT MAKER AJOY COMPANION A SATISFACTION GUARANTOR REFRIGERANT PIPING WORK DRAIN PIPING WORK...

Page 15: ...P27 OF 34 P28 OF 34 YMGI A COMFORT MAKER AJOY COMPANION A SATISFACTION GUARANTOR YMGI A COMFORT MAKER AJOY COMPANION A SATISFACTION GUARANTOR TEST RUNNING ROUTINE CHECK AFTER INSTALLATION...

Page 16: ...pipe temp sensor malfunction Outdoor ambient temp sensor malfunction Three times F3 Outdoor pipe temp sensor malfunction Four times F4 Outdoor air exhaust temp sensor malfunction Five times F5 E2 PROM...

Page 17: ...he wall bushes and other obstacles enough and safe clear distance required in the manuals Do air intake and discharge grills have enough open area free from any blocking Indoor unit is installed on se...

Page 18: ...of whatever kind direct or indirect special or consequential whether resulting from use or loss of use of the product The original licensed installer or current service contractor should be contacted...

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