YMGI VRFI-07EW-D2B(55)5 Installer'S Instruction & User'S Manual Download Page 2

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TABLE OF CONTENTS

Introduction ..............................................................................................

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Note From YMGI

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Must Read

............................................................................................................... 5

Installing Technician/Contractor's Responsibilities ......................................................................................... 7

Limited Product Warranty ........................................................................................................................ 8

Limited Product Warranty Registration Card ........................................................................................... 9

Why Does YMGI Group Require Installation and Service to Be Performed

100% By Currently Licensed or Certified HVAC Technicians/Contractors ............................................. 10

Suggestions to Aid You in Hiring an HVAC Contractor .......................................................................... 10

Safety Precautions ................................................................................................................................ 12

Indoor Unit Diagram

................................................................................................................................. 13

Specification Sheet ............................................................................................................................... 14

Unit Dimensions, Mounting Bracket Clearance ..................................................................................... 15

Wiring Diagrams ................................................................................................................................... 16

System Layout & Installation Clearance ................................................................................................ 18

Installation-Location Selections ............................................................................................................. 22

Installation-Indoor Units ......................................................................................................................... 24

Connect Refrigerant Pipes Between Indoor and Outdoor Units ............................................................. 26

Piping Guide ......................................................................................................................................... 28

Remote Control-Button Name & Functions ........................................................................................... 28

Operation of Remote Control ............................................................................................................... 172

Operation in an Emergency ................................................................................................................... 18

Cleaning and Care ................................................................................................................................. 18

Protection Signs and Error Codes ........................................................................................................ 186

Checking Units Prior To Contacting Your Technician ........................................................................... 187

Exploded View and Spare Parts List .................................................................................................... 180

User Notes and Installation/Service/Maintenance Notes ...................................................................... 186

Summary of Contents for VRFI-07EW-D2B(55)5

Page 1: ...des and all related documents manuals provided by YMGI Failure to follow and adhere to all codes and documentation can cause damage to equipment property even personal injury Installer Must be current...

Page 2: ...Unit Diagram 13 Specification Sheet 14 Unit Dimensions Mounting Bracket Clearance 15 Wiring Diagrams 16 Recommended Tools for Installation 17 System Layout Installation Clearance 18 Installation Locat...

Page 3: ...nsible management of refrigerants HVAC R technicians must know the applicable laws and follow them Disposal Notice Do not dispose this product or its components as unsorted municipal waste as they con...

Page 4: ...void personal injury or property damage do not disassemble the unit yourself If disassembly is required to check the unit contact your authorized system installer or HVAC professional as they have the...

Page 5: ...and licensed personnel to install Reading and following YMGI Group recommendations and requirements contained in the following pages and other documents is the first step to help ensure a smooth insta...

Page 6: ...ures at time of installation 2 Not installing an oil P trap in the copper suction line where the indoor unit is located 18 feet or more below the outdoor unit 3 Cross piping and or cross wiring of any...

Page 7: ...d wiring cable sets to keep from cross piping or cross wiring in multiple zone installations or where pipes for different single zone systems are close to one another 13 Secure the wiring cables that...

Page 8: ...I Group whichever comes first This is a standard limited liability warranty and DOES NOT cover the following Any damage or repairs to properties or persons as an incident of or consequence of improper...

Page 9: ...ip the parts ASAP Expedited shipping is available at the customer s expense 4 Replacement parts that have an approved warranty registration are to be warranted for the remainder of the 1 year on parts...

Page 10: ...ed certified HVAC installation professional to prevent any unexpected charges because of unethical business practices 5 Check their references verify they provide professional service for their custom...

Page 11: ...door units room temperature too low keeping the temperature difference between indoor and outdoor unit within 41 5 18 YMGI Group recommends that only properly trained and authorized personnel be allow...

Page 12: ...f all circuits prior to inspecting or servicing the unit Inspecting and servicing the unit while the power supply is connected and the circuits are switched on could cause an electrical shock or fire...

Page 13: ...Operating Condition Indoor Side Condition Outdoor Side Condition Dry Bulb Temp C F Wet Bulb Temp C F Dry Bulb Temp C F Wet Bulb Temp C F Rated Cooling 27 80 6 19 66 2 35 95 24 75 2 Rated Heating 20 6...

Page 14: ...iquid Connecting Pipe Dia In 1 4 1 4 1 4 1 4 3 8 Gas Connecting Pipe Dia In 3 8 3 8 3 8 3 8 5 8 Drain Pipe External Dia In 11 16 11 16 11 16 11 16 1 1 16 Drain Pipe Thickness In 1 16 1 16 1 16 1 16 1...

Page 15: ...ay appear differently than what is the above illustration Electrical Installation Model Power Supply MCA A MOP A VRFI 07EW D2B 55 5 208 230V 1ph 60Hz 1 15 VRFI 09EW D2B 55 5 1 15 VRFI 12EW D2B 55 5 1...

Page 16: ...Knife Scissors Goggled Glasses Mask Gloves Ladder 2 Refrigeration Related Work Flat Surface Wrench Two Flare Nut Tool Set Hex Head Key Set Torch for AC Application Heat Absorption Flux Nitrogen Soap...

Page 17: ...SYSTEM LAYOUT INSTALLATION CLEARANCE...

Page 18: ...SYSTEM LAYOUT INSTALLATION CLEARANCE...

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Page 21: ...t for the wall before or during construction and before installation Read installation instructions for all units thoroughly Ask rep distributor YMGI Group anything you are not sure about Get your too...

Page 22: ...ngth ft Max Length ft Max Rise Height ft Max Drop Height ft 07K 12K 15 50 20 28 18K 24K 15 75 25 35 30K 36K 15 100 35 50 INSTALL THE WALL MOUNTING PLATE Prior to installing the mounting plate check th...

Page 23: ...he bottom side facing the front of indoor unit of the indoor unit snap off portion 2 on plastic casing If pipes need to come out of the left side facing the front of indoor unit of the indoor unit sna...

Page 24: ...ecure the connections HANG INDOOR UNIT Run copper set wire cables drain hose through the wall hole and hang the indoor unit onto the mounting plate place the hook on the mounting plate into the hangin...

Page 25: ...1 2 24K 1 4 5 8 1 4 5 8 3 8 5 8 Running Interconnecting Refrigerant Lines Use clean refrigeration grade copper pipe only Keep the copper lines from kinking and transmitting any noise to walls cabinet...

Page 26: ...Pipes Sweat Connection In this case wrap a wet rag around the pipe to protect the valves or other components from being overheated When using flux rub the tube surface using steel wool to any oxidatio...

Page 27: ...d shot pipes REMOTE CONTROL BUTTON NAME AND FUNCTIONS NOTE 1 This is a general use remote control that can be used for numerous air conditioning model numbers There may be some buttons on the remote t...

Page 28: ...ear from the remote screen 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 pres...

Page 29: ...mperature When the TEMP button is pushed twice the indoor unit will display the room temperature for approximately 5 seconds before going back to the set temp SWITCH BETWEEN F AND C The remote default...

Page 30: ...e 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 I FEEL stars appear the remote will send a signal f...

Page 31: ...frost mode is enacted the indoor unit will stop running and display an H1 code Once the defrost cycle is finished and the outdoor coil is defrosted the indoor unit will start to run again in the mode...

Page 32: ...l enter AUTO RUN mode The microcomputer will acquire the room temperature to select the COOL HEAT FAN mode automatically to obtain the correct setting Stopping When the unit is running press the ON OF...

Page 33: ...wash the panel or it could cause deformation or discoloration Install front panel Place two supports of the front panel into the slots along the direction of arrows to cover and clasp the front panel...

Page 34: ...disconnecting electrical power disconnect switch 2 Clean filter and unit 3 Cover the unit to keep dust or moisture out of the unit PROTECTION AND ERROR CODES Error Code Content Error Code Content Erro...

Page 35: ...the remote control pointing at sunshine or bright lights 3 Is the remote control signal blocked 4 Is the remote control too far away from indoor unit 5 Is the fuse on indoor unit blown 6 Is the indoor...

Page 36: ...llowing situations 1 Harsh sound is heard 2 Bad odor is detected 3 Water is leaking out of the indoor unit 4 Circuit breaker trips or fuse is blown a few times 5 Wires or connections are very hot 6 Oi...

Page 37: ...Help Did You Ask YMGI Tech for Help USER NOTES Put down whatever questions you have or problems you have seen as a unit history No Date Installation Company Name Technician Name Phone HCAC License Job...

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