MrCool DIY E Star Series Installation & Owner's Manual
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MrCool DIY E Star Series Installation & Owner's Manual

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Please read this manual carefully before installation and keep it for future reference.
Installation & Owner's
Manual
DIY
E Star™ Series
®
Due to updates and constantly improving performance, the information and instructions within this
manual are subject to change without notice. Please visit www.mrcool.com/documentation to
ensure you have the latest version of this manual.
Version Date: 12-30-20

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  • Page 1 E Star™ Series ® Due to updates and constantly improving performance, the information and instructions within this manual are subject to change without notice. Please visit www.mrcool.com/documentation to ensure you have the latest version of this manual. Version Date: 12-30-20...

  • Page 2: Table Of Contents

    Manual Operation ........................Care and Maintenance DISCLAIMER: You are assuming the risk by handling materials containing refrigerants under pressure, that if not handled properly, can cause bodily injury. If you do not feel comfortable conducting this installation process, Page 1 mrcool.com...
  • Page 3 4. Connect Line Set to Outdoor Unit ........ 26 5. Opening Refrigerant Valves of Outdoor Unit ....28 6. Wrap Piping Connections ..........29 7. Connect drain pipe ............30 Electrical Connections ........32 Electrical and Gas Leak Checks.......34 Test Run..............35 Troubleshooting..........37 mrcool.com Page 2...

  • Page 4: Safety Precautions

    Install the unit in a firm, stable location that can support the weight of the unit. If the installation location cannot support the weight of the unit, it could fall and cause serious injury and/or damage. Manual. mrcool.com Page 3...
  • Page 5 Exposure to excessive amounts of water may cause electrical components to short circuit. DO NOT DO NOT Note about Flourinated Gasses: the unit itself. mrcool.com Page 4...

  • Page 6: Parts Overview

    (refrigerant pipe) Fresh Air Filter inlet rear Air inlet si e Electrical Access Air outlet Outdoor Unit (Exterior/Condenser) NOTE ON ILLUSTRATIONS Illustrations in this manual are for explanatory purposes. The actual shape of your unit may vary. mrcool.com Page 5...

  • Page 7: Display Window

    NOTE: A guide for using the infrared remote can be found in the “Remote Control User Manual” which is included in this literature package. 4. Energy Saving Mode: Displays when Energy Saving Feature is active. Not available on units not equipped with this feature. mrcool.com...

  • Page 8: Accessories

    Fixing screw for remote ST2.9 x 10 Optional Parts Dry battery AAA.LR03 Seal (Only for use Drain joint when elevated) (Sealant for Wall Sleeve) Neoprene Note: Illustrations are for explanatory purposes only - The actual shape and size may vary. mrcool.com Page 7...
  • Page 9 Please read this manual carefully before installation and keep it for future reference. Owner’s Manual Installation & Owner’s Manual E-Star™ DIY Series For more details visit www.MrCool.com Please read this manual carefully before installation and keep it for future reference. Remote Control Remote Control User Manual Manual For more details visit www.MrCool.com...

  • Page 10: Operating Instructions

    Manual Control Button (Forced cooling) CAUTION • This button is used for testing purposes only. Please do not use it unless necessary. Fig 2.1 •To restore the remote control operation, use the remote control directly. mrcool.com Page 9...
  • Page 11 10 seconds. NOTE: Open angle of the vertical louver should not be set too small, as it will restrict airflow and reduce COOLING and HEATING performance of the unit. Horizontal Louver Range Fig. 2.4 Page 10 mrcool.com...
  • Page 12 SLEEP Operation While Heating supplement heating with other appliances. Optimal Operation curtains while · heating also helps keep the heat in · · performance. · Doors and function. windows should be kept closed · the unit. · mrcool.com Page 11...
  • Page 13 Do not restart the air conditioner until the unit is completely off. Optimal Operation: Wireless Smart Control Function: Clean Air Filter Reminder (optional): LED button on Replace Air Filter Reminder (optional): LED button Mute Function (optional): Press the LED mrcool.com Page 12...
  • Page 14 Some models are equipped with suspension bars that are required to prop the lid open. Use the filter tabs to lift filter slightly upward and then pull it towards you. Page 13 mrcool.com...
  • Page 15 The outdoor unit also requires periodic maintenance. However, it is highly recommended you contact a qualified service professional to perform this. Please do not attempt to do this on your own. Pre-Season Inspection: Replace Batteries in Remote Control mrcool.com Page 14...

  • Page 16: Indoor Unit Installation

    Strong enough to support the weight of the unit use the provided neoprene (spray foam can be used instead, if you prefer) to pack the space left in hole, in order to seal it and make it airtight. Page 15 mrcool.com...
  • Page 17 When drilling the wall hole, be sure to avoid wires, plumbing, nails, screws, and other provided. Secure the mounting plate to the sensitive components. wall by tightening the screws directly into the anchors. mrcool.com...
  • Page 18 1.25-1.95 in (30-50 mm), depending on the model. (30-50 mm) (30-50 mm) Fig. 4.4 Adjustment range of indoor unit to the left or right Page 17 mrcool.com...

  • Page 19: Prepare Refrigerant Piping

    DRAIN HOSE MUST BE ON BOTTOM The drain hose must be placed at the bottom of the bundle. If it is not, it could cause the drain pan to overflow, which could lead to fire or water damage. Page 18 mrcool.com...

  • Page 20: Outdoor Unit Installation

    Noise from the unit will not disturb others In a location exposed to a excessive amounts of salty air Protected from prolonged periods of In a location that exposes the unit to large exposure to direct sunlight or rain amounts of forced water mrcool.com Page 19...

  • Page 21: Install Drain Joint

    DRAINAGE IN COLD CLIMATES In cold climates, make sure that the drain hose is as vertical as possible to ensure swift water drainage. If water drains too slowly, it bottom of the unit. NOTE: there are two Page 20 mrcool.com...
  • Page 22 Put a washer on each of the expansion bolts, then reinstall the the nuts. chart and illustrations above. WHEN DRILLING INTO CONCRETE, EYE PROTECTION IS RECOMMENDED AT ALL TIMES. holes. Page 21 mrcool.com...
  • Page 23 The wall must be able to material. support at least 4 times the weight of the unit. ATION OF WALL- MOUNTED UNIT If allowed, you can install the wall-mounted unit with rubber gaskets to reduce vibration and noise. Page 22 mrcool.com...

  • Page 24: Refrigerant Piping Connections

    Connect directly to Pack the wall hole with the supplied Neoprene exterior condensor (or Spray Foam can be used) to seal the hole, filling any space that was not taken up by the refrigerant piping and lines. Page 23 mrcool.com...

  • Page 25: Connect Line Set To Indoor Unit

    DO NOT IMPORTANT: • The screw connections may only be tightened using the appropriate open-ended or crescent (adjust- Before you continue, it is essential that you read able-type) wrench. the following instructions fully and carefully. Page 24 mrcool.com...
  • Page 26 Using the two wrenches you used to tighten the connector, once the connector is snug, turn the wrench slightly beyond that point to torque the connector, but do not overtighten it. Repeat the same process for the second line. Page 25 mrcool.com...

  • Page 27: Connect Line Set To Outdoor Unit

    This will also void the warranty. NOTE: Keep excess refrigerant hose coiled. Wrap with protective tape and store behind the condenser in a horizontal position (flat with the ground). mrcool.com Page 26...
  • Page 28 (Refer to the Electrical & Gas Leak Checks section of this manual for more information) . If you do not feel comfortable attempting this, please contact a qualified HVAC technician. Outer Diameter Stamp of Pipe lb·ft (N·m) lb·ft (N·m) inch (millimeter) N·m N·m N·m N·m N·m N·m N·m N·m mrcool.com Page 27...

  • Page 29: Opening Refrigerant Valves Of Outdoor Unit

    For more information about checking for leaks, please refer to the Electrical and Gas Leak Checks section of the manual. mrcool.com Page 28...

  • Page 30: Wrap Piping Connections

    If you would like the exterior piping on the side of your home to have a sleeker, more attractive look and add some extra protection in the process, you can purchase a MRCOOL LineGuard® Line Set Cover. This will encase your refrigerant piping and lines, protecting...

  • Page 31: Connect Drain Pipe

    To prevent unwanted leaks, be sure that the factory installed hollow center rubber plug is that collect water. installed in the unused drain hole. This will prevent proper drainage. Fig. 4.5d Page 30 mrcool.com...
  • Page 32 Do not connect another appliance to the same circuit as the unit. Make sure to properly ground the unit. Do not allow wires to touch or rest against the refrigerant tubing, compressor, or any other moving part within the unit. combustible materials. mrcool.com Page 31...

  • Page 33: Electrical Connections

    This is dangerous and can cause the air conditioning unit to malfunction. Make sure you clearly distinguish the Live (”L”) Wires from the other wires. All wiring must be performed in accordance with the wiring diagrams the images shown here. Page 32 mrcool.com...
  • Page 34 ALL WIRING MUST BE INSTALLED STRICTLY designed with a fuse to provide overcurrent IN ACCORDANCE WITH THE WIRING DIAGRAM LOCATED AS SHOWN IN FIG 7.2. printed on the circuit board. EXAMPLE EXAMPLE Outdoor unit: or metal parts. screw it in place. mrcool.com Page 33...

  • Page 35: Electrical And Gas Leak Checks

    IF ELECTRICAL LEAKAGE IS DETECTED instructions. AFTER PERFORMING GAS LEAK CHECKS points DO NOT leak, replace the valve cover on the outside unit and wrap and insulate the NOTE: piping connections of the indoor unit. mrcool.com Page 34...

  • Page 36: Test Run

    Press the button to scroll through the function properly • – Select lowest possible temperature function properly • – Select highest possible temperature Indoor unit louvers rotate properly Indoor unit responds to remote control mrcool.com Page 35...
  • Page 37 Should you ever need technical support, or just have questions Lift the front panel of the indoor unit, about your MRCOOL product, or any of the and continue to raise it until it clicks other products we offer, please do not into place and becomes hesitate to call us at (270)-366-0457.

  • Page 38: Troubleshooting

    Interference from cell phone towers and remote boosters may cause the unit to malfunction. Operation is erratic, unpredictable or Turn power off at the unit and at the circuit breaker, wait 10 seconds and unresponsive turn power back on Press the ON/O mrcool.com Page 37...
  • Page 39 DO NOT ATTEMPT TO CORRECT · Burning odor THESE ITEMS YOURSELF! · Loud or abnormal sounds · A power fuse or circuit breaker trips frequently · Water or other objects fall into or out of the unit PROFESSIONAL IMMEDIATELY mrcool.com Page 38...
  • Page 40 High temperature protection of compressor top diag- 3 times nosis and solution (only for 9k,12k models) 5 times Inverter compressor drive error Discharge temp sensor USB Smart Controller module not installed general conventions. . Wires and terminals are numbered to match accordingly. mrcool.com Page 39...
  • Page 41 E Star Series ® ™ Consult with the sales agency or manufacturer for details.

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