MrCool DIY E Star Series Operating instructions

Please read this manual carefully before installation and keep it for future reference.

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

Installation & Owner’s

Manual

DIY® E Star™ Series

Contents

Page 1 mrcool.com

Safety Precautions

Warnings .................................................................................................................................. 3

Cautions ................................................................................................................................... 4

Parts Overview

Parts Diagram ......................................................................................................................... 5

Display Window ...................................................................................................................... 6

Accessories ................................................................................................................................... 7

Operating Instructions

Operating Temperature ......................................................................................................... 9

Manual Operation ................................................................................................................... 9

Care and Maintenance

DISCLAIMER: You are assuming the risk by handling materials containing refrigerants under pressure, that if not

handled properly, can cause bodilyinjury. If you do notfeel comfortable conducting this installation process,

Contents

Indoor Unit Installation ...........15

1. Selecting an installation location .........15

4. Prepare refrigerant piping ....................18

5. Mount indoor unit ..................................18

Outdoor Unit Installation ......

1. Selecting an installation location ......19

2. Install drain joint .................................20

Refrigerant Piping Connections......................23

Electrical Connections .....................................32

Test Run..............................................................35

Page 2

mrcool.com

Electrical and Gas Leak Checks.......................34

Troubleshooting................................................37

.21

1. Prepare Exterior Wall Hole ............................................. 23

2. Unwind Quick Connect® Line Set to necessary length 23

3. Connect Line Set to Indoor Unit ..................................... 24

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

Page 3

Safety Precautions

mrcool.com

Read Before Using

Incorrect usage may cause serious damage or injury.

WARNING

CAUTION

WARNING

DO NOT

unit at all times.

Manual.

Safety Precautions

DISCLAIMER:You are assuming the risk by handling materials containing refrigerants under pressure, that if not

handled properly can cause bodilyinjury. If you do notfeel comfortable conducting this installation process,

The symbols below are used throughout this manual to indicate instructions that should

be followed closely or actions that should be avoided to prevent death, injury, and/or property damage.

This symbol indicates ignoring instructions may cause bodily injury, damage

to the unit, or other surrounding property.

When connecting the refrigerant piping, DO NOT allow any other substances or gases enter

the unit. The presence of other gasses or substances will lower the unit’s capacity, and may

cause abnormally high pressure in the operation cycle. This could cause an explosion and/or

injury.

This symbol indicates ignoring instructions may cause death or serious injury

This symbol indicates that you should NEVER perform the indicated action.

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.

Page 4

Safety Precautions

mrcool.com

Note about Flourinated Gasses:

. All wiring must be properly arranged to ensure that the control board cover can close properly.

If the control board cover is not closed properly, it can lead to corrosion, which can cause the

connection points on the terminal to overheat, which car result in ﬁre and/or electrical shock.

10.

DO NOT

combustible materials.

DO NOT

the unit itself.

If connecting power to ﬁxed wiring, the following must be incorporated within it, in accordance with the wiring

rules; an all-pole disconnection device (which has at least 3 mm of clearances in all poles), and have a leakage

current that may exceed 10mA, the residual current device (RCD) having a rated residual operating current not

exceeding 30mA, and disconnection all must be present.

11.

This appliance is not inteded for use by individuals (including children) with reduced physical, sensory, or mental

capabilities. It is also not intended for use by individuals with a lack of experience or knowledge, unless they have

been given supervision or instruction concerning use of the appliance by a person responsible for their safety.

Children should be supervised at all time to ensure that they do not play with the appliance.

operate your air conditioner in a room where it could be exposed to water, such as a bathroom or laundry

room. Exposure to excessive amounts of water may cause electrical components to short circuit.

Page 5

Safety Precautions

mrcool.com

Electrical

Access

Front Panel

Wall Mounting Plate

Fresh Air Filter

Airinlet rear

Air inlet si e

Air outlet

Air outlet bottom

Outdoor Unit

(Exterior/Condenser)

Air inlet rear

Electrical Access

Air Filter

NOTE: The installation must be performed in accordance with the requirement of local and

national standards. Both power cable and signal cable should be protected by the conduit.

NOTE ON ILLUSTRATIONS

Illustrations in this manual are for explanatory purposes. The actual shape of your unit may vary.

Parts Overview

Indoor Unit

(Interior/Air Handler)

Quick Connect® Line Set

(refrigerant pipe)

Overview - Display

mrcool.com

1. Digital Display:

Displays the Temperature Setting when the air conditioner is operational.

Displays the Room Temperature when in FAN mode.

Displays the self-diagnostic codes.

Displays “ ON” for three seconds when theTimer is ON and/or Fresh, Swing, Turbo, or Silence

feature is activated.

Displays “ OF” for three seconds when the Timer is switched OFF .

Displays “ OF” for three seconds when the Fresh, Swing, Turbo, or Silence feature is canceled.

Displays “ dF” when Defrosting operation is active.

Displays “ cF” when Anti-Cold Air feature is active in HEAT mode (when air temp is low).

Displays “ SC” during Self Clean operation (if feature is available).

Displays “ FP” when Freeze Protection is active, operating under 46.4 °F (8 °C) (if feature is available).

2. Units of Measurement:

Displays “ °C” for Celsius or, “

°F” for Fahrenheit. Default units are “°F” (Fahrenheit) and can be

switched by simultaneously pressing and holding both the up and down buttons on the remote

control.

According to the operation mode (heat/cool, etc.), the Units of Measurement will display in

· Under Cool or Dry mode, it always displays as cool colors (Blue).

· Under Heat mode, it always displays as a warm color (Red).

3. Wireless Mode:

Displays when the wireless control feature is activated.

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.

ECO

Fig. 1.2

Display (on front panel of indoor unit)

Page 7

Accessories

mrcool.com

(Sealant for Wall Sleeve)

(Only for use

when elevated)

Neoprene

Mounting plate

screw

Remote control

Fixing screw for remote

ST2.9 x 10

Dry battery AAA.LR03

Seal

Drain joint

Mounting plate

Optional

Parts

LOOKS LIKE...

The air conditioning system includes the following accessories. Use all of the

installation parts and accessories to install the air conditioner. Improper installation may

Note: Illustrations are for explanatory purposes only - The actual shape and size may vary.

Page 8mrcool.com

connectors of the pipe)

Accessories

(w/ Manual in

Installation & Owner’s

Manual

Remote Control

Manual

Smart Controller Kit

Sound deadening

pads

Quick Connect®

Line Set (refrigerant pipe)

Insulation material

LOOKS LIKE...

Pleaseread this manual carefully before installation and keep it for future reference.

Owner’s Manual

E-Star™ DIY

Series

For more details visit www.MrCool.com

Pleaseread this manual carefully before installation and keep it for future reference.

Remote Control

User Manual

Plastic Wall Sleeve

Drain Pipe

16 ft (5 m)

Cardboard

Mounting Plate

Template

Page 9

Safety Precautions

mrcool.com

CAUTION

Manual Operation

Units are equipped with a button to run emergency operation mode. This button is used for manual

operation in case the remote control fails, or maintenance is necessary. This can be accessed by

opening the front panel.

Manual

Control

Button

(Forced cooling)

NOTE: The unit must be turned oﬀ before operating the

manual control button. If the unit is operational, continue

pressing the manual control button until the unit is oﬀ.

• This button is used for testing purposes only.

Please do not use it unless necessary.

•To restore the remote control operation,

use the remote control directly.

Fig 2.1

Operating Instructions

Room Temperature

Cooling Operation Heating Operation Drying Operation

°C~32°C)

63°F~90°F

(0°C~30°C)

32°F~86°F

°C)

50°F~90°F

(0°C~50°C)

32°F~ F

(For the models with low

ambient cooling system)

C~24°C)

5°F~75°F

(0°C~50°C)

32°F~ F

Outdoor

Temperature

NOTE:

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