Midea MP15EMC62 Bedienungsanleitung

SERVICE MANUAL

PTACSERIES

7,000-15,000 BTU/H

1.Precaution

1.1 Safety Precaution

1.2 Warning

2. Dimensions

3. Unit Components

4. Installation Details

4.1 How to Install Unit

4.2 Care and Cleaning

4.3 Other Installations

CONTENTS

5. Functions and Control Panel

6. Refrigerant Cycle Diagram

7. Electronic Function

7.1 Terms and Definitions

7.2 Electric Control Working Environment

7.3 Protection Function

7.4 Operation of Fan Motor

7.5 Operation of Compressor

7.6 DIP Switches and Jumper Selection

8. Operations Characteristics

8.1 Cooling Operation

8.2 Heating Operation

9. Power Connection Options

10. Troubleshooting

10.1Error Display

10.2Troubleshooting

1-3

5-15

5-7

7-8

9-15

16-20

21-25

22-23

24-25

26-27

28-33

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Precaution

1.1

Safety Precaution

To prevent personal injury and/or property damage, follow the instructions below.

Failure to follow correct procedure may result in personal injury, death, and/or property damage. Before

servicing unit, read this service manual.

1.2

Warning

To reduce the risk of fire or explosion, electric shock, personal injury, death, product failure, or

property damage during the installation process, read and follow the warnings listed below.

•

Do not use a defective or underrated circuit breaker. Use a dedicated circuit on thisappliance.

•

For electrical work, contact the dealer/seller, a qualified electrician, or an authorized service center.

Do not disassemble or repair the product.

•

Ground the product.

•

Securely install the panel and cover of control box.

•

Avoid improper wiring or installation.

•

Use the correctly rated breaker and fuse.

•

Do not modify or extend the power cable.

•

Do not install, remove, or reinstall the unitunaccompanied.

•

Be careful when unpacking and installing around exposed sharp edges, especially the casing edges

and the fins on the condenser and evaporator.

•

For installation, always contact the dealer or an authorized service center.

•

Do not install the product on a defective installationstand.

•

Be sure the installation area does not deteriorate with age to avoid the basecollapsing.

•

Do not let the air conditioner run for a long period of time when there is high humidity and a door or

window is left open. Moisture may condense and wet or damagefurniture.

•

Do not pull out or damage the power cord duringoperation.

•

Do not place anything on the power cable.

•

Do not plug or unplug the power plug during operation.

•

Do not touch/operate the product with wet hands.

•

Do not place a heater or other appliance near the powercable.

•

Do not allow water get into the electric parts.

•

Do not store or use flammable gas near theproduct.

•

Do not use the product in a confined space for a long period of time to avoid oxygendeficiency.

•

If a flammable gas leaks, turn off the gas and open a window for ventilation before turning this

product on. Do not use the telephone or turn switches on oroff.

•

If strange sounds or smoke come from product, turn the breaker off or disconnect frompower

INSTALLATION

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supply.

●

Stop operation and close window during a storm. If possible, remove product fromwindow.

●

Do not open the product’s inlet grill while in operation. If the unit has an electrostatic filter, do not

touch it.

●

Avoid having water enter the unit.

●

If the product becomes soaked, flooded, or submerged in water, contact an authorized service

center.

●

Ventilate the product from time to time when operating it near a stove or otherappliance.

●

Turn themain power off when cleaning or troubleshooting the product.

●

If the product will not be in use for a long period of time, disconnect it from the power supply or turn

off the breaker. An unintended operation may occur.

●

Ensure that no one can step on or fall onto the outdoorunit.

To reduce the risk of injury or property damage after installing product, read and follow the

warnings listed below.

●

Always check for gas (refrigerant) leakage after installing or repairing. Low refrigerant levels may

cause product failure.

●

Install drain hose to ensure water drains away properly. A bad connection may cause water

leakage.

●

Keep unit levelled when installing to avoid vibration or waterleakage.

●

Do not install product where noise or hot air from the outdoor unit can bother others or damage

property.

●

In order to avoid personal injury, use two or more people to lift and transportproduct.

●

Do not install the product where it will be directly exposed to ocean breeze (salt spray). It may

cause corrosion, which, particularly on the condenser and evaporator fins, could cause product

malfunction or inefficient operation.

To reduce the risk of fire or explosion, electric shock, personal injury, health issues, product

failure, or property damage while the product is in operation, read and follow the warnings

listed below.

●

Do not sit in the draft or expose skin directly to cool air for long periods oftime.

●

Do not use unit for other purposes, such as preserving foods, works of art, etc., not intended for this

product. It is a consumer air conditioner, not a refrigeratingsystem.

●

Do not block the inlet or outlet ofairflow.

●

Use a soft cloth to clean. Do not use harsh detergents, solvents,etc.

●

Do not touch the metal parts of the product when removing the air filter. They aresharp.

●

Always insert the filter securely. Clean the filter every two weeks or, if necessary, more since a dirty

filter reduces product efficiency and could cause product malfunction or damage.

●

Do not insert hands or other object through air inlet or outlet. There are sharp, moving partsinside.

CAUTION

OPERATIONAL

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●

Do not drink the water drained from the product. It isunsanitary.

●

Use a firm stool or ladder when cleaning the product.

●

Replace all batteries in the remote control with new ones. Do not mix old and newbatteries.

●

Do not recharge or disassemble the batteries or dispose of them in afire.

●

If the liquid from the batteries touches exposed skin and/or gets on clothing, wash with clean water.

Do not use the remote if the batteries haveleaked.

Dimensions

W x H x D (inches)

Dimension 1

No sleeve, rear grille, or rear net

42 x 15.9 x 20.9

Dimension 2

Includes sleeve with no rear grille and rear net

42 x 16 x 22.8

Dimension 3

Includes sleeve and rear net

42 x 16 x 23.1

Dimension 4

Includes sleeve, rear net, rear grille

42 x 16 x 23.9

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Unit Components

Decomposition

Figure

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Installation Details

4.1

How to Install Unit

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PREPARATION OF SLEEVE ASSEMBLY

(optional)

•For an existing sleeve, measure the wallsleeve

dimensions.

•Install the new air conditioner according to

these installation instructions to achieve the

best performance. All wall sleeves used to

mount the new air conditioner must be in good

structural condition and have a rear grille that

securely attaches to the sleeve or the overhang

of the sleeve to secure the new airconditioner.

•To avoid vibration and noise, make sure theunit

is installed securely and firmly.

•When installing the sleeve, make certain there

is nothing within 20 inches of the back that

would interfere with heat radiation and exhaust

airflow. (See Fig. 2)

Fig. 2

•Refer to the installation instruction of sleeve

assembly for more details.

UNIT INSTALLATION

•Carefully remove shipping tapesfrom thefront

panel. (See Fig.3)

•Remove the front panel (see Fig. 4) by pulling

out the bottom to release the tabs (A). Then lift

up (B).

•Remove the shipping screw from the vent door.

(See Fig.5)

•Rotatetheventcontrol levertoeitheropenor

closethevent door. (SeeFig. 6)

Dimensions of air conditioner

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UNIT INSTALLATION (CONTINUED)

•

Keep unit levelled when lifting and sliding it

into wall sleeve. Once it is firmly against front

of wall sleeve, secure with 4 screws and

washers (supplied in the Sleeve Assembly)

through the unit overhang holes. (See Fig. 7

and Fig. 8)

•

Reinstall front panel. (See Fig. 9) Place tabs

over top rail (A). Push inward at bottom until

panel snaps into place (B).

•

If unit is installed where condensation

drainage can drip in an undesirable location,

an accessory drain kitshould be installed and

connected to drain system.

4.2

Care and Cleaning

FRONT PANEL AND CASE

Turn unit off and disconnect from power supply.

To clean, use water and a mild detergent. Do not

use bleach or abrasive materials. Some

commercial cleaners may damage the plastic

parts.

OUTDOOR COIL

Coil on outdoor side of unit should be checked

regularly. Unit will need to be removed to inspect

dirt build-up that will occur on the inside of the

coil. If clogged with dirt or soot, coil should be

professionally cleaned. Clean inside and outside

of outdoor coils regularly.

NOTE: Never use a high-pressure spray on coil.

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•The most important thing do to in order to

maintain unit efficiency is to clean the filters

once every two weeks as required.

•Clogged filters reduce cooling, heating and

airflow.

•Keeping filters clean will:

oDecrease cost of operation,

oSave energy,

oPrevent clogged indoor coil, and

oReduce risk of premature componentfailure.

VENT DOOR FILTER

IMPORTANT: Turn unit off

before cleaning

•If the vent door is open, gaining access

requires removing the unit from the wall

sleeve. Clean the vent filter twice a year or as

required.

•Make sure to remove the shipping screw from

the vent door. (See Fig.5)

•Rotate the vent control lever to open the vent

door. (See Fig.6)

•Remove the four screws from the vent door

filter. (See Fig.12)

•Pull out the vent door steel wire from the hole

of the vent door, then take off the vent door

and filter. (See Fig.12)

•Clean the filter. Dry thoroughly before

replacing.

•Replace the vent door, reinstall the four

screws.

•Reinsert the vent door steel wire.

•To clean air filters:

oVacuum off heavy soil,

oRun water through filter, and

oDry thoroughly before replacing.

CAUTION

UNIT DAMAGE HAZARD

Failureto followthis cautionmayresult in equipment

damage or improper operation.

Airflow restriction may cause damage to the unit.

CAUTION

UNIT DAMAGE HAZARD

Failure to follow this caution may result in

equipment damage or improper operation.

Do not operate unit without filters in place. If a

filter becomes torn or damaged, it should be

replaced immediately.

Operating without filters or with damaged ones

will allow dirt and dust to reach indoor coil and

will reduce cooling, heating, airflow, and

efficiency of unit. Airflow restriction may cause

damage to unit.

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