Midea Ducted Series User Manual

High static pressure duct type air conditioner

Hide thumbs

Table Of Contents

Quick Links

Download this manual

HIGH STATIC PRESSURE DUCT TYPE AIR CONDITIONER

USER MANUAL

MODEL NUMBER:

DUCMI105IHB

DUCMI125IHB

DUCMI140IHB

Warning notices: Before using this product, please read this manual carefully and keep it for future reference.

The design and speciﬁcations are subject to change without prior notice for product improvement.

Consult with your dealer or manufacturer for details.

The diagram above is just for reference. Please take the appearance of the actual product as the standard.

Table of Contents

Need help?

Do you have a question about the Ducted Series and is the answer not in the manual?

Questions and answers

Summary of Contents for Midea Ducted Series

Page 1 HIGH STATIC PRESSURE DUCT TYPE AIR CONDITIONER USER MANUAL MODEL NUMBER: DUCMI105IHB DUCMI125IHB DUCMI140IHB Warning notices: Before using this product, please read this manual carefully and keep it for future reference. The design and speciﬁcations are subject to change without prior notice for product improvement. Consult with your dealer or manufacturer for details.
Page 3: Table Of Contents
THANK YOU LETTER Thank you for choosing Midea! Before using your new Midea product, please read this manual thoroughly to ensure that you know how to operate the features and functions that your new appliance o ers in a safe way.
Page 4: Safety Precautions
SAFETY PRECAUTIONS It’s really important you read Safety Precautions Before Operation and Installation Incorrect installation due to ignoring instructions can cause serious damage or injury. The seriousness of potential damage or injuries is classiﬁed as either a WARNING or CAUTION. Explanation of Symbols WARNING The signal word indicates a hazard with a medium level of risk...
Page 5: Electrical Warnings
WARNING FOR PRODUCT USE If an abnormal situation arises (like a burning smell), immediately turn o the unit ● and disconnect the power. Call your dealer for instructions to avoid electric shock, ﬁre or injury. Do not insert ﬁngers, rods or other objects into the air inlet or outlet. This may ●...
Page 6 TAKE NOTE OF FUSE SPECIFICATIONS The air conditioner’s circuit board (PCB) is designed with a fuse to provide overcurrent protection. The speciﬁcations of the fuse are printed on the circuit board ,such as : T5A/250VAC, T10A/250VAC, etc. T20A/250VAC(<=24000Btu/h units), T30A/250VAC(>24000Btu/h units) NOTE: For the units with R32 or R290 refrigerant , only the blast-proof ceramic fuse can be used.
Page 7 CLEANING AND MAINTENANCE WARNINGS Turn o the device and disconnect the power before cleaning. Failure to do so ● can cause electrical shock. Do not clean the air conditioner with excessive amounts of water. ● Do not clean the air conditioner with combustible cleaning agents. Combustible ●...
Page 8: Specifications
SPECIFICATIONS DUCMI105IHB DUCMI125IHB DUCMI140IHB Product Model UCMI105OB UCMI125OB UCMI140OB 220-240V~ 50Hz, 1Ph Power source 10.0kW 12.0kW 14.0kW Cooling capacity 11.0kW 13.0kW 14.5kW Heating capacity 21.0A 31.0A 31.0A Rated current 4600W 7000W 7000W Rated power input Outdoor unit IP24 IPX4 resistance class...
Page 9: Product Overview
PRODUCT OVERVIEW NOTE ON ILLUSTRATIONS: Illustrations in this manual are for explanatory purposes. The actual shape of your indoor unit may be slightly di erent. The actual shape shall prevail. Air outlet Air inlet Connecting pipe Air ﬁlter(optional) Outdoor Unit (A) Electric control cabinet -inside air-in grill Drain pipe...
Page 10: Product Installation
PRODUCT INSTALLATION ACCESSORIES The air conditioning system comes with the following accessories. Use all of the installation parts and accessories to install the air conditioner. Improper installation may result in water leakage, electrical shock and ﬁre, or cause the equipment to fail. The items are not included with the air conditioner must be purchased separately.
Page 11: Installation Summary - Indoor Unit
INSTALLATION SUMMARY - INDOOR UNIT Install the indoor unit Install the drainpipe Install the outdoor unit L(L1) N(L2) Evacuate the Connect the wires Connect the refrigerant refrigeration system pipes Perform a test run...
Page 12: Install Your Indoor Unit
Install Your Indoor Unit Select installation location NOTE Before installing the indoor unit, you must choose an appropriate location. The following are standards that will help you choose an appropriate location for the unit. Proper installation locations meet the following standards: Enough room exists for the There is no direct radiation Enough room exists for...
Page 13 Conﬁrm sizes installation Installation place The distance between the mounted indoor unit should meet the speciﬁcations illlustrated in the following diagram. Strong and durable ceiling >0.8in(2cm) Indoor unit Left Right side side >0.8in(2cm) Service access Ceiling >7.9in(20cm) >11.8in(30cm) Floor Maintenance space ≥7.9in(20cm) ≥11.8in(30cm) Air outlet...
Page 14 Hang indoor unit Please refer to the following diagrams to locate the four positioning screw bolt holes on the ceiling. Be sure to mark the paces where you will drill ceiling hook holes. This unit has been installed air intake pipe ﬂange, but there is no air ﬁlter.
Page 15 Applicable to 30~60K series only Number Name Description Gas pipe connection Ø15.9 (30~36K units) ; Ø19 or Ø22 (48~60K units) Liquid pipe connection Ø9.5 Drain pipe connection OD Ø25 ID Ø20 Using drain pump (optional) Drain pipe connection Power supply connection Air discharge ﬂange The size of installation for indoor unit following , This unit has installed with air ﬁlter.
Page 16 Wooden structure installation 2. The installation of hanging screw bolts. Cut o the roof beam. Place the wood mounting across the roof Strengthen the area at which the cut was beam, then install the hanging screw bolts. made and consolidate the roof beam. 3.
Page 17 Step 3: Installing the main body Motor maintain: Installing the dust proof net and canvas air There are three methods: passage Type 1: 1. Install the dust proof net according to the Remove the front installation manual; side plate from the top. 2.
Page 18 Step 6: Indoor Drainpipe Installation Drill wall hole for pipe connection Install the drain pipe as illustrated in the Figure. 1. Determine the location of the wall hole Cover the drainpipe with heat insulation to prevent based on the location of the outdoor unit. condensation and leakage.
Page 19 Install Your Outdoor Unit Select installation location NOTE : PRIOR TO INSTALLATION Before installing the outdoor unit, you must choose an appropriate location. The following are standards that will help you choose an appropriate location for the unit. Proper installation locations meet the following standards: 60cm（24"）...
Page 20 Install drain joint(Heat pump unit only) Base pan hole of outdoor unit Step 1： Find out the base pan hole of outdoor unit. Seal Step 2： Fit the rubber seal on the end of the drain joint that will connect to the ●...
Page 21: Anchor Outdoor Unit
Anchor Outdoor Unit WARNING WHEN DRILLING INTO CONCRETE, EYE PROTECTION IS RECOMMENDED AT ALL TIME. The outdoor unit can be anchored to the ground or to a wall-mounted bracket with bolt(M10). Prepare ● the installation base of the unit according to the dimensions below. The following is a list of di erent outdoor unit sizes and the distance between their mounting feet.
Page 22: Refrigerant Piping Connection
Refrigerant Piping Connection When connecting refrigerant piping, DO NOT let substances or gases other than the speciﬁed refrigerant enter the unit. The presence of other gases or substances will lower the unit’s capacity, and can cause abnormally high pressure in the refrigeration cycle. This can cause explosion and injury.
Page 23: Connection Instructions-Refrigerant Piping
Connection Instructions—Refrigerant Piping CAUTION • The branching pipe must be installed horizontally. An angle of more than 10° may cause malfunction. DO NOT install the connecting pipe until both indoor and outdoor units have been installed. • • Insulate both the gas and liquid piping to prevent condensation. Step 1: Cut pipes Step 2: Remove burrs When preparing refrigerant pipes, take...
Page 24: Step 4: Connect Pipes
Outdoor unit Liquid side piping (Smaller diameter) • Clamp ﬂare from on the end of the pipe. The end of the pipe must extend beyond the ﬂare form. (Bigger Flare form Pipe • Place ﬂaring tool onto the form. Torque wrench •...
Page 25: Wiring Precautions
Wiring precautions WARNING BEFORE PERFORMING ANY ELECTRICAL WORK, READ THESE WARNINGS. All wiring must comply with local and national Do not let wires touch or rest against ● ● electrical codes, regulations and must be installed refrigerant tubing, the compressor, or any by a licensed electrician.
Page 26: Outdoor Unit Wiring
NOTE ON AIR SWITCH When the maximum current of the air conditioner is more than 16A, an air switch or leakage protection switch with protective device shall be used(purchased seperately). When the maximum current of the air conditioner is less than 16A, the power cord of air conditioner shall be equipped with plug (purchased seperately).
Page 27 Minimum Cross-Sectional Area of 4. Clamp down the cable with the cable clamp. Power and Signal Cables (For reference) 5. Insulate unused wires with electrical tape. Keep them away from any electrical or metal Rated Current of Nominal Cross-Sectional parts. Area (mm ) Appliance (A) 6.
Page 28: Indoor Unit Wiring
INDOOR UNIT WIRING 1. Prepare the cable for connection. CAUTION a. Using wire strippers, strip the rubber jacket from both ends of the signal cable to reveal While connecting the wires, please strictly • about 15cm (5.9”) of the wire. follow the wiring diagram.
Page 29 Power Speciﬁcations(Not applicable for North America) NOTE Electric auxiliary heating type circuit breaker/fuse need to add more than 10 A. The circuit breaker/fuse speciﬁcation shall be subject to the unit nameplate. (applicable for Australian model) Indoor Power Supply Speciﬁcations MODEL(Btu/h) ≤18K 19K~24K 25K~36K...
Page 30 Independent Power Supply Speciﬁcations MODEL(Btu/h) 19K~24K 25K~36K 37K~48K 49K~60K ≤18K PHASE 1 Phase 1 Phase 1 Phase 1 Phase 1 Phase POWER (indoor) 208-240V 208-240V 208-240V 208-240V 208-240V VOLT CIRCUIT BREAKER/ 15/10 15/10 15/10 15/10 15/10 FUSE(A) PHASE 1 Phase 1 Phase 1 Phase 1 Phase...
Page 31: Air Evacuation
AIR EVACUATION NOTICE When opening valve stems, turn the hexagonal wrench until it hits against the stopper. Do not try to force the valve to open further. Close the Low Pressure side of the manifold Preparations and precautions gauge, and turn o the vacuum pump. Wait for 5 minutes, then check that there Air and foreign matter in the refrigerant circuit has been no change in system pressure.
Page 32: Note On Adding Refrigerant
NOTE ON ADDING REFRIGERANT CAUTION DO NOT mix refrigerant types. Some systems require additional charging depending on pipe lengths. The standard pipe length varies according to local regulations. For example, in North America, the standard pipe length is 7.5m (25’). In other areas, the standard pipe length is 5m (16‘).
Page 33: Test Run
TEST RUN CAUTION Failure to perform the test run may result in unit damage, property damage, or personal injury. f. Check to see that the drainage system is Before test run unimpeded and draining smoothly. g. Ensure there is no vibration or abnormal A test run must be performed after the entire noise during operation.
Page 34: Specifications And Features
SPECIFICATIONS AND FEATURES Indoor unit NOTE: Di erent models have di erent display panel. Not all the indicators describing below are available for the air conditioner you purchased. Please check the indoor display panel of the unit you purchased. Illustrations in this manual are for explanatory purposes. The actual shape of your indoor unit may be slightly di erent.
Page 35: Display Panel
Display panel Timer Infrared indicator receiver Manual LED display button Operation Alarm indicator indicator PRE-DEF (pre-heating/defrost) indicator • MANUAL button : This button selects the mode in the following order: AUTO, FORCED COOL, OFF. FORCED COOL mode : In FORCED COOL mode, the Operation light ﬂashes. The system will then turn to AUTO after it has cooled with a high wind speed for 30 minutes.
Page 36: Fixed-Speed Type
Fixed-speed Type HEAT mode DRY mode COOL mode 0°C-30°C Room 17°C-32°C (62°F-90°F) 10°C-32°C (50°F-90°F) Temperature (32°F-86°F) 18°C-43°C (64°F-109°F) 11°C-43°C (52°F-109°F) -7°C-43°C (19°F-109°F) -7°C-24°C Outdoor 18°C-43°C (64°F-109°F) (For models with low-temp cooling systems) Temperature (19°F-75°F) 18°C-52°C (64°F-126°F) 18°C-52°C (64°F-126°F) (For special tropical models) (For special tropical models) NOTE: Room relative humidity less than 80%.
Page 37: Wire Remote Controller
WIRE REMOTE CONTROLLER NOTE the wired remote controller you purchased (depend on model). The actual shape shall prevail. Read this description carefully before installing or operating your wired remote controller. KJR-120M(X4)/BGEF, KJR-120M(X4W)/BGEF, KJR-120M(X5)/BGEF, Model KJR-120M(X5W)/BGEF, KJR-120M(X6)/BGEF, KJR-120M(X6W)/BGEF, KJR-120M1(X4)/BGEF 1. Safety precaution WARNING Please entrust the distributor or professionals to install the unit.
Page 38 BATTERY WARNING KEEP OUT OF REACH OF CHILDREN. Swallowing can lead to chemical burns, perforation of soft tissue, and death. Severe burns can occur within 2 hours of ingestion. Seek medical attention immediately. WARNING INGESTION HAZARD: This product contains a button cell or coin battery. DEATH or serious injury can occur if ingested.
Page 39 For appliances which contain coin or lithium batteries: BATTERY WARNING KEEP OUT OF REACH OF CHILDREN. Swallowing can lead to chemical burns, perforation of soft tissue, and death. Severe burns can occur within 2 hours of ingestion. Seek medical attention immediately. For appliances which contain button or non-lithium batteries.
Page 40: Installation Accessory
2. Installation accessory Select the installation location Don’t install at the place where cover with heavy oil, vapor or sulfureted gas, otherwise, this product would be deformed that would lead to system malfunction. Preparation before installation 1. Please confirm that all the following parts you have been supply. Name Qty.
Page 41 2.Remove the upper part of wired controller Insert a slot screwdriver into the slots in the Buckling lower part of the wired controller (2 places), Back cover and remove the upper part of the wire controller. position (Fig.3-2) NOTE: Do not pry up and down, you can only rotate the screwdriver.
Page 42: Battery Installation
4. Battery installation Fig 3-5 Please contact professional technical after-sales service if the battery needs to be replaced. • Put the battery into the installationsite and make sure the positive side of the battery is in accordance • with the positive side of installationsite. (See Fig.3-5) Please set the time corrected on the first time operation.
Page 43 Model A Connect the wire from the display panel of the indoor unit to a connecting cable. Then connect the other side of the connecting cable to the remote control. Mainboard 4-core wire The connective wires group shielded wire(some units) Fig 3-7 Applicable to Light Commercial air conditioner Adaptor board...
Page 44 The main/secondary wired controller can be used to enable two wired controllers to control one unit, and the wired controllers connect to the unit HA and HB ports through the HA and HB port on the controller. There is no polarity between HA and HB. SeeFig. 3-10 Indoor Unit HA HB Wired Controller 1...
Page 45: Specification
6. Reattach the upper part of the wired controller After adjusting the upper case and then buckle the upper case; avoid clamping the wiring during installation. (Fig 3-13) All the pictures in this manual are for explanation purpose only. Your wire controller may be slightly different .The actual shape shall prevail.
Page 46 6. Name on the LCD of the wired controller °C / °F display MODE display Temperature display Room temperature display Displays the current mode,including: Relative humidity display Lock display Wireless control feature display Follow me feature display Breeze away display Delay off display Turbo feature display ECO feature display...
Page 47: Preparatory Operation
8. Preparatory operation Set the current day and time Press the Timer button for 2 seconds or more. The timer display will flash. Press the button “ ” or “ ” to set the date. The selected date will flash. The date setting is finished and the time setting is prepared after pressing Timer button or CONFIRM button or there is no pressing button in 10 seconds.
Page 48: Room Temperature Setting
9. Operation To set the operation mode Operation mode setting(Heat mode is invalid for cool only type unit) Press this button to select the operation mode: If the indoor unit has Electric heating(Emergent heating) feature, press this button to select the operation mode: When the mode is selected as emergency heating (or electric heating) mode, is displayed, the fan speed is Auto.
Page 49 Swing function(For the units with horizontal & vertical swing features only) 1 Up-Down swing Press the SWING button to start up-down swing function. The “ ” mark appears. Press it again to stop. 2 Left-Right swing Press the Swing button for 2 seconds to start Left-Right swing function. The “ ”...
Page 50 Intelligent eye display 1.This function is valid in any mode of power-on state. 2.When the indoor unit sending wire controller has the smart eye function, press the function key to select the smart eye icon, press the OK key to turn on the smart eye, and light up the smart eye icon at the same time;...
Page 51: Timer Functions
10. Timer functions WEEKLY timer Use this timer function to set operating times for each day of the week. On timer Use this timer function to start air conditioner operation. The timer operatesand air conditioner operation starts after the time has passed. Off timer Use this timer function to stop air conditioner operation.
Page 52: Weekly Timer Setting
11. Weekly Timer 1 1. Weekly timer setting Press the Timer button to select the and then press the Confirm button to confirm. 2. Day of the week setting Press the button “ ” or “ ” to select the day of the week and then press the Confirm button to confirm the setting.
Page 53: Weekly Timer Operation
WEEKLY timer operation To activate WEEKLY TIMER operation Press the Timer button while is displayed on the LCD. To deactivate WEEKLY TIMER operation Press the Timer button while is disappear from the LCD. To turn off the air conditioner during the weekly timer 1.
Page 54: Delay Function
DELAY function During the weekly timer, press the FUNC. button , select the delay function and press the Confirm button,display" " " "" " and wait 3 seconds to confirm. When the delay function is activated,the “ ”mark appears. The delay function can only be enabled in Weekly Timer 1 and Weekly Timer 2. ex.
Page 55: Time Setting
2. Day of the week setting Press “ ” or “ ” to select the day of the week and then press CONFIRM. 3. ON timer setting of timer setting 1 Press “ ” or “ ” to select the setting time. The setting time, mode, temperature and fan speed appear on the LCD.
Page 56 WEEKLY timer operation To start Press Timer to select the , and then the timer starts automatically. To cancel Press the Power buttons for 2 seconds to cancel the timer mode. The timer mode can also be canceled by changing the timer mode using Timer. To set the DAY OFF (for a holiday) After setting the weekly timer, press CONFIRM.
Page 57: Fault Alarm Handing
Press COPY to confirm. ex. Copy the setting of Monday to Wednesday Other days can be copied by repeating steps 4 and 5. Press CONFIRM to confirm the settings. Press BACK to revert to the weekly timer. Delete the time scale in one day. During the weekly timer setting, press CONFIRM.
Page 58: Technical Indication And Requirement
14.Technical indication and requirement EMC and EMI comply with the CE certification requirements. 15.Queries and settings When the air conditioning unit is switch machine, Long press “COPY” for 3 seconds , first display P:00, if connected to an indoor unit, display P:00, if connected to multiple indoor units, press “...
Page 59: Restore Factory Settings
Remote control function selection of wire controller When the air conditioning unit is off, into the query function of temperature, press “ ”or “ ”to select rEC. ON or OF will be displayed in the temperature area to indicate whether it is valid or invalid. When the selection is invalid, the wire controller does not process any remote control signals.
Page 60: Download And Install App
CAUTION Please Check The Service Website For More Information. • Smart Phone camera needs to be 5 million pixels or above to make sure scan QR code well. • Due to different network situation, sometimes, request time-out could happen, thus, it is necessary to •...
Page 61: Register And Log In
Register and log in Open the MSmartHome app, and create a new account to start ( you can also register through a third-party account). If you already had an existing account, use the account to log in. Login Enter email XXXXXXXXX Login Enter password...
Page 62 5. If no message appears, select "+" on the page and select your device in the list of nearby devices available. If your device is not listed, please add your device manually by the device category. 6. Connect your device to Wireless Network according to the instructions on app. If the connection fails, please follow the instructions provided by the app to continue with the operation.
Page 63: App Declaration
NOTE: Make sure your devices are powered on. • Keep your mobile phone close enough to your device when you are connecting network to your device. • Connect your mobile phone to the wireless network at home, and make sure you know the password of •...
Page 64 Breezeless function of dip switch. NTOE: This feature is only available under cool mode. This feature is for some models. INDOOR UNIT MAIN BOARD SW2-1 SW2-2 SW2-2 dip switch to be “ON”,turn on the breezeless. SW2-2 dip switch to be “OFF”,turn off the breezeless.
Page 65: Care And Maintenance
CARE AND MAINTENANCE CAUTION Cleaning Your Indoor Unit • Always TURN OFF your AC system and disconnect its power supply before cleaning or maintenance. • Only use a soft, dry cloth to wipe the unit clean. You can use a cloth soaked in warm water to wipe it clean if the unit is especially dirty.
Page 66: Troubleshooting
TROUBLESHOOTING CAUTION If any of the following conditions occurs, turn o your unit immediately! • The power cord is damaged or abnormally warm • You smell a burning odor • The unit emits loud or abnormal sounds • A power fuse blows or the circuit breaker frequently trips •...
Page 67 Issue Possible Causes The outdoor unit The unit will make di erent sounds based on its current operating mode. makes noises Dust is emitted from The unit may accumulate dust during extended periods of non-use, which will be either the indoor or emitted when the unit is turned on.
Page 68 Problem Possible Causes Solution Wait for the power to be restored Power failure The power is turned o Turn on the power The unit is not The fuse is burned out Replace the fuse working Replace batteries Remote control batteries are dead The Unit’...
Page 69 Troubleshoot Your Wireless Remote Control Problem Possible Causes Solution In AUTO mode, the fan speed is Check whether AUTO set automatically and cannot be mode is selected. changed. The fan speed cannot be changed. In DRY mode, the FAN SPEED Check whether DRY button is ine ective.
Page 70: Outdoor Unit
Packing And Unpacking The Unit Instructions for packing unpacking the unit: Unpacking: Indoor unit: 1.Cut the packing belt. 2. Unpack the package. 3. Take out the packing cushion and packing support. 4. Remove the packing ﬁlm. 5. Take out the accessories. 6.
Page 71 Impedance Information (Applicable to some countries of Middle East Area only) To be in compliance EN 61000-3-11, the product MTIT-30CWN1-QC5 shall be connected only to a supply of the system impedance: Zsys = 0.078 ohms or less. Before connect the product to public power network, please consult your local power supply authority to ensure the power network meet above requirement.
Page 72: Trademarks, Copyrights And Legal Statement
Midea Group and/or its a liates (“Midea”), to which Midea owns trade- marks, copyrights and other intellectual property rights, and all goodwill derived from using any part of an Midea trademark.
Page 73: Data Protection Notice
European Economic Area. Further information are provided on request. You can contact our Data Protection O cer via MideaDPO@midea.com. To exercise your rights such as right to object your personal date being processed for direct marketing purposes, please contact us via MideaDPO@midea.com.
Page 74 Importer: MIDEA APPLIANCE AUSTRALIA Manufacturer: GD Midea Air-Conditioning Equipment Co,.Ltd. Lingang Road Beijiao Shunde Foshan Guangdong People’s Republic of China 528311 The design and speciﬁcations are subject to change without prior notice for product improvement. Consult with the sales agency or manufacturer for details. Any updates to the...
Page 76 QS003UI-T1 16123000A32201 20221104...

This manual is also suitable for:

Ducmi105ihb Ducmi125ihb Ducmi140ihb