Midea RM12F1 Remote Controller
Operation and Installation Manual
Introduction
Thank you for purchasing the remote controller. This manual describes the safety precaution requirements for using this product. Carefully read this OPERATION AND INSTALLATION MANUAL before using the controller. It will tell you how to use the controller properly and help you if any trouble occurs. After reading the manual, please keep it for future reference.
Installation
1. Installation Precautions
Safety Considerations
Please read these "Safety Considerations" carefully before installing the Controller and be sure to install it correctly. After completing the installation, make sure the controller operates properly. Please instruct the customer how to operate the controller and how to perform maintenance.
Meaning of Caution Symbols
⚠️ Failure to observe these instructions properly may result in property damage or personal injury.
Information classified as NOTE contains instructions to ensure proper use of the controller.
- Ensure that nothing interrupts operation of the wireless remote controller.
- Ensure that the signal from the remote controller can easily be transmitted.
- Ensure that the operation display lamp and other indicator lamps can easily be seen.
- Ensure that there is neither a source of light nor a fluorescent lamp near the receiver.
- Ensure that the receiver is not exposed to direct sunlight.
2. Installation Accessories
Please check that you have all the following parts.
| No. | Name | Schematic | Qty |
|---|---|---|---|
| (1) | Remote controller bracket | [Bracket schematic] | 1 |
| (2) | Screw lid | [Screw lid schematic] | 1 |
| (3) | Philips head screw (M2.9*12) | [Screw schematic] | 2 |
| (4) | AAA battery | [Battery schematic] | 2 |
| (5) | Remote controller manual | [Manual schematic] | 1 |
3. Dimensions of Remote Controller and Bracket
Diagram showing the dimensions of the Midea RM12F1 remote controller: 170 mm (height), 47 mm (width), and 25 mm (depth).
4. Installation and Fixing
1) Use the screws (accessories) to fix and secure the remote controller bracket in a stable position (see Figure 2.3). Make sure you refer to "1. Installation Precautions" to determine the location.
Diagram illustrating the installation of the remote controller bracket using screws.
2) Slot the screw lid into the bracket cover on top of the screws (see Figure 2.4).
Diagram showing the screw lid being attached to the bracket cover.
3) Slide the remote controller vertically down into the remote controller bracket (see Figure 2.5).
Diagram illustrating the remote controller being slid vertically into its bracket.
5. Replace the Batteries
1) Slide to move the battery cover at the back of the remote controller in the direction indicated by the arrow (Figure 2.6).
Diagram showing the battery cover on the back of the remote controller being slid open.
2) Lift up from the lower left end of the battery cover to open it (see Figure 2.7).
Diagram showing the battery cover being lifted open from the lower left end.
3) Take out the old batteries. Install two new AAA batteries according to the positive and negative polarities indicated (see Figure 2.8). Close the battery cover.
Diagram showing AAA batteries being inserted into the remote controller, with polarity indicators.
Operating the Remote Controller
1. Using Precautions
WARNING Failure to follow these instructions properly may result in personal injury or loss of life.
CAUTION Failure to observe these instructions properly may result in property damage or personal injury, which may be serious depending on the circumstances.
Information classified as NOTE contains instructions to ensure proper use of the controller. After reading, keep this manual in a convenient place so that you can refer to it whenever necessary. If the controller is transferred to a new user, be sure also to hand over the manual.
WARNING Note that prolonged, direct exposure to cool or warm air from the air conditioner or to air that is too cold or warm can be harmful to your physical body and health.
- Do not use pesticides, disinfectants and flammable sprays to spray directly on the remote controller as these may cause the device to become deformed.
- If there is a fault with the remote controller, turn off the remote controller and contact your local agent.
- Remove the dry batteries before cleaning or maintenance of the remote controller. Do not wash the controller with water.
2. Model and Key Parameters
| Product Model | RM12F1 |
|---|---|
| Rated Voltage | 3.0 V (AAA battery x 2) |
| Ambient Temperature | -5 to 43°C |
| Ambient Humidity | RH ≤ 90% |
3. Button Names and Functions
Diagram of the Midea RM12F1 remote controller, showing numbered buttons.
| No. | Button | Function |
|---|---|---|
| (1) | [Midea ETA function icon] Midea ETA function | Turn on/off the Midea ETA function |
| (2) | [Mode icon] Mode | Set operating mode: Cool → Dry → Fan → Heat |
| (3) | [Down arrow icon] Adjust downwards | Adjust the temperature setting or timer (programmed time) downwards |
| (4) | [Soft wind icon] Soft wind | In Cool mode, press this button to turn on or off the Soft wind function. |
| (5) | [Vane select icon] Vane select | In power-on status, press this button to select a vane to be controlled. |
| (6) | [Display icon] Display | Turn on or off the display of the indoor unit |
| (7) | [Timer icon] Timer on/off | Set the time to turn on/off the unit |
| (8) | [Silent icon] Silent | Turn on/off the silent function |
| (9) | [Up arrow icon] Adjust upwards | Adjust the temperature setting or timer (programmed time) upwards |
| (10) | [On/off icon] On/off switch | Switch on/off the unit |
| (11) | [Fan speed icon] Fan speed | Fan speed setting |
| (12) | [Auxiliary heater icon] Auxiliary heater | Turn on/off the auxiliary heater function |
| (13) | [Sterilize icon] Sterilize | Turn on/off the sterilize function |
| (14) | [Vane angle icon] Vane angle | Adjust the angle of the horizontal louver |
| (15) | [Vertical swing icon] Swing | Turn on/off the vertical swing function |
| (16) | [Self cleaning icon] Self cleaning | Turn on/off the Self cleaning function |
| (17) | [Horizontal swing icon] Swing | Turn on/off the horizontal swing function |
4. Name and Function on Display Screen
Diagram of the remote controller's LCD display screen, showing numbered indicators and icons.
| No. | Name | Display Function |
|---|---|---|
| (1) | Operating mode | Displays the current operating mode |
| (2) | Temperature | Displays current temperature setting |
| (3) | Timer On/Off | Displays times to turn on/off the unit |
| (4) | Soft wind | In Cool mode, press this button to turn on or off the Soft wind function |
| (5) | Sterilize function | Shows that Sterilize function is on |
| (6) | Silent mode | Shows that Silent is on |
| (7) | Fan speed | Displays the current fan speed |
| (8) | Signal transmission | Displays signal send to the indoor unit from the remote controller |
| (9) | Self cleaning | Shows Self cleaning function is on |
| (10) | Horizontal swing | Shows that Horizontal Swing is on |
| (11) | Vertical swing | Shows that Vertical Swing is on |
| (12) | Lock | Shows that the remote controller button is locked |
| (13) | Midea ETA function | Shows that Midea ETA function is on |
| (14) | Auxiliary heater | Shows that auxiliary heater is on |
5. Operating Methods
5.1 On/Off Operations
1) Press [On/off icon] (see Figure 3.3), Indoor unit starts to run;
Diagram illustrating the pressing of the On/Off button on the remote controller.
2) Press [On/off icon] again. The indoor unit stops running. In power-off status, modes are displayed.
5.2 Mode and Temperature Operations
1) Press [Mode icon] (see Figure 3.4). Display screen shows the operating mode;
Diagram illustrating the pressing of the Mode button on the remote controller.
2) Press [Mode icon] each time to change the operating mode according to the order shown in Figure 3.5;
Diagram showing the sequence of operating modes: Cool → Dry → Fan → Heat.
3) In Cool, Dry or Heat mode, press [Up arrow icon] and [Down arrow icon] to adjust the temperature setting. Press and hold to adjust the temperature by 1°C (default). Long press to change the temperature continuously.
Note: Temperature setting cannot be adjusted in the Fan mode.
5.3 Fan Speed Operations
Every time when you press the [Fan speed icon] button, fan speed is changed in the following order (see Figure 3.6).
Diagram illustrating the pressing of the Fan speed button on the remote controller.
1) 7 fan speeds: The default in the remote controller is the mode with 7 fan speeds, where the Fan Speed will be adjusted in turn as shown in Figure 3.7;
Diagram showing the 7 fan speed levels: Auto → Speed 1 → Speed 2 → Speed 3 → Speed 4 → Speed 5 → Speed 6 → Speed 7.
2) 3 fan speeds: Fan Speed will be adjusted in turn as shown in Figure 3.8.
Diagram showing the 3 fan speed levels: Auto → Low → Mid → High.
Note: The fan speed set on the remote controller should match with the air conditioner. For how to set the fan speed, see section "Initial Settings" in this document. Fan speeds cannot be adjusted in Dry mode.
5.4 Soft Wind Operations
Press [Soft wind icon] to adjust the direction of the vertical louver (see Figure 3.9).
Diagram illustrating the pressing of the Soft wind button to adjust the vertical louver direction.
In Cool mode, press this button to turn on or off the Soft wind function. In Soft wind function, the fan operates at the minimum speed and swings at the minimum angle.
5.5 Vane Selection Operations
In power-on status, press this button to select the vane to be controlled. If you press this button continuously, you can select vanes in circulating manner.
Diagram illustrating the pressing of the Vane select button.
The indicator in the indoor unit corresponding to the selected vane will be on, and then off after 15 seconds. After selecting the vane to be controlled, you can use [Up arrow icon] and [Down arrow icon] to set the swing angle.
5.6 Swing Operation
1) Vertical Swing
When the unit is on. Press [Vertical swing icon] (see Figure 3.11). Start the vertical swing function, and the [Vertical swing icon] will light up, and signal is sent to the indoor unit;
Diagram illustrating the pressing of the Vertical swing button.
When the vertical swing is on, press [Vertical swing icon] to turn off this function.
Note: When the unit is turned off, the [Vertical swing icon] button is invalid. Each time the vertical swing signal is sent, the icon keeps lighting up for 15s and then disappears. The indoor unit remains vertical swing operation.
2) Horizontal Swing
When the unit unit is on. Press [Horizontal swing icon] (see Figure 3.12). Start the horizontal swing function, and [Horizontal swing icon] will light up, and signal is sent to the indoor unit;
Diagram illustrating the pressing of the Horizontal swing button.
When the horizontal swing is on, press [Horizontal swing icon] to turn off the horizontal swing function.
Note: When the unit is turned off, the [Horizontal swing icon] button is invalid. Each time the horizontal swing signal is sent, the icon keeps lighting up for 15s and then disappears. The indoor unit remains horizontal swing operation.
5.7 IDU Display Operations
The Display function is used to control the on/off state of the display in the indoor unit.
1) When the remote controller is in on or off state, press [Display icon] (see Figure 3.13), and the display of the indoor unit lights up;
Diagram illustrating the pressing of the Display button.
2) When the display of the indoor unit lights up, press [Display icon] to turn off the light.
5.8 Silent Mode Operation
The Silent function is used by the remote controller to send the "Silent" signal to the indoor unit. The indoor unit automatically optimizes the noise it generates when it is in the "Silent" mode.
1) When the unit is in the Cool or Heat mode, press [Silent icon] (see Figure 3.14) to start the Silent function. Screen displays the [Silent icon] icon;
Diagram illustrating the pressing of the Silent button.
2) In Silent mode, press [Silent icon] to turn off the Silent function, and the [Silent icon] icon will disappear.
Note: Once it has been running for 8 hours, [Silent icon] will no longer light up, and the unit will exit the Silent mode. The Silent and Midea ETA functions cannot be implemented at the same time.
5.9 Midea ETA function Operations
The remote controller can send the Midea ETA function signal to the indoor unit when the unit is operating in Cool or Heat mode.
1) Press [Midea ETA function icon] (see Figure 3.15) to send the Midea ETA function signal to the indoor unit. The [Midea ETA function icon] icon is displayed;
2) Then press [Mode icon], [Fan speed icon], [Up arrow icon], or [Down arrow icon] to exit the Midea ETA function. The [Midea ETA function icon] icon disappears.
Diagram illustrating the pressing of the Midea ETA function button.
Note: When Midea ETA function is set up, the Fan Speed is forced to Auto. Once it has been running for 8 hours, [Midea ETA function icon] will no longer light up. The Silent and Midea ETA function cannot be implemented at the same time.
5.10 Sterilize function Operations
1) Press [Vane select icon] and [Vane angle icon] at the same time to start the Sterilize function. The screen will display the [Sterilize icon] icon (see Figure 3.16);
Diagram showing the Sterilize function activation by pressing Vane select and Vane angle buttons simultaneously.
2) When the Sterilize function is on, press [Vane select icon] and [Vane angle icon] at the same time to turn off this function, and the [Sterilize icon] icon will disappear from the display.
5.11 Timer On/Off Operations
"Timer" is used to set the timed on/off state of indoor unit.
1) When the unit is powered on:
Press [Timer icon] (see Figure 3.17), and the remote controller will display "Timer off", and "0.0H" will appear in the timer area. Adjust the Timer Off settings now;
Press [Up arrow icon] or [Down arrow icon] to adjust the timer settings;
Once the adjustment is done, the timer information is sent to the indoor unit.
2) When the unit is powered off:
Press [Timer icon] (see Figure 3.17), and the remote controller will display "Timer On", and "0.0H" will appear in timer area. Adjust the Timer On settings now;
Press [Up arrow icon] or [Down arrow icon] to adjust the timer settings;
Once the adjustment is done, the timer information is sent to the indoor unit.
Diagram illustrating the pressing of the Timer button.
Note: When Timer On is being set, you can set the power-on mode, fan speed, and temperature. If the timing period is more than 10 hours, the timing period increases by 1 hour. To change the time: Press the corresponding button, change the time, and then confirm the changes. Adjust the Timer on/off to 0.0h to cancel the Timer on/off settings.
5.12 Self cleaning Operation
Press [Self cleaning icon] (see Figure 3.18) to send the Self cleaning signal to the indoor unit. The [Self cleaning icon] icon is displayed
Diagram illustrating the pressing of the Self cleaning button.
5.13 Button Lock Operations
Once the buttons on the remote controllers are locked, all the other button operations except for Unlock and IDU Address Setting are invalid.
1) Press [Silent icon] and [Timer icon] at the same time to lock the button (see Figure 3.19), and the screen will display the lock icon [Lock icon];
2) Press [Silent icon] and [Timer icon] at the same time, and the lock icon will disappear. Button is unlocked.
Diagram showing the Button Lock function activation by pressing Silent and Timer buttons simultaneously.
5.14 Auxiliary Heater Operations (reserved)
1) Press [Soft wind icon] and [Vane select icon] at the same time to start auxiliary heater (see Figure 3.20), and the screen will display the [Auxiliary heater icon] icon ON;
2) Press [Soft wind icon] and [Vane select icon] at the same time, and the screen will display the [Auxiliary heater icon] icon OFF, the signal of stop the auxiliary heater will send to the IDU.
Diagram showing the Auxiliary Heater function activation by pressing Soft wind and Vane select buttons simultaneously.
Field Settings
1. Initial Parameter Configuration for Remote Controller
1) Configuration Method:
Long press [Mode icon] and [Fan speed icon] on the remote controller at the same time for 8 seconds to go to the parameter settings status (see Figure 4.1);
Diagram showing the Mode and Fan speed buttons being pressed simultaneously for 8 seconds to enter parameter settings.
Press [Up arrow icon] and [Down arrow icon] to adjust the parameter value;
Once the adjustment is done, press [On/off icon] or wait for 5 seconds to save the parameter settings. The operation sequence for the button is as shown in Figure 4.2.
Diagram illustrating the sequence for adjusting and saving parameter settings.
2) See Table 4.1 for details.
| Parameter Code | Parameter | Parameter Definition |
|---|---|---|
| 00 | Indoor unit ESP setting | 7 fan speeds, temperature adjustment step of 0.5°C (default parameter) |
| 01 | Indoor unit stop fan motor time reaching heating temperature | 3 fan speeds, temperature adjustment step of 1°C |
| 02 | Indoor unit cold air prevention temperature setting | 7 fan speeds, temperature adjustment step of 1°C |
| 03 | Indoor unit heating temperature compensation | 3 fan speeds, temperature adjustment step of 0.5°C |
| 04 | Indoor unit cooling temperature compensation | 7 fan speeds, temperature adjustment step of 0.5°C, Auto Mode |
| 05 | Indoor unit Auto restart function | 3 fan speeds, temperature adjustment step of 1°C, Auto Mode |
| 06 | Opening selection of electronic expansion valve for heating and standby mode | 7 fan speeds, temperature adjustment step of 1°C, Auto Mode |
| 07 | Opening conditions of electric auxiliary heating mode switching time | 3 fan speeds, temperature adjustment step of 0.5°C, Auto Mode |
Note: For the first generation indoor units, please set the parameter to 01.
2. Advanced Parameter Configuration for Remote Controller
1) Configuration Method:
Parameters can be set in the state of power on or off.
Long press [Mode icon] and [Fan speed icon] on the remote controller at the same time for 8 seconds to go to the advanced parameter settings status, "C1" will be displayed in the temperature display area(see Figure 4.3);
Diagram showing "C1" displayed in the temperature area, indicating entry into advanced parameter settings.
Press [Up arrow icon] and [Down arrow icon] to adjust the parameter code;
Press [Mode icon] to enter the parameter setting interface, then press the [Up arrow icon] and [Down arrow icon] keys to adjust the parameter value, refer to the advanced parameter setting list to select the setting parameters. (see Figure 4.4);
Diagram illustrating the process of selecting advanced parameters using the remote control buttons.
Parameter query: press the [Mode icon] to send the query code, and the indoor unit display board displays the parameter code;
Parameter setting: press the [Fan speed icon] key to send the setting code;
Press the [Mode icon] to return to the previous layer until you exit the parameter setting;
If you enter the parameter code setting interface for the first time, you will exit the parameter setting automatically without operation after 60 seconds. If there is operation in the parameter setting interface, you will exit the parameter setting after 60 seconds.
2) See Table 4.2 for details.
Table 4.2 Advanced Parameters Setting.
| Parameters Code | Parameters | Range of Value | The 2nd DC indoor Unit | The 2nd Fresh Air Processing Unit | The 2nd AC indoor Unit | AHU-return air Conrtol | AHU-supply air Conrtol |
|---|---|---|---|---|---|---|---|
| C1 | Indoor unit ESP setting | 00-19/FF | 00 | Refer the static pressure settings in IDU IOM | / | / | / |
| C2 | Indoor unit stop fan motor time reaching heating temperature | 00/01/02/ 03/04/FF | 00 | 4min/8min/12min/ 16min/0min/4min | 4min/8min/12min/ 16min/0min/4min | fixed 10min | / |
| C3 | Indoor unit cold air prevention temperature setting | 00/01/02 /03/FF | 00 | 15°C/20°C/24°C/ 26°C/15°C | 15℃/20℃/24℃/26℃/15℃ | 14°℃/12℃/16°C/ 18°C/14°C | 14°℃/12℃/16°C /18°C/14°C |
| C4 | Indoor unit heating temperature compensation | 00/01/02/ 03/04/FF | 00 | 6°C/2°C/4°C/ 6°C/0°C/6°C | 6°C/2℃/4℃/6℃/0℃/6℃ | / | / |
| C5 | Indoor unit cooling temperature compensation | 00/01/FF | 00 | 0℃/2℃/0℃ | 0℃/2℃/0℃ | / | / |
| C6 | Indoor unit Auto restart function | 00/01/FF | 00 | Enable/ Disable/Depend on the J1 junper on pcb of IDU | / | / | / |
| C7 | Opening selection of electronic expansion valve for heating and standby mode | 00/01/ 02/FF | 01 | 56P/72P/0P/72P | 72P/72P/72P/72P | / | / |
| C8 | Opening conditions of electric auxiliary heating mode switching time | 40-90 | 80 | -5 ~ 20℃, 15℃ by default in IU software | / | / | / |
| C9 | interval in automatic mode | 00/01/ 02/03 | 00 | 15min/30min/60min/90min | 15min by default in IU software | / | / |
Note: FF: FF means that this setting has a corresponding dial switch on the IDU PCB and the position of the switch determines the value of this parameter. Default Value: It means this parameter does not have a dial switch on the main PCB and in case of no setting, the default value shall prevail; "The indoor unit fan stop time in heating mode" and the "Opening Degree of EXV" are two mutually exclusive settings. The setting which is done in the last would be effective. When set the heating EXV standby position later , the indoor unit fan switching time will automatically change to default value. When you set the fan stop time later , the default EXV opening will change to 72 p automatically AHU includes two options: return air and fresh air control. If AHU is written only, it indicates that both of these controls are applicable simultaneously.
3. Indoor Units Parameter Check Function
In the state of power on or off, long press the [Mode icon] and [Fan speed icon] together for 8 seconds to enter the parameter setting page, then press the [Mode icon] to send the command, and the indoor unit display will show the IDU current parameters corresponding to particular IDU model, for more information refer to IDU installation and operation instruction. Generally, The first parameter refers to IDU address, and the second refers to IDU capacity/HP.
4. Indoor Unit Address Query and Setting
In the state of power on or off, long press the [Silent icon] and [Timer icon] together for 8 seconds to enter the address query page, then press the [Mode icon] to send the address query command .
In Setting page, press [Up arrow icon] and [Down arrow icon] to adjust the address up and down respectively. Press [On/off icon] to send the address to the indoor unit.
5. Indoor Unit Capacity Code Query
In the state of power on or off, long press the [Display icon] and [Self cleaning icon] together for 8 seconds to enter the capacity code query page, Press [Mode icon] to homepage.
