Midea KJR-120C/TF-E Operating instructions

WIRE CONTROLLER OF AIR CONDITIONER
MODEL: KJR-120C/TF-E(12V)
KJR-120C/TF-G(12V)
KJR-120C/TF-I(5V)
KJR-120C/TF-H(12V)
KJR-120C/TF-J(5V)
Thank you very much for purchasing our product.
Before using your unit, please read this manual carefully and keep it for future reference.
INSTALLATION&
OWNER’ S MANUAL

● This manual gives detailed description of the precautions
that should be brought to your attention during operation.
● In order to ensure correct service of the wired controller
please read this manual carefully before using the unit.
● For convenience of future reference, keep this manual
after reading it.

CONTENTS
1. SAFETY PRECAUTIONS......................................................................... 1
2. INSTALLATION ACCESSORY.................................................................. 2
3. INSTALLATION METHOD.........................................................................4
4. SPECIFICATION...................................................................................... 10
5. FEATURE AND FUNCTION OF THE WIRED CONTROLLER................ 11
6. NAME ON THE LCD OF THE WIRE CONTROLLER............................ 12
7. NAME OF BUTTON ON THE WIRE CONTROLLER............................... 13
8. PREPARATORY OPERATION..................................................................15
9. OPERATION..............................................................................................16
10. TIMER FUNCTIONS................................................................................21
11. WEEKLY TIMER......................................................................................24
12. FAULT ALARM HANDING.......................................................................31
13.TECHNICAL INDICATION AND REQUIREMENT ...................................31

1
 Read the safety precautions carefully before installing the unit.
 Stated below are important safety issues that must be obeyed.
Means improper handling may lead to personal death or severe injury.
Means improper handling may lead to personal injury or property loss.
WARNING
CAUTION
Please entrust the distributor or professionals to install the unit.
Installation by other persons may lead to imperfect installation, lectric shock or fire.
Adhere to this installation manual.
Imporper installation may lead to electric shock or fire.
Reinstallation must be performed by professionals.
improper installation may lead to electric shock or fire.
WARNING
Do not install the unit in a place vulnerable to leakage of flammable gases.Once
flammable gases are leaked and left around the wire controller, fire may occure.
Do not operate with wet hands or let water enter the wire controller. Otherwise,
electric shock may occur.
The wiring should adapt to the wire controller current. Otherwise, electric leakage or
heating may occur and result in fire.
The specified cables shall be applied in the wiring. No external force may be applied
to the terminal. Otherwise, wire cut and heating may occur and result in fire.
NOTE
Do not uninstall the unit randomly.
Random uninstalling may lead to abnormal operation, heating or fire of the air condition.
1
2
3
4
1. SAFETY PRECAUTIONS

2
2. INSTALLATION ACCESSORY
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.
Select the installation location
Preparation before installation
1. Please confirm that all the following parts you have been supply.
2. Prepare the following assemblies on the site.
The connective wires group
1
2
3
4
5
3
2
M4X20
(For Mounting on the Wall)
M4X25
(For Mounting on switch box)
1
2
1
6
7
3
2
1
No. Name Qty. Remarks
Wire controller
Installation and owner’s manual
For Mounting on the Wall
Switch box
Wiring Tube(Insulating
Sleeve and Tightening
Screw)
Qty.(embeded
into wall)
Plastic screw bars
Screws
Wall plugs
For fixing on switch box
No. Name Remarks
Specification
(only for reference)
Screws
1
1
1
Optional

3
2. INSTALLATION ACCESSORY
Precaution of install the wire controller
1. This manual provides the installation method of wire controller. Please refer to the
wiring diagram of this installation manual to wire the wire controller with indoor unit.
2. The wire controller working in low voltage loop circuit. Forbid to directly contact the
cable of 220Vcommercial electricity or of 380V high voltage, and don’t wire this kind
of wire in the said loop; wiring clearance between configured tubes should at the
range of 300~500mm or above.
3. The Shielded wire of the wire controller must be grounded reliable.
4. Upon finish the wire controller connection, do not employed tramegger to detect the
insulation.
5. The connective cable of wire controller should not be longer than 20 meters.

4
3. INSTALLATION METHOD
Fig 3-1
Fig 3-2
1.Wired remote controller structure size figure
2.Wiring Principle Sketch:
red
black
yellow
brown
red
black
yellow
brown
Insert of the
mainboard CN40
Wire controller Indoor unit mainboard
4-Core Shield Cable, the length
is decided by installation
-----------------------------------
-----------------------------------
-----------------------------------
-----------------------------------
120
122
18.5
83.5
46
62

3. INSTALLATION METHOD
5
Fig 3-4
Connect the female joint of wires group from the mainboard with the male joint of
connective wires group. (See Fig.3-3)
Please connect the other side of connective wires group with the male joint of
wires group leads from wire controller. (See Fig.3-3)
Fig 3-3
Mainboard
4-core shielding wire
3.Wiring figure
4.Remove the upper part of wire controller
The connective wires group
CN40
Insert a slot screwdriver into the slots in the lower
part of the wire controller (2 places), and remove
the upper part of the wire controller. (Fig.3-4)
Slots
NOTICE
The PCB is mounted in the upper part of the wire
controller. Be careful not to damage the board
with the slot screwdriver.

6
Fig 3-5
Fig 3-6
3. INSTALLATION METHOD
Switch box
Back plate
For exposed mounting, fasten the back plate on the wall with the 3 screws (M4×20)
and plugs. (Fig.3-5)
For flush-mounting, fasten the back plate on the switch box with 2 screws (M4×25) and
fasten it on the wall with 1 screw (M4×20). (Fig.3-6)
4. Fasten the back plate of the wire controller
Back plate
Screws (M4×20)
Screw (M4×20)
Screws (M4×25)
NOTICE
Put on a flat surface. Be careful not to distort the back plate of the wire controller
by overtightening the mounting screws.

7
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.3-7)
Please set the time corrected on the first time operation. Batteries in the wire
controller can timing under power failure which ensure the time keep right. When
the power restores, if the time displayed is not correct, it means the battery is dead
and replace the battery.
Fig 3-7
3. INSTALLATION METHOD
5. Battery installation

Fig 3-8
Fig 3-9 Fig 3-10
3. INSTALLATION METHOD
8
6. Wiring
Top side
wire outlet
Left side
wire outlet
Right side
wire outlet
Bottom side
wire outlet
Cutting place of top
side wire outlet
Cutting place of left
side wire outlet
Cutting place of right
side wire outlet
A. For wiring in the slot, four outletting positions.
There are three need cutting.
Diameter of wall hole：Φ20mm
Embedded switch
box wiring
B.Shielded wiring
Wiring
hole
Wiring through the wall
Wall hole and wiring hole
Putty
Putty
Putty
Trap
Trap
Trap
CAUTION
Avoid the water enter into the wired remote controller, use trap and putty to seal the
connectors of wires during wiring installation. (Fig.3-10)
When under installation, reserve certain length of the connecting wire for convenient
to take down the wired remote controller while during maintenance.
Line groove
Line groove
Line groove
Line groove

9
Fig 3-11
3. INSTALLATION METHOD
All the pictures in this manual are for explanation purpose only.
Your wire controller may be slightly different .The actual shape shall prevail.
7.Reattach the upper part of the wire controller
After adjusting the upper case and then buckle the upper case; avoid clamping the
wiring during installation. (Fig 3-11)

4. SPECIFICATION
DC 5V/DC 12V
-5~43℃(23~110℉)
RH40%~RH90%
Input voltage
Ambient temperature
Ambient humidity
10

11
swing swing
5. FEATURE AND FUNCTION OF THE WIRED
CONTROLLER
Function:
Mode: choose Auto-Cool-Dry- Heat -Fan
Fan speed: Auto/Low/Med/High speed
Vertical swing & Horizontal swing(on
some models)
Timer ON/OFF
Temp. setting
Weekly timer
Follow Me
Child Lock
PTC heater (on some models)
LCD display
Clock
Infrared remote receiver (on some models)
Lifting panel (on some models)
Feature:
LCD display.
Room temperature display.
Weekly Timer.
4-way wire layout design, no raised part
at backside, more convenient to place
the wires and install the device.
Malfunction code display: it can display
the error code, helpful for service.
Dimension:
H×W×D(mm) 122×120×18.5
--------
--------
----
----

6. NAME ON THE LCD OF THE WIRE CONTROLLER
1 Operation mode indication
2 Fan speed indication
3 Left-right swing indication
4 Up-down swing indication
5 Faceplate function indication
6 Main unit and secondary unit indication
7 Follow me function indication
1 2 3 4 5 7
9
10
11
12
13
15 14
8 PTC function indication
9 C° / F° indication
10 Temperature display
11 Lock indication
12 Room temperature indication
13 Clock display
14 On/Off timer
15 Timer display
12
6 8

7. NAME OF THE BUTTON ON THE WIRE CONTROLLER
1
2
3
4
5 6
7
8
9
10 11
12
13
13
swing swing

7. NAME OF THE BUTTON ON THE WIRE CONTROLLER
1 Power Button
2 Mode(A/B) Button
3 Adjust Button
4 Fan speed Button
5 Up-down Airflow Direction and Swing Button
6 Left-right Airflow Swing Button
7 Follow me(PTC) Button
8 Timer Button
9 Day off(Del) Button
10 Confirm Button
11 Back Button
12 Copy Button
13 Infrared remote receiver (on some models)
7. NAME OF THE BUTTON ON THE WIRE CONTROLLER
14

8. PREPARATORY OPERATION
Press the Timer button for 3 seconds or more.
The timer display will flash.
Press the button “+” or “-” to set the current time.
Press repeatedly to adjust the current time in 1-minute increments.
Press and hold to adjust the current time continuous.
ex.Monday AM 11:20
1
2
3
4
5
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 there is no pressing button in 10 seconds.
The setting is done after pressing Timer button or there is no
pressing button in 10 seconds.
Set the current day and time
15

9. OPERATION
To start/stop operation
Press the Power button.
Operation lamp
Air conditioner ON :Lit brightly
Air conditioner OFF:Not lit
To set the operation mode
Press the Mode button to set the operation mode.
(Heat function is invalid for cool only type unit)
Room temperature setting
Press the button“ + ”or “ - ” to set the room temperature.
Indoor Setting Temperature Range : 17~30℃(62~86℉)
Lower Rise
Operation mode setting
16
6
Remote signal receiving function
The wired remote controller can be a remote signal receiving device, you can use the
wireless remote controller to control the air-conditioner through the wired remote
controller when the system have been powered on.