Carrier KJR120 User manual

INSTALLATION&
OWNER’ S MANUAL
Thank you very much for purchasing our air conditioner,
Before using your air conditoner, please read this manual carefully and keep it for future reference.

●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. WIRING DIAGRAM BETWEEN WIRE CONTROLLER AND AIR
CONDITIONER......................................................................................... 7
5. SPECIFICATION....................................................................................... 8
6. NAME ON THE LCD OF THE WIRE CONTROLLER............................. 9
7. NAME OF BUTTON ON THE WIRE CONTROLLER............................... 10
8. PREPARATORY OPERATION..................................................................12
9. OPERATION..............................................................................................13
10. TIMER FUNCTIONS................................................................................18
11. WEEKLY TIMER......................................................................................21
12. FAULT ALARM HANDING.......................................................................28
13.TECHNICAL INDICATION AND REQUIREMENT ...................................28

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 re.
Adhere to this installation manual.
Imporper installation may lead to electric shock or re.
Reinstallation must be performed by professionals.
improper installation may lead to electric shock or re.
WARNING
Do not install the unit in a place vulnerable to leakage of ammable gases.Once
ammable gases are leaked and left around the wire controller, re 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 re.
The specied 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 re.
NOTE
Do not uninstall the unit randomly.
Random uninstalling may lead to abnormal operation, heating or re of the air condition.
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1. SAFETY PRECAUTIONS

2
2. INSTALLATION ACCESSORY
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2
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3
4
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2
3
5
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4 1
61
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 conrm that all the following parts you have been supply.
2. Please led install the following accessory.
Wire controller
1
Battery
No.
No.
Name
Name
Qty.
Qty.
Remark
Remark
Electric cabinet Universal electric cabinet’s specication.
Pre-embed it into wall.
Pre-embed into wall, the longest length should
not exceeding than 15m.
For install Cruciform slot screw.
For unscrew the bottom cover of wire controller.
Wire congured tube
(insulated sheath)
Phillips screwdriver
Slotted head screwdriver
Cruciform slot screw M4×25
Installation and owner’s manual
This accessory is used when install the
wire controller inside the electric cabinet
Plastic bolt
The connective wires group(on
some models)
2

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 congured tubes should at the
range of 300~500 or above.
3. The Shielded wire of the wire controller must be grounded reliable.
4. Upon nish 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.

3. INSTALLATION METHOD
4
Fig 3-2
1. Connect the female joint of wires group from the mainboard with the male joint of
connective wires group. (See Fig.3-1)
2. Please connect the other side of connective wires group with the male joint of wires
group leads from wire controller. (See Fig.3-1)
3. Take o the cover of wire controller at the bottom with the screwdriver. (See Fig.3-2)
Installation diagram
Fig 3-1
Mainboard
Connective wires (accessory)

5
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.3-3)
4.
Fig 3-3
3. INSTALLATION METHOD
Fig 3-4

6
NOTE
5. Adjust the length of two plastic bolts base on the length of through out from standard
electric cabinet to the wall. Conrm the two bolts xing in the cabinet are in the same
length and vertical to the wall surface.
6. Fix the bottom cover to the electric cabinet by the accessory slotted head screws.
Conrm the bottom cover is parallel to wall surface.And then reinstall the bottom
cover to centralized controller. (See g 3-4)
Over tighten the screw would cause rear cover deformed and LCD damage.
When installation, please maintain the screws and wire controller at the same height
level without deformed.
When installation, please reserve a certain length of wire controller connective cable
for future maintenance to take o the wire controller.
3. INSTALLATION METHOD

7
4 . WIRING DIAGRAM BETWEEN WIRE CONTROLLER AND AIR
CONDITIONER
1. Wiring diagram of wire controller connects with indoor unit (See g 4-1)
Fig 4-1
Indoor unit
electric cabinet
Mainboard
Insert of the electric
mainboard CN40
Shielded 4-core cable
The rear side of
wire controller