Kaysun KCCT-64 I (B) Installation instructions

INSTALLATION AND
OWNER’S MANUAL
Centralized Controller
KCCT-64 I (B)
IMPORTANT NOTE
Thank you very much for purchasing our product.
Before using your unit, please read this manual
carefully and keep it for future reference.

2
CONTENT
1. Installation part ……………………. 03
1.1 List of fittings and installation components ……………………. 04
1.2 Notes to installation ……………………. 05
1.3 Installation procedure ……………………. 05
1.4 Wiring procedure ……………………. 07
1.5 Safety precautions ……………………. 08
1.6 System wiring instruction ……………………. 09
2. Operation part ……………………. 10
2.1 Function instructions ……………………. 11
2.2 Operation conditions ……………………. 11
2.3 Key words ……………………. 12
2.3.1 Status indication ……………………. 12
2.3.2 Power on or reset ……………………. 12
2.3.3 Emergency stop and forced operate the unit ……………………. 12
2.3.4 All kinds of locking status ……………………. 13
2.3.5 ON and OFF the unit operations ……………………. 14
2.4 Instruction of electric control function ……………………. 16
2.4.1 Operation instruction of keys ……………………. 17
2.4.2 Operation instruction of keys ……………………. 22
2.4.3 Other instructions ……………………. 25
2.4.4 Error code table ……………………. 27
2.5 Technical index and requirements ……………………. 28

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INSTALLATION PART

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1.1 L ist of fittings and installation components
1. Packing box list of indoor unit centralized controller KCCT 64 I. Please check whether the
assemblies are complete.
No.
Name
Quantity
Remarks
1
Indoor unit centralized
1
____________
2
Fastening cross groove pan
head
self-tapping
6
GB845/ST3.9*25-C-
H(S)
3
Fastening plastic expansion
6
Φ6*30
4
Installation & Operation Manual
1
____________
5
Matching resistance
4
120Ω
2. Installation assemblies prepared on the site
No.
Name
Quantity
(install into
Wall)
Selected
model
Remarks
1
3-core control
shielded cable
2 PCS
RVVP-
300/300
3X0.75 mm2
One for
communicating
with the air
conditioner; the
other for
communicating
with the computer.
2
3-core cable
1 PCS
RVV-300/500
2X1.5 mm2
For power supply of
the Centralized
3
Switch box
1 PCS
____________
____________
4
Wire pipe (jack
casing pipe,
captive nut)
2/3 PCS
____________
____________
5
Tighten strip
Several pieces
____________
For binding cables
(as the case maybe)

5
X Y E
X Y E
X Y E
X Y E
180
13
‘
9²
EY X
E Y X
EY X
EY X
1.2 Notes to installation
Notes to installation
1) Directly insert 220V~50Hz power into the wiring socket L, N terminals of centralized
controller.
2) Do not lay the signal wire and the power wire of the centralized controller in the same power
wire pipe, there should be 300~500mm distance between two pipes.
3) The signal bus of centralized controller should not exceed 1200m.
4) No intermediate joint is allowed for the shielded cable. If joints are inevitable, crimp it with the
terminal.
5) After the centralized controller is connected, do not use megohmmeter to inspect insulation of
the signal cable.
6) Wiring mode of the centralized controller and the network interface:
The communication port between the centralized controller and the network interface of the air
conditioner is polarity-sensitive. The X,Y and E at both sides should correspond properly. Dot
not cross-connect cables. The same principles apply to the RS485-RS232 of the centralized
controller.
Correct connection Incorrect connection Incorrect connection Incorrect connection
1.3 Installation procedure
Procedure of installing electrician switch box of centralized controller
The size of the centralized controller wire depends on the length. Use a wiring pipe adaptable
to the wires of the centralized controller to perform installation.
‘0
8‘
1²²
48.‘
68
KCCT-64-I
Fig.1.1 Installation size (unit: mm)

6
2
1
1#####
#####
² 3
Insert the flathead screwdriver into the
concave on the upper side of the box,
and rotate slightly to open the upper cover
(3 places).
Fix the screws of the centralized controller
(GB845/ST.3 9*25)
Base
Dial code
Front cover
Address dial code
Fig. 1.2 Installation
diagram
Forced on
switch
Emergency
stop switch
Power wire connecting terminal
(198V~242V)/(50/60Hz)
Communication terminal with computer
Communication terminal with air conditioner
Fig.1.3 Terminal instruction of centralized controller
Dial code position
Address range

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1.4 System wiring instruction
Network air conditioner wiring diagram (two types for indoor unit: one is the main control board
needs an external network interface module; the other is network interface module is built in the
main control board).
RS232 pin buckle: insert the COM port of computer
Electronic control box
Fig.1.4 Wiring diagram

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Note
The RS485-to-RS232 module in the wiring diagram and the wires are put into use only when
the network system needs to be connected with the computer. One computer can be connected
with 16 centralized monitors at most. Namely a maximum of 16X64=1024 indoor units can be
connected. The centralized controllers are differentiated by address bits. The configurable range
is 0~15. No duplicate address of centralized controller is allowed in a unified network.
1.5 Safety precautions
Safety precautions
! Read the safety precautions carefully before installing the unit.
! Stated below are important safety issues that must be obeyed.
! The meanings of all parts are as follows:
Warning
Means improper handling may lead to personal injury or property loss.
Note
Means improper handling may lead to personal injuries.
! Upon completion of the installation, check whether the trial run is normal, and deliver the
user's manual to the user.
Warning
Please entrust the distributor or professionals to install the equipment. Installation by unauthorized
persons may lead to imperfect installation which may result in electric shock or fire.
Adhere to this installation manual. Improper installation may lead to electric shock or fire.
Reinstallation must be performed by professionals. Improper installation may lead to electric
shock or fire.
Do not uninstall the equipment without permission. Unauthorized uninstalling may lead to abnormal
operation, heating or fire of the air conditioner.
Note
Do not install the equipment in a place vulnerable to leakage of flammable gases. Once
flammable gases are leaked and left around the centralized monitor, fire may occur.
The wiring shall adapt to the current of the centralized monitor. Otherwise, electric leakage or
heating may occur and result in fire.

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1.6 System wiring instruction .
1) Wiring diagram of building network air conditioning system.
(a)
(b)
(a) Wiring diagram with good communication effect
(recommended)
(b) Wiring diagram with poor communication effect (not recommended
because it ma y lead to poor communication)
2) System wiring diagram of centralized monitoring and indoor unit of air conditioner.
Both of the following wiring modes of centralized monitor and indoor unit are
applicable: (Quantity of indoor units connected with each centralized monitor is less
than or equal to 64).
Indoor unit Indoor unit Indoor unit Indoor unit Indoor unit Indoor unit
Centralized controller
Indoor unit Indoor unit Indoor unit Indoor unit Indoor unit Indoor unit
Centralized controller
Fig.1.5 Wiring diagram of centralized controller and air-conditioning indoor unit

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OPERATION PART

11
……
……
……
……
……
2.1 Function instructions
1. Centralized controller is used for network air-conditioner to realize centralized controlling
and data querying. Each centralized controller can be connected to maximum 64 indoor
units, through 485 communications can to form an air conditioner LAN and realize the
centralized monitoring network in the air conditioner.
2. Centralized controller can connect with computer or gateway, to realize the LAN
connection between computer and all the air conditioners, then can use computer to
remote control
(the computer software must support it). Each local computer or gateway maximally
connect
16 centralized controllers.
3. Between centralized controller and air conditioner, computer and centralized controller are
applied to the master-slave responding communication method. In the LAN of centralized
controller and air conditioner, centralized controller will be as the master unit, and the air
conditioner will be as the slave unit. In the LAN of computer and centralized controller, the
computer or gateway will be as the master unit, and the centralized controller will be as the
slave unit.
Air conditioner
Network
connector Centralized controller
Local computer
Network connector
may be gathered on
the indoor unit main
control board
Maximally 64
indoor units
Maximally 16
indoor units
Intern
Fig.2.1 Air conditioner network control system structure diagram
2.2 Function instructions
1. Power and voltage range:
Input voltage: single phase 198V~242V;
AC input power frequency: 50Hz/60Hz;
2. Operating environment temperature: -15ºC~+43ºC;
3. Operating environment humidity: RH40%~RH90%.

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2.3 Function instructions
2.3.1 State indication
1. LED state indication lamp
1) Normal state
1- Normally on
The LED indication lamp will be normally on when any one of the following situations display:
a) In the centralized controller network, one or more air conditioners are under operating state.
b) Through the centralized controller’s operation, when the centralized controller is
sending order to the air conditioner, LED indication lamp will be normally on. When finish
sending, LED indication lamp will be off.
2- Off
The air conditioners in the centralized controller network are all under off status.
2) Abnormal state
If the air conditioner in the centralized controller are error or the controller has error, LED
indication lamp will be flashed as 2 Hz.
2. Backlight
When the backlight is off, press any key except””, the backlight will be on. Press the key of
centralized controller, backlight will be on.
No key operation over 30s, backlight will be off.
3. Buzzer
Under the situation of the backlight is on and the centralized controller key are un-lock,
press any key (except for the ), the centralized controller will carry on relative
function, the buzzer will buzz once only. If this key has long press function, the centralized
controller will carry on the relative function, and the buzzer will buzz once only.
Under the backlight is off, press any key (except for key), only light on the backlight, the
centralized controller will not operate the key, and the buzzer will not buzz.
2.3.2 Power on or reset
When the centralized controller is powered on or reset through the key :
The buzzer long buzz for 2 seconds: all display segments of LCD are luminous for 2 seconds
and then goes off;
1 second later, the system enters the normal display status. The centralized controller is in
the main page display status and displays the first page, and searches the in-service air
conditioners in the network.
Once the search is finished, the centralized controller enters the mode setting page,
and sets the first in-service air conditioner by default.
2.3.3 Emergent shutdown and compulsory startup
When the emergent stop switch of the centralized controller is turned on, all air
conditioners in the network of the centralized controller will be shut down compulsorily. The
centralized controller and computer and all functional modules are disabled from startup and
shutdown until the emergent stop switch is turned off. When the forced-on switch

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of the centralized controller is turned on, all air conditioners in the network of the centralized
controller will start up compulsorily. By default, they will run in the cooling mood. The startup
and shutdown operations of the centralized controller and computer and all functional
modules will be disabled (only the command of startup is sent to the air conditioner without
affecting operation of the remote controller after startup) until the forced-on switch is turned
off.
If the foregoing two switches are turned on concurrently the emergent stop switch
shall have preference.
2.3.4 All kinds of locking states
1. Centralized controller locking
The centralized controller locking state will be recorded when powered off, re-power on it
will recover, unless receiving the unlocking order.
1) Effect
1. When the centralized controller is under locking state, it can not change the air
conditioner’s operating state through the centralized controller (such as ON/OFF the unit,
setting mode, change the setting temperature, change the fan speed, unlock the exiting
locking state etc), but it can do the query operation, until unlocking and then recover to
normal.
2. When the centralized controller is under locking state, all the air conditioners in the
centralized controller network will be locked.
2) Operation
1. Locking
Locking the centralized controller only through the computer.
2. Unlocking
a) Under the centralized controller and computer communicate normally
Only use computer to unlock the centralized controller. When unlacing the centralized
controller, the controller will send order to unlock all the controllers of all the air conditioners.
b) Under the centralized controller and computer communicate abnormally
When the centralized controller is under locking state, press “ ”key and hold
on, then press “ ”to unlock the controller (it need to re-power on the controller or press
“ ”in one minute).
The locking state of the air conditioner’s remote controller will be remained.
2. Remote controller locking
1) Effect
1. When the air conditioner is under remote controller locking state, it will not receive the
remote signals from remote controller or wire controller, until unlocking.
2. No operation for the centralized controller, it can operate the air conditioner through
the centralized controller.
2) Operation
1. Can lock or unlock through the computer.
2. Can operate by centralized controller.
In the centralized controller setting interface, press “ ” to lock or unlock. If the current state
is remote controller locking, press the key to unlock.
If no remote controller locking, press the key to lock.
3. Mode locking function
1) Effect
Under mode locking state, through centralized controller to operate the air conditioner,

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only can choose the mode which has not conflict with locking mode.
2) Operation
Can set the heating mode locking or cooling mode locking.
Under mode locking state, if set the new mode locking, it must be unlocking first, then
can operate the new mode locking.
1-Can lock or unlock through the computer.
2-Can operate by centralized controller.
In the centralized controller setting interface, choose the setting object is all the air conditioner
of the centralized controller network, press “ ” and hold on, then press “ ” to do the mode
locking or unlocking.
If the current state is mode locking, press the key to unlock. If no mode locking, press the key to
lock.
4. Centralized controller key locking and unlocking
1) Effect
Under key locking state, except unlocking and “ ” key, any other keys operations are
invalid.
2) Operation
1. Press “ ” key and hold on, then press “ ” key, the keys of centralized controller will be
locked or unlocked.
If the current state is key locking, press the key to unlock.
If no centralized controller key locking, press the key to lock.
2.when the backlight turn off, the controller key will be locked automatically to operate the
controller, must light the backlight by pressing any key first, then press “ ”key and hold on,
press “ ”key to unlock the key. After 30 seconds no operation, the backlight will turn off, the
controller key will be locked automatically again.
2.3.5 ON and OFF operation
Use the “ ” key and “ ”key to do the ON and OFF operation for the air conditioners in the
centralized controller network.
The ON mode will accord to the system mode locking or other limit conditions for judging, if
there is conflict, it will auto adjust to the next mode without conflict; if all the modes have conflict,
then it can not operate the unit.
1. Use “ ” key to ON and OFF the unit
Can operate a single air conditioner or all the air conditioners in the centralized controller
network.
1) Choose the object. Through “ ” key to choose a single air conditioner or
all the air conditioners in the centralized controller network. If choose a single air conditioner, then
use “ ”, “ ”, “ ”, and “ ” to choose the air conditioner.
²) Through “ ”, “ ”, “ ”, and “ ” to set the operating mode, fan speed,
setting temperature etc. operating parameters.
3) Use “ ” key, centralized controller send the relative order to the operating object. After setting
the operating parameter for the air conditioner, if not press the
“ ” key the setting parameter will not be sent to the air conditioner, and also will not affect the
current operation(except locking operation).
². Use “ ” key to ON and OFF the unit
Only can operate all the air conditioners in the centralized controller network, not for
single air conditioner.
“ ” key long press: press this key for over 2 seconds then loose.
“ ” key short press: press this key and then loose within 2 seconds. According to
different states and operation ways of air conditions in the current
centralized, there are following situations:

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1) One or more air conditioners under ON state (include timing process of timing ON
and OFF)
“ ” key only has short press function.
Only send the OFF order to the air conditioners with ON state, not for OFF state units. Activate
the power off memory function, to record the current operating state of all air
conditioners.
²) All the air conditioners in the centralized controller network are OFF states
1-“ ” key short press
The centralized controller reads the power off memory contents, and sends relative
order to all air conditioners.
2-“ ” key long press
a) If the current is under setting interface and the setting mode is not OFF, then the
centralized controller will accord to the setting mode, fan speed, setting temperature etc. to
send orders to all air conditioners.
b) If the current is under setting interface but the setting mode is OFF state or under
other interfaces, the centralized controller will send the default ON order to all air conditioners.
The default ON order is: cooling mode, high fan speed, setting temperature is 24ºC, operate
the swinging function.

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2.4 Instruction of electric control function
Keys of centralized controller

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2.4.1 Key operation instruction
1. Query key “ ”
Any time when you press the key, the selected operation mode is to query the operation
status of the air conditioner.
By default, the first in-service air conditioner will be queried.
2. Set key “ ”
In other display mode press the key “ ” to enter the setting mode.
By default, it is single settingˈ and the first in-service air conditioner is displayed.
In setting operation mode, press the key “ ” again, and the operation will be performed
for all air conditioners in the network. Press the key repeatedly to shift between single setting and
global setting.
→ Single → Global →
3. Mode key “ ”
In setting operation mode Press this key to set the operation.
→cooling → heating → Fan
only
→ off →
4. Fan key “ ”
In setting operation mode, press this key to set the fan of the indoor unit of the air conditioner
to run in the automatic, high, medium or low level of air.
→ auto → low → medium → high →
5. Time on key “ ”
In setting operation mode, press this key “ ” to set the timing startup of air conditioner;
Press the key “ ” again to exit the timing setting, and restore the normal temperature
regulation operation mode.
6. Time off key “ ”
In setting operation mode, press this key “ ” to set the timing shutdown of air conditioner,
Press the key “ ” again to exit the timing setting and restore the normal temperature
regulation operation mode.
7. Swing key “ǂǂ”
In setting operation mode, press this key “ ā to enable or disable the swing
function.
If all currently selected air conditioners have no swing function, no effect will result after
pressing the key.
8. Leftward key “ ”
In the main page, press the key “ ” to enter the query mode. By default, it is the first in-
service air conditioner.
In any other time, press this key “ ” will select the previous in-service air conditioner. In the
setting mode, if selected all the air conditioners to operate, this key “ ” is
invalid.
If it is on the first machine, press this key “ ” again, and shift to the last machine. If you hold
down this key, the address will decrease one by one.

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9. Rightward key “ ”
In the main page, press this key “ ” to enter the query mode. By default, it is the first
in-service air conditioner.
In any other time, press this key “ ” will select the next in-service air conditioner. In the
setting mode, if selected all the air conditioners to operate, this key “ ” is
invalid.
If it is on the last machine, press this key “ ” again, and shift to the first machine. If you
hold down this key “ ”, the address will increase one by one.
10. Downward key “ ”
In the main page, press this key “ ” to enter the query mode. By default, it is the first
in-service air conditioner.
In any other time, press this key “ ” will select the next corresponding position air
conditioner.
In the setting mode, if selected all the air conditioners to operate, this key “ ” is
invalid.
If it is on the last row, press this key “ ” again, and shift to the first row
corresponding air conditioner.
If you hold down this key “ ”, the row will increase one by one.
11. Upward key “ ”
In the main page, press this key “ ” to enter the query mode. By default, it is the first
in-service air conditioner.
In any other time, press this key “ ” will select the previous corresponding position air
conditioner.
In the setting mode, if selected all the air conditioners to operate, this key “ ” is
invalid. If it is on the first row, press this key “ ” again, and shift to the last row
corresponding air conditioner.
If you hold down this key “ ”, the row will decrease one by one.
12. Add key “ ”
1) Query mode
Press this key “ ”, display the data of the last page.
If it is now in the last page, press the key “ ” again and the first page will be
displayed.
2) Setting operation mode
1-Temperature adjusting method
Press this key “ ”, the setting temperature will increase one degree.
If you hold down the key “ ”, the setting temperature will increase one by one.
When reached the highest allowed set temperature, it cannot increase.
2-Timing on or timing off setting method
Press this key “ ”, it will select the next setting time.
If you hold down the key “ ”, the next data will be selected one by one. When reached the
max. allowed setting time, it cannot increase.
he is timing setting change mode is as follow:

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13. Reduce key “ ”
1) Query mode
Press this “ ” key, display the data of the previous page.
If it is now in the first page, press the key “ ” again and the last page will be
displayed.
2) Setting operation mode
1-Temperature adjusting method
Press this key “ ”, the setting temperature will decrease one degree.
If you hold down the key “ ”, the setting temperature will decrease one by one. When
reached the lowest allowed set temperature, it cannot decrease.
2-Timing on or timing off setting method
Press this key “ ”, it will select the next setting time.
If you hold down the key “ ”, the next data will be selected one by one. When reached
the min allowed setting time, it cannot decrease.
The timing setting change mode is as follow:
14. ON/OFF key “ ”
Any time when you press the key “ ”, the centralized startup/shutdown operation is
performed for all current in-service air conditioners in the centralized controller network.
Detailed operation refers to P12.
15. Confirmation key “ ”
In the setting mode, press the key “ ” to send the currently selected mode status and
the auxiliary function status to the selected air conditioner.
Detailed operation refers to P12.
16. Reset key “ ”
Anytime when the reset key “ ” is pressed, the centralized controller will reset. The
result is the same as the result of restoring power-on after power failure.
17. Lock key “ ”
Anytime when this key “ ” is pressed, the selected air conditioner can be locked or
unlocked.
Detailed operation refers to P11.

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Pantalla completa LCD
Fig. 2.3