Kaysun KCCT-64 I (B) Quick start guide

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

CONTENT
1 Installation part......................................................................................1
1.1 Packing list and installation components .................................... 2
1.2 Installation instructions ................................................................. 3
1.3 Installation methods....................................................................... 4
1.4 Safety precautions.......................................................................... 6
1.5 System wiring instruction.............................................................. 7
2 Operation part........................................................................................8
2.1 Function instructions ..................................................................... 9
2.2 Operation conditions...................................................................... 9
2.3 Key words........................................................................................ 9
2.3.1 Status indication...................................................................... 9
2.3.2 Power on or reset ................................................................... 10
2.3.3 Emergency stop and forced on............................................. 10
2.3.4 Various locking ....................................................................... 11
2.3.5 ON and OFF............................................................................. 12
2.4 Operation instructions .................................................................. 14
2.4.1 Keys instructions ................................................................... 15
2.4.2 LCD instructions..................................................................... 19
2.4.3 Other instructions .................................................................. 22
2.4.4 Error code table ...................................................................... 24
2.5 Technical index and requirements............................................... 25

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INSTALLATION PART

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1.1 Packing list and installation components
1. Please check the packing list of the centralized controller,whether the components are
complete.
2. Installation assemblies prepared on the site
No. Name Quantity Remarks
1 Centralized controller 1
2Cross-recessed head tapping
screws 6 GB845/ST3.9*25-C-H(S)
3 Fastening plastic expansion pipe 6 Φ6*30
4 Installation & Operation Manual 1
5 Matching resistance 4 120 Ω
No. Name
Quantity
(install into
wall)
Selected model Remarks
13-core control
shielded cable 2 PCS RVVP-300/300 3×0.75mm2
One for communicating with
the air conditioner; the other
for communicating with the
computer.
2 3-core cable 1 PCS RVV-300/500 3×1.5mm2For power supply of the
centralized controller
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)

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1.2 Installation instructions
Installation instructions
1) Connect 220VAC power to the L、N terminals of the centralized controller directly.
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 wire 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 block.
5) After the centralized controller is connected, do not use megohmmeter to inspect the
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 the signal wires,the same to the RS485-RS232 of the centralized controller.
Correct connection Incorrect connection
Incorrect connection Incorrect connection

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1.3 Installation methods
KCCT-64 I (B-A)
Fig.1.1 Centralized controller size (unit: mm)
~00 ~ 15
ON
123
Insert the athead 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/ST3.9*25)
Base Dial code
Address dial code
Front cover
Dial code position
Fig. 1.2 Installation diagram
Address range

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L N
Forced on
switch
FORCED ON EMG.STOP
Emergency
stop switch
Reserved
Communication terminal with air conditioner
Fig.1.3 Terminal instruction of centralized controller
L、N terminals
(198V~242V)/(50/60Hz)

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1.4 Safety precautions
■ Safetyprecautions
Warning
Note
! 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:
! Upon completion of the installation, check whether the trial run is normal, and deliver the
user's manual to the user.
Warning Means improper handling may lead to personal injury or property loss.
Note Means improper handling may lead to personal death or severe injury.
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 re.
Adhere to this installation manual. Improper installation may lead to electric shock or re.
Reinstallation must be performed by professionals. Improper installation may lead to electric shock
or re.
Do not uninstall the equipment without permission. Unauthorized uninstalling may lead to abnormal
operation, he ating or re of the air conditioner.
Do not install the equipment in a place vulnerable to leakage of flammable gases. Once
ammable gases are leaked and left around the centralized controller, re may occur.
The wiring shall adapt to the current of the centralized controller. Otherwise electric leakage or
heating may occur and result in re.

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1.5 System wiring instruction.
System wiring diagram of centralized controller and indoor unit of air conditioner.
Both of the follo wing wiring modes of centralized controller and indoor unit are applicable: (The
number of indoor units connected with each centralized controller is not beyond 64)
Outdoor unit n
n≤8
Indoor unit 1 Indoor unit 2 Indoor unit n3
Indoor unit 1 Indoor unit 2 Indoor unit n2
Indoor unit 1 Indoor unit 2 Indoor unit n1
Up to 64 indoor units.
The addr. of indoor
units should be
different.
Centralized controller connect to outdoor unit
Outdoor unit 2
PQE
PQE
PQE
Outdoor unit 1
Fig.1.5 Wiring diagram of centralized controller
Indoor unit 1 Indoor unit 2
Centralized controller connect to indoor unit
Indoor unit n
n≤64
X Y E
X Y E
X Y E
X Y E
X Y E
X Y E X Y E X Y E

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OPERATION PART

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2.1 Function instructions
2.2 Operation conditions
2.3 Key words
1. For the new series product, we can connect the indoor CCM controller via XYE port of master
outdoor unit of every refrigerant system. Notice that in this case, the outdoor unit must be set to
automatic serching address mode. And it will be effective after about 6 minutes.
2. To connect indoor CCM controller via XYE port of indoor unit, this wiring method is suitable for
all type of indoor units, not just for new indoor units.
3. When new indoor units and old indoor units mix connect to one refrigerant system, we can only
use centralized controller to control old generation IDUs via their own XYE port or control the
new geration IDUs via master ODU's XYE port. We can't control all of them.
4. If one system that connect to indoor CCM controller include 10 HP or above duct indoor unit,we
recommend you set the address of every indoor unit manually.
1. Power and voltage range:
Input voltage: single phase 198V~242V;
AC input power frequency: 50Hz/60Hz;
2. Operating environment temperature: -15℃ ~+43℃;
3. Operating environment humidity: RH40%~RH90%.
2.3.1 State indication
1. LED for state indication
1) Normal state
①On
The LED will be on when any one of the following occur:
a) In thhe 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 conditioners,the LED will be on. When centralized controller
nishes sending,the LED will be off.
②Off
The air conditioners in the centralized controller network are all under off status.
2) Abnormal state
If the air conditioners in the centralized controller network are error or the controller
network is error, the LED will ash as 2 Hz.

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2. Backlight
The backlight will be on by pressing any key except“ ”,when the backlight is off.
The backlight will be on,when centralized controller is operating,
The backlight will be off, if no key is pressed over 30s.
3. Buzzer
When the backlight is on and the centralized controller keys are un-lock, any key (except
for the ) is pressed ,the centralized controller will carry on relative function, the buzzer will
buzz once . If this key has long press function, the centralized controller will carry on the relative
functin, but the buzzer will buzz once only.
When the backlight is off, any key (except for key) is pressed, only the backlight is lighted
on, the centralized controller will not operate the key, and the buzzer will not buzz.
2.3.2 Power on or reset
2.3.3 Emergency stop and forced on
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 rst page, and searches the in-service air conditioners
in the network.
Once the search is nished, the centralized controller enters the mode setting page, and sets
the rst in-service air conditioner by default.
When the emergent stop switch of the centralized controller is connected,all the air
conditioners in the centralized controller network will be shut down compulsorily,and the LED
ashes as 0.5Hz.The centralized controller and computer and all functional modules are disabled
from startup and shutdown until the emergent stop switch is break. When the forced on switch
of the centralized controller is connected, all air conditioners in the nerwork 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 break.
If the foregoing two switches are connected concurrently, the emergent stop switch shall have
preference.

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2.3.4 Various locking
1. Centralized controller locking
The centralized controller locking state will be recorded when powered off. It won’t dismiss when
re-power on until receiving the unlocking order.
1) Effect
①When 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.
②When the centralized controller is under locking state, all the air conditioners in the
centralized controller network will be remote controller locked.
2) Operation
①Locking
The centralized controller can be locked by the computer only.
②Unlocking
a) When the centralized controller and computer communicate normally
The centralized controller can be unlocked by the computer only. When the centralized
controller is unlocked, the controller will send order to unlock the remote controller locking of all
the air conditioners.
b) When the centralized controller and computer communicate abnormally
When the centralized controller is locking, the centralized controller can be unlocked by the
way that press “ ” key and hold on, then press “ ” (It should operate within one minute after
centralized controller is re-powered on or the “ ” is pressed). The remote controller locking of
the air conditioner is remained.
2. Remote controller locking
1) Effect
①When the air conditioner is under remote controller locking state, it will not receive the
remote signals from remote controller or wire controller, until unlocking.
②The air conditioner can be operated by the centralized controller.
2) Operation
①Can lock or unlock through the computer.
②Can 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 there’s no remote controller locking, press the key to lock.

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3. Mode locking
1) Effect
Under mode locking state, through centralized controller to operate the air conditioner, only can
choose the mode which has not conict 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.
①Can lock or unlock through the computer.
②Can operate by centralized controller.
In the centralized controller setting interface, choose all the air conditioners of the centralized
controller network as the object, 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 there’s no mode locking, press the key to lock.
4. Centralized controller key locking and unlocking
1) Effect
When centralized controller keys are locked, keys operation is invalid except “ ” key and
unlock keys.
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 turns off, the keys will be locked automatically. Press any key to light the
backlight rst. Secondly, press “ ” key and hold on, press “ ” key to unlock keys. Then operation
to the controller is enabled.
The backlight will turn off and the keys will be locked automatically if there’s no operation
within 30 seconds.
2.3.5 ON and OFF operation
Use the “ ” key or “ ” 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 conict, it will auto adjust to the next mode without conict; if all the modes have conict,
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. Press “ ” key to choose a single air conditioner or all the airconditioners
in the centralized controller network. If choose a single air conditioner, then use “ ”, “ ”, “ ”, and
“ ” to choose the air conditioner.
2) Use “ ”, “ ”, “ ”, and “ ” to set the operating mode and operating parameters,such as fan
speed, setting temperature etc.
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 tbe sent to the air conditioner, and the current operation of the air
conditioner is not affected (except locking operation)

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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:
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.
The memory function is activated, the current state of all air conditioners is memorized.
2) All the air conditioners in the centralized controller network are OFF states
①“ ” key short press
The centralized controller reads the memory contents, and sends relative order to all air
conditioners.
②“ ” key long press
a) If current page is setting parameters, and the setting mode is not OFF, the centralized
controller will send orders to all air conditioners according to parameters, such as setting mode, fan
speed, setting temperature, etc.
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 24℃ or 76 ℉, operate
the swinging function.

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2.4 Instruction of electric control function
Keys of centralized controller
Fig.2.2 Keys of centralized controller
Enter the air conditioner seting page to shift between singlemachine seting and global seting.
Enter the air conditioner query pages.
1. In the setting page, press the “lock” key to lock or unlock the remote controller. 2. In the unified setting page, press the “Up” key and hold on then press the “Lock” key to lock or unlock the mode. 3. After pressing the “Query” key and hold on, press the “Lock” key to lock or unlock the keypad of the centralized controller.
1. “Up” and “Down” keys: For selecting rows. 2. “Left’ and ”Right” keys: For selecting columns.
In the setting page, press the “OK” key to send the setting information except the locking signal to the air conditioner.
In the setting page, shift to the timing startup/shutdown setting page.
press the “Reset”key five seconds to reset the
centralized
controller
In the setting page, set the operation mode of the air conditioner.
1ǃIn the setting page, set the temperatureˈincrease or decrease the time of timing on/off. 2ǃIn the query page ,scroll page of the parameters being queried.
In the setting pageswing function is enabled or disabled
In the setting page, shift to the timing startup/shutdown setting page to set the air speed of the air conditioner
OK TIME ON SET QUERY
On/Off the unit
RESET TIME OFF
MODE
FAN
SWING INC
LOCK DEC

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2.4.1 Key operaion 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 rst 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 setting, and the rst 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 →
→ cooling → heating → Fan only → off →
→ auto → low → medium → high →
3. Mode key “ ”
In setting operation mode，Press this key to set the operation.
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.
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 “ ”
In setting operation mode, press this key “ ” 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 query mode, if this key is pressed, the operation status data of the previous air
conditioner will be displayed. If it is currently on the rst machine, the data of the last
machine will be displayed,when the key is pressed . If you hold down this key, the
address will decrease one by one.
In the setting mode, if it is in single operation mode, the air conditioner of the previous
in-service address number will be selected,when this key is pressed, If it is in the global
operation mode, no effect will result when this key is pressed.
In the main page , press the key to enter the query mode. By default, it is the rst in-
service air conditioner.

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9. Rightward key “ ”
In the query mode, when the key is pressed, the next in-service air conditioner
is selected,and its operation status data will be displayed.If it is currently on the last air
conditioner, the rst one is selected and its data displays, when the key is pressed. If this key
is hold down long, the address will increase one by one.
In the setting mode, if it is in the single operation mode, when the key is pressed, the
next in-service air conditioner will be selected. If it is in the global operation mode, no effect
will result when the key is pressed.
In the main page, press the key to enter the query mode. By default, it is the rst in-
service air conditioner.
10. Downward key “ ”
In the main page, press this key “ ” to enter the query mode. By default, it is the rst in-
service air conditioner.
In any other time, press this key “ ” will select the next row corresponding position air
conditioner.
In the setting mode, if the global operation mode is selected, this key “ ” is invalid. If it
is on the last row, press this key “ ” again to shift to the rst row air conditioner. If this key “ ”
is hold down long, 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 rst 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 rst 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 rst page will be displayed.
2) Setting operation mode
①Temperature 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 can not increase.
②Timing 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 can not increase.
The timing seting change mode is as follow:
0. .01.5
51.0
10 9. .5 8. .5 7. .5 6.0
5.55.04.54.03.53.02.5
14
13 12 11 9.5
19 21 22 23 24
0.0
15 16 17 18 20
2
6
0
7
080

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13. Reduce key “ ”
1) Query mode
Pr ess 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
①Temperature 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 can not decrease.
②Timing 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 can not decrease.
The timing seting change mode is as follow:
23 202122
7. .0 8. .0 9. 2
13141516171819
5.0
5. .0 6. .5
2. .5 1. .5 0.0
24
4. .0 3. .0 2.0
6
5 5 0785951011 12
5453510 0
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. Conrmation 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 “ ”
Any time 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 “ ”
Any time when this key “ ” is pressed, the selected air conditioner can be locked or
unlocked.
Detailed operation refers to P11.

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