Kaysun KCCHT-05 MODBUS User manual

OWNER'S MANUAL
Thank you very much for purchasing our product.
Before using your unit, please read this manual carefully and keep it for future
reference.
KCCHT-05 MODBUS

● 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 wire controller,
please read this manual carefully before using the unit.
● For convenience of future reference, keep this
manual after reading it.

4
Contents
1 Safety Precautions ....................................................1
2 Overview of Wired Controller.....................................3
3 Menu Operations.......................................................5
4 Installation Manual...................................................25
5 Failure Information and Code..................................37
6 Attached Table About Modbus ................................41

4 1
1 Safety Precautions
The product and Operation and Installation Instructions record the
following content, including the operation method, how to prevent
harms to others and property losses, and how to use the product
correctly and safely. Read the text after understanding the content
(identification and marker maps) below carefully, and observe the
precautions below.
!
Caution
Read the safety precautions carefully prior to installation.
The important safety precautions are provided below and must be observed.
Meanings of marks:
!
Caution Means improper handling may lead to personal injuries or material
damages.
!
Warning Means improper handling may lead to death or serious injury.
After the installation work is completed, conrm that the trial operation is normal
and hand over the manual to the customer for keeping.
[Note]: So-called "injuries" mean the harms not requiring hospitalization
or long-term treatment, generally referring to wounds, burns, or electric
shocks. Material damages refer to property and material losses.

2
1 Safety Precautions
Icon Name
It indicates "prohibited". The specific content of prohibition is
provided using graphics or text in the icon or nearby.
It indicates "mandatory". The specific mandatory content is
provided using graphics or text in the icon or nearby.
!
Warning
Entrusted
installation
Entrust your distributor or a professional to install
the product. The installation operator must have
acquired the relevant professional knowledge.
In case of independent installation, wrong operations
will lead to a re, electric shock, or injury.
Caution
in Use
Prohibited Do not spray combustible spray to the wired
controller directly; otherwise a re may be caused.
Prohibited
Do not perform operations with a wet hand or allow
water to enter the wired controller; otherwise the
wired controller will be damaged.
Caution
Do not install the product at a place where flammable gas easily leaks.
Once ammable gas leaks and stays around the wired controller, a re may
be caused.

2 3
2 Overview of Wired Controller
Enter the menu
structure from
the home page
ON/OFF
Turn on or off the
space operation
mode
Navigate the
cursor on the
display/navigate
in the menu
structure/ adjust
the settings
Come back to
the up level
MENU
MENU
BACK
OK
ON/OFF
UNLOCK
(LONG PRESS)
UNLOCK
(LONG PRESS)
Long press
for unlocking /
locking the
controller
Go to the next step when
programming a schedule in
the menu structure / conrm
a selection/enter a submenu
in the menu structure
BACK
OK

4
2 Overview of Wired Controller
20/11/2017
16
10:35 A
Tws
Tw
55
C
55
C
E1
60%
45%
T5 55
C
60%
45%
MON
ONLINE
UNITES
ON COOL
ERROR
TIMER ONWEEKLY TIMER ON
Units
operating Set temperature Tw
Current temperature Tw
Current ERROR
Current temperature T5
Lock icon
Silent mode on
Centralized control
access of network
Anti-freezing or
manual defrost on
External electric
heater on
Timer
icon
Number of parallel units
Heating mode
Cooling mode
Alarm
Icon
WEEKLY
TIME icon
Compressor operating
usage rate
Compressor
operating
Fan operating
usage rate
Water
pump on
Fan on

4 5
3 Menu Operations
3.1 Unlocking/Locking
Operation
3.3 Setting Mode
3.2 Power-on/o󰀨
When the wired controller is locked, press and
hold the "UNLOCK" button for 3s to unlock it,
when " " is not displayed; in the unlocked
status, press and hold the "UNLOCK" button
for 2s to lock it, when " " is displayed and
the wired controller cannot be operated; when
there is no operation for continuous 60s on
any page, the wired controller returns to the
home page and is locked automatically, and
the locking icon is displayed.
In Unlock mode, press the "MENU" button
to enter the menu setting interface, press
the "▼" and "▲" buttons to select "MODE"
and set a mode, and press the "OK" button
as shown in the above gure to access the
submenu (mode setting). As shown below:
Three modes available.
a. Cooling mode
When the wired controller is unlocked and
the unit is on, "ON/OFF" can be pressed
to power off the unit under the home page
only; when the unit is off, press "ON/OFF"
to power on the unit. The mode can be
switched under the power-off mode only.
MON
20/11/2017
ON
ONLINE
UNITES
16
10:35 A
COOL Tws
Tw
7
C
25
C
60%
45%
MON
20/11/2017
10:35 A
COOL Tws 7
C
Tw 25
C
b. Heating mode
MON
20/11/2017
10:35 A
Tws
Tw
55
C
25
C
HEAT

6
When the current mode button is selected
(blinking), press "◄" and "►" to set a mode
or temperature, and then press "▼" and
"▲" to adjust the mode and set temperature
value. After setting, press the "OK" button
to save the setting and go back to the home
page; or press the "BACK" button to go
back to the previous interface; if there is no
subsequent operation in 60s, the setting is
saved automatically, and the system returns
to the home page.
3.4 User Menu
Select "USER MENU" to enter the user
menu. The interface display is as follows:
USER MENU
QUERY
TIMER
SILENCE SWITCH
DOUBLE SETPOINT
1/2
ok
QUERY
USER MENU
TEMPERATURE COPENSATION
HEATER CONTROL(DISABLE)
HOT WATER SWITCH(DISABLE)
2/2
ok
TEMPERATURE COPENSATION
Select "QUERY" in the "USER MENU"
interface to access the query function.
The interface display and operation are as
follows:
The user rst uses the "▼" and "▲" buttons
to select the address of module to view (the
offline address is skipped automatically).
Press the "OK" button to access the next
submenu or press "BACK" to go back to the
previous interface; during operation on the
menu page, press "BACK" to go back to the
previous interface. After entry, the interface
is displayed as follows: