Group controller WC150 IOM

Thank you very much for purchasing our product.
Before using your unit, please read this manual carefully and keep it for future reference.
MODEL: KJR-150A/M-E
GROUP CONTROLLER
INSTALLATION AND OPERATION MANUAL
MDV13IU-004CW
202055100991
1. SAFETY PRECAUTION
WARNING
CAUTION
Means improper handling may lead to personal death or
severe injury.
Means improper handling may lead to personal injury or
property loss.
WARNING
CAUTION
WARNING
Please entrust the distributor or professionals to install the unit.
Installation by other persons may lead to imperfect installation, electric shock or fire.
Strictly follow this 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.
Do not disassemble your air conditioner at will.
A random disassembly may cause abnormal operation or heating, which may result in fire.
Do not install the unit in a place vulnerable to leakage of flammable gases.
Once flammable gases are leaked and left around the group controller, fire may occure.
The wiring should adapt to the group 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.
▀
Read the safety precautions carefully before installing the unit.
▀
Stated below are important safety issues that must be obeyed.
▀
Conform there is no abnormal phenomena during test operation after complete, then
hand the manual to the user.
▀
Meaning of marks:
2. OTHER PRECAUTIONS
▀
Installation Location
Do not install the unit in a place with much oil, steam, sulfide gas. Otherwise, the product may
deform and fail.
2.1 Preparation before installation
2.1.1 Check whether the following assemblies are complete.
2.2.2 Prepare the following assemblies on the site.
Group Controller
KJR-150A/M-E
ST3.9×25 (For Mounting the cover and base)
1
2
3
4
1
5
Plastic expanded tube
Cross recess head
self-tapping screw
4
4
4
1
NO.
Cross recess round
head wood screw
Name Qty. Remarks
M4×20 (For Mounting on the wall)
(For Mounting on the wall)
Group controller Installation
and operation manul
1) Do not connect the RS485 communication wire with the strong electric circuit, and also
can not place in the same wiring conduct; the distance between the communication wiring
conduct and the strong electric circuit should be over 300～500mm.
2) Ground the connecting shielding wire of the Group controller reliably.
3) Do not make transition connection or lengthening connection among the connecting wire of
Group controller.
4) After finishing connection, do not use Megger to have the insulation check to the signal wire.
Installation Notice
1
2
3
1
2
Specification
( Only for reference )
Power line
Electrical appliance
used for group controller
RVVP Series
One for network connector module
communication the other for computer
communication
AC220V 2*1.5mm²
Input power AC220V
Sepcification AC220V Max.current ＜3.15A
Wiring conduit
Insulated sleeve
1
4
1
5
Use for installing cross recess head screw
1
Use for installing the signal wire
Small slotted screw
driver
6
6
Shielded 3-core
PE cable
Pre-embed into wall
NO.
Name
Qty
Remark
Big cross Screwdriver
1
6
Matching resistance
2
3. INSTALLATION METHOD
Group controller main control panel
Group controller cover
Group controller base
Use electric drill to drill four holes with φ6mm
and depth are 30mm, and then put the plastic
expanded tube into the holes.
Fix the base at the holes,
and use the cross screwdriver
to screw the cross recessed pan
head tapping screws into the
plastic expanded tube,and fix the base.
4. SYSTEM WIRING SPECIFICATION
Wiring diagram between Group controller and Indoor units.
The following two methods are accepted: (N≤16)
Group controller
Indoor unit
One Group controller is only allowed to connect 16 indoor units at most.
Group controller
Power Input: 220VAC
Indoor unit Indoor unit Indoor unit
Indoor unit
1#
2# 3#
4#
N# (N
≤16 )
Indoor unit
Indoor unit Indoor unit Indoor unit
Indoor unit
1#
2# 3#
4#
N# (N
≤16 )
X Y E
X Y E X Y E
X Y E
X Y E
X Y E
X Y E
X Y E
X Y E
X Y E
X1 Y1 E
CN6
X1 Y1 E
CN6
Group controller
To old display board
To new display board
Self-furnish power
strips 2*1.5mm²
SW1 Function
1 2 3
SW1
ON
1-ON:means old display board 
1-OFF:means new display board
1 2 3
SW1
ON
1 2 3
SW1
ON
2-OFF & 3-OFF :means shutting
down the unit to "stop cold air"
at 15℃.
1 2 3
SW1
ON
2-OFF & 3-ON :means shutting
down the unit to "stop cold air"
at 20℃.
2-ON & 3-OFF :means shutting
down the unit to "stop cold air"
at 24℃.
2-ON & 3-ON :means shutting
down the unit to "stop cold air"
at 26℃.
TO INDOOR COMM. BUS
(X Y E)
Reserved port
1 2 3
SW1
ON
SW1
NOTE
NOTE
1. When selecting Old Display Board, please dial the first bit of SW1 to ON;
When selecting New Display Board, please dial the first bit of SW1 to OFF.
2. In the group, anti-cold air switches of all the indoor units have to be the same with the
group controller’s, or some displays about this will be wrong.
3. One Group controller is only allowed to connect most of 16 indoor units.
4. When the Centralized controller is needed, you have to connect the centralized controller
from the X,Y,E port of outdoor unit.
5. Only with the corresponding units Group controller could work.
6. Power part and the communication ports (as follow display):
5. GROUP CONTROLLER SYSTEM WIRING DIAGRAM
Y1
X1
To Indoor unit
To CCM
KJR-150A/M-E
1#
Y1
X1
To Indoor unit
To CCM
KJR-150A/M-E
2#
Y1 X1
To Indoor unit
To CC M
E Y X
E Y X
E Y X
E Y X
E Y X
E Y X
E Y X
E Y X
E Y X
E Y X
E Y X
E Y X
V4+ indoor unit(1#)
N# (N
≤16 )
N# (N
≤16 )
N# (N
≤16 )
R120Ω
R120Ω
R120Ω
R120Ω
R120Ω
R120Ω
E
E
KJR-150A/M-E
N#
V4+ indoor unit (2#)
V4+ indoor unit (3#)
V4+ indoor unit (1#)
V4+ indoor unit (2#)
V4+ indoor unit (3#)
V4+ indoor unit (1#)
V4+ indoor unit (2#)
V4+ indoor unit (3#)
POWER
C en t r a l i z e d c on t r o l l e r
XYE
XYE
V4+ Outdoor Unit
E
PQE
PQE
PQE
PQE
PQE
PQE
PQE
PQE
6.1 Group controller model and main parameters
6.2 Group controller function summary
Model
Input voltage
Environment temperature
AC 198V ～ 242V
KJR-150A/M-E
-5~43℃
RH40%~RH90%
EMC、EMI meet the CCC certification request
GB4706.32-2004
Certification requirement
Appliance safety standard
Main functions as following:
1. Connect the indoor unit through X1 Y1 E three terminals.
2. Group controller could control a group of indoor units by remote or wire controller.
3. With the check switch of display board, Group controller could query the
running state of every unit in the group.
4. LED indication function.
6.3 Group controller operation indication
When connected to Group controller as a group, the indoor units could be controlled
simultaneously by the remote or wire controller connected with Group controller and
enter to unique running state with the group controller. But also,the indoor units could
be controlled separately by their standard controller.
6.4 Group controller fault indication
when one or more indoor units in the group have errors, the group controller
will alarm the error and other normal indoor units will not be affected.
Environment humidity
6. OPERATION METHOD
Caution
Communication singal in CN6(X1 Y1 E) is Low voltage signal.
Do not apply high voltage, or breakdown will occur and even cause fire.
L N
220VAC
To the group of Indoor units
COMM. BUS
(X Y E)
X1 Y1 E
CN6
Check
Wire controller
Remote controller
Group Controller
Display Board
7. FAILURE DISPLAY
Table 7.1 New display board (with nixie tube ) error code definition
Error
Nixie tube display
Communication error between indoor
unit and outdoor unit
Indoor temp. sensor error
Indoor evaporator outlet temp. sensor error
Indoor evaporator middle part temp. sensor error
CO2 alarm（Reserved）
Outdoor unit error
Water level alarm error
EEPROM error（Reserved）
Mode conflict
Communication error between Grouped
controller and indoor unit
E2
E4
E3
E5
Ed
EE
E7
E0
E1
EH
Error LED display
Communication error between indoor
unit and outdoor unit
Indoor temp. sensor error
Indoor evaporator outlet temp. sensor error
Indoor evaporator middle part temp. sensor error
CO2 alarm（Reserved）
Outdoor unit error
Water level alarm error
EEPROM error（Reserved）
Mode conflict
Communication error between Grouped
controller and indoor unit
Running lamp flashes 5HZ
Running lamp flashes 5HZ
Running lamp flashes 5HZ
Alarm lamp flashes slowly 1HZ
Alarm lamp flashes slowly 1HZ
Alarm lamp flashes slowly 5HZ
Defrosting lamp flashes fast 5HZ
Defrosting lamp flashes slowly 1HZ
Timer lamp flashes 5HZ
Alarm lamp flashes
Table 7.2 Old display panel（without nixie tube ）failure indication
■ Check contents
Under normal conditions, display panel will display running status of the first indoor unit being
inquired by the grouped controller, long press check button for more than 3s to swift, and will display
panel will display the current indoor unit address, at this time, long press check button for more than
3s again, the display board will display the next indoor unit address; if don’t press check button in 4s,
current display content will swift to the check content when indoor unit check times is 0.
8. NEW DISPLAY BOARD CHECK CONTENTS
Table 8.1 New display panel check contents
Times
0
1
2
3
4
5
6
7
8
9
10
11
Contents
2.1 Display contents according to 2.1
Communication address between indoor and outdoor unit
Indoor unit capacity dial code
Qty. of Online indoor units
Indoor unit network address
Temp. set
Indoor unit temp.
Indoor unit temp.
Indoor evaporator middle part temp.
Indoor evaporator outlet temp.
Last error (no error display E-)
--
Times
0
1
2
3
Contents
2.2 Display contents according to 2.1
Communication address between indoor and outdoor unit
Qty. of Online indoor unit
Capacity of indoor unit
No response of buzzer
No response of buzzer
buzzer responds
buzzer responds
LED lamp status
Constantly lights
flashes
Constantly lights
flashes
Communication address between
indoor unit and outdoor unit
00—15
16—31
32—47
48—63
9. OLD DISPLAY BOARD CHECK CONTENTS
Table 9.1 Old display panel check contents
Table 9.2 Instruction table about corresponding LED lamp status of a certain communication address