Johnson Controls DWUNI User manual

Lit 12012504
DWUNI
User Manual
DWUNI
Wired Controller
Thank you for choosing the DWUNI Wired Controller. Please read this
user manual carefully before operation and retain it for future reference.

User Notices
For correct installation and operation, please read all instructions carefully. Before
reading the instructions, please be aware of the following items:
(1) It is prohibited to install the wired controller at wet places or direct sunlight.
(2) Do not frequently disassemble the wired controller.
(3) Do not operate the wired controller with wet hands.
(4) Do not remove or install the wired controller by yourself.
(5) The wired controller is a generic model, applicable for several kinds of units.
Some functions of the wired controller are not available for certain kinds of units, for
more details please refer to the owner’s manual of unit. The setting of
unavailable will not affect unit’s operation.
(6) The wired controller is universal. The remote receiver is either in the indoor unit
or in the wired controller. Please refer to the specific models.

1 Display..................................................................................... 1
1.1 Appearance................................................................................ 1
1.2 Instructions for Related Displayed Symbols ...............................2
2 Buttons .................................................................................... 3
2.1 Button Graphics......................................................................... 3
2.2 Function Instructions of Buttons.................................................3
3 Operation Instructions.............................................................. 3
3.1 Menu Structure........................................................................... 3
3.2 On/Off........................................................................................ 5
3.3 Mode Setting.............................................................................. 5
3.4 Temperature Setting...................................................................5
3.5 Fan Setting ................................................................................ 5
3.6 SWING (Louver)Setting............................................................. 6
3.7 Functions Setting.......................................................................8
3.8 Unit Status View....................................................................... 12
3.9 Current Error View ...................................................................13
3.10 Timer Setting.......................................................................... 15
3.11 Clock Setting.......................................................................... 20
3.12 Lock Setting........................................................................... 21
4 Installation Instructions .......................................................... 22
4.1 Parts andDimensionsofWired Controller ...............................22
4.2 Installation Requirements......................................................... 23
4.3 Installation Methods.................................................................23
4.4 Disassembly ............................................................................ 24
Contents 

Wired Controller DWUNI User Manual
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1 Display
1.1 Appearance
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Fig.1 Appearance of wired controller

Wired Controller DWUNI User Manual
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1.2 Instructions for Related Displayed Symbols
No. Symbols Instructions
1 Up and down louver function
2 Left and right louver function
3 Fresh air function
4 Sleep function
5 Auto mode
6 Cooling mode
7 Dry mode
8 Fan mode
9 Heating mode
10 Health function
11 I-Demand function
12 Absence function
13 Shielding status (Buttons, temperature, ON/OFF, mode or energy saving is
shielded by remote monitor)
14 Current set fan speed
15 Memory function (Memory in power failure)
16
Save function
17
X-fan function
18
Remind to clean the filter
19
Timer on status
20
Gate card pulled-off status or nobody presented status
21
Quiet function
22
23 Function lock
DRED function

Wired Controller DWUNI User Manual
2 Buttons
2.1 Button Graphics
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Fig. 2 Button graphics
2.2 Function Instructions of Buttons
No. Button name Button Function
1FAN
Set low speed, medium speed,high speed, turbo and auto speed.
2ġ(1) Set temperature
(2) Set parameter
(3) Move option cursor
6Ģ
3 ON/OFF/BACK (1) Turn on or turn off unit
(2) Return to last page
4SWING Set up&down SWING (louver) and set left&right louver
5˘(1) Set related function on or off
(2) Move option cursor
(3) Set parameter
8˚
7MENU/OK
(1) Enter menu page
(2) Confirm setting
9
10
MODE Set auto, cooling, dry, fan and heating modes for indoor unit.
3 Operation Instructions
3.1 Menu Structure
Normal setting of wired controller can be set directly on the main page,
including fan speed, SWING (louver),set temperature, mode, ON/OFF. The
setting and status view of other functions can be set in corresponding sub-
menu. Detailed menu structure is as shown in Fig. 3.
3
12 3
456
10
978
Remote control
receiver window

Main menu
User function menu
Fresh air function setting
Sleep function setting
Health function setting
Absence function setting
I-DEMAND function setting
Memory function setting
Save function setting
Fixed-angle louver function setting
Auxiliary heat function setting
Dry function setting
Quiet function setting
Fahrenheit Temperature Setting
Air function setting
Timer setting menu
Once
Clock setting menu
Time format setting
Daily
Weekly timer
Two week timer
Countdown timer on
Countdown timer off
Clock setting
View function menu
Unit status view
Current error view
Function lock menu
Unit ON/OFF lock
Mode setting lock
Temperature setting lock
Fan speed setting lock
Key lock
Wired Controller DWUNI User Manual
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Fig. 3 Menu structure

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3.2 On/Off
When the wired control is on main page, press ON/OFF button to turn on the unit.
Press ON/OFF button again to turn off the unit. The interfaces of On/Off status are
shown in Fig. 4 and Fig. 5.
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Fig. 4 Off interface Fig. 5 On interface
3.3 Mode Setting
Under On status, pressing MODE button can set mode circularly as:
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Note: If save function is on, auto mode is not available.
COOLING DRY FAN HEATING
3.4 Temperature Setting
Under unit on status, pressing “ġ” or “Ģ” button on the main page increases or
decreases set temperature by 1(1ć); holding “ġ” or “Ģ” button increases or
decreases set temperature by 1(1ć) every 0.3s.
In cooling,dry,fan and heating mode,temperature setting range is 61~86
(16ć30ć). Under auto mode, set temperature cannot be adjusted.
AUTO
3.5 Fan Setting
Under On status, pressing FAN button can set fan speed circularly as:
LowĺMediumĺ+LghĺTurboĺ$utoĺLow
Symbols displayed are as shown in Fig. 6.
Fig. 6 Fan setting
TURBO AUTO

Wired Controller DWUNI User Manual
3.6 SWING (Louver)Setting
When unit is in ON status, press SWING button for louver setting. Two
louver modes are available: fixed-angle louver and simple louver.
. Up&down
When fixed-angle louver mode is set, louver operation is a follows:
When unit is in ON status, press SWING button to select
up&down louver. louver angle is adjusted as below:
ĺ ĺ ĺ ĺ ĺ ĺ closed ĺ
Select up&down and left&right louver by the “˘”or “ ”
button. Select left&right louver to adjust the louver angle as
follows:
ĺĺĺĺĺ ĺ closedĺ
Note:
ķ. Turn on fixed-angle louver mode in f function setting page;
ĸ. If fixed-angle louver is not available for the model, fixed-angle louver is
invalid when the wired controller turns on fixed-angle louver mode.
Simple louver mode: when fixed-angle louver mode is turned off, louver operation
is as below:
Pressing SWING button under unit on status, up&down louver frame occurs.
Press SWING button to turn on or off up&down louver. is displayed when
up&down louver is on and is not displayed when up&down louver is off. If
up&down louver frame does not disappear, press “ ” or “ ” button to switch to
left&right louver setting. Left&right louver frame occurs. Press SWING button to turn
on or off left&right louver. is displayed when left&right louver is on and is not
displayed when left&right louver is off. For detailed operation, please refer to Fig. 7.
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Wired Controller DWUNI User Manual
Fig. 7 Louver setting
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Fig. 8 Function settings
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Wired Controller DWUNI User Manual
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3.7.1 Sleep Function Setting
After entering user function page, press “∧” or “∨” button to select sleep function
and press “＜” or “＞” button to turn on or turn off sleep function with auto saving.
If this function is turned on, the unit will operate according to the preset sleep
curve to provide a comfortable sleep environment.
Note:
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function is canceled automatically after setting.
This function is only available in cooling mode.
When this function has been set, set temperature is displayed in 81℉(27ć). In
this case, temperature setting and fan speed setting are disabled.
This function is canceled when turning off the unit or switching modes. This
function and sleep function cannot be on simultaneously. If I-Demand function is
set first and then Sleep function is set, I-Demand function is canceled while Sleep
function is valid, and vice versa.
Note:If Fixed-angle swing function is not available for the connected unit, this
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Ɣ
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ƔThis function is only available in heating mode.
ƔWhen this function has been set, set temperature is displayed as 46℉(8℃)
( 46℉) . In this case, temperature setting and fan speed setting are disabled.
ƔThis function is canceled when switching modes.
ƔThis function and Sleep function cannot be on simultaneously. If Absence function
is set first and then Sleep function is set, Absence function is canceled while
Sleep function is valid, and vice versa.
3.7.5Memory Function Setting
After entering user function page, press “ġ” or “Ģ”button to select Memory function
and press “˘”or “ ”button to turn on or turn off Memory function with auto saving.
3.7.6Fixed-angle SWING (Louver) Mode Setting
3.7.4Absence Function Setting
After entering user function page, press “∧” or “∨” button to select Holiday function
option and press “＜” or “＞” button to turn on or turn off this function with auto saving.
This function is used to maintain indoor temperature so that unit can recover fast heating.
Note:
After entering user function page, press “ġ” or “Ģ”button to select Lock swing
function option and press “ ˘” or “˚” button to turn on or turn off this function with auto
saving.
3.7.2 Health Function Setting
After entering user function page, press “ġ” or “Ģ” button to select health function
and press “˘” or “˚”button to turn on or turn off health function with auto saving.
3.7.3I-DEMAND Function Setting
After entering user function page, press “ġ” or “Ģ”button to select IDEMAND
function option and press “ ˘” or “˚” button to turn on or turn off this function with auto
saving.
Note:
Wired Controller DWUNI User Manual
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3.7.7Save Function Setting
After entering user function page, press “ġ” or “Ģ” button to select save function
and press “˘” or “˚” button to turn on or turn off save function. Press MENU button to
enter save function setting page.
After entering save function setting page, press “˘” or “˚” button to select
cooling or heating temperature limits. After selecting cooling or heating temperature
limits, press “ġ” or “Ģ” button to adjust temperature limits value. After setting, press
MENU button to save the setting.
Note: When save function has been set, auto mode cannot be set.
3.7.8Auxiliary Heating Function Setting
After entering User Function page, press “ġ” or “Ģ” button to select Auxiliary
Heating function and press “˘” or “˚” button to turn on or turn off this function with
auto saving.
3.7.9X-fan Function Setting
After entering User Function page, press “ġ” or “Ģ”button to select Dry function
option and press “˘” or “˚” button to turn on or turn off this function with auto saving.
Note:
This function is only available in cooling mode and dry mode.
When this function is on, if the air conditioner is turned off, the indoor fan
will still operate at low speed for a while to dry the residual water inside the
unit.
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Wired Controller DWUNI User Manual
3.7.10Quiet Function Setting
After entering user function page, press “
ġ” or “Ģ” button to selectQuiet function
and press “˘” or “˚” button to turn on or turn off this function with auto saving.
Note: This function is only available in cooling mode, heating mode and
auto mode.
3.7.11 Fahrenheit Temperature Setting
After entering user function page, press “∧” or “∨” button to select Fahrenheit
temperature function and press “＜” or “＞” button to turn on or turn off this function
with auto saving. After closing this function, Fahrenheit temperature is displayed.
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3.7.12Air Function Setting
After entering user function page, press “∧” or “∨” button to select Air Function
and press “＜” or “＞” button to turn on or turn off Air Function. Press MENU button to
adjust the mode of Air Function .
After entering Air Function mode setting, press “∧” or “∨” button to adjust the
mode in the range of 1~2 (1 is return air and 2 is discharge air). After setting, press
MENU button to save the setting.
3.8 Unit Status View
Press MENU button to enter the menu and select the function symbol to be viewed.
Then press MENU button to enter view function page. Press “∧” or “∨ ” button to select
status view function. Press MENU button to enter unit status view page. Press BACK
button to return to the last page. Please refer to Fig. 9.
The following statuses can be viewed if auxiliary heating is operating: IDOOR
TEMPERATURE and OUTDOOR TEMPERATURE..
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Fig. 9 Status View

3.9 Current Error View
When error occurs in the unit, error symbol is displayed on the main page of
wired controller to indicate that the unit has an error. In this case, you can enter
error view page to view the current error.
Press MENU button to enter the menu and select the function symbol to be viewed.
Then press MENU button to enter view function page. Press “ġ” or “Ģ” button to select
error information. Press MENU button to enter error view page. If there are too many
errors, press “ġ” or “Ģ” to turn pages. Press BACK button to return to the last page.
Please refer to Fig. 10.
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Fig. 10 Current Error View
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Wired Controller DWUNI User Manual
Error Error
Code Error Error
Code
Return air temperature sensor open/
short circuited F1 Drive board communication error P6
evaporator temperature sensor open/
short circuited F2 Compressor overheating protection H3
Indoor unit liquid valve temperature
sensor open/short circuited b5 Indoor and outdoor units unmatched LP
Indoor gas valve temperature sensor
open/ short circuited b7 Communication line misconnected or expansion valve error dn
IPM temperature sensor open/short
circuited P7 E7
Outdoor ambient temperature sensor
open/ short circuited F3 Pump-down Fo
Outdoor unit condenser mid-tube
temperature sensor open/short circuited F4 Jumper error C5
Discharge temperature sensor open/
short circuited F5 Forced defrosting H1
Indoor and outdoor communication error E6 Compressor startup failure Lc
DC bus under-voltage protection PL High discharge temperature protection E4
DC bus over-voltage protection PH Overload protection E8
Compressor phase current sensing
circuit error U1 Whole unit over-current protection E5
Compressor demagnetization protection HE Over phase current protection P5
PFC protection Hc Compressor desynchronizing H7
IPM Temperature Protection P8 IPM Current protection H5
Over-power protection L9 Compressor phase loss/reversal
protection Ld
System charge shortage or blockage
protection F0 Frequency restricted/reduced with whole unit current protection F8
Capacitor charging error PU Frequency restricted/reduced with IPM
current protection En
High pressure protection E1 Frequency restricted/reduced with high
discharge temperature F9
Low pressure protection E3 Frequency restricted/reduced with anti-
freezing protection FH
Compressor stalling LE Frequency restricted/reduced with
overload protection F6
Over-speeding LF
Frequency restricted/reduced with IPM
temperature protection EU
Drive board temperature sensor error PF Indoor unit full water error E9
AC contactor protection P9 Anti-freezing protection E2
Temperature drift protection PE AC input voltage abnormal PP
Sensor connection protection Pd Whole unit current sensing circuit error U5
DC bus voltage drop error U3 4-way valve reversing error U7
Outdoor fan 1 error protection L3 Motor stalling H6
Outdoor fan 2 error protection LA PG motor zero-crossing protection U8

3.10 Timer Setting
The wired controller can set 6 kinds of timers: one time clock timer, everyday
timer, one week timer, two week timer, countdown timer on and countdown timer off.
Select timer symbol after entering menu page. Press MENU button to enter timer
setting page. Press “ġ” or “V” button to select one kind of timer. Press “˘” or “˚”
button to turn on or turn off this timer. Please refer to Fig. 11.
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Wired Controller DWUNI User Manual
Fig. 11 Turn on or turn off timer
3.10.1 One Time Clock Timer
The wired controller can set one time clock timer. If the unit is off, timer on can
be set. If the unit is on, timer off can be set. This timer is carried out for only once
when timer time is reached and then the timer is off automatically.
In timer function setting page, when one time timer is selected, press “˘” or “˚”
button to turn on or turn off this timer function. Press MENU button to enter timer time
setting page, as shown in Fig. 12.
Press “˘” or “˚” button to select timer hour or minute and press ” or " button
to adjust time. Holding “ ” or “ ”button increases or decreases time rapidly.
After finishing setting, press MENU button to save timer time.
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Fig. 12 Setting page of one time clock timer
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Fig. 13 Daily timer setting
3.10.3 Weekly Timer
The user can set the everyday timer content for a week. In each day, the user can
set eight segments of timer content. The unit will execute corresponding timer setting in
a week.
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Note: When the Timer Function is turned ON and the unit is turned ON or turned
OFF, this Timer Function is canceled automatically.
3.10.2 Daily Timer
In daily timer, user can set eight segments of timer individually. The
individual segment is valid only when it is turned on. In each segment, you can set
time, unit ON/OFF, set temperature in Cooling (it is valid only when the current mode is
in cooling), set temperature in Heating (it is valid only when the current mode is
heating).
Please refer to Fig. 13 to select setting. After entering daily timer setting page, press “<”
or “>” button item. Press “Ʌ ” or “V” button to adjust the value. Press MENU button to save
setting.

After entering weekly timer setting page, press “˘” or “˚” button to select the day
to be set. Then press MENU button to enter timer programming of that day. Press “˘”
or “˚” button to select the item to be set. Press “ġ” or “Ģ” button to adjust the content.
Press MENU button to save setting. Please refer to Fig. 14.
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Fig. 14 Weekly timer setting
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