Johnson Controls DWCR2 User manual

Lit 12012511
DWCR2
User Manual
DWCR2
Wired Controller
Thank you for choosing the DWCR2 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:
It is prohibited to install the wired controller in wet places or direct sunlight.
Do not knock, throw or frequently disassemble the wired controller.
Do not operate the wired controller with wet hands.
Do not remove or install the wired controller by yourself. If there are
any questions, please contact Tech Support at 1-844-873-4445.
The wired controller is generic and applicable for several models. Some
functions of the wired controller are not available for certain models. For
more detail,please refer to the user manual of the indoor unit. Setting of
unavailable functionswill not affect the unit’s operation.

Contents
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................................................4
3 Operation Instructions............................................................4
3.1 Menu Structure..........................................................................4
3.2 On/Off........................................................................................5
3.3 Mode Setting.............................................................................6
3.4 Temperature Setting..................................................................7
3.5 Fan Setting................................................................................7
3.6 Louver Setting ...........................................................................7
3.7 Functions Setting ....................................................................10
3.8 Unit Status View ......................................................................18
3.9 Current Error View ..................................................................20
3.10 Timer Setting.........................................................................22
3.11 Clock Setting .........................................................................31

3.12 Lock Setting ..........................................................................33
4 Installation Instructions ........................................................34
4.1 Parts and Dimension of Wired Controller................................34
4.2 Installation Requirements........................................................35
4.3 Installation Methods ................................................................36
4.4 Disassembly............................................................................37

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1 Display
1.1 Appearance
Fig.1 Appearance of wired controller

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1.2 Instructions for Related Displayed Symbols
No. Symbols Instructions
1 Up and down louver (swing) function
2 Left and right louver (swing) function
3 This row left intentionally blank.
4 Sleep function
5 Auto mode
6 Cooling mode
7 Dry mode
8 Fan mode
9 Heating mode
10 This row left intentionally blank.
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

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18 Remind to clean the filter
19 Timer on status
20 Access card absent, off status or unoccupied status
21 Quiet function
22 Function lock
2 Buttons
2.1 Button Graphics
Fig. 2 Button graphics

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2.2 Function Instructions of Buttons
No. Button name Button Function
1 FAN
Set low speed, low-medium speed, medium speed, medium-high
speed, high speed, turbo and auto speed.
2 ∧(1) Set temperature
(2) Set parameter
(3) Move option cursor
6 ∨
3 ON/OFF/BACK
(1) Turn on or turn off unit
(2) Return to last page
4 LOUVER Set up&down louver (swing) and set left&right louver (swing)
5 ＜(1) Set related function on or off
(2) Move option cursor
(3) Set parameter
8 ＞
7 MENU/OK (1) Enter menu page
(2) Confirm setting
9 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, louver (swing), set temperature, mode, ON/OFF. The setting and
status view of other functions can be set in corresponding submenu. Detailed menu
structure is shown in Fig. 3.

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Fig. 3 Menu structure
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.5Oninterface
Fig.4Offinterface
3.3 Mode Setting
Under On status, pressing MODE button can set mode as:
Note: If save function is on, auto mode is not available.

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3.4 Temperature Setting
Under unit on status, pressing “ ” or “∧∨”button on the main page increases or
decreases set temperature by 1℉(1℃); holding “∧” or “∨” button increases or
decreases set temperature by 1℃(1℉)every 0.3s.
In cooling, dry, fan and heating mode, temperature setting range is 61℉～86℉
(16℃~30℃). Under auto mode, set temperature cannot be adjusted.
3.5 Fan Setting
Under On status, pressing FAN button can set fan speed circularly as:
Low→Medium low→Medium→Medium high→High→Turbo→Auto→Low
Symbols displayed are as shown in Fig. 6.
Fig. 6 Fan setting
3.6 Swing Setting
In unit on status, press SWING button for louver setting. Two louver modes are
available: fixed-angle louver and simple louver.
When fixed-angle louver mode is set, louver operation is as follows:
In unit on status, press SWING button to select up&down louver. Up&down
swing angle is adjusted as below:

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→ → → → → → → → → → → closed
→
Select up&down and left&right louver through “＜” or “＞” button. Select
left&right louver,and left&right swing angle is adjusted as below:
→ → → → → → → → closed→
Note:
①Turn on fixed-angle louver mode in function setting page.
②If 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:
Press SWING button under unit on status, up&down louver frame occurs. Press
SWING button to turn on or turn off up&down louver. is displayed
when up&down louver is on and is not displayed when up&down louver is off.
When up&down louver frame does not disappear, press “＜” or “＞” button to
switch to left&right louver setting. Then, the left&right louver frame occurs.
Press SWING 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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Fig. 7 Swing setting
3.7 Functions Setting
Press MENU/OK button on main page to enter main menu page. Press “∧” or
“∨” or “＜” or “＞” button to select the function setting symbol. Then press MENU/OK
button to enter user function setting page. Press “∧” or “∨” button to select specific
function item. Press “＜” or “＞” button to turn on or turn off this function. If the
function item cannot be set, it displays with a gray color. Please refer to Fig. 8.

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Fig. 8 Function setting

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3.7.1Sleep Function Setting
Enter user function page, and 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:
①In fan or auto mode, the sleep function is not available;
②Sleep function is canceledwhen turning offthe unit or switching modes.

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3.7.2This section left intentionally blank
3.7.3I-DEMAND Function Setting
After entering user function page, press “ ” “∧or ∨” button to select IDEMAND
function option and press “＜” or “＞” button to turn on or turn off this function with
auto saving.
Note:
①This function is only available in cooling mode.
②When this function is set, the set temperature is displayed as 81℉(27℃). In
this case, temperature setting and fan speed setting are shielded.
③This function is canceled when turning off the unit or switching modes.
④This function and sleep function cannot be on simultaneously.If I-demand
function is set first and then the sleep function isset, I-demand function is
canceled while sleep function is valid, and vice versa.

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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 the unit can realize
fast heating.
Note:
①This function is only available in heating mode;
②When this function is set, the set temperature is displayed as 46℉(8℃). In
this case, temperature setting and fan speed setting are shielded;
③This function is canceled when switching modes;
④This function and sleep function cannot be on simultaneously. If absence
function is set first and then the sleep function is set, the absence function is
canceled while the sleep function is valid, and vice versa.
3.7.5Memory Function Setting
Enter the user function page, and press “∧” or “∨” button to select memory
function. Then, press “＜” or “＞” button to turn on or turn off memory function with
auto saving.

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3.7.6Save Function Setting
Enter user function page.Press ““∧ ” or ∨” 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.
Enter the save function setting page, and press “＜” or “＞” button to select
cooling or heating limitation temperature. After selecting cooling or heating limitation
temperature, press ““∧ ” or ∨” button to adjust limitation temperature value. After
setting, press MENU button to save the setting.
Note: When save function is set, auto mode cannot be set.
3.7.7This section left intentionally blank
3.7.8X-fan Function Setting
Enter user function page, press “∧” or “∨” button to select dry function option,and
press “＜” or “＞” button to turn on or turn off this function with auto saving.
Note:
①This function is only available in cooling mode and dry mode;
②When 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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3.7.9Quiet Function Setting
Enter the save function setting page, and press “＜” or “＞” button to select
quiet function. 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.
3.7.10Filter Clean Reminder Setting
Enter the save function setting page, and press “＜”or “＞”button to
select clean function option.Press “＜”or “＞”button to turn on or turn off this
function. Press MENU button to enter the setting page of filter clean reminder
function.
Enter setting page of filter clean reminder function.Press “∧” or “∨” button
to select pollution level. Press “＜” or “＞” button to set environmental level. Press
“∧”or “∨”button to select accumulating time setting and then press “＜” or “＞”
button to set required time. Press MENU button to save the setting.
When level 1 is selected, the adjusting range of accumulating operating time is
5500~10000 hours, with 500 hours in each increase or decrease.
When level 2 is selected, the adjusting range of accumulating operating time is
1400~5000 hours, with 400 hours in each increase or decrease.
When level 3 is selected, the adjusting range of accumulating operating time is
100~1000 hours, with 100 hours in each increase or decrease.
This function is used to remind you to clean the filter when the unit’s own
operating time reachesyour setting.