Gree XK76 User manual

Owner's Manual
Air Conditioners
 Thank you for choosing Air Conditioners, please read this owner’s manual carefully before operation
and retain it for future reference.If you have lost the Owner’s Manual, please contact the local agent or
visit www.gree.com or send email to [e-mail] or electronic version.
 GREE reserves the right to interpret this manual which will be subject to any change due to product
improvement without further notice.
 GREE Electric Appliances, Inc. of Zhuhai reserves the final right to interpret this manual.
Wired Controller XK76
Owner's Manual

User Notices
For correct installation and operation, please read all instructions carefully. Before
reading the instructions, please be aware of the following items:
(1) Prohibit installing the wired controller at wet or sunshine places.
(2) Do not knock, throw or 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. If there is any question,
please contact our after-sales service center.
(5) The wired controller is a general model, applicable for several kinds of units.
(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.
Some functions of the wired controller are not available for certain kinds of units, more
details please refer to the owner’s manual of unit. The setting of such unavailable
function will not affect unit’s operation.

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 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 and Dimension of Wired Controller ................................. 22
4.2 Installation Requirements......................................................... 23
4.3 Installation Methods ................................................................. 23
4.4 Disassembly ............................................................................ 24
Contents

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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 swing function
2 Left and right swing 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

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2 Buttons
2.1 Button Graphics
Fig. 2 Button graphics
2.2 Function Instructions of Buttons
No. Button name Button Function
1 FAN Set low speed, medium 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 SWING Set up&down swing and set left&right 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
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, set temperature, mode, ON/OFF. The setting and status view of
other functions can be set in corresponding submenu. Detailed menu structure is as
shown in Fig. 3.
1 2 3
4 5 6
10
97 8
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 swing 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
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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.
Fig. 4 Off interface Fig. 5 On interface
3.3 Mode Setting
Under On status, pressing MODE button can set mode circularly as:
Note: If save function is on, auto mode is not available.
(COOLING) (DRY) (FAN) (HEATING)
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.
(AUTO)
3.5 Fan Setting
Under On status, pressing FAN button can set fan speed circularly as:
Low→Medium→High→Turbo→Auto→Low
Symbols displayed are as shown in Fig. 6.
Fig. 6 Fan setting
TURBO AUTO

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3.6 Swing Setting
In unit on status, press SWING button for swing setting. Two swing modes are
available: fixed-angle swing and simple swing.
When fixed-angle swing mode is set, swing operation is as follows:
In unit on status, press SWING button to select up&down swing . Up&down
swing angle will be adjusted circularly as below:
→→→→→ → closed →
Select up&down swing and left&right swing through “＜” or “＞” button. When
left&right swing is selected. Left&right swing angle will be adjusted circularly as
below:
→→→→→ → closed→
Note:
①.Turn on fixed-angle swing mode in function setting page;
②.If fixed-angle swing is not available for the model, fixed-angle swing will be
invalid when the wired controller turns on fixed-angle swing mode.
Simple swing mode: when fixed-angle swing mode is turned off, swing operation is
as below:
Pressing SWING button under unit on status, up&down swing frame occurs. Then
press SWING button to turn on or turn off up&down swing. is displayed when
up&down swing is on and is not displayed when up&down swing is off. When up&down
swing frame have not disappeared, press “＜” or “＞” button to switch to left&right swing
setting. Then left&right swing frame occurs. In this case, press SWING button to turn on
or turn off left&right swing. is displayed when left&right swing is on and is not
displayed when left&right swing is off. For detailed operation, please refer to Fig. 7.

Fig. 7 Swing setting
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Fig. 8 Function 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
cann’t be set, it will displays with gray color.Please refer to Fig. 8.

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3.7.1 Fresh Air Function Setting
After entering user function page, press “ ” or “ ” button to select fresh air
function and press “ ” or “ ” button to turn on or turn off air function. Press MENU
button to adjust the mode of fresh air.
After entering fresh air mode setting, press “ ” or “ ” button to adjust the mode in
the range of 1~10. After setting, press MENU button to save the setting.
The each mode means as follows:
1――The unit continuously runs for 60min, and fresh air valve runs for 6 min.
2――The unit continuously runs for 60min, and fresh air valve runs for 12 min.
3――The unit continuously runs for 60min, and fresh air valve runs for 18 min.
4――The unit continuously runs for 60min, and fresh air valve runs for 2 4 min.
5――The unit continuously runs for 60min, and fresh air valve runs for 30 min.
6――The unit continuously runs for 60min, and fresh air valve runs for 36 min.
7――The unit continuously runs for 60min, and fresh air valve runs for 42 min.
8――The unit continuously runs for 60min, and fresh air valve runs for 48 min.
9――The unit continuously runs for 60min, and fresh air valve runs for 54 min.
10――The unit continuously runs for 60min, and fresh air valve always runs.
3.7.2 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 comfortable sleep environment.
Note:
●In fan or auto mode, sleep function is not available.
●Sleep function will be cancelled when turning off the unit or switching modes.

If fixed-angle swing function is not available for the connected unit, this
function will be cancelled automatically after setting.
This function is only available in cooling mode.
When this function has been set, set temperature is displayed in SE.
In this case, temperature setting and fan speed setting are shielded.
This function will be cancelled when turning off the unit or switching modes.
This function and sleep function cannot be on simultaneously. If I-demand
function is set firstly and then sleep function is set, I-demand function will be
cancelled while sleep function will be valid, and vice versa.
3.7.5 Absence Function Setting
Note:
Note:
Note:
3.7.3 Health Function Setting
After entering user function page, press “∧” or “∨” button to select health function
and press “＜” or “＞” button to turn on or turn off health function with auto saving.
●This function is only available in heating mode.
●When this function has been set, set temperature is displayed in 8℃(46℉). In this
case, temperature setting and fan speed setting are shielded.
●This function will be cancelled when switching modes.
●
●
●
●
●
This function and sleep function cannot be on simultaneously. If absence function
is set firstly and then sleep function is set, absence function will be cancelled while
sleep function will be valid, and vice versa.
3.7.6 Memory Function Setting
After entering user function page, press “∧” or “∨” button to select memory
function and press “＜” or “＞” button to turn on or turn off memory function with auto
saving.
3.7.7 Fixed-angle Swing Mode 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 realize fast
heating.
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.
After entering user function page, press “∧” or “∨” button to select lock swing
function option and press “ ＜” or “＞” button to turn on or turn off this function with auto
saving.
3.7.4 I-DEMAND Function Setting
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temperature, press “∧” or “∨” button to adjust limitation temperature value. After
setting, press MENU button to save the setting.
Note: When save function has been set, auto mode cannot be set.
3.7.8 Save Function Setting
After entering 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.
After entering save function setting page, press “＜” or “＞” button to select cooling
or heating limitation temperature. After selecting cooling or heating limitation
3.7.9 Auxiliary Heating Function Setting
After entering user function page, press “∧” or “∨” button to select auxiliary
heating function and press “＜” or “＞” button to turn on or turn off this function with auto
saving.
3.7.10 X-fan Function Setting
After entering 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:
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 blow the residual water inside the air
duct.
3.7.11 Quiet Function Setting
After entering user function page, press “∧” or “∨” button to select quiet 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.
3.7.12 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, Celsius temperature will be displayed.
●
●
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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. After setting, press MENU button to save the setting.
3.7.13 Air Function Setting
The each mode means as follows:1- suction 2-discharge
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;indoor ambient
temperature; outdoor ambient temperature.
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Fig. 9 Status View

3.9 Current Error View
When error occurs in the unit, error symbol will be displayed on the main page of
wired controller to indicate that the unit is with 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 “∧” or “∨” button to select
error information. Press MENU button to enter error view page. If there are too many
errors, press “∧” or “∨” to turn pages. Press BACK button to return to the last page.
Please refer to Fig. 10.
E6
Fig. 10 Current Error View
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14
Wired Controller XK76 Owner's 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 timer: 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 “∧” or “∨” button to select one kind of timer. Press “＜” or “＞” button to turn on
or turn off this timer. Please refer to Fig. 11.
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 will be carried out for only once
when timer time is reached and then the timer will be 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
Note: If this timer function is turned on, when the unit is turned on or turned off, this
timer function will be cancelled automatically.
3.10.2 Daily Timer
In daily timer, user can set eight segments of timer individually. The individual
segment will be 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 cooling),
set temperature in heating (it is valid only when the current mode is heating). Please
refer to Fig. 13.
After entering daily timer setting page, press “＜” or “＞” button
to select setting
item. Press “∧” or “∨” button to adjust the value. Press MENU button to save setting.
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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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 “∧” or “∨” 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