KINGHOME WK-010WC1 Smart Thermostat Owner's Manual

Owner's Manual for KINGHOME models including: WK-010WC1, WK-010WC1 Smart Thermostat, WK-010WC1, Smart Thermostat, Thermostat

39

360560 Microsoft

Thermostat WK-010WC1

File Info : application/pdf, 40 Pages, 6.15MB

Kinghome-User-manual Thermostat WK-010WC1 20240820

Thermostat WK-010WC1

KINGHOME PLUS

App Guide

To Users
Thank you for selecting RXU product. Please read this instruction manual carefully before installing and using the product, so as to master and correctly use the product. In order to guide you to correctly install and use our product and achieve expected operating effect, we hereby instruct as below:
(1) This appliance is not intended for use by persons (including children) with reduced physical, sensory or mental capabilities, or lack of experience and knowledge, unless they have been given supervision or instruction concerning use of the appliance by a person responsibility for their safety. Children should be supervised to ensure that they do not play with the appliance.
(2) This instruction manual is a universal manual, some functions are only applicable to particular product. All the illustrations and information in the instruction manual are only for reference, and control interface should be subject to actual operation.
(3) In order to make the product better, we will continuously conduct improvement and innovation. If there is adjustment in the product, please subject to actual product.
(4) If the product needs to be installed, moved or maintained, please contact our designated dealer or local service center for professional support. Users should not disassemble or maintain the unit by themselves, otherwise it may cause relative damage, and our company will bear no responsibilities.

This marking indicates that this product should not be disposed with other household wastes throughout the EU. To prevent possible harm to the environment or human health from uncontrolled waste disposal, recycle it responsibly to promote the sustainable reuse of material resources. To return your used device, please use the return and collection systems or contact the retailer where the product was purchased. They can take this product for environmental safe recycling.

Contents
1 Safety Notices (Please be sure to abide) ...........................1 2 Installation............................................................................1
2.1 Dimension and Components of Thermostat..............................1 2.2 Instruction of Thermostat Wiring Terminal.................................3 2.3 Installing Position and Requirements of Thermostat.................5 2.4 Installation of Thermostat..........................................................5 2.5 Disassembly of Thermostat.......................................................7
3 Introduction to Display........................................................8
3.1 Thermostat Homepage Display and Button Instruction.............8
4 Operation Instructions ...................................................... 10
4.1 Settings of Unit On/Off and Mode ...........................................10 4.2 Setting of Fan Mode................................................................11 4.3 Temperature Adjustment .........................................................12 4.4 Schedule Function ..................................................................13 4.5 Child-lock Function .................................................................17 4.6 WiFi Function Setting ..............................................................17
5 Parameter Settings ............................................................ 19

5.1 Menu Page..............................................................................19 5.2 User Parameter Settings.........................................................19 5.3 System Parameter Settings ....................................................20 5.4 Search.....................................................................................22
6 Display of Errors ................................................................ 26 7 Operation Instructions and Notices of Batteries ............ 30
7.1 Installation of Batteries............................................................30 7.2 Replacement of Batteries........................................................31
8 Selection of Extended Temperature Sensor .................... 31 9 Fcc Statement .................................................................... 33

Owner's Manual
1 Safety Notices (Please be sure to abide)
WARNING: If not abide them strictly, it may cause severe damage to the unit or the people. NOTE: If not abide them strictly, it may cause slight or medium damage to the unit or the people. This sign indicates that the items must be prohibited. Improper operation may cause severe damage or death to people. This sign indicates that the items must be observed. Improper operation may cause damage to people or property. WARNING!
This product can't be installed at corrosive, inflammable or explosive environment or the place with special requirements, such as kitchen. Otherwise, it will affect the normal operation or shorten the service life of the unit, or even cause fire hazard or serious injury. As for the above special places, please adopt special air conditioner with anti-corrosive or anti-explosion function.
2 Installation
NOTE: There may be slight differences between the illustrated thermostat and the actual product, which shall prevail.
1

2.1 Dimension and Components of Thermostat

Owner's Manual UnitLQFK

4.2 3.3

5.2

0.8

1.2

1.3

3.3

Figure 2-1 Dimension of Thermostat

Figure 2-2 Components of Thermostat 2

Owner's Manual

No. Name Quantity

Table 2.1.1 Introduction of Components

Thermostat

Tapping screw ST3.9×25 MA Mounted plate of thermostat

2.2 Instruction of Thermostat Wiring Terminal

Figure 2-3 Wiring Terminal of Thermostat Table 2.2.1 Instruction of Thermostat Wiring Terminal

No.

Name

Instruction

Port of refrigerant detection abnormal signal sent by the unit

ERV

Economizer or fresh air equipment signal port

O/B

4-way valve signal port

Dehumidification mode signal port

Owner's Manual

No.

Name

Instruction

Outdoor compressor gear

Indoor fan

HUM

Humidification equipment signal port

Primary furnace equipment signal port

W2/AUX

Secondary furnace equipment or electric heater signal port

24V Common wire

24V Power supply

12 13
NOTES:

H1/H2 S1/S2

Communication signal port
Extended temperature sensor interface for detecting outdoor ambient temperature.

(1) The current parameters of L, ERV, O/B, DH, Y, G, HUM, W, W2/AUX, C,

R: rated current1A, 24V~@60Hz;

(2) Whether the four-way valve type of the unit is cooling energization or

heating energization, it is connected to the O/B signal port, and O or B

should be selected according to the four-way valve type at the system

setting;

(3) Other terminals are connected according to unit requirements.

(4) Communication Wire Selection :

Cord type
Light/ordinary PVC sheathed twisted-copper cord

Cord length L(feet)
L98.4

Cord size (mm2)
2×0.75~ 2×1.25
4

Remark
The total length of communication cables can't exceed 30m.

Owner's Manual

Cord type
Shielded light/ordinary PVC sheathed twistedcopper cord

Cord length L(feet)
L98.4

Cord size (mm2)
2×0.75~ 2×1.25

Remark
When the installation environment of the thermostat is in strong magnetic or strong interference, it is necessary to use a shielded cord.

(5) Other wire size (mm2 / AWG): 0.2~0.6mm2 (AWG24~AWG20).

2.3 Installing Position and Requirements of Thermostat
(1) Please do not install the thermostat in the position where is wet or is likely to be splashed with water;
(2) Please do not install the thermostat near high-temperature objects or under direct sunlight;
(3) Before installation, please cut off the power supply of strong current wire inside the wall, it is not allowed to install under electrified status;
(4) The thermostat should only be installed indoors, and its working temperature range is 0°C~50°C.

2.4 Installation of Thermostat
For installation steps of thermostat please refer to the following sketch map, brief instructions are as below:
(1) Before installation, please cut off the power supply, live working during installation is not allowed.
(2) Pull out the control wire from the installation hole in the wall and let this wire go through the wiring hole behind the thermostat mounting plate.

Owner's Manual (3) Align the thermostat mounting plate at the installation holes and then use
the self-tapping screw ST3.9×25 MA to fix the thermostat mounting plate with the installation holes on the wall. (4) Use a slot screwdriver to insert the wire protector pressing hole of wiring terminal, and then insert the control wire into the wiring hole of the wire terminal. Pull the tool out from the wire protector pressing hole and connect all control wires according to this way. Pay attention not to connect the heavy current. (5) Set the thermostat with the thermostat mounting plate together to complete the installation.
Figure 2-4 Sketch Map for Installation of Thermostat 6

Owner's Manual
2.5 Disassembly of Thermostat
Disassembly for thermostat is as below: Figure 2-5 Sketch Map for Disassembly of Thermostat
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Owner's Manual
3 Introduction to Display
3.1 Thermostat Homepage Display and Button Instruction

Figure 3-1 Thermostat Homepage Display and Button Instruction

NOTE: The contents in the display shown above will not exist at the same time.

The figure shows all the displayed contents just to facilitate describing where they will

be displayed.

Table 3.1.1 Thermostat Homepage Display and Button Instruction

No.

Name

Instruction

Time

Display current time

Weekday

Display current weekday

WiFi Function (It displays only when the thermostat has WiFi function)

Owner's Manual

No.

Name

Instruction

It is displayed to remind that the filter shall be cleaned.

It is displayed when the buttons are locked

It is displayed when the battery is low

Equipment in use

It is displayed to remind which equipment is in use: Heat pump / Furnace

For increasing temperature, time and other parameters.

(1) Display the set temperature in the current

mode.

Set temperature

(2) Keep the current set temperature and "Hold" will be displayed when the set

temperature of the schedule is not

executed.

On the homepage, you can enter the Menu page

by pressing this button. On other interface, you

can return to the previous interface

For decreasing temperature, time and other parameters

Display when unit is running

On the homepage, it is the Mode button. On

Function button 3

other interface, the button function corresponds

to the button name.

Mode

Display current operation mode

Schedule status

Display the executed schedule period currently

On the homepage, it is the Schedule button. On

Function button 2

other interface, the button function corresponds to

the button name.

Schedule status

It is displayed when the schedule is enabled

18 Economizer/fresh air equipment status It is displayed when the ERV function is enabled

On the homepage, it is the Fan button. On other

Function button 1

interface, the button function corresponds to the

button name

Owner's Manual

No.

Name

Instruction

Fan mode

Display the current fan mode

Indoor ambient humidity

Display the relative ambient humidity that the thermostat is currently located

Humidification equipment status

It is displayed when the Humidifier function is enabled

Indoor ambient temperature

Display the relative ambient temperature that the thermostat is currently located

After intelligent heating is turned on, energy

saving heat sources can be predicted based on

Dual Fuel intelligent heating

the external environment. The word "smart" will be displayed after the

function is turned on, but it will only take effect

when the Heating is running.

4 Operation Instructions

NOTE: When the thermostat receives multiple control instructions in a short time, one of
them shall prevail.

4.1 Settings of Unit On/Off and Mode

Press the "Mode" button on the homepage to set shutdown and operation mode.

The mode can be switched in the following sequence: Table 4.1.1 Mode Switching Sequence

ODU function setting AC HP

Mode switching sequence
OFFCoolOFFDehum.OFFAUX HeatOFF OFFCoolOFFDehum.OFFHeatOFFAutoOFFAUX HeatOFF

Owner's Manual

NOTE: Please set the ODU function setting according to the ODU type. Please refer
"Installer Setup" section for the settings.

4.2 Setting of Fan Mode

Press the "Fan" button on the homepage to switch the Fan mode in the following sequence:

Unit control mode

Fan Mode switching sequence

24V

AutoOnAuto

RS485

HighMediumLowAutoHigh

ON: The fan runs at some certain speed all the time.

AUTO: Under 24V control mode, the fan will be turned on or off as the change of the set and ambient temperature; under RS485 control mode, the fan will be automatically adjusted according to the set temperature and ambient temperature status.

High: Under RS485 control mode, it always runs at the highest fan speed of current static pressure.

Medium: Under RS485 control mode, it always runs at medium fan speed of current static pressure.

Low: Under RS485 control mode, it always runs at low fan speed of current static pressure.

Owner's Manual
NOTE: (1) Please set the Communication setting according to the Communication Type. Please refer "Installer Setup" section for the settings. (2) Under dehumidification mode, it operates at low fan speed.

4.3 Temperature Adjustment

Under Cool, Dehum, Heat, AUX heat or Auto Mode, press " " or " to increase or decrease the set temperature by 1°C (°F).
In each mode, the setting range of set temperature is as follows:

" button

Table 4.3.1 Set Temperature Range

Operation mode Cool
Dehum. Heat Auto
AUX Heat

Temperature range 10~32°C (50°F~90°F) 10~32°C (50°F~90°F) 10~32°C (50°F~90°F) 10~32°C (50°F~90) 10~32°C (50°F~90°F)

Remarks
The lower limit can be set, range 10~30°C (50~86°F) The lower limit can be set, range 10~30°C (50~86°F) The upper limit can be set, range 16~32°C (61~90°F)

The upper limit can be set, range 16~32°C (61~90°F)

The lower limit of set temperature in Cool mode, Dehum mode and the upper limit of the set temperature in Heat mode and Aux Heat mode can be adjusted. Please refer "User Setup" section for the settings.

Owner's Manual
4.4 Schedule Function
The Schedule function is used to set specific time of the week to execute a specific mode.
Under unit off mode, hold on pressing "Function button 2" button to enter the setting selection page of timed mode, as shown in the picture below:

Figure 4-1 Setting Selection Page of Timed Mode On the setting selection page of timed mode, press "" or "" button to select

the timed mode. Instructions of timed mode are as follows:

Table 4.3.1 Instructions of Timed Mode

Timed mode 7 Day 5-2 1 Week

Instructions
Adjust program schedule parameters for each day of a week. It will be executed circularly every week after setting. Adjust program schedule parameters on weekdays and weekends. It will be executed circularly every week after setting. Adjust program schedule parameters for seven days of a week. It will be executed circularly every week after setting.

Select the schedule timed mode that you want to set and press "Set" to enter the

Owner's Manual underlying setting interface:
(1) If "7 Day" mode is selected, press "Set" to enter the day selection interface. Press "<" or ">" button to select from Sunday to Saturday, and then press "Set" again to enter the schedule parameters setting page.
(2) If "5-2" mode is selected, press "Set" to enter the day selection interface. Press "<" or ">" button to select "Workdays" or "Weekend", and then press "Set" again to enter the schedule parameters setting page.
(3) If "1 Week" mode is selected, press "Set" to enter the schedule parameters setting page directly.
On the parameter setting page (1) Press "<" or ">" button to select the parameters. (2) Press " " or " " button to adjust the parameters. (3) Press "Set" button to save the settings.
Figure 4-2 Setting Page of Schedule Parameters Under Cool, Heat or AUX Heat Mode, press "Function button 2" button to enable
14

Owner's Manual or disable the schedule function.
If "Week Sched." is displayed on the homepage as shown in the following figure, it means that the schedule function is opening. If the schedule has been executed, the executed period name will be displayed as shown in the following figure.
Figure 4-3 Schedule Running Status After the schedule is enabled, if you press " " or " " button to adjust the set temperature, "Week Sched." will not be displayed and "Hold" will be displayed above the set temperature, indicating that the schedule function is still running, but the set temperature is not running according to the set parameter for the schedule being and the actual adjusted value will prevail. When the next schedule period is reached, "Hold" will be cleared and run again according to the parameters set by the schedule as shown below:
15

Owner's Manual
Figure 4-4 Hold Status of Schedule Running If "Week Sched." is not displayed on the homepage and Hold is not displayed above the set temperature, it means the schedule function is off, as shown below:
Figure 4-5 schedule Off Status NOTES:
(1) App's schedule and thermostat schedule are executed separately and they are be in valid according to the time sequence.
(2) When any one of App's schedule or thermostat schedule is valid, schedule 16

Owner's Manual
status will be displayed. When any one of App's schedule or thermostat schedule is valid, change the set temperature and the thermostat will display the reminder of "Hold".
4.5 Child-lock Function
Press " " and " " buttons simultaneously for 5 seconds can enter into child-lock function, the liquid crystal screen will display " "; press " " and " " buttons simultaneously again for 5 seconds can quit the child-lock function.
Under child-lock status, no response for pressing any buttons. The unit will memorize the child-lock status after power failure and re-energizing the unit.
4.6 WiFi Function Setting
".,1*+20( 3/86 " App can be used to control thermostat. Please scan the QR code or search ".,1*+20( 3/86 " in the application market to download and install it. When ".,1*+20( 3/86 " App is installed, register the account and add the device to achieve long-distance control and LAN control of .,1*+20( smart home appliances.
When using the App for the first time, please reset WiFi of thermostat at first (reset WiFi to ex-factory setting). For details about how to reset WiFi, see "5.2 User Parameter Settings". When the WiFi icon is flickering in 0.5 seconds to 0.5 seconds, it means that the reset is successful.
17

Owner's Manual NOTES:
(1) If the device is offline or router's name and password have been changed, please reset WiFi and add the device again.
(2) WiFi networking performance is related to the distance between the thermostat and the router and the obstacles between them. During the installation process, the distance between the thermostat and the router should be as close as possible, and the obstacles should be as little as possible. If the WiFi signal is not good, use the WiFi signal enhanced router. The specific situation depends on the actual installation.
(3) When the thermostat is powered by the battery, the WiFi function is unavailable and cannot control the unit through the App. When the thermostat is powered by the unit, the WiFi function can be used normally.
18

Owner's Manual
5 Parameter Settings
5.1 Menu Page
Press "Menu" button on the homepage to enter the Menu page, as shown below:
Figure 5-1 Menu Page On the Menu page, press "" or "" button to move the cursor for selecting "User Function", "User Setup", "Installer Setup" or "Information Search", and then press "Set" button to enter the corresponding page. Press "Menu" button to return to the homepage.
5.2 User Function Settings
On the Setting page, press "" or "" button to move the cursor for selecting the parameter to be set, and press "Set" button to select the parameter to be set. Then press "" or "" button to select the parameter value, and then press "Set" to save the setting. Press "Menu" button to return to the Menu page. If there is no operation
19

Owner's Manual

within 20 seconds, it will return to the homepage automatically. The detailed user

function list is as follows:

Table 5.2.1 User Parameter List

No.

Parameter name

Parameter range

Remarks

Dual Fuel Type

Standard/Smart

Dual Fuel function type setting

Humidifier

ON/OFF

Humidifier ON/OFF setting

Humidity set value

20~80%

Target humidity value setting

ERV

ON/OFF

Economizer setting

NOTE: (1) The Smart mode of Dual Fuel function requires WiFi connection. (2) The target humidity value can be set only when the humidifier function is ON.
5.3 User Setup
On the System page, press "" or "" button to move the cursor for selecting the parameter to be set, and press "Set" button to select the parameter to be set. Then press "" or "" button to select the parameter value, and then press "Set" to save the setting. Press "Menu" button to return to the Menu page. If there is no operation within 20 seconds, it will return to the homepage automatically. The detailed user parameter list is as follows:
When a certain parameter cannot be set, it will be displayed in gray. Under ON mode, all parameters cannot be set, but can be inquired.

Owner's Manual

Table 5.3.1 System Parameter List

No. Parameter name

Clock Format

Time and Date

Daylight Saving Time

Parameter range 12H/24H 2000-2099
ON/OFF

Backlight

OFF/20S/Always ON

System Memory

YES/NO

Temperature Unit

°F/°C

Filter Cleaning Reminder

OFF/10Days/20Days/ 30Days/2~24Months

Language

English/French

Synchronize Time with App

YES/NO

WiFi Reset

YES/NO

Min Cool Setpoint 50~86°F (10~30°C)

Max Heat Setpoint 61~90°F (16~32°C)

Factory setting

YES/NO

Remarks
Set the clock format
Press "Set" button to enter the setting page of time and date.
Set summer time/winter time
Set backlight NOTE: only applicable when the power is not supplied by battery. In using battery status, backlight defaults to OFF. Set if the unit on/off status is memorized during power failure
Set the unit of temperature
Set the filter cleaning reminder time
Set Language
NOTE: The thermostat can only be set when it is connected to WiFi. Set WiFi reset NOTE: only applicable to models with WiFi function. Set the lower limit for the set temperature in cooling Set the upper limit for the set temperature in heating Restore default parameters NOTE: Only can be set under unit off mode. After the factory setting is restored, Fan Mode, Set Temperature, Timer Function Switch and the parameters in the User Setup list except "WiFi Reset" are restored to the default values.

Owner's Manual
NOTE: When the thermostat is connected to WiFi, and the parameter "Synchronize App
time" is set to "YES", the time of the thermostat is finally synchronized to the App time.

5.4 Installer Setup

On the System page, press "" or "" button to move the cursor for selecting

the parameter to be set, and press "Set" button to select the parameter to be set. Then press "" or "" button to select the parameter value, and then press "Set" to save the setting. Press "Menu" button to return to the Menu page. If there is no operation

within 20 seconds, it will return to the homepage automatically.

When a certain parameter cannot be set, it will be displayed in gray. When you press "" or "" button, it will automatically jump to the settable parameter line; Under

ON mode, all parameters cannot be set, but can be inquired. Table 5.4.1 Installation Parameters List

No.

Parameter name

1 Thermostat Set

2 Communication

Parameter range Reserved
24V/RS485

Remarks
Reserved. This parameter is fixed to "Primary". Set the unit control mode NOTE: (1) Only can be set under unit off
mode; (2) The factory default is 24V
communication mode. If you need to change this setting, you need to consult the manufacturer's technical support.

Owner's Manual

No.

Parameter name

3 Outdoor Unit Type

Four-way Valve Reversing

5 Indoor Unit Type

6 AUX On Timer

Max Activate Temp. for AUX

AUX On Temp. Differential

Satisfy Room Temp. With AUX

Parameter range AC/HP O/B
Air Handler/1st Fur/ 2nd Fur
0~120min
50~86°F (10~30°C)
0~10°F (0~5°C)
YES/NO

Remarks
Set the function of outdoor unit NOTE: Only can be set under unit off mode Set cooling/heating energization fourway valve NOTE: Only can be set under unit off mode Set the function of indoor unit NOTE: Only can be set under unit off mode. Set the starting time of electric heating in heating mode NOTE: Only can be set when the unit is under off mode and the outdoor unit type is set to HP. Set the upper limit of the starting temperature of the electric heating in heating mode NOTE: Only can be set when the unit is under off mode and the outdoor unit type is set to HP. Set the starting temperature difference of electric heating in heating mode NOTE: Only can be set when the unit is under off mode and the outdoor unit type is set to HP. Set electric heating continue to operate before unit stops when reaching the temperature point NOTE: Only can be set when the unit is under off mode and the outdoor unit type is set to HP.

No.

Parameter name

DualFuel Switch ODU Temp.

11 DualFuel Switch Timer

12 Furnace Min On Time
13 Temp. Display Set 14 Cool Swing 15 Heat Swing 16 Comp. Delay On
17 MIN Comp. On 18 Fan Off Timer

Owner's Manual

Parameter range -13~59°F (-25~15°C)
10~120min
10~60min -6~6°F (-3~3°C) 4~8°F (or 2~4°C) 4~8°F (or 2~4°C)
1~15min 0~6min 0~10min

Remarks
Set Dual Fuel changeover outdoor temperature NOTE: Only can be set when the unit is under off mode and the outdoor unit type is set to HP and the indoor unit type is set to 1st Fur/2nd Fur Set the time of Dual Fuel changeover furnace NOTE: Only can be set when the unit is under off mode and the outdoor unit type is set to HP and the indoor unit type is set to 1st Fur/2nd Fur Set the minimum operation time of furnace NOTE: Only can be set when the unit is under off mode and the outdoor unit type is set to HP and the indoor unit type is set to 1st Fur/2nd Fur Sets the indoor ambient temperature compensation value Set Cooling temperature difference under Auto Mode Set Cooling temperature difference under Auto Mode Set the delayed start time for the compressor NOTE: Only can be set under unit off mode. Set the minimum operation time of compressor NOTE: Only can be set under unit off mode.
Delayed shutdown time of indoor fan

Owner's Manual

No.

Parameter name

19 Factory Setting

Parameter range YES/NO

Remarks
Restore factory settings NOTE: Only can be set under unit off mode. After the factory setting is restored, the parameters in the Installer Setup list are restored to the default values.

5.5 Search

In the inquiry interface, you can inquire the outdoor ambient temperature, product version, installer name, installer contact, historical errors, indoor parameters and outdoor parameters. Detailed information inquiry function and status are described as follows.

Table 5.5.1 Inquiry List

No.

Parameter name

Remarks

Outdoor Temperature Outdoor ambient temperature

Version

Product version

Installer Name

Installer name, shall be set by .,1*+20( 3/86 App

Installer TeleNumber Installer contact, shall be set by .,1*+20( 3/86 App

Error Search

The latest 10 historical errors can be inquired

This information can only be queried when the

Parameter Search

communication is set to RS485, and is only used

by maintenance personnel.

NOTE: When the S1/S2 interface is not connected to the outdoor ambient temperature sensor, the outdoor ambient temperature inquiry display is fixed to -100°C/-148°F.

Owner's Manual
6 Display of Errors
When error occurs in the system, indoor ambient temperature display area in liquid crystal panel will display error code, when multiple errors occur simultaneously, it will circularly display error code.
When error occurs, please turn off the unit and seek for professional personnel to maintain.
The following figure refers to the Indoor temperature or humidity sensor.

Error Code EA FE CE F3

Figure 6-1 Indoor Temp. Humid. Sensor Error Table 6.1 Error Code List
Error Indoor unit refrigerant leakage protection Refrigerant sensor error/refrigerant sensor communication error Indoor temperature or humidity sensor error Outdoor temperature sensor error

Owner's Manual

Error Code HI L0 C0 E1 E3 E4 H4 C6 F3 e1 e3 EE C4 C3 C7 H3 E2 b2 b3 E6 H2 PL

Error Indoor ambient temperature is too high Indoor ambient temperature is too low Communication error of thermostat Compressor high pressure protection Compressor low pressure protection Compressor discharge temperature protection Overload protection Discharge temperature sensor error Outdoor ambient temperature sensor error High pressure sensor error Low pressure sensor error Main control memory chip error Error of outdoor unit jumper cap Outdoor pipe temperature sensor error Outdoor middle pipe temperature sensor error Compressor overload protection Freeze prevention protection Subcooler air inlet temperature sensor error Subcooler air outlet temperature sensor error Indoor unit and outdoor unit communication error Low module temperature protection Low DC bus voltage
27

Owner's Manual

Error Code PH PA H5 L3 HC Lc U2 P0 P5 LF U1 H7 LE P6 P8 P7 ee C8 PU PP PF

Error High DC bus voltage AC Current protection (input side) IPM abnormality DC fan error PFC abnormality Startup failure Phase loss Drive module reset abnormality Compressor overcurrent Overspeed Current detecting circuit error or current sensor error Non-synchronism Compressor stalling Communication error between main control and drive High temperature of radiating sheet or IPM module or PFC module Abnormality of temperature sensor of radiating sheet or IPM module or PFC module Error of drive memory chip Abnormality of compressor DIP switch Charging circuit error Abnormality of AC input voltage Error of outdoor ambient temperature sensor on the drive board

Owner's Manual

Error Code P9 PE Pd A1 AC UL AE AJ Ab A6 A8 A9 Ad AH AL EH C1 C2 FJ CA Cb

Error AC contactor protection Temperature drift protection Sensor connection protection (current sensor is not connected to the corresponding U phase or V phase) Inverter outdoor fan drive IPM module protection Inverter outdoor fan startup failure Inverter outdoor fan overcurrent protection Inverter outdoor fan drive current detecting circuit error Inverter outdoor fan out-of-step protection Outdoor fan drive reset protection Outdoor fan drive communication error High outdoor fan module temperature Outdoor fan drive sensor error Outdoor fan phase loss protection High voltage of outdoor fan bus Low voltage of outdoor fan bus Auxiliary electric heating misuse protection Indoor ambient temperature sensor error Indoor pipe temperature sensor error Indoor air outlet temperature sensor error Evaporator inlet pipe temperature sensor error Evaporator outlet pipe temperature sensor error

Owner's Manual

Error Code

Error

Indoor unit jumper cap error

Indoor fan error

NOTE: In the event of an EA/FE fault, the thermostat lights up the backlight and

gives a buzzer alarm. The user can cancel the backlight and buzzer alarm by pressing

the "Mode" button on the homepage, but the code display can only be canceled after

the fault is eliminated.

7 Operation Instructions and Notices of Batteries
7.1 Installation of Batteries
Install two AA dry batteries (1.5V) according to the following figure.

Figure 7-1 Installation of Batteries 30

Owner's Manual

7.2 Replacement of Batteries
Replace the batteries when the low power icon is displayed. If only the batteries are used to supply power to the thermostat: (1) To ensure that the batteries work longer, if there is no operation within 10s,
the display screen will temporarily extinguish. Please press the "Function button 2" to wake up the screen before operation again, then the thermostat can work normally. (2) The batteries only guarantee normal display. In this case, WiFi does not work and the unit cannot be controlled and the display screen backlight does not light up.

8 Selection of Extended Temperature Sensor

The precision of temperature sensor shall be ±1°C. Before use, measure the

resistance at both ends of the temperature sensor with ohmmeter and check if the

temperature sensor is in good condition by referring to the following table.

Outdoor ambient temperature

°C

°F

-30

-22

-29

-20.2

-28

-18.4

-27

-16.6

-26

-14.8

Resistance (K)
271.35 256.1833 242.5425 226.3552 212.0824

Outdoor ambient temperature

°C

°F

51.8

53.6

55.4

57.2

Resistance (K)
28.55709 27.2395 25.99929 24.72681 23.62784

Outdoor ambient temperature

°C

°F

-25

-13

-24

-11.2

-23

-9.4

-22

-7.6

-21

-5.8

-20

-4

-19

-2.2

-18

-0.4

-17

1.4

-16

3.2

-15

-14

6.8

-13

8.6

-12

10.4

-11

12.2

-10

-9

15.8

-8

17.6

-7

19.4

-6

21.2

-5

-4

24.8

-3

26.6

Resistance (K)
199.4034 188.0654 177.8663 166.4731 158.2839 149.0313 136.1206 129.0351 122.5843 115.5671 109.231 103.4814 97.41164 92.68319 87.64591 83.05884 78.86421 74.48929 70.50403 66.8586 63.51129 60.42698 57.23454

Owner's Manual

Outdoor ambient temperature

°C

°F

60.8

62.6

64.4

66.2

69.8

71.6

73.4

75.2

78.8

80.6

82.4

84.2

87.8

89.6

91.4

93.2

96.8

98.6

100.4

Resistance (K)
22.58804 21.51573 20.50291 19.62262 18.71078 17.91612 17.15807 16.36994 15.68069 14.96251 14.33309 13.78341 13.1504 12.5941 12.10713 11.59093 11.09402 10.65813 10.19517 9.788561 9.394867 9.013483 8.643841

Owner's Manual

Outdoor ambient temperature

°C

°F

-2

28.4

-1

30.2

33.8

35.6

37.4

39.2

42.8

44.6

46.4

48.2

Resistance (K)
54.30137 51.59711 49.09597 46.7759 44.38742 42.17675 40.12476 38.21496 36.43305 34.60589 33.05396 31.45527 29.95952

Outdoor ambient temperature

°C

°F

102.2

104

105.8

107.6

109.4

111.2

113

114.8

116.6

118.4

120.2

122

Resistance (K)
8.320759 7.971981 7.666881 7.36978 7.080366 6.798345 6.55364 6.284832 6.051459 5.823147 5.599735 5.381066

9 Fcc Statement
This product contains FCC ID2ADAP-GRJWB05J10 and IC12478A-
GRJWB05J10 CAN ICES-003(B)/NMB-003(B). This device complies with Part 15 of the FCC Rules. Operation is subject to the
following two conditions: (1) this device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation.
Changes or modifications not expressly approved by the party responsible for 33

Owner's Manual compliance could void the user's authority to operate the equipment.
NOTE: This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to Part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates, uses and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation.
If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures:
Reorient or relocate the receiving antenna. Increase the separation between the equipment and receiver. Connect the equipment into an outlet on a circuit different from that to which the receiver is connected. Consult the dealer or an experienced radio/TV technician for help.
34

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