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To Users Thank you for selecting 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...
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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.
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 ............
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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 ............
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.
Owner's Manual Table 2.1.1 Introduction of Components ① ② ③ Name Thermostat Tapping screw ST3.9×25 MA Mounted plate of thermostat Quantity 2.2 Instruction of Thermostat Wiring Terminal Figure 2-3 Wiring Terminal of Thermostat Table 2.2.1 Instruction of Thermostat Wiring Terminal Name Instruction Port of refrigerant detection abnormal signal sent by the unit...
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Owner's Manual Name Instruction Outdoor compressor gear Indoor fan 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 H1/H2 Communication signal port Extended temperature sensor interface for detecting outdoor ambient S1/S2 temperature.
Owner's Manual Cord length Cord type Cord size (mm Remark L(feet) Shielded When the installation environment light/ordinary PVC 2×0.75~ of the thermostat is in strong L≤98.4 sheathed twisted- 2×1.25 magnetic or strong interference, it is copper cord necessary to use a shielded cord. Other wire size (mm / AWG): 0.2~0.6mm (AWG24~AWG20).
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Owner's Manual 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. 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.
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.
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Owner's Manual 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 It is displayed to remind which equipment is in Equipment in use use: Heat pump / Furnace For increasing temperature, time and other...
Owner's Manual Name Instruction Fan mode Display the current fan mode Display the relative ambient humidity that the Indoor ambient humidity thermostat is currently located It is displayed when the Humidifier function is Humidification equipment status enabled Display the relative ambient temperature that the Indoor ambient temperature thermostat is currently located After intelligent heating is turned on, energy...
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...
Owner's Manual NOTE: Please set the Communication setting according to the Communication Type. Please refer "Installer Setup" section for the settings. Under dehumidification mode, it operates at low fan speed. 4.3 Temperature Adjustment Under Cool, Dehum, Heat, AUX heat or Auto Mode, press " "...
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 "∧"...
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Owner's Manual underlying setting interface: 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. If "5-2"...
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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 "...
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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: App's schedule and thermostat schedule are executed separately and they are be in valid according to the time sequence.
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 "...
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Owner's Manual NOTES: If the device is offline or router's name and password have been changed, please reset WiFi and add the device again. 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.
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"...
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 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...
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Owner's Manual Table 5.3.1 System Parameter List Parameter name Parameter range Remarks Clock Format 12H/24H Set the clock format Press "Set" button to enter the Time and Date 2000-2099 setting page of time and date. Daylight Saving ON/OFF Set summer time/winter time Time Set backlight NOTE: only applicable when the...
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"...
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Owner's Manual Parameter name Parameter range Remarks Set the function of outdoor unit NOTE: Only can be set under unit off Outdoor Unit Type AC/HP mode Set cooling/heating energization four- Four-way Valve way valve NOTE: Only can be set under unit off Reversing mode Set the function of indoor unit...
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Owner's Manual Parameter name Parameter range Remarks Set Dual Fuel changeover outdoor temperature NOTE: Only can be set when the unit DualFuel Switch ODU -13~59°F Temp. (-25~15°C) is under off mode and the outdoor unit type is set to HP and the indoor unit type is set to 1 Fur/2 Set the time of Dual Fuel changeover...
Owner's Manual Parameter name Parameter range Remarks Restore factory settings NOTE: Only can be set under unit off mode. After the factory setting is Factory Setting YES/NO 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...
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.
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Owner's Manual Error Code 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...
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Owner's Manual Error Code 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...
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Owner's Manual Error Code 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...
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"...
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: To ensure that the batteries work longer, if there is no operation within 10s, the display screen will temporarily extinguish.
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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.
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