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2. System Installation

2.3 System Check

2.3.1 RF signal pairing

The room thermostat has already been pre-bound with receiver’s 

OVERRIDE 

in kit LS99111010 when delivered. 

You may directly move 

to RF signal pairing between room thermostat and gateway, please refer 

to 2.3.1.B.

A.  RF signal pairing between room thermostat and receiver

  Start receiver’s RF pairing mode by hold-pressing on its LEARN button for 3 seconds, 

receiver is ready for RF signal pairing when its light flashing.

  Press OVERRIDE 

I

 or 

II 

(you must choose according to your real wiring work on 

receiver) to pair with thermostat; when light of OVERRIDE 

I

 or 

II

 is flashing, it means 

OVERRIDE 

I

 or 

II

 is ready to pair with thermostat next.

  Thermostat sends pairing command with reciver:

(4-1) Long press  

  to enter Menu Selection,when  

  are flashing,

 

press  

  to enter RF pairing interface.

  Preparation: thermostat and receiver should be powered/wired correctly, make sure 

the visible distance between thermostat and receiver is not more than 5 meters.

Summary of Contents for LS99111010

Page 1: ...USER MANUAL Wireless Programmable Room Thermostat Model No LS99111010 Scan for App Heating is great when you control it ...

Page 2: ...ss Code Setting 07 2 3 2 RF Communication Check 12 3 Operation Thermostat 13 3 1 Clock Setting 13 3 2 Program Setting 15 3 2 1 Pre set Program 15 3 2 2 To adjust the Pre set Program 15 3 3 Override Mode 17 3 3 Manual Mode 18 3 3 Holiday Mode 19 3 3 ECO Mode 20 3 3 OFF Mode Frost Protection 21 3 3 Child Lock 21 4 User Option 22 5 User Options Table 23 6 Product Specification 24 6 1 Wireless Program...

Page 3: ... thermostat 5 2 Days 7 Days 1 day product 5 2 days allows you to set a program for weekdays and a program for the weekend 7 days allows you to set a same program for every day of the week 1 day functionality allows you to set a different program for every day of the week Each program type allows you to set 7 time and temperature events Controls and Display Layout Days Temperature Program setting t...

Page 4: ...reception of the RF signal The Receiver needs a 100 240 V AC mains supply to operate and this should be fused appropriately 5 A max Note 3 The Receiver should be mounted in a location where it will not come into contact with water moisture or condensation 2 System Installation 2 1 Install and wiring receiver Loosen the screw on the receiver s bottom No need to screw out completely Fasten the termi...

Page 5: ...ad in conjunction with any boiler or cylinder manufac tures instructions Note 5 Leto Smart accepts no liability for any loss or damage arising from any errors or omissions that may be inadvertently contained within these diagrams They are proposal diagrams only not certified wiring diagrams Close the upper cover Press the area as below picture mentioned fasten the screw after make sure no gap betw...

Page 6: ...4 LTR 10 LTR 10 2 System Installation Volt free contacts Burner direct control Combi boiler ...

Page 7: ...5 LTR 10 LTR 10 LTR 10 2 System Installation Electric heater Thermal actuator Zone valve ...

Page 8: ...llows to receive RF signal If you want to hang it on the wall use the template provided Drill two holes in the wall and tighten the screws ensuring two holes distance is 81 5 mm then fix the thermostat s back cover by putting it over the screw head 2 System Installation 2 2 Activate battery and install thermostat 2 2 1 Activate battery ...

Page 9: ...utton for 3 seconds receiver is ready for RF signal pairing when its light flashing Press OVERRIDE I or II you must choose according to your real wiring work on receiver to pair with thermostat when light of OVERRIDE I or II is flashing it means OVERRIDE I or II is ready to pair with thermostat next Thermostat sends pairing command with reciver 4 1 Long press to enter Menu Selection when are flash...

Page 10: ...tion started normally will show up on the top right corner of thermostat s screen 4 2 When is flashing on the screen s left side press to send the pairing command with receiver Pairing succeed if flashing on screen s right side pairing failed if E01 or E02 is flashing on screen s right side In this case you need to send the pairing command with receiver by pressing once again until pairing success...

Page 11: ...lease refer to gateway s manual for details choose Add Thermostat from the interface 1 2 Add thermostat by scanning it s QR code or typing MAC ID manually B RF signal pairing between room thermostat and gateway Automatically pairing thermostat with gateway by App on iOS or Android device Add Product ...

Page 12: ...tat s information 2 1 Preparation powered gateway correctly by plug in socket the LED on gateway will be blinking rapidly LED blinking rapidly means no connection between gateway and server 2 2 Start gateway s pairing mode by hold pressing until its LED is blinking slowly 2 3 Thermostat sends pairing command with receiver 2 3 1 Long press to enter Menu Selection when are flashing press to enter RF...

Page 13: ...with receiver by pressing once again until pairing success 2 4 Gateway is still under pairing mode even one thermostat s pairing succeed if you have more thermostats need to be paired you may continue to pair them with gateway manually 1 gateway could RF communicate with 10 thermostats at one time 2 5 Exit pairing mode by hold pressing until the LED recover ro its status before pairing 2 6 Once th...

Page 14: ...between thermostat and receiver test result is good if show up on screen s right side otherwise will show up on screen s right side in this case you need relocate the thermostat and do the test once again RF communication test between thermostat and gateway Enter RF Communication Test by long pressing when show up on screen s left side press to test RF communication between thermostat and gateway ...

Page 15: ...nged automatically clocking setting will be done if thermostat was connected with Internet via Gateway Enter Menu Selection by long pressing select by until there is a flashing then enter Clock Setting by pressing Firstly set Year after entered Clock Setting when appeared on Temperature Area press to select current year and press to set ...

Page 16: ...press to select current month and press to set When appeared on Temperature Area press to select current date and press to set When clock setting is flashing on Time Area press to select current time and press to confirm Back to the last setting menu by pressing ...

Page 17: ...3 2 2 To adjust the pre set program Enter Program Setting by Pressing when is flashing Working days pre set program Weekend s pre set program Sat Sun Event 1 2 3 4 5 6 7 Time 00 00 6 30 8 30 12 00 14 00 16 30 22 30 Temperature 7 20 16 16 16 21 7 Event 1 2 3 4 5 6 7 Time 00 00 7 00 9 00 12 00 14 00 16 30 23 00 Temperature 7 20 18 21 18 21 7 Program Setting menu ...

Page 18: ...at Enter 5 2 days 7 days 1 day program when Days flashing select by press to confirm 5 2 Days Program 7 Days Program 1 Day Program Temperature flashing in Temperature Area press to adjust required temperature press to confirm ...

Page 19: ... temperature and time periods as above steps showing checking from Step 3 Long press can copy current flashing day s program setting to other day select target day by pressing long press to confirm and paste To cancel the program by pressing go back to Menu Selection by keeping pressing 3 3 Override Mode to change temperature for a short period under AUTO mode Under AUTO mode enter Override mode b...

Page 20: ...ed on upper right and temperature flashing Figure as following Adjust required temperature by pressing or confirm after flashing for 7 sec or pressing then continue to show current temperature Exit Override Mode until next change in the pre set program 3 Operation Thermostat 3 4 Manual Mode to set a constant room temperature manually Switch between AUTO and Manual Mode by pressing ...

Page 21: ...pressing as following figure confirm by pressing Pre set date and time for holiday start and return 3 5 Holiday Mode Make a holiday plan it will keep your room at the pre set temperature until your return time is coming The default temperature for Holiday Mode is 7 C you also can change this default value in User Options ...

Page 22: ...et start to set return date and time in the same way Holiday Mode will start automatically when holiday start time is coming otherwise it continue AUTO Mode To cancel Holiday Mode s setting by keep pressing 3 6 ECO Mode It is a quick access to energy saving but also maintain comfort Under ECO Mode the room will be always kept at a pre set temperature unless you exit this mode The default temperatu...

Page 23: ...ng Cancel Child Mode by long press 3 7 OFF Mode Frost Protection 3 8 Child Lock Under OFF Mode your room s Frost Protection will be automatically turned on unless you exit the mode The default temperature is 7 C you can change this default value in User Options To avoid wrong operation by child this thermostat has Child Lock function once started this function there will be no reaction if short pr...

Page 24: ...ion Content is shown on Time Area screen right side To cancel User Operation s setting press when Option Content flashing To exit User Operation s setting press when Option ID flashing Option ID is flashing under User Option details to see User Options Table below press to scroll through selectable options select the target Option ID by pressing then adjust the User Option by pressing and set it d...

Page 25: ...OFF ON OFF 6 To disable Off function OFF ON OFF 7 Frost Protection OFF ON ON 8 Pre set the lowest temperature 7 32 7 9 Pre set the highest temperature 7 32 32 10 Pre set the ECO temperature 7 32 9 11 Valve Protection unit min if the valve has not been opened for 24 hours it will be automatically opened every 10 00 am 0 means no Valve Protection 0 5 0 12 Activate Smart Remote Control via App by sma...

Page 26: ...lkaline batteries Battery life Typically 2 years Temperature setting range 7 32 C 0 5 C step Temperature control accuracy 0 5 C Measurement interval every minute Frost protection temperature 7 C Humidity range 10 90 rH Humidity accuracy 5 rH Time display 12 hour 24 hour IP class IP30 Standard CE Dimensions H W D 117 2 87 2 26 6 mm Weight 211 g with battery 5 1 Wireless Programmable Room Thermostat...

Page 27: ...e 2 A inductive Switch Type SPDT relay IP class IP30 Standart CE Dimensions H W D 98 3 98 3 31 3 mm Weight 145 g Operating Temperature 0 to 50 C Transmitting frequency 868 MHz Communication Range 100 meters Power 1 5 W Power supply 100 240 VAC 50 HZ Connection Wi Fi 2 4 G IP class IP30 Standart CE Dimensions H W D 98 3 98 3 31 3 mm 5 2 Wireless Receiver Leto LTR10 5 3 Wireless Wi Fi Gateway Leto L...

Page 28: ...info letosmart com Leto Smart www letosmart com 380 44 338 30 70 Ukraine 02081 Kyiv 7 D Zdolbunivska Street ...

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