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        Smart Wifi Multi Stage Thermostat 

                                                                                           

Reference  No.:

 

HTW-81-FN7WF  Series 

 

4/7 

OPERATION INSTRUCTINS 

Step  1:  Power  on  the  thermostat;                                                Step  2:  Make  sure  it  runs  in  “Hold”/“Hold  Until”  Mode  then 

Press

for 3 seconds until “E” or “A” blinks. 

              

 

Tap “F” button switch to “Hold”or “Hold Until” Mode

 

Step 3: Press 

 

or

 

to make the screen display -E-,   

then press M confirm;   

    

 

 

Operation Instructions 

 

Switch 

    /

 

In normal display interface, press 

  & F button synchronically for at least 3 sec to switch between 

 

  and 

℉ (

only available in 

Programming

 mode Not available in 

Hold 

or

 Hold Until

 Mode.

 

Tips:Tap “F” button switch among 

Programming

Hold

Hold Until

 

 

Set time 

Press & hold 

  for 3 sec to enter into the interface for local time setting. First, 

00 year

 flashes (0~99 indicates 2000~2099 year), press 

  or 

  to modify the values, then press 

  to switch to 01 month, month value flashes, press 

  or 

  to modify the values, then 

press 

  to switch to 

02 day

, day value flashes, press 

  or 

  to modify the values, then press   to switch to 

03 hour

, hour value 

flashes, press 

  or 

  to modify the values, then press   to switch to 

04 minute

, minute value flashes, press 

  or 

  to modify 

the values. Continually press 

, it will switch among Year-Month-Day-Hour-Minute. Press F to save the status then back to the 

temperature setting interface, “

” displays and 

temperature value

 flashing, then press 

  or 

  to modify the value, press F or 

wait for the delay time end, return back to normal display. (Local time can not be set in Hold Until mode ) 

Set mode 

In normal display interface, press 

  slowly to switch among 

“Heat, OFF, Cool & Auto”

.    After the state change, “

” displays and 

temperature value flash for 5 sec.    Users can choose to change the value for temperature setting. If not, press 

F

 twice to save the 

change and return to normal display.   

(Changed value only valid in this current Schedule, and will lose if Schedule, system state changes or power off) 

OFF: 

In this state, Heating, Cooling and Fan will all forced close. Displays keep on. 

Step  4:  For  the  following  operation,  please  refer  to  the 

instruction indicated on the App. 

 

Download APP 

Search 

“Smart Life” or”‘Plus Thermostat’

 from 

App Store

 or 

Google Play

 to download the APP. 

 

APP Account Management 

Register an account number with the 

mobile phone number

 or 

e-mail address

Share 

user rights

 to others who have registered in the APP 

Wi-Fi Network Configuration 

Summary of Contents for HTW-81-FN7WF Series

Page 1: ...rmostat App READ CAREFULLY These instructions will help prevent difficulties that might arise during thermostat installation and operation Studying the instructions first may save considerable time an...

Page 2: ...n echo for good human machine communication WIRING INSTRUCTION Cut off power supply at circuit breaker or fuse before installation to avoid fire shock or death WIRING DIAGRAM Step 1 Separate the insta...

Page 3: ...ut 2 2nd stage compressor output heat pump W2 AUX Heat output 2 Auxiliary heat output heat pump No Type Terminals Wiring Compressor delay 0 0 1H 1C conventional R G W Y Diagram conventional systems no...

Page 4: ...ute minute value flashes press or to modify the values Continually press it will switch among Year Month Day Hour Minute Press F to save the status then back to the temperature setting interface displ...

Page 5: ...temp difference is less than 2 2nd heat stops when temp difference is less than 1 Cool Changeover valve keep open Room temp Setting temp 1 Cool on displays and 1st stage cooling system is on Room tem...

Page 6: ...s mode comes after Hold by pressing F again In this mode device will follow the setting temperature and lasting days when users are out for a holiday And then back to follow Schedules after the holida...

Page 7: ...terated or removed that has not been handled or packaged correctly that has been sold as second hand or that has been resold contrary to Country and other applicable export regulations HIDDEN MENU In...

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