Wifi Wireless Thermostat
Reference No.:
HTW-11-U20-WF Series
- 2 -
Version 2019-V1.0
Always turn off power at the main power source by unscrewing fuse or switching circuit
breaker to the off position before installing, removing, cleaning, or servicing this thermostat.
Read all of the information in this manual before installing this thermostat.
Only a professional contractor should install this thermostat.
All wiring must conform to local and national building and electrical codes and ordinances.
This thermostat has a removable fuse to protect the system from damage. If system is not operating
properly, check wiring and replace fuse if necessary.
Use this thermostat only as described in this manual.
Menu button
During power on status or program mode , tap
button to switch between programmable mode or
Temporary hold(Manual) mode; Hold
button more than
3 seconds to enter program setting, tap
or
to
adjust parameters, tap
to exit
Time setting button
During running mode, tap
to enter time setting tap
again to set Minute, press
or
to adjust minute.
Press
to confirm and exit, tap
again to set Hour,
press
or
to adjust hour. Press
to confirm and exit, tap
again
to
enter
Week
adjustment, press
or
to adjust week, Press
to confirm and exit.
Power \Confirm button
In setting mode(program setting mode, menu setting mode, time setting mode) tap
to confirm
and exit.
In normal boot working status, tap and hold
button for 3 seconds to turn off, In normal
shutdown state, tap
button to turn on.
When the thermostat is in power saving(screen no display), tap
button to wake.
Parameter increase
Parameter decrease
:
Wake up button
When the thermostat is in standby mode(no display), all keypads
are invalid until pressing
wake up button to activate., the thermostat switches to standby mode if no buttons tapped after 5
seconds
Keypad Operation