HOTOWELL HTW-21RT Manual

Product Specifications

Power: 3*2 AA* 1.5V alkaline batteries
Working temperature: ： 0 ~70°C/32~158°F
Range of temperature adjustment: ： 5 ~70°C/41~158°F
Range of temperature display: ： 0 ~70°C/32~158°F
Insulating condition: Normal environment
Running program: Set per 1 week as a cycle
Description of function : This actuator will fine turning for valve status of opened ,according to room
temperature and setting temperature ,to meet better status of power saving for put off the working life of
battery
Displays & Buttons
Display icon
NO:
A 7days week programming and 24-hour heating display icon
B Energy saving mode , comfortable mode ,Valve statue
Holiday mode ,Manual Mode ,Automatic Mode ,Boost Mode,Advanced
C
options ,Low battery
D Clock ,manual program ,setting 7days program
E Indoor temperature ,setting temperature
key
NO: represent
1 Automatic and manual keys, holiday mode.
F
2 Long press 3s to access programmable mode
1 Decreasing key
G
2 Force close valve : Press it until appear "OFF"on the screen
1 Short press to choose running comfort mode or energy saving mode
H
2 Press 3s ,using
again,using
1 Increasing Key
I
2 Force valve open: press it until appear "OP" on the screen
1 Short press ,using it with other key for confirmation function
J
2 It is BOOST function for using alone
3 Long press 3s to unlock

Installation and initial commissioning

Maximum current 9 0mA
：
Display accuracy: ： 0 .5 ℃
Probe sensor: ： N TC(10k)1%
Thread size ： M 30*1.5
Size(mm) ： 6 6*52*82+20mm
Maximum route ： 4 .5mm
,Ventilation mode
,Child lock
,setting 5+2 program
or to set temperature for comfort mode.Press
or to set temperature for energy saving mode
3s After power-up, left icon is shown
time setting
1 See flashing p ress to set ,minute
，
2 press to set hour ， u sing or to adjust number
3 press to set week ， using or to adjust number
In normal working condition after actuator was finished for adjustment
time.,please press about 3s t o access setting interface
，
， f lashing after chose ， p ress" OK" ，
4 "ADA"is shown on screen,press
installation are no problem,
Entry into the normal working interface after completion of the adjustment
Note ： b reakdown of adjustment ： （ A fter solved malfunction
error
code
Route too short: in the adjustment process, the pin was stuck.which not reach position
Er1
of 2mm away from terminus
Er5 The temperature sensor is open or damaged
Low battery, icon of battery is flashing

Function description

Mode

Automatic Mode

press ， R un the automatic mode, display main interface
press ， R un the manual mode

Manual Mode

In the unlocked state
press ,see
temperature ( / ) ,next press

Holiday mode

countdown, the end of the holiday to resume automatic mode operation)
If you want to exit vacation mode
manual or automatic mode

Run comfort mode

Short press
Run energy saving Under comfortable mode, Short press
mode mode
press 3s,choose
Comfort mode
temperature and (default is 21 °
energy saving mode mode by pressing
temperature setting exit ,or auto exit s after 5st
Short press
countdown, resume previous operation of state.after time is over .Press

BOOST

any key to exit this function and return to the previous working state.
300s can be set in the Advanced Options A7 option
u sing or to adjust number
，
，
， then press to confirm ，
， I f you need to modify
then short press
，
t o set time ， m ethod is the same as above
to adjust ， I f the battery and gear reducer and valve
flashing
。 flashing
， c an restart to adjust by pressing
Fault description
explain
， D isplay the main interface .
p ress or to set temperature
， 。
is flashing ， p ress to set temperature
set days ， （ F rom the start of the
， , press again ， c an exit by selecting
， then run comfortable mode
， t hen run energy saving
flashing, then set temperature by press
，
C ) ,press again ,to set temperature for energy saving
/ to adjust temperature. Next press
， a nd return back display interface
, ,then valve of fast heating is fully open,300s
and remember
to switch to
,
）
， F irst set
/
to
。