value.At last press“
”or no any operation
for 5seconds to exit setting.
Timing Turn
on/off Setting
In turn on state,long press“
”for 3-5
seconds to enter into setting screen, choose
“
”icon,press“
”confirm to timing turn
on setting,it displays “ON”and “--;--”or “hh
mm”flashing at the same time,press press
“
” to confirm and press “
”or“
”to
adjust the hour and press “
” and
“
”or“
” to adjust minute of turn
on,adjust to “--;--” and press “
” to cancel
timing turn on and enter into timing turn off
setting,it displays“OFF ”and “--;--”or “hh
mm”flashing at the same time,press press
“
” to confirm and press “
”or“
”to
adjust the hour and press “
” and
“
”or“
” to adjust minute of turn
off.Cancel timing turn on/off setting:just to
adjust Aoth timing turn on and turn off
as“--”;(timing turn on/off for one time or
cycle running,please set it in advanced
setting)
Working Mode
Choice
In turn on state,long press“
”for
3-5seconds
to
enter
into
setting
screen,choose “
” and press “
”to
confirm:switch working mode Aetween
“
”.Display“
” means
cooling mode,display“
”means heating
mode,display“
”means
ventilation
mode(HTW-IZ19-1-2P
no
heating
mode);display “
”means cooling,heating
mode
switch
automatically(HTW-IZ19-1-4P-A).
Auto heating mode Auto cooling mode
heating mode cooling mode
Manual And
ProgrammaAle
Mode Choice
In turn on state,short press“
”for one time
to run programmaAle mode;press “
”
again to run manual mode
HTW-IZ19-1-4P-M(MODBUS and RS485
version no programmaAle function)
Motorized
Valve Control
In the cooling (heating) mode, when the
room temperature is equal to the set
temperature, the valve outputs the control
voltage 5V, for example, the valve output
control voltage is set to 10 aliquots "Refer
to the advanced option P",
1: In the cooling mode,when room
temperature lower than set temperature of 1
℃
,then output 4V; when room temperature
low than set temperature of 2
℃
,then output
3V;when room temperature higher than set
temperature of 1
℃
,then output 6V
2:In
the
heating
mode,when
room
temperature highter than set temperature of
1
℃
,then output 4V; when room temperature
highter than set temperature of 2
℃
,then
output 3V;when room temperature lower
than set temperature of 1
℃
,then output 6V
Ventilation mode (fan is not
controlled)
Fan control, the valve output
control is lower than the
voltage 5V fan is turned off
Key Lock
Function
Key Lock function:if thermostat opens key
lock function,no any operation after 10
minutes will lock keys automatically(screen
display “
”
icon),press “
” for 5
seconds will unlock(“
”
disappears)
Door Key
Energy Saving
Mode(HTW-IZ
19-1-K)
Enter into energy saving mode Ay door
card.When pull out door card, “
”door
card icon flashing,if thermostat is in cooling
mode,temperature set as 26
℃
automatically,fan run in low speed;if
thermostat is in heating mode,temperature
