1
HA323 User Manual
HA323 series thermostats are used to control electric heating system.
It’s showing the following items: working status
（
heating
）
,output display
（
）
, room
temperature(C Fahrenheit), device temperature, temperature setting point, time etc.
Key pad includes: on/off
（
）
, mode
（ ）、
clock
（
）
and temperature setting
（
▲ ▼
）
.
Features Display
room temperature setting
equipment temperature setting
recovery
low temperature protection
clock, timing on/off, 4period programming
blue back light
external sensor & internal sensor optional
heating
heaters On
working/rest day 4 periods
room temperature
room temperature setting point
equipment temperature
clock
week
Specification
sensing element: NTC
accuracy: ±1
℃
temperature setting:
5
～
35
℃
（
internal sensor
）
[41-95
℉
]
5
～
90
℃
（
single external sensor
）
[41-194
℉
]
operation temperature: 0
～
45
℃
humidity: 5
～
95% RH
（
non-condensing
）
key: touch key
consumption:
＜
2 W
power supply: AC85
～
260V
，
50/60Hz
terminals: connect wire 1×4 mm
2
switch current rating: 16 A
（
resistive load
）
6 A
（
inductive load
）
housing: PC
＋
ABS
dimension: 90×88×15.5 mm
（
W×H×D
）
hole pitch: 60 mm
protection class: IP 30
Operation
On/Off &Setting temperature
On/Off: Press “
” to turn on, press “
” again to turn off thermostat and its output.
Setting temperature: When power on, press “
” to reduce set-point, press “
” to raise set-point. (0.5
℃
/ 1
℉
changed once)
Control of heating equipment: When the room temperature is lower 1
℃
/2
℉
than the set-point , the thermostat opens
the heating equipment, and the LCD displays “
”; When the room temperature reaches the set-point, thermostat closes
the heating equipment, the symbol “
” disappear on the LCD.
Sensing mode selection
Turn off the thermostat, press “M+
” 10 seconds, when display “1” at top right corner, and then press “
” or “
” to
choose the sensing mode “02, 03, 04 ” displayed in the area of temperature display, parameter as below:
02: floor sensor
03: room sensor and floor sensor (under this mode, please connect the floor sensor, otherwise the thermostat display error)
04: room sensor
Error :
single room/floor sensor fault, display E1
；
double sensor, room sensor fault, display E1, floor sensor fault, display E2.
Note:
1 the length of floor sensor wire is within 20m
2 when temperature higher than 55
℃
(131
℉
), display “HI”
，
lower than 0
℃
(32
℉
) display “LO”.
Manual mode, timing on/off and 4periods selection
turn on thermostat
，
press“ ” 3seconds
，
LCD will display “XX”
，
press “▲” or “▼” to select, 01 means manual mode,
temperature is no change after setting well, 02 means timing on/off, 03 means 4periods mode.
Clock and timing on/off setting
Press “
” ,and “hh” of “hh:mm” flash, press “▲” or “▼” to adjust hour, press “
”, “mm” flash, press “▲” or “▼” to
adjust minute; Press “
”, “week” flash, press “▲” or “▼” to adjust Mon to Sun.
Timer on/off setting: Press “
”, till to display “ON” and “hh” flash, press “▲” or “▼” to adjust hour of timer on. Press
“
”, “mm” flash, press “▲” or “▼” to adjust minute of timer on. Press “
”, “OFF” appear and “hh” flash, press “▲” or “▼” to
adjust hour of timer off. Press “
”, “mm” flash, press “▲” or “▼” to adjust minute of timer off. The settings will be valid only
one day.
Cancel timing on/off function: two ways, 1 set hour and minute of timing on/off into “--”; 2 according to “Manual mode,
timing on/off and 4periods selection” to select 01 or 03.
Working day/rest day 4periods setting
Working day setting: first period
：
press“
” till display “1”and“
MON TUE WED THU FRI
”
，
and then press“▲” or “▼”to
