HY08AC Touch Screen Thermostat User Manual
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HY08AC-1
HY08AC-2
HY08AC-3
HY08AC-4
Application
HY08AC fan coil units thermostat is used for control room temperature in central air
conditioning fan coil units system.By comparing room temperature with setting temperature to
open and close fan coil units and motorized valve in the end of air conditioning system,to
achieve
purpose of adjusting room temperature,comfort and saving energy. HY08AC uses
microprogrammed control unit,large LCD display,LCD display mode:working mode
(cooling,heating,ventilation), fan speed (high,middle,low, auto),room temperature,setting
temperature,time,7 days 4 period programming,timing turn on/off etc.
Technical Data
Power Supply
220V 50/60Hz
Installation
Flush Installation
Rated current
3A
Sensor
NTC
Set Point Range
5~35
℃
Accuracy
±
0.5
°
C
Ambient
0~50
℃
Protection Class
IP30
Size
86*86*14
Housing
PC+ABS plastic
Ambient temperature
0
°
C~50
°
C
Storage temperature -10
°
C-60
°
C
Operation Key
NO.
symbols
represent
A
Increase key:adjust temperature and value
B
Setting key
C
Decrease key:adjust temperature and value
D
Fan speed key;
+
is confirm key
E
Turn ON/OFF
Displays & Buttons
Operation Instruction
Operation
Description
Turn ON/Turn
OFF
Press“ ”key one time to turn on,press it again to turn off and close fan
coil units and motorized valve.
Setting
Temperature
In turn on state,press “ ”to decrease temperature and press“ ”to increase
temperature,press every time,temperature change 0.5
℃
.
Fan Speed
Choice
In
turn
on
state,press“
”
to
choose
fan
speed
(High
),(Middle),(Low ),(
).
Time Setting
In turn on state,long press“ ”for 3-5seconds to enter into setting screen,
choose “
” icon,press “
” confirm to time setting:minute
“mm”flashing,press “ ”or“ ”to adjust value, press “ ” confirm to next
setting;hour “hh”flashing, press“
”or“
”to adjust value;press
“ ”confirm to next setting; week “
”flashing,press“ ”or“ ”to adjust
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 both 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
between“
”.Display“ ” means cooling mode,display“ ”means
heating mode,display“
”means ventilation mode(HY08AC-1-2P no
heating mode);display “
”means cooling,heating mode switch
automatically(HY08AC-1-4P-A).
Manual And
Programmable
Mode Choice
In turn on state,short press“ ”for one time to run programmable
mode;press “ ” again to run manual mode
HY08AC-4P-M(MODBUS and RS485 version no programmable
function)The time and temperature of programmable mode refer to
Programmable Mode Setting And Working,when working auto
programmable mode,the temperature can’t be adjusted.
Motorized
In cooling(heating)mode,when room temperature higher(lower)setting
