HYSEN HY08AC User manual

HY08AC WIFI fan coil unit thermostat manual
Application
HY08AC series fan coil thermostat is suitable for controlling central air conditioning and fan coil unit.
By comparing the indoor temperature and setting temperature, to adjust fan coil unit and turn on /off
electric valve . to realize adjust temperature and saving energy purpose.HY08AC adopts microcomputer control
technology, large-screen display, and have following display status: working state (cooling, heating,
ventilation), fan speed (high, medium, low, automatic), indoor temperature, setting temperature, clock,
seven days and four time periods Time programming, timing switch, etc.
Technical data
Voltage: AC200~240V, Output：On/off type
Current: 3A IP：IP20
Accuracy: ±0.5ºC Display temperature range ：0~70°C
Setting range: 5ºC - 35ºC
Sensor:：NTC(10k)1% work environment:：-10~60°C
Size：86 * 86mm Mounted ：in the wall type
Button
No:
Icon
Description
A
Increase key：short press to adjust number and temperature ,long press to check external
senor temperature
B
To choose setting item
C
Decrease key：short press to adjust number and temperature
D
Fan key；when work with “SET” key together,then “confirm” key
E
Power key
F
Press them together to enter matching wifi mode
WIFI connected，If flashing ,then matching wifi mode
：WiFi disconnection
:cloud icon ,if flashing ,then enter AP mode
Operation
Operation
Description
Legend
Turn on/off
press“ ”to turn on；press again to turn off，
meanwhile closed fan coil unit and electrical
valve。
Display main interface
Setting
temperature
Thermostat turn on ，press“ ”to decrease
setting temperature，press“ ”to increase setting，
each time change by 0.5℃。
Fan Speed
Thermostat turn on ，press“ ”to choose fan speed
（high ）、（mid ）、（low ）、
（ ）。
（high ）、（mid ）、（low ）、（ ）
Setting time
Thermostat turn on，press“ ”3-5s ，chose ，
then press“ ” to set time：
Minute“mm”flashing，press“ ”or“ ”to adjust，
press“ ”to next setting.as same method to set
hour and week.finally press or wait 5S to exit
Timer
After connected wifi ,click “cloud” on the right corner of
APP to set
Working mode
Thermostat turn on，long press“ ”3-5S，choose
,next press to choose mode。
“ ” is mean cooling mode，“ ”is mean heating
mode，“ ”is mean ventilation mode； is mean
auto mode
Auto heating mode Auto cooling mode
Heating mode Cooling mode
Manual/
programmable
Thermostat turn on，shore press“ ” to run
programmable mode ：press again to run manual mode
Control valve
When cooling mode(heating mode)，indoor
temperature more（lower) 1℃ than setting
temperature，open valve；after equal，closed valve，
fan is still running 。
Ventilation mode（fan is not control by temperature
as default）
If fan be controlled by temperature,then valve and fan will be
closed.
Locked
function
If open locked function, the will be auto locked if have not
any operation within 10S. Long press to unlock
Alarm
E1 ：inner sensor alarm。
E2 ：external sensor alarm
When temperature more than 55℃,then display“HI”。
When temperature lower than 0℃,then display
“LO”
Sleep mode
Long press , is flashing，short press to
run it，short press to cancel
Remark：Sleep mode is not available when run ventilate
mode or auto mode
Set Programmable
HY08AC thermostat support set different time and different temperature；Compatible with 5+2,6+1,7days
Programmable

Long press 3-5S，next short press to
choose ，then short press to set
programmable，use and to adjust
value 。After short press to set next time
section setting
Time section
Icon
Time
(default)
Temperatur
e(default)
Monday
to
Sunday
1
06:00
20°C
2
08:00
15°C
3
17:00
22°C
4
22:00
15°C
Advance setting
Turn off thermostat ,long press 5S to enter press“ ”or“ ”to set item Short press to set next item
Symbol
Item
Parameter
Default
A1
Temperature
Calibration
-9-+9℃
0.5℃Accuracy
Calibration
A2
Children Lock
1：half lock；（It is available to turn
on/off and adjust temperature）
0：full lock
1
A3
Setting the lowest limit
temperature
5-15℃
5℃
A4
Setting the highest limit
temperature
16-50℃
35℃
A5
Fan is control by
temperature
0=YES
1=NO
0
A6
Programmable
0=5+2
1=6+1
2=7
0
A7
Choose valve output
2：2pipe
4:4 pipe
4
A8
Choose sensor
N1:inner sensor
N2:external sensor
N3:Double sensor when choose
N3，①In the cooling state,
N1
normally only valve is opened.
When the temperature is detected
to be lower than (X-2) °C, the fan
is turned on. When the fan detects
the temperature ≥X°C, the fan is
turned off；②In the heating state,
normally only valve is opened ,
and the fan is turned on when the
external temperature is detected to
be ≥X°C. When the temperature is
detected to be lower than (X-2) °C,
the fan is turned off.
A9
Set temperature for
external sensor
20-60°C
38°C
AA
Reset
Display A o, press key until
whole show
Ao
Cautions on Installation:
1.To prevent the thermostat display from a high fluctuation, special treatment has been made to the program. Therefore, it is
normal that the thermostat cannot immediately display the sudden change of temperature.
2. The thermostat installed on 1.5m above the ground.
3.For the thermostat installed,please take care not to install it to the wall corner, door / window side or behind the door or in
such unheated area as exterior wall. Avoid hot / cold air duct, radiator, flue or thermal pipe
4 When install the power supply, make sure that the power cable is well insulated.
5.Don’t open the internal circuit board..
6.HY08AC series thermostat design for the standard 75x75x 35mm wall mount box installed. Follow the instructions to open the
rear cover base, mount it on the wall and wire it.
7.Before installing the thermostat, make sure that the system is disconnected. The maximum voltage of the system shall meet the
requirements specified in the Instruction Manual (Max. AC Voltage: 250V).