Valve Control
temperature 1
℃
,open motorized valve;when room temperature reach
setting temperature,close motorized valve,fan coil continues to work(it can
be set as fan close together with valve in advanced setting).
Ventilation mode(fan coil unit is not under controlling)
Fan coil unit is under controlling,it is valve and fan coil unit close together.
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
(HY08AC-K)
Enter into energy saving mode by 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 set as 18
℃
automatically,fan run in low speed
Alarm
Sensor occurs fault,thermostat close fan coil and motorized valve and
display“ ” and“E1”and“E2”.
E1:sensor short circuit alarm
E2:sensor open circuit alarm
When temperature higher than 55
℃
displays “HI”when temperature lower
than 0
℃
displays“LO”
Programmable Mode Setting And Working
HY08AC fan coil units thermostat can set different time different temperature;there is
“
”
(manual programmable) and
“
”(cancel programmable) 2 programs can be chosen.
Manual Programmable
Long press “ ”for 3-5 seconds to enter into setting screen,,short press " ”to choose “ ”
and press “ ”to confirm and enter into manual programmable setting.
After enter into manual programmable,To begin with the first period(“
” flashing) of
Monday,press “ ” to confirm,starting time(default 6:00),it can press“ ”or“ ”to adjust by
yourself,press every one time to increase or decrease 30 minutes and then press “ ”,press
“ ”or“ ” to adjust temperature,press “ ” enter into the second period “ ” setting,the
same as above to finish 4 periods setting,then enter into Tuesday setting,the same setting
method as Monday,then finish 7 days setting,no any operation for 5 seconds will save and
exit automatically.
Cancel programmable:long press “ ”for 3-5 seconds to enter into setting screen,short press
“ ” to choose “ ”programmable,press “ ”to confirm and to cancel programmable mode
back to upper setting screen.Press “ ”to choose next setting or waiting for 5 seconds to exit
Default Setting
Period
Period Setting
Default Time
Default Temperature
Monday
To
Sunday
1
06:00
23
2
8:00
26
3
17:30
26
4
22:00
23
Advanced Setting
In turn off state,long press
“
” for 5 seconds to enter into advanced setting.Press“ ”or“ ”to
set,short press “ ”to next option and press“ ”or“ ”to set
Display
Sign
Setting Options
Data Setting Function
Factory
Default
A1
Measure Temperature Calibration
-9-+9
℃
(Display room temperature,
Press , to calibrate room
temperature)
0.5
℃
Accuracy
Calibration
A2
Children Lock Setting
0:Half Lock;(can turn on/off
and adjust temperature)
1:Full Lock
0
2:Cancel Children Lock
A3
Setting Temperature Lowest Limit
1-25
℃
5
℃
A4
Setting Temperature Highest Limit
30-70
℃
35
℃
A5
Fan Coil Units Control
0=Fan Under Control
1=Fan Isn’t Under Control
0
A6
Timing Turn On/Off Running Way
0=Timing Turn On/Off For
One Time
1=Timing Turn On/Off For
Cycle Running
0
A7
Key Card Status
00:S1 Connect S2 Means
Put-in Card Status;
01:S1 Disconnect S2 Means
Pull-out Card Status.
00
A8
After Door Card Pull Out To Cool
Temperature
Setting Range 22
～
32
℃
26
℃
A9
After Door Card Pull Out To Heat
Temperature
Setting Range 10
～
21
℃
18
℃
AA
Valve Output Choose
2: 2Pipes
4:4 Pipes
4
AB
Return To Factory Default Setting
Display A o,Long Press Fan
Key To Return To Factory
Default Setting
Wiring Diagram
Cautions on Installation and Use
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.
If you have any problem for the installed ,please contact our company hysen, we will make
a demonstration for you
5.
Only the professional technicians are permitted to open the transmitting and receiving box
of the thermostat for installation. When install the power supply, make sure that the power
cable is well insulated.
6.
The thermostat is unrepairable product. The user shall not open the internal circuit board.
7.
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.
8.
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).
Warranty
：
We offer the warranty of 18 months, from the sales day. The products of our company can have
lifetime warranty ,if it is not the quality problems, or beyond the warranty period, we will charge
for the after-sale service.
