Global Touch Screen Thermostat Hy08ac User Manual

HY08AC Touch Screen Thermostat
User Manual

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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 the temperature to open and close fan coil units and motorized valve in the end of air conditioning system,to achieve the 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

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 the setting screen, choose “ ” icon, press “ ” confirm to time setting:minute “mm” flashing,press “ ”or“ ”to adjust the value, press “ ” confirm to next setting; hour “NON” flashing, press“ ”or“ ”to adjust value;press “ ”confirm to next setting; week “ ”flashing, press“ ”or“”to adjust the value.At last press“ ”or no any operation for 5seconds to exit the setting.
Timing Turn on/off Setting	In turn-on state, long press“ ”for 3-5 seconds to enter into the setting screen, choose “ ”icon, press“ ”confirm to timing turn onset,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 offsetting,it displays“OFF ”and “–;–”or “Mon” 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
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 control Fan coil unit is under control,it is a 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 pulling out the door card, “ ”door card icon flashing,if the thermostat is in cooling mode, temperature set as 26℃ automatically,fan-run in low speed;if the 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 temperatures; there is “— ”(manual programmable) and “P ”(cancel programmable) 2 programs can be chosen.
Manual Programmable

Long press “ ”for 3-5 seconds to enter into the setting screen,, short press ” ”to choose “ P” and press “ ”to confirm and enter into the manual programmable setting. After entering 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 the temperature,press “ ” enter into the second period “ ”  etting,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 Timer	Default Temperature
Monday To Sunday	1		6:00	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 the 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
Al	Measure Temperature Calibration	-9-+9°C (Display om temperature, Press ,* to calibrate room temperature)	0.5°C n Accuracy Calibration
A2	Children Lock Setting	0:Half Lock;(can turn on/off and adjust temperature) 1:Full Lock	0

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 was installed 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 with the installation, please contact our company hysen, we will make a demonstration for you
5. Only professional technicians are permitted to open the transmitting and receive a box of the thermostat for installation. When installing the power supply, make sure that the power cable is well insulated.
6. The thermostat is an 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 a warranty of 18 months, from the sales day. The products of our company can have a lifetime warranty if it is not the quality problems, or beyond the warranty period, we will charge for the after-sale service.