Cerbos HY08AC User manual
HY08AC Touch Screen Thermostat User Manual
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HY08AC-1 HY08AC-2 HY08AC-3
Technical Data
Power Supply
DC24V
Installation
Flush Installation
Valve output
0-10V
Fan power supply
24V/110V/240V 50/60HZ
Rated current
5A
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
Operation Instruction
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
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-2P no heating
mode);display “ ”means cooling,heating mode switch
automatically(HY08AC-4P-A).
IP Address
Query
In turn on state,long press“ ”for 3-5 seconds to enter into setting screen,choose
IP icon to query IP address
Motorized
In the cooling (heating) mode, when the room temperature is equal to the set
temperature, the valve outputs the control voltage 5V, for example, the valve
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
NO
Setting Options
Data Setting Function
Factory Default
AL
IP Low Address
01-FF
01
AH
IP High Address
00-FF
00
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.
Wiring Diagram
Valve Control
output control voltage is set to 10 aliquots "Refer to the advanced option P",
1: In the cooling mode,when room temperature lower than set temperature of
1℃,then output 4V; when room temperature low than set temperature of
2℃,then output 3V;when room temperature higher than set temperature of
1℃,then output 6V. 2:In the heating mode,when room temperature highter than
set temperature of 1℃,then output 4V; when room temperature highter than set
temperature of 2 ℃,then output 3V;when room temperature lower than set
temperature of 1℃,then output 6V
Remark:Ventilation mode (fan is not controlled)Fan control, the valve output
control is lower than the voltage 5V fan is turned off
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
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
E1:sensor short circuit alarm
E2:sensor open circuit alarm
When temperature higher than 55℃displays “HI”
when temperature lower than 0℃displays“LO”
1:Full Lock
2:Cancel Children Lock
A3
Setting
Limit
Temperature
Lowest
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
One Time
1=Timing Turn
Cycle Running
On/Off
On/Off
For
For
0
A7
Key Card Status
00:S1 Connect S2 Means
Put-in Card Status;
01:S1 Disconnect S2 Means
Pull-out Card Status.
01
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
Baud Rate
0：2400
1：4800
2:9600
0
AB
Communication Option
0：:485 2：Modbus
0
AC
Valve Output Choose
4:4 Pipes
2: 2Pipes
4
AD
Return To Factory Default Setting
Display A o,Long Press Fan Key
To Return To Factory Default
Setting
P
10V Output voltage equal
10: ten equal part,10V/10=1V
8:eight equal,10V/8=1.26V
6:six equal,10V/6≈1.67V
4:quarter,10V/4=2.5V
10
I
Output enable time
5-60 seconds
5
A1
Measure Temperature
Calibration
-9-+9℃
0.5℃Accuracy
Calibration
A2
Children Lock Setting
0:Half Lock;(can turn on/off
and adjust temperature)
0
This manual suits for next models
3
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