1) Fan speed setting in manual mode: under SA or FR temperature interface, press the arrow keys of
“△” and “▽” to set the fan speed. The speed of exhaust fan can be set in "FR" interface, while the
speed of the supply fan can be set in "SA" interface. There are 3 speeds of AC controller. For DC con-
troller, there are 10 speeds.
2) Fan speed setting in automatic mode: four periods timer
It is allowed to set 4 periods per day, 7 days per week, under every time period, user can set a fan
speed, then when the ventilator enter the very time period, it will automatically change the fan speed
according to the setting.
Time setting,
In the timer setting interface, long press the SET button to start time setting, at this time “hour”
flashes. Press the up and down buttons to adjust the hours, after hours setting one, short press the SET
button again to enter “minute” and “week” setting, under the same way to set “minute” and “week”,
then press Mode button or On/off button to exit the setting.
Timer setting
In the timer mode interface,
short press the SET button to start timer setting. At this time “week” flashes, press the UP and DOWN
button to select the “week”,
short press SET button to set the first period “hour”, press the UP and DOWN button to select the hour
Short press SET button to set the “minute”, press the UP and DOWN button to select the minute
Short press SET button to set the SA fan speed, press the UP and DOWN button to select the fan speed
Short press SET button to set the EA fan speed, press the UP and DOWN button to select the fan speed
After the first period setting is done, system will automatically change to be the second period setting.
3. Fan speed setting:
Time setting
Timer setting
4. Bypass on/off setting:
1) Bypass on/off setting in manual mode: under OA temperature interface, press the arrow button of
“△” for 6 seconds until the bypass icon appear, bypass open. While press the arrow button “▽”for 6
2) Automatic bypass function, refer to the parameter list number 3 and number 4, if the fresh air tem-
perature within the X and X+Y, then bypass open, if fresh air temperature lower than X, or higher than
X+Y, then bypass closed, i.e. by setting X=19, Y=3, then when fresh air between 19 and 22 celsius,
bypass open, when fresh air lower than 19 celsius or higher than 22 celsius, bypass closed.
Refer to the parameter list, the parameter number 2 is to switch manual bypass or auto bypass func-
tion. Value 0=manual bypass, value 1=auto bypass
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Touch Screen Controller Introduction
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