Temperature display
The displayed temperature can be set to acquired
room temperature or setpoint. The setting can be
made during Installer Set-Up process.
Mechanical design
Thermostat appearnce
LCD display
Function
Floating Valve control
Thermostat acquires the room temperature via its
integrated sensor or external temperature sensor
and maintains the setpoint by delivering floating
valve control commands 3-position outputs.
Fan Operation
Fan can be selected as manual or automatic 3-speed
operation. In Manual mode, the fan is switched to
the selected speed via control output Gh, Gm, Gl.
While in automatic mode, fan speed depends on the
difference between room temperature and setpoint.
When room temperature reaches setpoint, valve will
be closed and meanwhile, fan will be closed either.
Time on/off
If the thermostat is off, hold power button for 3
seconds, system will be time on mode. If the
thermostat is on, hold power button for 3 seconds,
system will be time off mode.
The setting range is from 0 to 12 hours. The step is
0.5 hour with the default time is 0.
DIGITAL DISPLAY
FAN BUTTON
POWER BUTTON
MODE BUTTON
UP BUTTON
DOWN BUTTON
PRESS THE FAN BUTTON TO SELECT
LOW, MED, HIGH OR AUTO
PRESS THE MODE BUTTON TO SELECT
HEAT, COOL, AUTO OR VENT
Fan speed ramping control algorithm
Open Degree of Valve
30%
70%
Fan speed is high
Fan speed is medium
Fan speed is low
100%
0
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