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￭ Application
The TCA2 Series Touch Screen Fan Coil Thermostats control the fan
coil with local temperature to get comfortable environment. Select the
temperature scales and set points, the modes, and the different values
to control the Heating, Ventilating, and Air Conditioning (HVAC) system,
maintain
the
desired
room
Occupied/Unoccupied feature saves energy.
TCA2 features with microcomputer control, large LCD screen display,
and displays the status of work mode(cooling/heating/vent), fan speed,
indoor temperature and set temperature etc... Capacitance touch
screen enhances the fluency on operation. Keypad includes: Power
on/off (
), Mode selection (M), Fan Speed selection(
Clock/Timer( ) and two adjustment buttons( ＆ )
￭ Installation
Install the TCA2 where the occupant can read the display and adjust the set point easily. Situate the thermostat where the temperature is representative of the general room
conditions. Avoid installing near cold or warm air drafts, radiant heat, on an outside wall, or in direct sunlight.
￭ Mounting
Mount the TCA2 Series thermostat to a 75x75x5mm standard electrical wall box. (See Figure 3)
Follow the instruction in Removing the Base and then proceed to the Wall Mounting and the Wiring sections.
Note: All TCA2 Series models require two No.Mx5 mounting screws (Include in the box,screw PWT .5X5X5.5 is required if missing).
Figure 2: Installation diagram
Note: When wiring the TCA2 Series Thermostat use wire nuts to finish and isolate each connection, wire according to Figure 3.
￭
Instructions
•
On/Off Setting: Press " "to turn on, press again to turn off, close the fan an
• Mode Selection:
Press "M" to change the working mode, " " for Cooling， "
more than 1℃ higher than indoor temperature, the mode will change to heating automatically, When setting temperature is more than 1℃ lower than indoor temperature, the mode
will change to cooling automatically.)
•
Temperature Setting:
Press either " "or " " button to increase or decrease by 1
•
Fan Speed Adjustment:
Cooling or Heating Mode Operation
TCA2, has 4 speeds fan control: Auto
TCA2 Modbus Fan coil Thermostat
temperature.
The
optional
),
"
" 、High"
" 、Middle"
d valve.
" for Heating, "
"for venting.( key "M" is unavailable under auto mode.When setting temperature is
℃.
" 、Low"
"fan. Short press the"
1
"button switches through the sequence.