TA65-FC — 2 pipe Fan Coil Wi-Fi Thermostat

CAUTION:

  1. Turn off all electrical devices (e.g. heater, cooler) that are connected to the unit before installation and maintenance.
  2. The installer must be a trained service personnel
  3. Disconnect the power supply before maintenance.
  4. It must be mounted on a dry clean indoor place.
  5. Do not expose this unit to moisture.
  6. Do not expose this unit to dipping or splashing.

Introduction

TA65 is a controller that controls fan coil system to maintain room temperature at a desired level.

Changeover sensor is required to install when auto changeover is used.

Feature List

  • Voltage supply: 230Vac
  • Temperature display in oC or oF
  • Temperature measurable range : 0 – 50 C
  • 2-pipe system
  • Manual changeover or Autochangeover can be selected
  • Selection of Heat/Cool
  • 7days/5+1+1days,1day program, no program.
  • EEPROM stores all settings
  • Adjustable control span

Wiring

NOTE: Power supply of TA65 is 230Vac.

Terminals Device
L 230Vac Live
N 230Vac Neutral
Qv Changeover valve
Q1 Fan Low
Q2 Fan Med
Q3 Fan High
T1 Floor Sensor
T2 Floor Sensor

Pull all cables back into the wall beforehand to avoid trapping of wires. Do not use any metal conduits or cables provided with metal sheaths.

Recommend adding fuse or protective device in the live circuit.

../_images/wiring-1.png ../_images/wiring-2.png

Mounting

../_images/mounting-1.png ../_images/mounting-2.png ../_images/mounting-3.png
  1. Wiring the terminals.
  2. Put into junction box.
  3. Mount the bottom plate of LCD board into junction box.
  4. Connect the wire to the LCD board.
  5. Assemble the Top and bottom plate of LCD Board.

Dimension in mm:

../_images/dimension-1.png ../_images/dimension-2.png

LCD Interface

LCD Indication

../_images/lcd_indication.png
sn item
1 Time
2 Room Temperature
3 Current Set Point
4 Temperature Unit
5 Current Program
6 Heat / Cool Mode
7 Auto Changeover
8 Output is On (when appear)
9 Fan Low/Med/High/Auto
10 Wi-Fi (appear when connected to router)
11 Mode Key: Press to internal setting 1. Long hold to internal setting 2.
12 Clock Key: Press to set clock. Hold to Program the Schedule
13 Short Press: Fan Key, Long Hold: On/Off Key
14 Up/Down key: Adjust Set point or Value of setting.
15 Blank: the area outside of the previous five keys

Turn On/Off the thermostat

Hold icon_onoff to turn On / Off the thermostat. When the thermostat is Off. No Output will be activated.

Clock setting

** Nomally the clock is automatically set once wifi is connected and synchronize for each day. So manual set is not ncecssary when it is online.

  • Press icon_clock to start the setting
  • Press icon_up / icon_down to change the day of week
  • Press icon_clock again to confirm day of week setting and start to adjust hour
  • Press icon_up / icon_down to change the hour
  • Press icon_clock again to confirm hour setting and start to adjust minutes
  • Press icon_up / icon_down to change the minutes
  • Press icon_clock again to confirm minutes setting and start to adjust day of week
  • Press [blank] to confirm or leave the clock setting. Or return after no key pressed for 20 seconds.

Clock synchronization

when Wi-Fi is connected and time synronize is need. Plesae use the App for time synchronization.

Schedule Programming

When 1 day / 5+1+1 day / 7day program is selected in internal setting.

  • Hold icon_clock to start the setting.
  • Press icon_up / icon_down to adjust the day of week
  • Press icon_clock to confirm.
  • Press icon_up / icon_down to adjust the time of schdule
  • Press icon_clock to confirm.
  • Press icon_up / icon_down to adjust the setpoint
  • Press icon_clock to confirm.
  • Press [blank] to confirm return.

Override Temperature

The Set point can be adjusted by icon_up / icon_down.

When it is in program mode, The set point will be overrided until the next time slot.

icon_clock can be pressed to release the override status.

Internal parameter setting 1.

  • Operation:
    • Press icon_mode key to start the setting
    • Press icon_up / icon_down to adjust the value
    • Press [blank] to confirm and move to next setting
ID Items Value Default Value
P00 User Interface Screen Saver 0-3 0
P01 Screen Saver Count down 0-120 20
P02 Display unit °C / °F °C
P03 Time Display unit 12/24 12
P04 Temperature Offset -5°C - 5°C, -10°F-10°F 0°C
P05 Switching Differential Heat 2 - 4°C, 4 - 8°F 2°C
P06 Switching Differential Cool 2 - 4°C, 4 - 8°F 2°C
P07 Program mode
No program (0) /
1day program (1) /
5+1+1 program (2) /
7day program (3)
 3
P12 Froce Ventilation Disable, Enable Disable
P13 Changeover Mode Heat, Cool, Auto Heat
P14 Changeover temperature Heat 27 - 40°C 27°C
P15 Changeover temperature Cool 10-25°C 10°C
  • User Interface Screen Saver:

    The thermostat will go to screen saver mode after no key for certain period.

    • Mode 0: Nothing will be displayed in screen saver mode.
    • Mode 1: Only room temperature will be displayed in screen saver mode.
    • Mode 2: Room temperature and Time will be displayed in screen saver mode.
    • Mode 3: Display all in screen saver mode.
  • Screen Saver Count Down:

    The count down time (in seconds) to screen saver mode.

  • Display Unit:

    Temperature unit in Celesius or Farenheit.

  • Time Display Unit:

    12/24.

  • Temperature offset:

    The temperature of internal sensor can be calibrated from -5°C - +5°C in case there is temperature difference between actual value and thermostat.

  • Switching Differential:

    The difference between switching the heating or controller on and off

    ../_images/switching-differential-1.png ../_images/switching-differential-2.png
  • Program Mode:
    • 0: No Program Mode, The thermostat control the temperature simply according to single setpoint.
    • 1: 1 day program, The thermostat control the temperature according to single schedule.
    • 2: 5+1+1 day program, The thermostat control the temperature according to 5 +1+1 schedule (Mon to Fri, Sat, Sun).
    • 3: 7 days program, The thermostat control the temperature according to 7day program (individual program for each day).
  • Froce Ventialtion:
    • Disable: Fan will turn on only when heat/cool is on.
    • Enable: Fan keeps on (low) even heat / cool is off.
  • Changeover mode:
    • 0: Heat mode
    • 1: Cool mode
    • 2: Auto Changeover: When changeover sensor detect the temperature above changeover heat set point. Heat mode will be activated.
      When changeover sensor detect the temperature below changeover cool set point. Cool mode will be activated.
  • Changeover heating setpoint:

    Paramter for Auto Changeover mode.

  • Changeover cooling setpoint:

    Paramter for Auto Changeover mode.

Internal parameter setting 2.

  • Operation:
    • Hold icon_mode key to start the setting
    • Press icon_up / icon_down to adjust the value
    • Press [blank] to confirm and move to next setting
ID Items Value Default Value
P19 Clear Wifi Configuration Yes or No No
P20 Clear Parameter setting (restore default) Yes or No No
  • Clear Wifi Configuration:
    When set to yes,the SSID and Password stored in the thermostat will be clerared so another SSID and Password can be set again.
  • Clear Parameter setting:
    When set to yes, all Internal parameter setting will be restored to default value in next power on (reset)

Technical Data

Power supply: 195-250 Vac
Relay Contact Voltage: 230Vac Max. 50/60 Hz
Relay Contact Current: 2A Max. for each
Sensing Element: 103AT
Terminals: 2 sq. mm Cable
Operating Temperature: 32 – 122 °F / 0 – 50 °C
Storage Temperature: 23 – 122 °F / -5 – 50 °C
Operating Humidity: 5-95%RHnon-condensing