TA652FC-W – 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

TA652FC-W 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 °C or °F

  • Temperature measurable range : 0 - 50 °C

  • 2-pipe system

  • Manual changeover or Auto changeover 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 TA652FC-W 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

Normally the clock is automatically set once Wi-Fi is connected and synchronize for each day. So manual set is not necessary 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 synchronization is need. Please 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 schedule

  • 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 overwritten 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

Force 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 Celsius or Fahrenheit.

  • 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).

  • Forced Ventilation:

    • 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:

    Parameter for Auto Changeover mode.

  • Changeover cooling setpoint:

    Parameter 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 Wi-Fi Configuration

Yes or No

No

P20

Clear Parameter setting (restore default)

Yes or No

No

Adr

Address

…

Read only, eg: 75C68
  • Clear Wi-Fi Configuration:

    When set to yes, the SSID and Password stored in the thermostat will be cleared 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)

  • Address:

    The last 5 characters of the MAC address

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