TRUEWAY TX-868 Digital Thermostat Product Data Sheet

TRUEWAY TX-868 Digital Thermostat

Introduction

TX-868 series thermostats are stand-alone digital thermostats with LCD displays. Designed for control fan speed, temperature, and on/off the valve In fan coil unit system. Models are suitable for heating and cooling control of 2-pipe fan coil units. The fan speed can be manually controlled by fan speed key or changed to high/middle/low speed automatically in auto mode.

Sleeping function
The temperature will be raised 1’C every hour until 26°C under this mode. Especially useful during midnight in spring and autumn.

Features

•  Large digital LCD display with blue backlight
•  manual 3-speed or auto fan
•  on/off output for valve
•  Sleeping function
•  Mounted onto standard as esmmjunction box
•  heating/cooling mode control

Specifications

• Application:2-pipe FCU
• Power supply:Ac220±10% 50HZ/60Hz
• Satpoint range/Setting unit: 10’C -30’C/1″C par step
• Ambient conditions:0’C-50’C Humidity:< 95%
• Tamp. Sansor:NTC 1 0K(25’C)
• Mode setting:Cool and heating
• Fan speed: Low, Mid, High, and Auto
• Control type: On/off control
• Accuracy:±1’C
• Enclosure: Fire retardant PC ABS
• Wire port:!!:1.5mm2
• Installation/ Dimansion:Vertical/ 88><92x40mm(WxHxD)

LCD display

Operation manual

• Press key to turn on or turn off the thermostat OFF, “” coin and room temperature will be shown on the screen when powering off under the activity of NO.5 sleeping function.
• Press to increase 1’C per step, while press to decrease 1’C, within the setpoint range.
• Press to switch the running mode:·(Cool) or ““(Heat).
  • Pressto switch fan speed: (LOW)”(Mid),”“(High)”“(Auto).
  • A. As setpoint 3’C or lower than the room temp High speed is switched automatically.
  • B. As setpoint approx. 2’C lower than the room tempmid speed is switched automatically.
  • C. As setpoint approx. 1″C lower than the room temp low speed is switched automatically.
• Sleeping function:
  • Press until the coin flash on screen, press  to confirm when power is on
  • Press until the coinflash on screen, press to cancel when power is on
• Temperature compensation:
  • Press “” and 3s to enter into the mode under power off, press “to increase 1″C per step, press ”   “to decrease 1″C per step, within setting range -9″C-9″C, press”” to confirm.
• Press both and  to enter into the memory function setting under power off, press or to switch on/off. All status, including fan speed, mode, temperature, and power on/off, will be stored when power fails.

Dimensions

Wiring diagram

Warning

• installed by a technician.
• Make sure the power is off
• Wire strictly to the wiring diagram.
• The rates current load of our thermostat is 3A, so make sure the current for FCU is less than 3A.
• 0ne thermostat is for one fan coil unit only, Avoiding burnout with a large current.

Schematic Drawing

• Fix the iron holder with a screw and install it in the cassette on the wall.
• Complete electrical connections correctly as to the wiring diagram.
• insert the thermostat and stuck it into the iron holder.

REFERENCE:

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TRUEWAY TX-868 Digital Thermostat Product Data Sheet

TRUEWAY TX-868 Digital Thermostat Product Data Sheet