T6861SeriesLargeLCDDigital Thermostat
110/220VAC
2-pipe/4-pipe fan coil control
Data sheet
Features
• Super modern appearance design, suitable for
office, hotel and residential building
• Horizontal and vertical model available for variant
application
• Slim design, direct installation on86 size box
• Stylish and elegant blue/green backlight with blue/
green colour ring
• 2-pipe/4-pipe integrated into one unit with easy
configuration
• Big LCD displaywithEnglish and icons
• Easy to install and set-up
• Time on/off function
• Selectable room temperature or setpoint display
•Manual or automatic fan speed selection
• Remote temperature sensor
• Energy savingmode activation by button press or
dry contact (key card)
• Cycle per Hour (CPH) function
•Adjustment of display room temperature
• Temperature unit either
o
C or
o
F
• User setting can be kept when power off
• Freezing protection function available
• Lock or unlock keys or part of keys in Installer Set-
up
• Heat and cool setpoint limitation for energy saving
Model summary
Application
T6861 digital thermostats are designed for
application of 3-speed fan and valves in fan coil
system.
Including:
2-pipe cool only/heat only/manual changeover and
4-pipemanual or automatic changeover
Ventilationmode
Manual or automatic 3-speed fan control
Water valve control
Fan speed can be selected to automatic or manual
3-speed control mode.
In ventilationmode, fan only support manual speed
control.
Model
Horizontal/
Vertical
Backlight/
Color Ring
Time
on/off
2-pipe/
4-pipe
Power
supply
（
V
）
Energy
Saving Ventilation
Manual/
Automatic
Fan
Remote
Sensor
T6861H2BB Horizontal
Blue
Y
2/4
220
Y
Y
Y
Y
T6861V2BB Vertical
Blue
Y
2/4
220
Y
Y
Y
Y
T6861H2GG Horizontal
Green
Y
2/4
220
Y
Y
Y
Y
T6861V2GG Vertical
Green
Y
2/4
220
Y
Y
Y
Y
T6861H1BB Horizontal
Blue
Y
2/4
110
Y
Y
Y
Y
T6861V1BB Vertical
Blue
Y
2/4
110
Y
Y
Y
Y
T6861H1GG Horizontal
Green
Y
2/4
110
Y
Y
Y
Y
T6861V1GG Vertical
Green
Y
2/4
110
Y
Y
Y
Y
APH07CH04
-
R2001EN
Note: Horizontal models are taken as samples for display, operationand installation pictures shown in below parts.
