Home Products Thermostats Fan Coil Thermostat 24Vac 2 pipe fan coil control T6865 Series Large LCD Digital room Thermostat
24Vac 2 pipe fan coil control T6865 Series Large LCD Digital room Thermostat
24Vac 2 pipe fan coil control T6865 Series Large LCD Digital room Thermostat 24Vac 2 pipe fan coil control T6865 Series Large LCD Digital room Thermostat 24Vac 2 pipe fan coil control T6865 Series Large LCD Digital room Thermostat 24Vac 2 pipe fan coil control T6865 Series Large LCD Digital room Thermostat 24Vac 2 pipe fan coil control T6865 Series Large LCD Digital room Thermostat

24Vac 2 pipe fan coil control T6865 Series Large LCD Digital room Thermostat

Product ID : HTW-51-T6865
Product Attributes :

T6865 digital thermostats are designed for application of 3-speed fan and modulating valves in fan coil system.

Including:

§  2-pipe cool only/heat only/manual changeover

Ventilation mode

Manual or automatic 3-speed fan control modulating valve control

§  Fan speed can be selected to automatic or manual 3-speed control mode.

§  In ventilation mode, fan only support manual speed control.

Product Description

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HTW-51-T6865-T6865_EN.pdf

 >> General                             

T6865 digital thermostats are designed for application of 3-speed fan and modulating valves in fan coil system.

Including:

§ 2-pipe cool only/heat only/manual changeover

    Ventilation mode

    Manual or automatic 3-speed fan control modulating valve control

§  Fan speed can be selected to automatic or manual 3-speed control mode.

§ In ventilation mode, fan only support manual speed control.

T6861 digital thermostat

 >> Features                            
• Super modern appearance design, suitable for office, hotel and residential building
• Slim design, direct installation on 86×86mm box or 3×3inch box
• Stylish and elegant green/blue backlight with white colour ring
• 2-pipe integrated into one unit with easy configuration
• Big LCD display with English and icons
• Easy to install and set-up
• Time on/off function
• Selectable room temperature or setpoint temperature display
• Manual or automatic fan speed selection
• Energy saving mode activation by button press or dry contact (key card)
• Adjustment of display room temperature
• Temperature unit either ℃ or ℉
• User setting can be kept when power off
• Freezing protection function available
• Lock or unlock keys or part of keys in Installer Set-up ( ISU )
• Heat and cool setpoint limitation for energy saving
• 24VAC power supply

• 230VAC fan load, 4A resistive and 2A inductive switch rating

 >> Typical Wiring                 

wiring for honeywell thermostat t6861

 >> Specification                  

Power supply
24 (+/-10%) VAC
Frequency
50Hz
Modulating output
DC 0......10V, Support VC7900 series actuators
Fan load rating
230(+/-10%)VAC, 4(2)A
Relay life
100,000 times
Wiring
Max 16AWG
Sensing element
10K (@25℃) NTC
Control algorithm
PI, Modulating output
Accuracy
+/-1℃ at 21℃
Setpoint range
10~32℃
Display range
0~37℃
Protection Class
IP20 Operation temperature
Installation:
Installed on 86×86mm box or 3×3inch box

 >> Model Summary              

 

Model

Horizontal/   Vertical

 

Backlight

Time on/off

2-

pipe/ 4-pipe

Power supply

VAC

Energy Saving

 

Ventilation

Manual/

Automatic Fan

Remote Setback

T6865H2WB

Horizontal

Blue

Y

2

24

Y

Y

Y

Y

T6865H2WG

Horizontal

Green

Y

2

24

Y

Y

Y

Y

 >> Hotowell Products           

hotowell hvac products

 >> FAQ                                    

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