2 Stages, being: (1) COLD/REFRIGERATION Stage / (1) HOT/HEATING Stage.

Used in Hotels, Hospital Environments, Medical Clinics, Commercial Rooms, Buildings, Businesses in General and others. Contact us.

Honeywell Digital Wall Thermostat – Vertical  Model – Green Background.

Room thermostat developed to control valve with actuator and fan with 3 speeds.

Application: Fan-Coils, Fancoils, Air Conditioners, Heat Pumps, Self-Conditioners, Multi-Splits and Mini-Splits, Air Conditioners, Window Units and others.

Model: T6861H2WG

Description:

T6861 series, 120/220 VAC, wide LCD digital thermostat for control of 2- and 4-pipe fan and coil units.

Application:

The T6861 digital thermostats are designed for control of 3-speed fans and chilled water valves and coils, including the following applications:

• “Cold” mode (summer) / “hot” mode (winter) configuration / serves 2 to 4 tubes with manual or automatic change;
• 3-speed manual or automatic fan control (low, medium and high speed);
• Control of opening and closing of the actuator valve;

The fan speed can be selected as 3-speed manual or automatic control mode. In ventilation mode, the fan only supports manual speed control.

Features:

• Very modern appearance design, suitable for offices, hotels and residential buildings;
• Vertical and horizontal models available for different applications;
• Slim design, direct installation in an 86 x 86 mm box or a 2 x 4 inch box;
• Stylish and modern green backlight and white ring;
• 2/4 button control integrated into one unit with easy setup;
• Large LCD filter with icon and elegant display;
• Easy to install and configure;
• Function to program the next activation or deactivation within a selectable time;
• Room temperature display or setpoint display can be selected;
• Manual or automatic fan speed selection;
• Remote temperature sensor option;
• Energy saving mode activated by pressing a button or by dry contact (access card);
• Cycles per hour (CPH) function;
• Room temperature display settings;
• Temperature display in ^C or ^F;
• User settings are saved even if the power is interrupted;
• Freeze protection function available;
• You can lock the entire keyboard or certain keys through the installer settings;
• Limits (thresholds) can be set for heating and cooling setpoints to save energy;

Technical Data:

Power supply: 220V – 50/60Hz

Power supply: 220 (+10%, -15%) V AC

Setpoint reset for energy saving: Yes

Ventilation mode only: Yes

Manual/Auto Fan Option: Yes

Remote sensor option: Yes

Control algorithm: PI, on/off output

Accuracy: +/- 1°C to 21°C

Operating cycles: 100,000

Setpoint range: 10 ~ 32 ^C

Display range: 0 ~ 37 ^C

Installation:

Note:  The thermostat must be installed on the wall in a position with good air circulation and 1.5 meters from the floor to capture the temperature. Do not place the thermostat near windows or doors, in hot or cold places and away from sunlight.

Installs in 86 x 86 mm box or 2 x 4 inch box;

Protection class IP20

Operating temperature: 18 ~ 49 ^C

Shipping temperature: 35 ~ 65^C

Relative humidity 5 ~ 90%.

Terminal Designations (Wiring Diagram) – 12 Pins

1 – Cc – Close cooling valve

2 – Y – Cooling valve opening

3 – L – Line voltage supply

4 – Ch / Cc – Heating / cooling valve closing

5 – W / Y – Heating / cooling valve opening

6 – N – Line voltage neutral connection

7 – Gh – Relay for high fan speed

8 – Gm – Relay for average fan speed

9 – Gl – Relay for low fan speed

10 – Sc – Common connection for remote sensor and remote reset

11 – RSB – Remote Restart for Energy Saving

12 – Ra – Remote Sensor