SPECIFICATION DATA
Put Bar Code Here
63-4375ES—02
T6811/6812 Series Digital Thermostat
2-PIPE FAN COIL CONTROL
FEATURES
• Sleek modern design, suitable for office, hotel and
residential buildings
• Large LCD display with English and icon display
• Easy to install and set-up
• Selectable room temperature or setpoint display
• Manual fan speed selection
• Adjustment of display room temperature
• Temperature display in either °C or °F
• Permanent memory retention
• Keypad Lockout
• Heat and cool range stops for energy savings
APPLICATION
T6811/6812 digital thermostats are designed for application of
3-speed fans and valves in 2-pipe fan coil systems.
The T6811/6812 work for the following applications:
— 2-pipe cool only
— 2-pipe heat only
— 2-pipe heat/cool manual changeover
— Ventilation mode
— Manual 3-speed fan control
— Water valve control
Technical Specifications
Power Supply:
T6811DP08: 110(+20%,-10%)VAC
T6812DP08: 220(+/-10%)VAC
Frequency:
50/60Hz.
Input Current:
4 Amps Resistive/2 Amps Inductive
Control Algorithm:
PI, On/off output
Accuracy:
+/-1°C at 21°C
Rating Capacity:
220V: 4(2)A for fan load, 2(1)A for zone valve
110V: 4(2)A for fan load, 2(1)A for zone valve
Cycle Times:
100,000
Setpoint Range:
10°C to 32°C (50°F to 90°F)
Installation:
Installed on 86x86mm junction box or 2x4 inch junction box.
Protection Class:
IP20
Environmental Conditions:
Operating temperature: -18°C to 49°C (0°F to 120°F)
Shipping temperature: -35°C to 65°C (-31°F to 149°F)
Relative humidity: 5 to 90%, non-condensing
Action Type:
Action Type 1
Maximum Temperature for Relay Wiring:
155°C (311°F)
Dimensions:
(Fig. 1)
Fig. 1. Dimensions in in. (mm).
Table 1. Model summary.
Model
2-pipe/
4-pipe
Operating
Voltage (V)
Remote
Setback Ventilation
T6812DP08 2-pipe
220
N
Y
T6811DP08 2-pipe
110
N
Y
3-13/32 (86)
5
(126)
M29689A
