Honeywell T6811DP08 Digital Thermostat Instruction Manual
- June 9, 2024
- Honeywell
Table of Contents
Honeywell T6811DP08 Digital Thermostat
Overview
Display
CAUTION
Electrical Hazard.
Can cause electrical shock or equipment damage.
Disconnect power before installation
Terminal Designations
| Terminal | Designation |
|---|---|
| L | Line Voltage Power |
| Ch/Cc | Heating close/Cooling close |
| W/Y | Heating open/Cooling open |
| N | Line Voltage Ground |
| Gl | Low speed fan |
| Gm | Medium speed fan |
| Gh | High speed fan |
Wiring Diagrams
Installation
- Pull the wires through the wire hole on the wallplate and place the back cover over the junction box.
- Insert the mounting screws and tighten. See Fig. 3, left.
- Loosen screw terminals used for the application. Insert the wires into the terminal block and tighten each screw terminal. See Fig. 3, right.
- Align the top of the thermostat with the back cover and push down on the back cover. See Fig. 4, left.
- Insert the locking screw into the whole on the bottom of the thermostat and tighten. See Fig. 4, right.
Installer Setup
- Press and hold UP and MODE buttons simultaneously for 3 seconds to enter the Installer Setup mode.
- Press UP or DOWN button to change settings.
- Press MODE button to advance to the next function.
- Press and hold UP and MODE buttons simultaneously for 3 seconds to exit and save settings.
| No. | Description | Possible Options |
|---|---|---|
| 1 | System Type | 0 Heat only |
1 Cool only
2 Two pipes 1H1C manual (Default)
9| Temperature Scale| 0 °F
0 °C (Default)
13| CPH value For Heat| 1–12
4 (Default)
14| CPH value For Cool| 1–6
3 (Default)
18| Display Temperature adjustment| -2°C (-4°F)
-1.5°C (-3°F)
-1°C (-2°F)
-0.5°C (-1°F)
0°C (0°F) (Default)
0.5°C (1°F)
1°C (2°F)
1.5°C (3°F)
2°C (4°F)
19| Temperature Display mode| 0 Display Room Temperature (Default)
1 Display Setpoint
20| Heating Range Stops| 10–32°C Default 32°C
(50–90°F) Default 90°F
21| Cooling Range Stops| 10–32°C Default 10°C
(50–90°F) Default 50°F
22| Keypad Lockout| 0 All keys available (Default)
1 All keys locked out
Installer Test
-
Press and hold UP and DOWN buttons simultaneously for 3 seconds to enter the Installer Test mode.
-
Press UP or DOWN button to change settings.
Press MODE button to advance to the next function. -
Press and hold UP and MODE buttons simultaneously for 3 seconds to exit and save settings.
| No. | Description | Possible Options |
|---|---|---|
| 10 | Installer Test Heat | 0 Heat Off |
1 Heat On
30| Installer Test Cool| 0 Cool Off
1 Cool On
70| Press UP button to see software info (71, 72 & 73)
71| Software version (Major)
72| Software version (Minor)
73| Identification code
Operating Your Thermostat
-
Power On/Off
Slide the POWER switch thermostat will enter the On/Off mode. -
Fan Switch
Slide the FAN switch to select Fan mode Low, Med, High. -
System Mode Setting
Press the MODE button to choose Heat, Cool or Vent. In ventilation mode, only the fan will operate. -
Temperature Setting
In Heat/Cool mode, press the or (UP or DOWN button) to select the desired temperature setting.
Table 1. Troubleshoting Tips.
| If… | Then… |
|---|---|
| Heating system does not turn on | • Set the mode to Heat by |
pressing the Mode button.
• Check that the heat temperature setting is above the room temperature.
• Check heating on icon shows solidly in the display.
• Wait five mintues for the heating system to respond.
Cooling system does not turn on.| • Set the mode to Cool by pressing the Mode button.
• Check that the cool temperature setting is below the room temperature.
• Check cooling on icon shows solidly in the display.
• Wait five mintues for the cooling system to respond.
The Mode button doesn’t work.| • Check whether the keypad is locked or not.
• Check whether the thermostat is off.
The Up or Down button doesn’t work.| • Check whether the keypad is locked or not.
• Check whether the system is working Ventilation mode.
• Check whether the thermostat is off.
Automation and Control Solutions
Honeywell International Inc. Honeywell Limited-Honeywell Limitée
1985 Douglas Drive North 35 Dynamic Drive
Golden Valley, MN 55422 Toronto, Ontario M1V 4Z9
customer.honeywell.com
References
Read User Manual Online (PDF format)
Read User Manual Online (PDF format) >>