Honeywell T6812DP08 Operating Manual

Honeywell T6812DP08 Operating Manual

T6811 series, t6812 series lcd digital thermostat 110/120/220 vac 2-pipe fan coil control
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T6811/6812 Series LCD Digital Thermostat
110/120/220 VAC
2-pipe fan coil control

Application

T68/682 digital thermostats are designed for
application of 3-speed fan and valves in 2-pipe fan
coil system.
Including:
- 2-pipe cool only/heat only/manual
changeover between heat and cool
- Manual 3-speed fan control
- Water valve control
In ventilation mode, fan only support manual speed
control.
APH07CH04 - R2000EN

Features

● Super modern appearance design, suitable for
office, hotel and residential building
● Independant installation on 86 size box directly
● Big LCD 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 unit either
● User setting can be kept when power off
● Lock or unlock keys in Installer Set-up
● Heat and cool setpoint limitation for energy
saving

Model summary

Operating
2-pipe/
Model
voltage
4-pipe
(V)
T682DP08
2
220
T68DP08
2
0

Data sheet

o
o
C or
F
Manual
Energy
Ventilation
/Automatic
saving
fan
N
Y
Y
N
Y
Y


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Summary of Contents for Honeywell T6812DP08

  • Page 1 T6811/6812 Series LCD Digital Thermostat 110/120/220 VAC 2-pipe fan coil control Data sheet Features ● Super modern appearance design, suitable for office, hotel and residential building ● Independant installation on 86 size box directly ● Big LCD with English and icon display ●...
  • Page 2: Mechanical Design

    Typical wiring for ON/OFF control in 2 pipes Heat/Cool/ operate according to selected fan speed. 1H1C (VC4013) Technical specification Power supply T6811DP08: 110(+20%,-10%)VAC T6812DP08: 220(+/-10%)VAC Frequency 50/60Hz Input Current 4(2)A Control algorithm PI, On/off output...
  • Page 3: Troubleshooting Tips

    Wiring & Thermostat installation Troubleshooting Tips I. Place Back cover over junction box, insert and make If… Then… the mounting screws tightly. ♦ Set the mode to Heat by pressing the Mode button. ♦ Check that the heat temperature setting Heating system is set above the room temperature and does not turn on.
  • Page 4: Installer Setup

    Installer setup Setup Function Settings & Options No. Description Possible Options 0 Heat only System type 1 Cool only 2 Two pipes 1H1C manual (Default) Number Temperature scale C (Default) Setting 4 (Default) CPH value For Heat Press and hold UP and MODE buttons 3 seconds to enter setup mode ●...

This manual is also suitable for:

T6811dp08

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