TH146-P-U
User’s Guide
Programmable H/C Controller
TH146-P-U
1/4
1) Press Clk. The hour display flashes.
2) Set the hour using
.
3) Press Clk. The minute display flashes.
4) Set the minutes using
.
5) Press Clk. The day display flashes.
6) Set the day using
.
7) Press
to return to the normal display.
1) Press Clk for 3 seconds to display the year.
2) Set the year using
.
3) Press Clk to display the month.
4) Set the month using
.
5) Press Clk to display the date.
6) Set the date using
.
7) Press
to return to the normal display.
Press the Fan button to select the fan operating mode.
• In automatic mode, the fan runs only when heating or cooling
is activated.
NOTE: For gas-operated HVAC systems, there
might be a delay before the fan starts or stops when heating
is activated or deactivated.
• In continuous mode, the fan runs continuously and the
symbol is displayed.
NOTE: if Smart Fan is enabled, when
the controller is in periods 2 and 4 of automatic mode and in
unoccupied mode, the fan will run only when heating or
cooling is activated. The fan will run continuously the rest of
the time.
Press Mode to place the system in one of the following modes:
You can place the controller in the unoccupied mode using a remote
control device such as Aube’s CT241 telephone controller. In this
mode, the temperature is lowered in heating mode or raised in
cooling mode. The amount of temperature setback is set using the
configuration menu (see installation guide). The message UNOC
appears during the unoccupied mode.
NOTE: Automatic changeover is disabled during the unoccupied
mode.
Temporary Bypass
In the unoccupied mode, only the
buttons work. When you
adjust the temperature during this mode, the new temperature will
be used for the next 2 hours, after which the controller will return to
the previous setpoint. The message UNOC flashes during the
bypass.
Time and day setting
Programming
Program day selection
Program clear
Humidity setting
Return
Temperature
adjustment
mode selection
Fan operating
mode selection
System operating
mode selection
Up/Down buttons
Indicator LEDs
FAULT
: System fault
EH
: Emergency heat mode
DE
: Dual energy
Day
Clock
Indoor temperature
Outdoor temperature
Indoor humidity
Indicator LEDs
Backlight
The screen is lit for 12 seconds
when any button is pressed.
However, the screen remains lit
while you are configuring the
controller.
1. General Settings
1.1
Clock and Day Setting
1.2
Date Setting
2. Operating Modes
2.1
Fan Operating Modes
2.2
System Operating Modes
HEAT
The system is in heating mode.
COOL
The system is in cooling mode.
AUTO
The system is in automatic changeover mode. (The
system switches between heating mode and cooling
mode to maintain the desired temperature.)
OFF
The system is off.
EHEAT
The system is in emergency heat mode. Only auxiliary
heating is used when there is a call for heat. (This
mode applies only when the controller is connected to
a heat pump equipped with auxiliary heating).
2.3
Unoccupied Mode / Temperature Setback
This is a legacy product document
supported by Resideo. It is no
longer manufactured
