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Feature
Range
#
1
F / C
°F or °C
Zone Temp
2
Default Display
Set Point
3
Fan Off Delay
0 – 255 Seconds
4
Range Low
50 - 90°F, 10 - 32°C
5
Range High
50 - 90°F, 10 - 32°C
OFF
6
Setback Low
50 - 82°F, 11- 27°C
OFF
7
Setback High
58 - 90°F, 15 - 31°C
Zone Temp
8
+/- 9°F, +/- 4.5°C
Offset
ON 1
9
Keypad Lock
ON 2
OFF
FAN ON
10
Fan Mode
FAN AUTO
FAN ON or AUTO
1 - High
11
Fan Speeds
2 – Low and High
3 – Low, Med, High
Off, Auto
Off, Heat, Cool, Auto
12
System Mode
Off, Heat, Cool
Heat, Cool, Auto
Controlled Off
ON - Enable
13
or Off Override
OFF - Disable
Front Panel
ON - Enable
14
Setback Control
OFF - Disable
Cycled Outside
ON - Continuous
15
Air (OA) Damper
OFF - Cycles
Temp Based
ON = Temp. Based
16
Purge Cycle
OFF = Time Based
Dead Band
3 to 10°F,
17
Adjustment
1.5 to 5°C
user operation
•
All changes are saved when the thermostat times out.
•
Fan and System user selectable options are determined in the
Service Menu.
room temp. and adjustable set point (desired) temp.: Unless
adjusted in the Service Menu, the thermostat displays the current room
(Zone) temperature. To adjust the desired room temperature (set point
value), press either the UP or DOWN arrow key.
system Button operation: Continue to press the System button to
change the current (flashing) system mode.
•
OFF: All thermostat outputs are disabled.
•
HEAT: The thermostat operates as a Heating only thermostat.
•
COOL: The thermostat operates as a Cooling only thermostat.
•
AUTO: The thermostat automatically selects the appropriate Heat
or Cool mode depending upon the Set Point (Desired Temp) and
Zone Temperature (Actual Temp).
•
SETBACK: If enabled in Service Menu 14, SETBACK will display
as an available mode selection. This mode is an energy saving
feature that minimizes heating and cooling when the room is
not occupied. The thermostat will control to the SETBACK Heat
© COPYRIGHT 2007 PECO, INC. ALL RIGHTS RESERVED.
Std. Model
Increment
Description / Comments
Default
Determines temperature displays in Fahrenheit or Celsius.
°F
°F
Zone Temp
-
Choose if you want the Set-Point or Zone (room) temperature to be the primary display on the thermostat.
0
1 Second
The amount of time (in seconds) the lowest available fan speed will run after the thermostat outputs are disabled.
50°F
1°F, .5°C
The lowest selectable temperature Set-Point value.
90°F
1°F, .5°C
The highest selectable temperature Set-Point value.
The temperature Set-Point value you want the thermostat to Heat to when the T170 is in the Setback mode.
55°F
1°F, .5°C
90°F
1°F, .5°C
The temperature Set-Point value you want the thermostat to Cool to when the T170 is in the Setback mode.
Zone Temperature offset adjusts the sensed Zone Temperature reading from the A to D converter, allowing calibration in the field.
0°F
1°F, .5°C
Allows you to choose what the occupant can access. The Service Menu is still available if Key Pad Lock Out is ON.
ON1 = Disables Sys/FAN/Status
OFF
-
ON 2 = Disables all buttons
OFF = No keypad lock out.
ON = Fan is always on, regardless of demand.
ON or AUTO
-
AUTO = Fan is only on with heating or cooling demand.
ON or AUTO = User can choose either selection.
1 Speed = Fan High
3
-
2 Speed = Fan Low and Fan High
3 Speeds = Fan Low, Medium, and High
Off, Heat,
Allows you to determine what system modes the occupant can select.
Cool, Auto
-
When ON, the unit will control to the Setback Set-Points and override the user mode setting of OFF if the room temperature is equal
OFF
-
to or above the Cool Setback Set-Point or equal to or below the Heat Setback Set-Point.
When enabled / ON, SETBACK is shown as an available System mode selection. If SETBACK mode is selected, the thermostat will
OFF
-
control to the current Setback Heat and Setback Cool Set Points.
OFF
OFF - Cycled = OA output cycles with active heat or cool demand.
Cycles with
-
ON - Continuous = OA output is active anytime the thermostat is out of the OFF mode.
Demand
OFF
-
Determines if the Purge Cycle will be Temperature or Time based.
Time Based
A changeover deadband value prevents short cycling between Heating and Cooling modes. The value is adjustable to meet various
3°F
1°F, .5°C
HVAC system requirements.
and Cool Set Points, rather than the standard Set Points. When
a demand for heating and cooling exists, the fan will run at the
lowest speed. When in SETBACK, the display will show the room
temperature along with the SETBACK icon. Key presses will
have no effect on the Setback operation except for the System
Switch Selection button, which allows the user to exit this mode.
fan Button operation: Continue to press the Fan button to change the
current (flashing) fan mode.
•
ON: Fan is on continuously, even if no demand for heating or
cooling exists.
•
AUTO: Fan cycles with active demand for heating and cooling.
speed or f/c operation:
•
SPEED: For units with a speed button (TA170 Models), the user
can choose the desired fan speed by pressing the speed button.
If you are operating a TA170 configured with only 1 speed fan,
this button is disabled.
•
F/C HOLD: On units with F/C HOLD below the SPEED icon
(TA170 Models), hold button for 5 seconds to toggle the display
between Fahrenheit and Celsius readings.
•
F/C: Push button to toggle between Fahrenheit and Celsius scale
P/N 69287 3220-2084 REV 0 PAGE 3
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