Honeywell AQ1000TN2 User Manual
Hydronic Zoning Thermostat
AQ1000TN2
OWNER’S GUIDE
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© 9-06 Honeywell International Inc. All rights reserved.
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Table of contents
User’s section
About your new thermostat....................................................................................1
Screen display .......................................................................................................2
Power-up / modes of operation..............................................................................3
User’s configuration menu.....................................................................................4
Temperature display and setting............................................................................6
Installer’s section
Installation..............................................................................................................7
Configuration switches...........................................................................................8
Installer’s configuration menu................................................................................9
Appendix
Technical specifications.......................................................................................12
2-year limited warranty ........................................................................................13
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About your new thermostat
Honeywell’s AQ1000TN2 hydronic zoning thermostat can be used to control the ambient air
temperature or floor temperature. You can
choose among the following temperature control modes (see page 8):
A mode:
F mode:
AF mode:
• controls and displays the
ambient air temperature
• controls and displays the floor
temperature using an external
temperature sensor
• controls and displays the
ambient air temperature
• maintains the floor temperature
within desired limits using an
external temperature sensor
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Screen
Temperature
adjustment
buttons
Backlight
button
Screen display
The arrow appears when
the setpoint is displayed
Temperature
control mode
Indoor temperature
Outdoor temperature
1
Heating is On
Freeze Protection mode
(see next page)
1
The outdoor temperature will be displayed only if the data is available.
2
This icon appears to indicate that the thermostat settings cannot be modified as the hydronic
Keypad lock
Comfort / Unoccupied mode
(see next page)
2
zoning controller has locked the keypad. The backlight button and the buttons can still be
used to activate the backlight and to display the setpoint.
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Power-up / modes of operation
The thermostat is powered through the wires connecting it to the AQ2000 Series
hydronic zoning controller. Therefore, the thermostat turns on when the controller is
powered. The thermostat can be placed in one of the 3 following modes of operation:
Comfort Mode
The thermostat is normally in the Comfort mode. In this mode, the
temperature is set using the buttons.
Unoccupied Mode
When the Unoccupied mode is activated by the hydronic zoning controller,
the temperature setpoint is lowered by the temperature setback value.
This value is set in the User’s configuration menu (see page 5).
Freeze Protection Mode
When the Freeze Protection mode is activated by the hydronic zoning
controller, the thermostat is placed at the Freeze Protection temperature.
This value is set in the Installer’s configuration menu (see page 10).
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User’s Configuration Menu
1. Press the backlight button for 3 seconds to access the configuration menu.
The first parameter is displayed.
2. To modify a parameter, press either of the buttons.
3. To display the next parameter, briefly press the backlight button.
4. To exit the menu, press the backlight button for 3 seconds.
The parameters appear in the order shown in the following table.
Parameter Default setting Options
Display mode Automatic Automatic, °F, °C
Temperature setback 7 °F (4 °C) 0 to 16 °F (0 to 9 °C)
Backlight Temporary Temporary / Permanent
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Display Format
Use this parameter to choose the temperature display mode. When
the automatic mode is selected, the thermostat displays the
temperature format set on the hydronic zoning controller. If °F or °C is
selected, the thermostat displays the temperature in the selected
format respectively.
Temperature Setback
When the Unoccupied mode is activated by the hydronic zoning
controller (certain controller models only), the temperature setpoint is
lowered (set back). Use this parameter to specify the amount of
temperature setback.
Backlight
Use this parameter to choose between temporary and permanent
backlight. When temporary backlight is selected, the screen is lit for
12 seconds every time any button is pressed.
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Temperature Display and Setting
The thermostat generally displays the actual (measured) temperature. To display the
setpoint temperature, press one of the buttons once. The setpoint will be
displayed for the next 5 seconds. An arrow appears at the left of the setpoint
temperature display.
To change the setpoint, press one of the buttons until the desired temperature is
displayed. To scroll faster, press and hold the button.
Error Messages
The measured temperature is below the thermostat’s display range.
The measured temperature is above the thermostat’s display range.
Verify the thermostat and external (floor) sensor connections.
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Installation
1. Remove the faceplate from the base by unscrewing the screw underneath the ther-
mostat and tilting the bottom of the faceplate up. Note that the screw remains captive on the base.
2. Insert the wires through the center hole of the base and secure the base to the wall
or onto an electrical box.
3. Connect the wires to the terminals (no polarity to observe).
Terminal Description
1TH
2TH
3 SENSOR External sensor connections for floor temperature
4SENSOR
4. Set the configuration switches (see next page).
5. Re-attach the faceplate to the base and secure with the captive screw.
NOTE: Keep the thermostat's air vents clean and unobstructed at all times.
AQ2000 Series hydronic zoning controller connections
measurement (required only if the thermostat is set to F
or AF mode; see pages 1 and 8)
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Configuration switches
The configuration (DIP) switches are located behind the
thermostat faceplate.
NOTE : DIP switch 1 is not used.
Installer Configuration Menu (switch 2)
Use DIP switch 2 to set the thermostat in either Installer or
User mode.
Temperature Control Mode (switches 3 & 4)
Use DIP switches 3 and 4 to select the temperature control
mode (A, F or AF).
NOTE : F or AF mode should be used only when an external
(floor) sensor is connected to the thermostat (see page 7).
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