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© 2011
D 406 - 12/11
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Item Button
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Each menu contains a list of Items that can be viewed and, in
some cases, adjusted. Press the item button to scroll through
the list in each Menu.
To view the next available item, press and release the Item
button.
To view the previous item, hold down the Item button, and
press and release the Up button.
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Up and Down Buttons
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The Up and Down buttons are primarily used for adjusting
settings.
To adjust a setting:
Select the appropriate menu using the Menu button.
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Select the item using the Item button.
Use the Up or Down button to make the adjustment.
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Default Item
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When navigating menus, the display reverts back to the default
item (View Menu) after 60 seconds of button inactivity.
To set the default item in the View menu, display the item
for more than five seconds.
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Access Levels and Thermostat Lock
The 406 is shipped pre-programmed with common settings.
The 406 has an ‘Installer’ access level that allows full access
to all settings and a ‘User’ access level that restricts the
number of settings available. The 406 defaults to the ‘User’
access level after 12 hours of operation.
All thermostats are locked while the 406 is in the ‘User’ access
level. Certain settings on the thermostat will be unavailable
while the thermostat is locked.
To change to the ‘Installer’ access level and Unlock the
thermostats:
In the Toolbox menu, locate Access
Adjust the access level to ‘Installer’ by pressing the up or down
button. This will permit setting changes to the control.
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Programming and Settings
The 406 settings can be found in the ‘Adjust’ menu. When
changing the items value, the setting is saved to the control’s
memory once the Item button is pressed to advance to the
next item, or after 60 seconds, the control times out and
reverts back to the ‘View’ menu.
All settings are stored in permanent memory and will be kept
correctly during any loss of power.
View Menu (1 of 3)
The View menu items display the current operating temperatures and status information of the system.
Item Field
Range
Description
– – –, -76 to
149°F
(-60 to 65°C)
OUTDOOR
SECTION D
Current outdoor air temperature as measured by the local or remote outdoor sensor.
The outdoor air temperature is shared to all thermostats in the tekmarNet
®
system.
“– – –” is displayed when no outdoor sensor is available.
– – –, -22 to
266°F
(-30 to 130°C)
BOILER
SECTION D
Current boiler supply water temperature as measured by the boiler sensor. The
control operates the boiler so that the boiler supply is within the boiler differential
of the boiler target. “– – –” is displayed when no boiler sensor is available.
Note:
This item is only available when a boiler water temperature is selected.
– – –, 35 to
200°F
(1.5 to 93.0°C)
BOILER TARGET
SECTION D
The boiler target is the temperature the control is currently trying to maintain at the
boiler supply sensor. The boiler target is calculated based on the outdoor design,
boiler design, and boiler minimum settings. “– – –” is displayed when no heat is
required for boiler zones.
Note:
This item is only available when a boiler water temperature is selected.