Tekmar tekmarNet 4 540, 540, tekmarNet 530 User Manual
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Zoning
U540
08/10
User Manual
tekmarNet®4 Thermostat 540
Congratulations on the purchase of your
tekmarNet® Thermostat! This product contains
the most advanced HVAC control technology in
order to ensure that your heating and cooling
systems run more efficiently and provide you
with the highest level of comfort.
Replaces: 03/09
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This brochure will provide you with the information you need to benefit the most
from your tekmarNet® thermostat. Please visit www.tekmarcontrols.com for more
detailed information on this or any other tekmar product.
This thermostat provides heating, cooling, and fan operation for one zone in your
building. The cooling system may send cool air into more than one heating zone, in
which case this thermostat will coordinate the change from heating to cooling.
The fan can be run with heating, cooling, or on its own to provide fresh air through
ventilation.
With the addition of one of tekmar’s energy saving accessories, this thermostat can
also lower its temperature setting at night or when you are away from the house.
Temperature Adjustment
You will be adjusting the temperature of the current operating mode. To adjust
temperature settings that are not shown on the screen, you must enter into the
Adjust Menu as described in the “Adjust Menu” section. There may be other symbols
on the screen that affect thermostat operation. Please see the “Display Symbols”
section for a description of each symbol.
This thermostat can operate at day or night temperatures (see “Day or
Night Temperatures” section) for HEAT and COOL settings. The temperature
can be adjusted as follows:
Step 1: Press the or button until the desired temperature is displayed.
Step 2: Release all buttons and wait for the display to return to normal operation.
The adjusted settings will be saved in memory.
Adjustment Buttons
Adjust the temperature
HEAT or COOL
displays depending
on Mode
Indicates
whether the day
or night
temperature is
being set
(if available).
If in Auto mode, press
the Mode button to
toggle between Heat
or Cool temperature
adjustment.
Note: Remember to
turn the mode back to
Auto after adjustments
are made.
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Adjust Menu
This thermostat has an Adjust Menu that allows adjustment of all of its settings.
The following items can be adjusted or viewed:
Step 1: Press and hold the
and buttons until the desired setting is shown
(a new screen will appear every 2 seconds).
Step 2: Press the or button to adjust the temperature setting.
Step 3:
Press and hold the and buttons again to advance to the next
adjustable setting. Repeat steps 1 and 2 until all adjustments have
been made.
Step 4: Release all buttons and wait for the display to return to normal operation.
The adjusted settings will be saved in memory.
Day and night temperatures (if available)
HEAT and COOL temperatures
Fan on-time
Backlight on-time
Temperature units °F or °C
Thermostat type (view only)
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The Adjust Menu can be accessed as follows:
This thermostat has access levels. It will typically be installed and programmed
by a heating professional and then locked in a “User” access level. System critical
settings will not be available for adjustment. For more information on these settings,
please consult your installing contractor or this product’s Installation and Operation
Manual. The following pages describe the settings available to the “User”.
Indicates setting
is in the Adjust menu
Press and Hold
and together
Indicates
whether the day
or night
temperature is
being set
(if available).
Indicates
whether HEAT
or COOL is
being adjusted
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This thermostat is capable of running at a lower temperature setting when you are
asleep or out of the building. An energy saving accessory can be added to your
tekmarNet® system in order to activate these energy saving setback temperatures.
If one is connected, day and night temperature settings will be available.
They are adjusted as follows:
479 User Switch
With the touch of a button,
tell every thermostat in
your house to operate at
their night setback or
Away temperature.
033 Timer
Program a night
setback schedule for
all of your thermostats
with one device.
tekmarNet® Energy Saving Accessories
----------------------------
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Examples of these settings are as follows:
Mode of Operation
day
night
HEAT example: 70°F (21°C) 65°F (18°C)
COOL example: 78°F (26°C) 85°F (30°C)
Note: The presence of a schedule is indicated by the clock symbol.
Step 1: Press and hold the and buttons to enter the Adjust Menu, and
wait until the desired setting is shown with the day symbol on the
screen (a new setting will appear every 2 seconds).
Step 2: Press the or button to adjust the temperature setting.
Step 3: Press and hold the and buttons until the same setting is shown
with the night symbol on the screen.
Step 4: Press the or button to adjust the temperature setting.
Step 5: Release all buttons and wait for the display to return to normal operation.
The adjusted settings will be saved in memory.
Day and Night Temperatures
Day or Night
Setting
Press and
Hold and
together
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