Tekmar TekmarNet 552 User manual

Zoning

U552

08/11

User Manual

tekmarNet®Thermostat 552 Replaces: New

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 for one zone in your building. It will maintain your

air temperature with an on board room sensor. Floor temperature control may also

be enabled in this thermostat when a floor sensor is installed. This thermostat can

lower its temperature setting at night or when you are away from the house.

Adjust

the Time.

Adjust the

Schedule.

tekmarNet®Thermostat 552 Home Screen

Display the Floor,

Outdoor or Set

Room Temperature.

Save

Energy

While on

Vacation.

Turn the

Heat on

or Off. Return to the

‘Home’ Screen

from any menu.

Adjust the Temperature.

Room

Temperature.

Home

Button

Display of the time, schedule and the away key on the home screen is optional and

can be turned on or off in the programming menus.

To enter the programming menus, press and hold the Home button for 3

seconds.

Touchscreen Adjustments

The touchscreen of this thermostat makes it easy to change commonly used settings.

Touch any item to adjust it’s setting. You will hear a “tick” sound each time you touch

the display. When you are finished making changes, touching the home button will

return to the home screen. If you do not touch the screen for 3 seconds, the home

screen is automatically displayed.

Display Symbols

This thermostat will display symbols on its screen in order to indicate what mode it

is in, what temperature it is operating at, or what equipment it is trying to turn on.

This section describes each of those symbols.

HEAT ON

Heat is turned on.

SUN

Operating at the occupied (day) temperature.

MOON

Operating at the unoccupied (night) temperature.

tekmarNet®

Communication is present.

WARNING SYMBOL

Indicates an error is present.

ARROWS

Adjust the displayed setting.

SCENE AWAY

Operating at Away temperature.

TEMPORARY HOLD

Hold for 3, 6, 9 or 12 hours.

WWSD

The outdoor air temperature is above the Warm

Weather Shut Down setting which shuts off the

boiler for heating.

COOL

Radiant floor cooling system is on.

or MIN or MAX

Reached the room minimum or maximum.

or MIN FL or MAX FL

Reached the floor minimum or maximum.

Adjust the Temperature - Temporary Hold

Temporary hold allows a user to change the temperature for a period of time and then

automatically return to the permanent temperature setting. This is especially useful

in commercial buildings that are in use for short amounts of time. When selected,

touching the up or down arrows changes the temperature for either 3, 6, 9 or 12

hours. If the thermostat is using a schedule, ‘Schd’ provides a temporary hold until

the next schedule event time. After the temporary hold time expires, the thermostat

returns to normal operation. By default, the temporary hold feature is off.

Adjust the Temperature

To change the set temperature, touch the or arrows to select a preferred

temperature setting. Press the home button to accept the setting or leave the screen

untouched for several seconds. This thermostat is capable of controlling the floor or

air temperature. When set to control the floor temperature alone, the large display

will say “Floor” instead of “Room”.

Note: The temperature is not adjustable if the thermostat is in the Away scene, the Off

mode or has been set to the “Limited” or “Secure” access level by the installer.

oradjusts

When the temporary

hold feature is enabled,

touching the up or

down arrow displays

‘TEMPORARY HOLD’.

Use the Up or Down

arrow to select a

temperature.

Tap the hour

setting until

the preferred

length of time

is displayed.

Cancel the

temporary

hold.

‘HOLD’ is displayed while the

thermostat is operating at the

temporary hold temperature.

Adjust the Time

Secondary Temperature Display

This thermostat can display the outdoor, floor or room set temperature in the smaller

number area at the top right of the screen. To toggle the item currently displayed,

touch the secondary temperature. Display of the floor or outdoor temperature

requires a connection to an external floor or outdoor air sensor.

To change the current time, touch the clock on the display.

Use the or arrow to change the minutes, hour

and day.

Touch “NEXT ITEM” to advance to the next item or

“BACK” for the previous item.

To store the new time and date, press the home button,

or leave the screen untouched for several seconds.

Note: The time is not visible when the thermostat is in

the Away scene or if the clock display is turned off in the

Time menu.

•

Mode Heat or Off

Heating operation can easily be turned off by selecting the “Off” mode. Touch the

Mode key on the screen to change between Heat and Off. The temperature is not

adjustable while the thermostat is off.

Note: If near freezing temperatures are detected the system will operate to maintain

40°F (4.5°C), even in the Off mode.

This thermostat is capable of running at a lower temperature setting when you are

asleep or out of the building. When the schedule setting is on, day and night

temperature settings will display on the screen. If you adjust the temperature while

the sun is displayed, the day setting changes. If you adjust the temperature while

the moon is displayed, the night setting changes.

To adjust the times when the day and night temperature start, touch the sun or

moon on the screen. “Schedule Menu” will display followed by the first adjustable

schedule event time.

Programmable Schedule - Day and Night

Use the or arrow to adjust the time for each event.

Touch ‘NEXT ITEM’ to advance to the next event or

‘BACK’ for the previous event.

To accept the settings, press the home button, or leave

the screen untouched for several seconds.

This thermostats schedule can be set to 2 or 4 events

per day repeating on a 24 hr or 7 day cycle. These

schedule settings are detailed later in this brochure.

•

Going Away Setting

This thermostat can save additional energy while you are

away by operating at a lowered temperature. To enable

this feature, touch “Going Away” on the screen. This is

only available when the Away Key has been turned on

in the Scene menu.

Select PERM (permanent) or a number of days using

the or arrow.

Press the home button to accept the setting or leave

the screen untouched for several seconds.

“Scene Away” is displayed on the home screen until

the number of days expires.

Touch “Cancel Away” to cancel at any time.

Note: The temperature is not adjustable while the

thermostat is in Away.

•

Access Levels

This thermostat has access levels. It will typically be installed and programmed by a

heating professional and then locked in a “User”, “Limited”, or “Secure” 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. This brochure focuses on settings available to the “User”.

Program Menu Settings

Press and

hold for 3

seconds to

access the

programming

menus.

To Enter the Programming Menus

----------------------------------

Press and hold the Home button for 3 seconds to enter the programming menus.

Select a Programming Menu

---------------------------------------

Touch “NEXT” to advance (clockwise in the illustration below) to the next menu.

Touch “BACK” to go backwards (counterclockwise in the illustration below) through

the menus.

Touch “ENTER” to enter a menu.

Setting Items

-------------------------------------------------------

Touch or arrow to adjust the setting if required.

Touch “NEXT ITEM” to advance to the next item within the menu.

Touch “BACK ITEM” to go backwards to the previous item within the menu.

To return to the parent menu after changing a setting, press and release the home button.

To return to the home screen, press and release the home button twice or wait 30

seconds to automatically return to the home screen.

•

Screen Clean Menu

Entering the Screen Clean menu gives you 30 seconds to clean the thermostat and

display with a moist cloth. Do not use solvents to clean the thermostat.

Set Temp Menu

Entering the Set Temp menu allows you to permanently change both the day

and night temperature settings for the room and / or floor.

If your thermostat is being used for radiant floor heating, a floor sensor can be

connected to it. Radiant floors heat the air by raising the floor temperature. Setting

a floor temperature is a way of enhancing the comfort of your living space. There

are two methods to operating the thermostat using a floor sensor.

Floor Temperature Only

--------------------------------------------

If the air sensor has been disabled, the thermostat will only maintain floor temperature

and ignore air temperature. This operation is recommended for areas such as

bathrooms to ensure that tile floors are warm to the touch.

Floor and Air Temperature

-----------------------------------------

If the air sensor is turned on and a floor sensor is connected, the thermostat will

maintain your desired air temperature as well as a minimum floor temperature.

This operation is recommended for areas with large windows that allow the sun to

shine into a room and keep it warm without the need for heat. This can allow the

floors to cool off during the afternoon. When the sun goes down, it can take a long

time for the floors to get warm again. This may cause the room to cool off too much in

the early evening. A floor minimum setting can help with this condition by maintaining

a floor minimum temperature. Keep in mind the floor minimum temperature will

override the air temperature, and if set too high, may overheat the room.

This operation is also recommended for rooms with hardwood floors. The floor

maximum setting prevents damage to the wood floor from overheating.

90°F (32°C)

Feels hot to the touch

80 to 85°F (26 to 30°C)

Feels warm to the touch

70°F (21°C)

Feels cool to the touch

40 to 45°F (5 to 7°C)

Feels cold to the touch

Suggested maximum for all floor

types other than wood.

Bathrooms and kitchens. Suggested

maximum for wood floors.

Rooms with large windows preventing

under heating in the evening.

Freeze protection for garages.

Time Menu Settings

Set date, month and year

Required for daylight savings time.

Daylight Save

Automatic daylight saving time update for the spring and fall.

Time Mode

Select either 12 or 24 hour time format.

Clock

Select on to display the time clock in the Home menu (available when schedules

are not used).

Schedule Menu Settings

Lowering the room temperature setting reduces the amount of fuel required to heat

the building resulting in energy savings.

When operating on a programmable schedule, a or a symbol is shown in the

home menu. The or indicates the current operating temperature.

All schedules are stored in permanent memory and are not affected by a

loss of power.

Display Action

Day temperature

Night temperature

This thermostat can operate on a programmable schedule in order to automatically

lower the room temperature setting. Options include:

Turning off the schedule (OFF)

Operate a schedule that applies only to this thermostat zone (ZONE)

The ability to operate one of the four system-wide schedules as a master (Schedule

Master 1 through 4*)

Join one of the four system-wide schedules as a member (Schedule Member

1 though 4*)

*Requires the thermostat to be connected to a tekmarNet®system.

Once the type of schedule has been selected, the thermostat can support schedules

that have either:

2 events per day

4 events per day

Schedules with four events per day are common for residential use while two events

per day are common for commercial installations.

•

Scene Menu Settings

Scenes

Scenes provide system-wide overrides to save energy. Select whether scenes are

not used (none) or if the away scene is available.

Away Key

If scenes are available, select if the away key is available or not.

Note: When used in conjunction with a tekmarNet®system control to operate the

heating appliance, the domestic hot water tank is not heated while in away scene.

Display Menu Settings

Units

Select temperature units in degrees Fahrenheit or Celsius.

Backlight Options

Select how the display backlight operates.

ON = The display is always at full brightness.

DIM = When thermostat is not in use, the display is dim but is at full brightness

when touched.

DIM = When the thermostat is not in use, the display is dim while the schedule

or scene is . The display backlight is off when the schedule or scene is . The

thermostat display is at full brightness when touched.

ON = When the thermostat is not in use, the display is at full brightness when

the schedule or scene is . The display backlight is off when the schedule or

scene is . The thermostat display is at full brightness when touched.

OFF = The display backlight is always off.

Secondary Item

Select whether the outdoor or floor temperature is shown in the upper right hand

corner in the Home menu.

•

The schedules can be repeated every:

24 hours

7 days (week)

A 7 day schedule allows a unique time to be set to change the temperature for each

day of the week.

The schedule also includes a “SKIP” option that allows the programmable schedule

to skip a temperature change and remain at the previous temperature setting. The

“SKIP” setting can be found between 11:50 PM (23:50 hours) and 12:00 AM (0:00

hours).

When a programmable schedule is selected, there is a time delay for the room to

warm up from the temperature to the temperature. The thermostat has the

option to use Optimum Start to predict the heat up rate of the room. When Optimum

Start is set to On, the heating is started in advance to allow the room to reach the

Set Room temperature at the time set in the programmable schedule.

•

Schedule Menu Settings (Continued)

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