Tekmar 521 Manuel utilisateur

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A Watts Water Technologies Company

User Manual

Programmable Thermostat 521

Zoning

521

01/14

Replaces: New

Floor

MIN

Heat On Cool On

Room Floor

Heat Cool

Off

MAX

MODE

FrThWeTuMoSu

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A Watts Water Technologies Company

This brochure will provide you with the information you need to benefit the most

from your tekmar Thermostat. Please visit www.tekmarControls.com for more

detailed information on this or any other tekmar product.

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.

User Interface

HEAT ON

Heat is turned on.

COOL ON

Cooling is turned on.

FAN

The fan is turned on.

MODE HEAT

The heating system is

allowed to operate.

MODE COOL

The cooling system is

allowed to operate.

MODE OFF

The heating and cooling

systems are off.

SUN

Schedule operating at the

occupied temperature.

MOON

Schedule operating at the

unoccupied temperature.

WARNING SYMBOL

Indicates an error is present.

HOLD

Permanently holds the

temperature and overrides

the schedule.

MIN

The floor is at or below the

floor minimum temperature.

MAX

The floor has reached the

floor maximum temperature.

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A Watts Water Technologies Company

Heating Operation

Heating is available when the Mode is set to Heat. To change the heat temperature

setting, push the

button to select a preferred temperature setting for the

current schedule time period. The Heat On symbol is shown on the display when the

thermostat is heating.

To change the temperatures for the other time periods, enter the Set Temp menu by

pressing both the

and

buttons together, press Menu to locate the Set Temp menu,

and press PRGM to enter the menu.

Temperature Sensor Location

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

The thermostat can operate the heating system based upon either an air

temperature sensor, a floor temperature sensor, or a combination of both the air

and floor temperature sensors together.

Air Temperature Only

If there is only an air temperature sensor (no floor sensor), the thermostat maintains

the desired air temperature.

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 the 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. Setting floor

minimum and maximum temperatures is a way of enhancing the comfort of the

living space while protecting floor coverings.

Mode Button Operation

Press the Mode button to select Heat, Cool, or Off operation. The thermostat

must be configured for heat/cool/fan operation in order for the cooling operation

to be available.

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A Watts Water Technologies Company

Cooling Operation

Cooling is available when the Mode is set to Cool.

The thermostat must be configured

for heat/cool/fan operation in order for the cooling operation to available.

To change the cool temperature setting, push the

button to select a preferred

temperature setting for the current schedule time period. The Cool On symbol is

shown on the display when the thermostat is cooling.

To change the temperatures for the other time periods, enter the Set Temp menu by

pressing both the

and

buttons together, press Menu to locate the Set Temp

menu, and press PRGM to enter the menu.

Fan Operation

A fan is available when the thermostat operates a forced air heating or cooling

system. The fan can be set to On to allow air circulation through the building. This

is useful if the air in the room is stale or if circulating cool air from a basement

throughout a home can reduce the temperature in the upper floor without operating

the cooling equipment.

The thermostat includes a Hold button. When the Hold button is pressed, the thermostat

stops operating based on the programmable schedule and the hold temperature

can be set using the

buttons. Press the Hold button a second time to cancel

the hold and resume operating based upon the programmable schedule.

Hold Operation

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.

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A Watts Water Technologies Company

The thermostat includes a time clock that is automatically visible in the Home

menu when a programmable schedule is used. If the schedule is not used, the

user has the option to select whether the time is shown in the Home menu.

During a loss of power, the thermostat continues to keep the correct time

and date for at least 4 hours. If the power is off for more than 4 hours, the user

will need to set the time.

Time Clock

Energy savings can be achieved by lowering the heating temperature and increasing

the cooling temperature when the building is unoccupied or during the night.

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. The schedule can be off or on.

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.

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).

•

Programmable Schedule

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A Watts Water Technologies Company

Press and hold down both the

and

buttons together to enter the Programming

Menus.

While in the Programming Menus, the MODE button changes function to become the

MENU button.

Press the MENU button to change from one menu to the next.

While in the Programming Menus, the HOLD button changes function to become the

PRGM (program) button.

Press the PRGM button to enter the menu.

While inside a menu, the HOLD button changes to become the ITEM button.

Press the ITEM button to change from one setting to the next.

Navigation

Fan Menu

FAN

Select if the fan should operate continuously (On) or only together with the heating

or cooling equipment (Auto).

PRGM

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A Watts Water Technologies Company

Set Temp Menu

Time Menu

Schedule Menu

SET HEAT ROOM

Set the room heating temperature for the programmable schedule event.

SET HEAT ROOM

Set the room heating temperature for the programmable schedule event.

SET COOL ROOM

Set the room cooling temperature for the programmable schedule event.

SET COOL ROOM

Set the room cooling temperature for the programmable schedule event.

SET FLOOR

Set the floor heating temperature for the programmable schedule event.

SET FLOOR

Set the floor heating temperature for the programmable schedule event.

MINUTES

Set the current time minutes.

HOURS

Set the current time hours.

DAY OF WEEK

Set the current day of the week.

TIME MODE

Select either 12 or 24 hour time format.

CLOCK

Select whether to show the time clock on the display.

EVENT 1

The first programmable schedule time period of the day. The temperature settings

are used during this time period.

EVENT 2

The second programmable schedule time period of the day. The temperature set-

tings are used during this time period.

EVENT 3

The third programmable schedule time period of the day. The temperature settings

are used during this time period.

EVENT 4

The fourth programmable schedule time period of the day. The temperature settings

are used during this time period.

All specifications are subject

to change without notice

8 of 8 521_U - 01/14.

A Watts Water Technologies Company. Head Ofﬁce: 5100 Silver Star Road, Vernon, B.C.

Canada V1B 3K4, 250-545-7749, Fax. 250-545-0650

Web Site

: www.tekmarControls.com

More Information

This User Brochure contains standard information on how to make adjustments

to an installed product. More detailed information can be found in this product’s

Installation and Operation Manual (521_D) at www.tekmarControls.com

Setup Menu

Schedule Menu (continued)

SCHEDULE

Select if the thermostat should change the temperature automatically using a programmable

schedule.

EVENT PER DAY

Select either two or four scheduled events per day.

24 HOUR / 7 DAY

Select either a 24 hour or a 7 day repeating schedule.

OPTIMUM START

Select whether or not to use optimum start. The thermostat learns the heat up rate of the

room and starts heating in advance of Event 1 or Event 3.

UNITS

Select the temperature units to be either Fahrenheit or Celsius.

LIGHT

Select when the display back light should operate. Options are Off, Auto or On. Auto

operates the back light for 30 seconds after a keystroke.

TYPE

The device type number is 521.

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