Tekmar 4 Series Manual de usuario

U542

06/05

tekmarNet®4 Thermostat 542

- User Brochure

Table of Contents

Display.................................................................... 2

Symbols Description............................................... 2

User Interface......................................................... 3

Viewing Current Temperatures............................... 4

Viewing the Room Set Temperature....................... 4

Setting the Heating Temperatures.......................... 5

Temporary Temperature Adjustment ...................... 5

Adjusting the Temporary Zone Hold ....................... 5

Choosing the Mode of Operation............................ 5

Setting the Floor Warming Temperatures............... 6

Viewing the Current Time....................................... 6

Setting the Time ..................................................... 6

Selecting a Scene................................................... 7

Extended Absences................................................ 8

Selecting a Schedule.............................................. 8

Units of Temperature .............................................10

Backlight................................................................10

Cleaning the Thermostat ......................................10

Error Messages .....................................................10

Warranty ................................................................12

Congratulations

on the purchase of

your tekmar programmable

thermostat with communication.

This thermostat combines

easy-to-use programming with

advanced features to increase

both comfort and energy

efficiency.

Your tekmar thermostat allows

you to:

•

• Set a single schedule for your

heating system that all of your

tekmar thermostats can follow.

•

• Adjust the time and date on all

your tekmar thermostats from a

single thermostat

•

• View the outdoor temperature

on all of your tekmar thermostats.

•

• Easily set up custom “Scenes”

to match your home and lifestyle.

•

• Easily override your tekmar

thermostats if you are planning an

extended absence.

Display

MODE OF OPERATION

Displays whether in heating or cooling

mode.

FIRST STAGE OF HEAT

Indicates when the first stage of heat is

operating.

SCHEDULE MASTER

Indicates this thermostat is a schedule

master.

tN4 COMMUNICATION

Indicates when a communication network

is detected.

LOCK

Indicates that the access levels are

locked. Also indicates when an item is

visible but not adjustable.

OPTIMUM START / STOP

Indicates that Optimum Start or Optimum

Stop is active.

WARNING

Indicates an error is present.

TEMPORARY HOLD

Indicates that the temperature has been

temporarily adjusted from the scheduled

event temperature.

SCHEDULED EVENT

Indicates the current scheduled event.

Symbols Description

Item Field

Displays an abbreviated

name of the selected item

Number Field

Displays the current value

of the selected item

Status Field

Displays the current status

of the control’s inputs,

outputs and operation

Menu Field

Displays the

current menu

The control uses a Liquid Crystal Display (LCD) as the

method of supplying information on the operation of

the thermostat.

Access Levels

This thermostat has five access levels:

•

• SEC (Secure)

•

• LTD (Limited)

•

• USER (User)

•

• INST (Installer)

•

• ADV (Advanced).

This brochure only covers the features available in the

SEC, LTD and USER levels. Only qualified service people

should adjust the INST and ADV access levels.

All of the items displayed by the thermostat are organized

into six menus:

Item

Each menu has several items. The abbreviated name of

the selected item will be displayed in the item field of the

display. To view the next available item, press and release

the Item button.

Adjustment

To make an adjustment to a setting in the thermostat:

1. Use the Menu button to select the appropriate menu.

2. Use the Item button to select the desired item.

3. Use the Up or Down button to adjust the setting.

Default Item

When you display an item in the View menu for more than

5 seconds it becomes the default item. After you navigate

other menus, the display reverts back to the default item

after 60 seconds of button inactivity.

The Time is the only exception. It can be displayed

indefinitely.

User Interface

•

• View

•

• Adjust

•

• Time

•

• Scene

•

• Schedule

•

• Miscellaneous

These menus are listed in the Menu Field on the top left

hand side of the display.

Use the Menu button to advance to the next menu.

Continue

to next Item

Continue to next Menu

Continue

to next Item

Viewing Current Temperatures

Viewing the Room Set Temperature

Use the View menu to view the current temperatures being sensed by the thermostat. To view the available temperatures,

use the Menu button to go to the View menu. Use the Item button to view the temperatures.

The Room Set temperature is the temperature that the

thermostat is currently set to maintain.

To view the Room Set temperature:

1. Use the Menu button to select the View menu.

2. Use the Item button to select Room Set.

Room Temperature

This is the current air temperature of the room being

controlled.

Outdoor Temperature

If an outdoor sensor is connected, this is the current outdoor

air temperature.

Floor Temperature

If a floor sensor is connected to the thermostat, this is the

current floor temperature.

Remote Temperature

If a remote sensor is connected to the thermostat, this is

the current temperature at the remote sensor.

Outdoor High

Highest recorded outdoor temperature.

•

• Pressing the Up and Down buttons at the same time

while viewing the temperature resets the item.

Outdoor Low

Lowest recorded outdoor temperature.

•

• Pressing the Up and Down buttons at the same time

while viewing the temperature resets the item.

Setting the Heating Temperatures

Temporary Temperature Adjustment

Temporary Hold Adjustment

Permanent Temperature Adjustment

Press Up or

Down button to

Adjust “Wake”

temperature

To set the heating temperatures:

1. Use the Menu button to select the Adjust menu.

2. Use the Item button to select Set Heat.

3. Use the Up or Down button to adjust the temperature.

Note: If your thermostat is using the schedule feature, you

will have to set a Set Heat temperature for each period.

There are up to four periods:

You can temporarily adjust the temperature above or below

the set temperature for three hours.

To temporarily adjust the temperature:

1. Use the Menu button to select the View menu.

Use the Item button to select either Room or Room Set.

3. Use the Up or Down button to select a temperature.

“TMPY HOLD” flashes in the display while the thermostat

operates at the new temperature.

4. To cancel the temporary temperature, press the Up and

Down buttons at the same time.

Note: Refer to the “Adjusting the Temporary Zone Hold”

section to change the length of time from three hours.

•

• Wake

•

• Occ (Occupied)

•

• Unocc (Unoccupied)

•

• Sleep

Adjusting the Temporary Zone Hold

You can adjust the length of the Temporary Zone Hold.

To adjust the length of the Temporary Zone Hold:

1. Use the Menu button to select the Scene menu.

2. Use the item button to select Tmpy Zone Hold.

3. Use the Up or Down button to set the length of the Tmpy

Zone Hold.

Choosing the Mode of Operation

The thermostat has two modes of operation:

•

• Heat: Provides heating only.

•

• Off: Does not provide heating.

To choose the Mode of Operation:

1. Use the Menu button to select the Adjust menu.

2. Use the Item button to select the Mode item.

3. Use the Up or Down button to select either Off or Heat.

Setting the Floor Warming Temperatures

If a floor sensor is installed, you can set the minimum floor

temperature.

Caution: Setting a high floor minimum temperature can

result in overheating the room.

To set the floor minimum temperature:

1. Use the Menu button to select the Adjust menu.

2. Use the Item button to select FLOOR MIN.

3. Use the Up or Down button to adjust the temperature.

Note: If your thermostat is using the schedule feature,

you will have to set a FLOOR MIN temperature for each

period.

There are up to four periods:

•

• Wake

•

• Occ (Occupied)

•

• Unocc (Unoccupied)

•

• Sleep

Viewing the Current Time

Setting the Time

To view the current time:

1. Use the Menu button to select the Time menu.

Step 1: Use the Menu button to select the Time menu. The

current time and day displays. If the clock has not been

set, the time will flash.

Step 2: Use the Item button to advance to the next item.

The minutes begins to flash. Use the Up or Down button

to set the minutes.

Step 3: Use the Item button to advance to the next item.

The hours begins to flash. Use the Up or Down button to

set the hour.

Step 4: Use the Item button to advance to the next item.

The day begins to flash. Use the Up or Down button to set

the day.

Scene Description Thermostat Operation

1 Permanent 1 Scheduled event, Wake, Unoccupied, Occupied, Sleep, Away

2 Permanent Away 2 Away

DHW demands are ignored (applies to reset modules)

Setpoint demands operate (applies to reset modules)

3 Permanent Unoccupied 3 Unoccupied

4 Permanent 4 Scheduled event, Wake, Unoccupied, Occupied, Sleep, Away

5 Permanent 5 Scheduled event, Wake, Unoccupied, Occupied, Sleep, Away

6 Temporary Occupied 6 Occupied for 3 hours

7 Temporary 7 Scheduled event, Wake, Unoccupied, Occupied, Sleep, Away for 4 hours

8 Temporary 8 Scheduled event, Wake, Unoccupied, Occupied, Sleep, Away for 8 hours

Location Scene Temperature

Master Bedroom 1 Schedule

4 Schedule

Guest Bedroom 1 UnOccupied

4 Schedule

To select a scene:

1. Use the Menu button to select the Scene menu.

2. Use the Item button to select the Select item.

3. Use the Up or Down button to select the desired

scene.

•

• Default Scene: The default scene is Permanent 1. In a

typical installation, the thermostat follows the schedule.

•

• Factory set scene: When you select a factory set scene

(2, 3, and 6), all of the thermostats using the scene

feature use the temperature specified by the scene.

•

• Custom scenes: When you select a custom scene,

your installer will have preset each thermostat using

the scene feature to either follow its regular schedule,

or go to the set wake, occupied, unoccupied, sleep or

away temperature.

Example:

A house is normally in scene Permanent 1. There is a

master bedroom that operates on a schedule and there is

a guest bedroom that is normally set to Unoccupied. When

a guest arrives, the scene is to change to Permanent 4.

Scene 4 changes the guest room to operate on the setback

schedule.

Selecting a Scene

Scenes is a feature that your installer selects when he sets

up each thermostat in your system.

Please refer to the Job Record J542 for a record of how

your installer made these settings

Scenes allow you to change the temperature of all the

thermostats that use the Scene feature from a single

thermostat.

Several of the Scenes are preset from the factory. However,

your installer can customize several of the scenes based

on your needs.

Refer to the Scene table below for a description of each

scene.

Extended Absences

If you are going away for an extended period of time, the

AWAYHOLD feature allows you to override the regular

schedule of the thermostat for a set number of days.

During the Away Hold, the thermostat operates at the Away

temperature set by your installer.

After the Away Hold has expired, the thermostat returns to

its normal operation.

If you have multiple tekmar thermostats installed, you need

only to do the following on one thermostat.

To set the number of days you will be away:

1. Use the Menu button to select the Scene menu.

2. Use the Item button to select Away Hold.

3. Use the Up or Down button to set the number of days

that you will be away.

To start the Away Hold:

1. Use the Menu button to select the Scene menu.

2. Use the Item button to select the SELECT item.

3. Use the Up or Down button to select Scene 2 Permanent

Away.

Selecting a Schedule

Schedule Description

None No schedule is used.

Zone

The schedule only applies to this

thermostat.

MST1, MST2,

MST3, MST4

This thermostat is a system schedule

master. There are four possible

system schedules.

MBR1, MBR2,

MBR3, MBR4

This thermostat is a system schedule

member. The number indicates which

of the four system schedules the

thermostat is following.

During installation, your installer will have selected a

schedule for your thermostat.

To view the schedule your installer has selected:

1. Use the Menu button to select the Schedule Menu

2. Use the Item button to select the Heat Schd. You will

see one of the following:

•

• None: This thermostat is not using a schedule and

operates at a single temperature.

•

• Zone: This thermostat is using its own schedule.

•

• MST1 to MST4: This thermostat is a schedule master.

The schedule on this thermostat is being used by

this thermostat as well as several other thermostats.

Changing the schedule will affect other thermostats.

•

• MBR1 to MBR4: This thermostat is a member of a

master schedule that has been set on a separate ther-

mostat. If the master schedule is changed, it affects

this thermostat.

Master

Schedule 1

Members of

Schedule 1 Members of

Schedule 2

Master

Schedule 2

None Zone

Schedule

Zone 1 2 3 4 5 6 7 8

Selecting the Schedule Mode

The schedule allows for either 4 or 2 temperatures per day.

To select the schedule mode:

1. Use the Menu button to select the Schedule menu.

2. Use the Item button to select SCH MODE.

Schedule Type

Day 24 Hour 5-2 5-11 7 day

•

•• •

• •

•

Selecting the Schedule Type

The schedule type determines how frequently the schedule

repeats itself. This thermostat includes four schedule

types:

1. Use the Menu button to select the Schedule menu.

2. Use the Item button to select SCH TYPE.

3. Use the Up or Down button to select one of the following

four schedule types:

•

• 24 Hour: All days have the same schedule.

•

• 5-2: Monday to Friday follow the same schedule.

Saturday and Sunday follow the same schedule.

5-11: Monday to Friday follow the same schedule.

Saturday and Sunday have their own schedules

•

• 7 Day: All seven days of the week have their own

schedule.

3. Use the Up or Down button to select one of the following

two schedule modes:

•

• 4: Wake, Unoccupied, Occupied, Sleep

•

• 2: Occupied, Unoccupied

Schedule Mode Event 24Hr Sat Sun Mon Tue Wed Thu Fri

4 events per day

Wake 6:00 AM 6:00 AM 6:00 AM 6:00 AM 6:00 AM 6:00 AM 6:00 AM 6:00 AM

Unoccupied 8:00 AM 8:00 AM 8:00 AM 8:00 AM 8:00 AM 8:00 AM 8:00 AM 8:00 AM

Occupied 6:00 PM 6:00 PM 6:00 PM 6:00 PM 6:00 PM 6:00 PM 6:00 PM 6:00 PM

Sleep 10:00 PM 10:00 PM 10:00 PM 10:00 PM 10:00 PM 10:00 PM 10:00 PM 10:00 PM

2 events per day Occupied 6:00 AM 6:00 AM 6:00 AM 6:00 AM 6:00 AM 6:00 AM 6:00 AM 6:00 AM

Unoccupied 10:00 PM 10:00 PM 10:00 PM 10:00 PM 10:00 PM 10:00 PM 10:00 PM 10:00 PM

Setting the Schedule

The installer of this thermostat may have already entered

a schedule. Please refer to Job Record J542.

To set the schedule:

1. Use the Menu button to select the Schedule menu.

2. Use the Item button to select the first event of the

schedule.

3. Use the Up or Down button to set the start time of the

event.

•

• If you wish to skip the event, select “– –:– –” as the time.

“– –:– –” is found between 11:50 PM and 12:00 AM.

4. Use the Item button to advance to the next available

event.

5. Repeat steps 3 and 4 for all of the available events.

Units of Temperature

Backlight

Cleaning the Thermostat

You can display temperatures in either Fahrenheit (°F) or

in Celsius (°C).

To change the units of temperature:

1. Use the Menu button to select the Misc menu.

2. Use the Item button until the units flash.

3. Use the Up or Down button to select Fahrenheit (°F) or

Celsius (°C):

The thermostat’s display has a backlight. By default the

backlight is On. You can also se the backlight to come on for

30 seconds with each touch of a button or to remain Off.

To change the backlight setting:

1. Use the Menu button to select the Misc menu.

2. Use the Item button to select Backlite.

3. Use the Up or Down button to select a setting:

•

• ON: Backlight stays on.

•

• TMPY (Temporary): Backlight stays on for 30

seconds.

•

• OFF: Backlight is off.

Clean the thermostat’s exterior using a damp cloth. Moisten the cloth with water and wring out prior to wiping the thermostat.

Do not use solvents or cleaning solutions.

Error Messages

Warning Symbol

When the thermostat encounters a problem, a Warning

Symbol appears and a description of the error message is

displayed. To troubleshoot how to correct the error, please

refer to the Data Brochure or contact a qualified installer.

An electronic version of the Data Brochure D 542 is available

on the tekmar website: www.tekmarcontrols.com.

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