tekmar 481 Installation

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- Data Brochure

D 481

tekmarNet®4 User Switch 481

Information

Brochure

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to match

application

Application

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mechanical

applications

Rough In

Wiring

Rough-in

wiring

instructions

Wiring

Brochure

Wiring and

installation of

specific control

Data

Brochure

Control settings

and sequence of

operation

Introduction

The User Switch 481 has 3 programmable buttons that allow users to easily change the operating scene or allow users to enable / disable tN4 setpoint controls on a tN4 system.

Multiple User Switches are required if more than 3 scenes or setpoint enable / disables are desired.

The 481 has 3 output relay contacts that allow for connection to alarm systems or paging systems to alert service personnel. The output relay contacts can also be used to indicate the scene of the tN4 system to an automation system.

Features

• tN4 Compatible

• 3 User buttons

• 3 Programmable Output

Relay Contacts

- Output for Critical Alert

- Output for Non Critical Alert

- Output for Scenes

- Output for Enable / Disable Signal

User

Button

User

Button

User

Button

07/09

Job

Decora cover plate not included

Record

Record settings &

wiring details for

future reference

Table of Contents

Table of Contents .............................. 2

User Interface ................................... 2

Sequence of Operation ..................... 2

Three User Buttons ..................... 2

Programming the User Buttons .... 4

Output Relay Contacts and

Applications Using Multiple

480 & 481 Together ..........................9

Cleaning the User Switch .............. 10

User Button Label Template ........... 10

Error Messages .............................. 11

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

DIP Switches .................................... 7

User Interface

The User Switch has a total of 5 buttons.

User Buttons 1, 2, and 3 allow for users to select the operation of the tN4 system.

Buttons A and B allow the installer to program the operation of User Buttons 1, 2, and 3.

BUTTON

User

Button

User

Button

User

Button

BUTTON

Factory Defaults:

User Button 1 Scene = 1 Label = Normal

User Button 2 Scene = 3 Label = Unoccupied

User Button 3 Scene = 2 Label = Away

Sequence of Operation

Three User Buttons

The User Switch provides users with a simple interface to change the operating scene of the tN4 system or provide an enable / disable to tN4 setpoint controls. The 481 has 3 User Buttons and 3 output relay contacts.

The 3 User Buttons provide the ability to:

1) Select a scene for the tN4 system

The User Buttons allow users to select the scene of the tN4 system. Each of the 3 User Buttons is programmed by the installer to select a particular scene on the tN4 system. The temperature of each tN4 thermostat in the system is pre-programmed by the installer for each of the scenes. This allows users to change the temperature of all the thermostats using a single button.

tN4 thermostats and tN4 setpoint controls must have Scenes turned to “On” in order to respond to scene changes on the User Switch.

When a User Button is pressed, the green LED under that button turns on and remains on until a new scene is selected, or the time for the selected temporary scene expires.

When the current selected scene on the tN4 network is the same as the scene that the User Button is programmed for, the button turns green.

When a selected scene is “On” and that User button is pressed again, the scene is changed based on the following table:

Current Scene

Press the

Same Button

New Scene

Perm Scene 1 No Change

Perm Scene 2 - Away Selects Scene 1

Perm Scene 3 - Unoccupied Selects Scene 1

Perm Scene 4 Selects Scene 1

Perm Scene 5 Selects Scene 1

Tmpy Scene 6 - Occupied Selects previous perm scene

Tmpy S c ene 7 Selects previous perm scene

Tmpy S c ene 8 Selects previous perm scene

Application Examples:

Allows residential users to change the scene to 2 (Away) while going on vacation, or select an occupied scene while entertaining guests.

Allows commercial users a simple way to allow staff to override the night setback / setup schedule on the tN4 system.

2) Provide a setpoint device enable

Each of the 3 User Buttons can be programmed to enable or disable one or more tN4 setpoint controls on the tN4 bus. The installer programs a setpoint device enable number for one of the User Buttons. In turn, the installer programs a tN4 setpoint control with the same setpoint device enable number. This allows users to enable or disable a tN4 setpoint control by pressing a single button. Multiple tN4 setpoint controls can be enabled or disabled from the same User Switch button.

The tN4 setpoint control operates for the “Occupied Time” or until the User Button is pressed once again to cancel the operation. The User Button is green when the tN4 setpoint device is in operation. Should the tN4 setpoint control be unable to operate, the button turns red for 5 seconds and then the button light is turned off.

See the tN4 Setpoint Control Data Brochure for more information on the setpoint control operation.

Application Examples:

A user can remotely enable a tN4 setpoint control to heat a hot tub or sauna.

A user can remotely enable a tN4 setpoint control to heat a garage or workshop.

3) Disabled Button

The User Button can be disabled so that it does not function when pressed.

In certain cases, the disabled button can be used to close the corresponding relay contact. See the “Button Operation” section for more information.

Programming the User Buttons

STEP 1

Remove the plastic trim bezel.

Button

User

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