Tekmar TekmarNet 2 528 Manual de usuario

tekmarNet®2 Thermostat 528

Installation & Operation Manual

D528

12/11

Zoning

Replaces:08/10

The tekmarNet®2 Thermostat 528

provides operation for:

One Stage Heat•

Introduction

Features

Zone Synchronization

Zone Post Purge

Intelligent Setback (Timer 033)

One touch overrides (User Switch)

Auto Heating Cycle

tN2 Communication compatible

Room temperature limiting

Requires 2 Wires

Pulse Width Modulation

CSA C US Approved for use in

USA and Canada

Outdoor Temperature Display

Air Group Member

Backlight

Freeze Protection

Equipment Exercising

Floor Warming (Slab Sensor 079)

1 Auxiliary Sensor input

Supports Radiant Floor Cooling

•

Note

tN2 Zone Manager, Expansion

Module, Wiring Center or House

Control required for operation

tN2 Zone Manager, Expansion

Module, Wiring Center or House

Control required for operation

•

Congratulations on the purchase of your new tekmar thermostat.

This manual will step through the complete installation, programming and sequence

of operation for this control. At the back, there are tips for control and system

troubleshooting.

Getting Started

Preparation

tekmar or jeweller screwdriver

Phillips head screwdriver

•

Wire Stripper•

Tools Required

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

Materials Required

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

2, #6 x 1” Wood Screws

18 AWG LVT Solid Wire

(Low Voltage Connections)

•

Optional Adapter Plate 007 (for

installation on 2” x 4” gang box)

•

Installation

Table of Contents

Getting Started ..............................2

Installation .........................................2

Caution..........................................2

Preparation....................................2

Removing The Thermostat Base...3

Mounting The Thermostat Base....3

Thermostat Wiring.........................4

Testing the Thermostat Wiring ......5

Mounting the Thermostat ..............5

Cleaning the Thermostat...............6

Switch Settings ..................................6

User Interface....................................7

Display...........................................7

Button Operation ...........................7

Symbols Description .....................7

Settings ....................................8-14

Sequence of Operation....................15

Heating Operation .......................15

Air Group Operation ....................16

Floor Cooling...............................16

Schedules ................................... 17

Scenes (System Override) ..........17

Troubleshooting ...............................18

Error Messages......................18-21

Frequently Asked Questions .......22

Job Record..................................23

Technical Data.............................23

Limited Warranty and Product

Return Procedure ........................24

Caution

Improper installation and operation of this control could result in damage to the

equipment and possibly even personal injury or death. It is your responsibility

to ensure that this control is safely installed according to all applicable codes and

standards. This electronic control is not intended for use as a primary limit control.

Other controls that are intended and certified as safety limits must be placed into

the control circuit.

Choose the placement of the thermostats early in the construction process to

enable proper wiring during rough-in.

Consider the following:

Interior Wall.

Keep dry. Avoid potential leakage onto the control.

Relative Humidity max 80% up to 88°F (31°C) decreasing linearly to 50% RH

at 104°F (40°C). Non-condensing environment.

No exposure to extreme temperatures beyond 32-122°F (0-50°C).

No draft, direct sun, or other cause for inaccurate temperature readings.

Away from equipment, appliances, or other sources of electrical interference.

Easy access for wiring, viewing, and adjusting the display screen.

Approximately 5 feet (1.5 m) off the finished floor.

The maximum length of wire is 1000 feet (300 m).

Strip wire to 3/8” (10 mm) for all terminal connections.

Use standard 18 AWG wire for the tN2 connections.

•

Installation Location

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

Removing The Thermostat Base

Push

tab

1Remove thermostat

from base

To remove the thermostat base:

Place a small slot screwdriver or similar

tool into the slot located on the top of

the thermostat.

While pushing down against the plastic

tab, pull the thermostat away from the

thermostat’s base.

•

Mounting The Thermostat Base

Stud

Switch

Box

Thermostat

Base

007 Adaptor

Plate

31/4”

(83 mm)

If a single gang switch box is used,

an Adaptor Plate 007 is required to

mount the thermostat to the box.

Fasten the base of the

thermostat to the adaptor plate.

Feed the wiring through the

openings in the back of the

adaptor plate and thermostat.

Use the upper and lower screw

holes to fasten the adaptor plate

to the box.

•

Mounted on switch box

If a switch box was not used, mount the

thermostat directly to the wall.

Feed the wiring through the openings in

the back of the thermostat.

Use screws in the screw holes to fasten the

thermostat to the wall. At least one of the

screws should enter a wall stud or similar

rigid material.

•

Stud

23/8”

(60 mm)

screwhole

23/8”

(60 mm)

screwhole

Thermostat

Base

Wall

Mounted on wallboard

Thermostat Wiring

The thermostat operates a single heating system zone.

Power and communication are provided to the thermostat by connecting the tN2

terminals on the thermostat to the tN2 terminals on a tN2 Wiring Center, House Control,

Zone Manager or Expansion Module. tN2 terminals are not polarity sensitive.

Connect the optional auxiliary sensor wires to the sensor terminals 3 and 4.

12 34

tN2 Manager, Module

or Wiring Center

tN2 tN2 Slab Sensor 079, or

Outdoor Sensor 070, or

Indoor Sensor 076, 077, 084

1234

tNt 528

528

One Stage Heat

Mmm YYYY

Lot # 12345

Meets Class B:

Canadian ICES

FCC Part 15

1023-02

tN2

Switch Settings:

For instructions see brochure

Use at least 65°C conductors

Sensor

Setback

Scene

Lock

Not used Not used

Unlock

Oﬀ

No Power

Testing the Thermostat Wiring

Testing the Power

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

If the thermostat display turns on, this indicates that the thermostat is operating

correctly and there are no electrical issues. In the event that the display is off, or

the display is cycling on and off:

1. Remove the tN2 wires from the thermostat.

2. Use an electrical meter to measure DC voltage between the tN2 terminals.

If the DC voltage is 0 V (dc) for 20 seconds, then there is an open or short circuit

in the tN2 wires.

If the DC voltage is 0 V (dc) for 10 seconds and then is 23 to 24 V (dc) for 5

seconds, this indicates the wiring is correct.

3. Connect the thermostat to the tN2 wires connected to a zone on a House Control,

Wiring Center, or Zone Manager.

4. If the thermostat display is off, or is cycling on and off, move the thermostat to the

next available zone on the House Control, Wiring Center, or Zone Manager.

If the thermostat display remains permanently on, there may be a fault with the

previously tried zone on the House Control, Wiring Center, or Zone Manager.

If the thermostat display continues to be off, or is cycling on and off, there may

be a fault on the thermostat.

If a fault is suspected, contact your tekmar sales representative for assistance.

Testing the Heat Zone Output

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

1. Press the button and set the heating temperature above the current room

temperature. Make sure the display does not show “WWSD” or “Floor Max”.

2. When the H1 symbol appears on the display, use an electrical meter to check

for voltage on the House Control, Wiring Center, or Zone Manager relay. The

voltage is 24 V (ac) for zone valves, and 120 V (ac) for zone pumps when

operating correctly.

•

Mounting the Thermostat

To place the thermostat back on the

mounting base:

Place thermostat bottom tabs on

matching mounting base notches.

Pivot top of the thermostat

towards wall, ensuring wires clear

obstructions.

The top clasp makes a clicking

sound when properly closed.

•

Pivot

Tab

Switch Settings

Switches are set to “On”

position from the factory, and

do not require changing for

most applications.

12 34

1234

tNt 528

528

One Stage Heat

Mmm YYYY

Lot # 12345

Meets Class B:

Canadian ICES

FCC Part 15

1023-02

tN2

Switch Settings:

For instructions see brochure

Use at least 65°C conductors

Sensor

Setback

Scene

Lock

Not used Not used

Unlock

Oﬀ

No Power

Switch

Position

Action

SETBACK

The thermostat follows a programmable setback schedule

as a schedule member if available. Requires the installation

of a Timer 033 to use this feature.

OFF

The thermostat does not follow a programmable setback

schedule.

SCENE

The thermostat responds to changes in the scene (system

wide manual overrides). Requires the installation of a User

Switch 479 to use this feature.

OFF OFF

The thermostat does not respond to scenes.

LOCK ACCESS LEVEL

Locked to ‘User’ access level. Set to Lock when installation

completed.

OFF

UNLOCK ACCESS LEVEL

Unlock to allow ‘User’ and “Installer’ access level. Set to

Unlock during installation process.

tekmarNet®reset control must also be set to Unlocked

(Installer access level).

ON Not used

OFF Not used

The thermostats’s exterior can be cleaned using a damp cloth. Moisten the cloth

with water and wring out prior to wiping the control. Do not use solvents or cleaning

solutions.

Cleaning the Thermostat

12 34

1234

Mmm YYY

Meets Class B:

Canadian ICES

Switch Settings:

Setback

Scene

Lock

Not used Not used

Unlock

Oﬀ

SECONDARY DISPLAYMAIN DISPLAY

HEAT

Heat is turned on.

SUN

Operating at the occupied

(day) temperature.

MOON

Operating at the unoccupied

(night) temperature.

AWAY

Operating at the Away scene

temperature.

AIR GROUP

The air group is cooling.

Heating can start once the

cooling is finished.

LOCK

Locked to ‘User’ access level.

CLOCK

Operating on a

programmable schedule.

tekmarNet®

Communication is present.

WARNING SYMBOL

Indicates an error is present.

WARM WEATHER SHUT

DOWN

The heating system has been

shut off for the summer.

Display

Symbols Description

User Interface

Button Operation

Press the or the button to select the room temperature.

Settings (1 of 7)

Display Range Access Description Set to

40 to 95°F

(4.5 to 35.0°C)

Default = 70°F

(21.0°C)

Installer

User

SET ROOM HEAT

Set the room heating temperature while in the

event.

40 to 95°F

(4.5 to 35.0°C)

Default = 65°F

(18.5°C)

Installer

User

SET ROOM HEAT

Set the room heating temperature while in the

event.

40 to 95°F

(4.5 to 35.0°C)

Default = 62°F

(16.5°C)

Installer

SET ROOM HEAT AWAY

Set the room heating temperature while in the Away

scene.

Continued on next page.

• Press and hold down both the and buttons for 2 seconds to change from one step to the next.

• Release both buttons once the step has been reached.

• Press the or the button to change the setting, if available.

• Press and hold down both the and buttons for 2 seconds to go to the next step, OR

• After 10 seconds of no button activity, the display goes back to normal operation.

• Note: Set switch setting #3 and tekmarNet®system control to Unlock to change Access level to Installer.

Press

Together

Settings (2 of 7)

Display Range Access Description Set to

40 to 122°F

(4.5 to 50.0°C)

Default = 72°F

(22.0°C)

Installer

User

SET FLOOR HEAT

Set the floor heating temperature while in the

event.

Available when:

A slab sensor is installed on the auxiliary sensor

input AND Sensor setting in the Adjust menu is set

to Floor AND Room Sensor setting in the Adjust

menu is set to Off.

•

40 to 122°F

(4.5 to 50.0°C)

Default = 65°F

(18.5°C)

Installer

User

SET FLOOR HEAT

Set the floor heating temperature while in the

event.

Available when:

A slab sensor is installed on the auxiliary sensor

input AND Sensor setting in the Adjust menu is set

to Floor AND Room Sensor setting in the Adjust

menu is set to Off.

•

Off, 30 sec, On,

On +

Default = 30 sec

Installer

User

BACKLIGHT

Select the backlight operation.

Off = Permanently Off

30 = Temporary on for 30 seconds

On = Permanently On

On + = On during and off during

Continued on next page.

Display Range Access Description Set to

°F or °C

Default = °F

Installer

User

TEMPERATURE UNITS

Press the or the button to change from °F to

°C and vice versa.

Device Type with

Software Version,

Address

Installer

User

DEVICE TYPE

Display alternates between the Device Type (large

number) with Software Version (upper right corner)

and the thermostat address.

40 to 95°F

(4.5 to 35.0°C)

Default = 85°F

(29.5°C)

Installer

MAXIMUM SET ROOM HEAT

Set the maximum room heating limit while in the

event.

40 to 95°F

(4.5 to 35.0°C)

Default = 85°F

(29.5°C)

Installer

MAXIMUM SET ROOM HEAT

Set the maximum room heating limit while in the

event.

40 to 95°F

(4.5 to 35.0°C)

Default = 45°F

(7.0°C)

Installer MINIMUM SET ROOM HEAT

Set the minimum room heating limit.

Settings (3 of 7)

Continued on next page.

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