Tekmar TekmarNet 532 Bedienungsanleitung

tekmarNet®Thermostat 532

Installation & Operation Manual

532

02/15

Zoning

Replaces: New

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A Watts Water Technologies Company

The tekmarNet

Thermostat 532 is a communicating thermostat designed for one

stage hydronic heating systems. Simple up and down buttons and a display with

large type make this thermostat easy to read and use. It has two auxiliary sensor

inputs that can be assigned to measure room, floor, or outdoor temperature. An

optional floor sensor protects the floor from overheating and enhances comfort.

The 532 can be wired using 2 or 4 wires to connect to tekmarNet zoning controls,

or can be installed as a stand-alone thermostat using 3 wires.

Introduction

Features

tekmarNet communication

compatible

Radiant floor heating

Floor & air temperature control

Zone synchronization

Network schedule member

Optimum start

Away scene

Air group member

2 auxiliary sensor inputs

Backlight

Room temperature limiting

•

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Table of Contents

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

Important Safety Information .............................................................................3

Installation ..............................................................................................................4

Preparation ........................................................................................................4

Removing The Thermostat Base.......................................................................4

Mounting The Thermostat..................................................................................5

Thermostat Wiring .............................................................................................6

Testing the Thermostat Wiring...........................................................................8

Switch Settings.......................................................................................................9

User Interface.......................................................................................................10

Home Screen...................................................................................................10

Symbols Description........................................................................................10

Sequence of Operation......................................................................................... 11

Heating Operation............................................................................................11

Air Group Operation.........................................................................................13

Schedules........................................................................................................13

Scenes (System Override)...............................................................................14

tekmarNet®Address ........................................................................................14

Lock/Unlock And Access Levels .....................................................................14

Programmable Settings........................................................................................15

Troubleshooting ....................................................................................................17

Error Messages ...............................................................................................17

Technical Data .................................................................................................19

Limited Warranty and Product Return Procedure ...........................................20

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

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It is your responsibility to ensure that this thermostat is safely installed according to all

applicable codes and standards. tekmar is not responsible for damages resulting from

improper installation and/or maintenance.

Important Safety Information

This is a safety-alert symbol. The safety alert symbol is shown alone

or used with a signal word (DANGER, WARNING, or CAUTION), a

pictorial and/or a safety message to identify hazards.

When you see this symbol alone or with a signal word on your

equipment or in this Manual, be alert to the potential for death or

serious personal injury.

This pictorial alerts you to electricity, electrocution, and shock hazards.

This symbol identifies hazards which, if not avoided, could result in

death or serious injury.

This symbol identifies hazards which, if not avoided, could result in

minor or moderate injury.

This symbol identifies practices, actions, or failure to act which could

result in property damage or damage to the equipment.

Read Manual and all product labels BEFORE using the

equipment. Do not use unless you know the safe and proper

operation of this equipment. Keep this Manual available

for easy access by all users. Replacement Manuals are

available at tekmarControls.com

It is the installer's responsibility to ensure that this thermostat is safely installed

according to all applicable codes and standards.

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

equipment and possibly even personal injury or death.

This thermostat 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.

•

Do not attempt to service the thermostat. There are no user serviceable parts inside

the thermostat. Attempting to do so voids warranty.

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Preparation

tekmar or jeweller screwdriver

Phillips head screwdriver

Wire stripper

•

Drill (for wall anchor)

3/16" drill bit (for wall anchor)

•

Tools Required

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

Materials Required

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

18 AWG LVT Solid Wire

(Low Voltage Connections)

•

Installation

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

enable proper wiring during rough-in.

Installation Location

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

Consider the following:

Interior Wall.

Keep dry. Avoid potential leakage onto the control.

Relative Humidity less than 90%. 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 500 feet (150 m).

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

Use standard 8 conductor, 18 AWG wire.

•

Removing The Thermostat Base

To remove the thermostat base:

Locate the tab on the bottom of the thermostat.

Push the tab with either your thumb or with a

screwdriver.

Lift the thermostat front away from the thermostat’s

base.

•

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Mounting The Thermostat

Wall

Thermostat

Front

Thermostat

Base

If mounting directly to the wall:

Drill holes using a 3/16" drill bit and install the wall anchors.

Feed the wiring through the large hole in the thermostat base.

Fasten the thermostat base to the wall using the wood screws to the wall anchors.

Terminate wiring to the wiring strip. Do not over tighten wiring screws. Hand

tighten only.

Push the thermostat front onto the thermostat base.

•

3 1/4”

(83 mm)

Stud

Gang

Box

Thermostat

Front

Thermostat

Base

Adapter Plate 012

If a single gang box is used:

Adapter Plate 012 is required (sold separately).

Feed the wiring through the hole in the adaptor plate and the thermostat base.

Fasten the adaptor plate to the gang box.

Fasten the base of the thermostat to the adaptor plate.

Terminate wiring to the wiring strip. Do not over tighten wiring screws. Hand

tighten only.

Push the thermostat front onto the thermostat base.

•

To prevent the risk of personal injury and/or death, make sure power is

not applied to the thermostat until it is fully installed and ready for final

testing. All work must be done with power to the circuit being worked

on turned off.

Please be aware local codes may require this thermostat to be installed

or connected by an electrician.

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Thermostat Wiring

Zone Valve

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

tekmarNet®2 - Wiring Center 313 or 314

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

tekmarNet®4 - Wiring Center 315 or 316

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

tN2

tN4 Rh W S1 S2Com

No Power

tN2tN2

tN2

tN4 Rh W S1 S2Com

No Power

tN4 C R W

Optional Sensor 1

Optional Sensor 2

tN4 Wiring

Center

Optional Sensor 1

Optional Sensor 2

tN2 Wiring

Center

RtN2

tN2

tN4 Rh W S1 S2Com

No Power

Optional Sensor 1

Optional Sensor 2

Install field jumper

wire R to Rh

Zone Valve

24 V (ac)

Transformer

Boiler

Install field jumper

wire R to Rh

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Switching Relay

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

Thermostat Wiring

Relay 003

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

tN2

tN4 Rh W S1 S2Com

No Power

24 V

HNXX HNHN NH

Com Switching Relay

Zone 1 Zone 2 Zone 3

Class 2

Transformer

Zone 1 Zone 2 Zone 3

Optional

Sensor 1

Optional

Sensor 2

Pump

Boiler

tN2

tN4 Rh W S1 S2Com

No Power

T T

Optional

Sensor 1

Optional

Sensor 2

Pump

Relay 003

Boiler

Install field jumper

wire R to Rh

Available auxiliary sensors:

Outdoor Sensor 070

Slab Sensor 072 20' (6 m) wire

Slab Sensor 073 40' (12 m) wire

Indoor Sensor 076

•

Indoor Sensor 077 Cover Plate

Slab Sensor 079 10' (3 m) wire

Indoor Sensor 084 Flush Mount

•

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Testing the Thermostat Wiring

Only qualified personnel should perform testing procedures. A licensed electrician

is recommended.

Testing tN2 Wiring

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

It is normal for the thermostat to take up to 20 seconds to power on once connected to

a tN2 system. If the thermostat display does not turn on after 20 seconds, try moving

the thermostat tN2 wire connections to another zone on the tN2 Wiring Center or tN2

Zone Manager. If the thermostat display does not power on, contact your tekmar sales

representative for assistance.

Testing tN4 and Stand Alone Wiring

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

Power

If the thermostat display does not power on, remove the thermostat front and test for

24 V(ac) ±10% between the R and C wiring terminals. If the voltage is incorrect, check

the voltage at the transformer. If the transformer measures 24 V(ac) ±10% between the

R and C, then there may be an open circuit along the wires. If the thermostat display

turns off when powering the heat relay and the load, then the transformer VA capacity

is too small and a larger transfomer is required.

Heat Relay

Push the button and set the temperature below the current room or floor temperature.

There should be no "Heat On" symbol on the display. Measure the voltage on the heating

equipment (wiring center, zone valve or relay). The voltage measure 0 V(ac). Then push

the button and set the temperature above the current room or floor temperature. The

"Heat On" symbol should appear. Make sure that the display does not show "WWSD"

or "Max" which limit the operation of the heat relay. Measure the voltage on the heating

equipment (wiring center, zone valve or relay). The voltage should measure 24 V (ac).

If there is no voltage check to insure that any necessary jumper wires are installed and

check the wires for open or short circuits.

tN4 Communication

The symbol is shown on the display when communication is present. If the thermostat

is connected in a network and the communication is missing, there may be an open or

short circuit on the tN4 and C bus wires.

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Switch

Position

Action

SETBACK

The thermostat follows a programmable setback schedule as

a schedule member if available. Requires the installation of

a Thermostat 552, 553, 554, 557 or a Timer 033 to use this

feature.

OFF OFF

The thermostat does not follow a programmable setback

schedule.

SCENE

The thermostat responds to changes in the scene (systemwide

manual overrides). Requires the installation of a Gateway or

User Switch to use this feature.

OFF OFF

The thermostat does not respond to scenes.

LOCK ACCESS LEVEL

Some Setup menu settings are not visible. Set to Unlock during

installation process.

tekmarNet®reset control must also be set to Unlocked and

Installer access level.

OFF UNLOCK ACCESS LEVEL

All Setup menu settings are available. Set to Lock when

installation completed.

Switch Settings

The switch settings are located on the rear of thermostat face.

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HEAT ON

Heat is turned on.

MODE OFF

The heating system is off.

SUN

Operating at the occupied

(day) temperature.

MOON

Operating at the unoccupied

(night) temperature.

MIN

Flashes when adjusting

temperature and the floor

is at or below the floor

minimum temperature.

WWSD

Warm Weather Shut Down.

WARNING SYMBOL

Indicates an error is present.

SCENE AWAY

Operating at Away

temperature.

tekmarNet®

Communication is present.

MAX

Flashes when adjusting

temperature and the floor

has reached the floor

maximum temperature.

Home Screen

Symbols Description

User Interface

Outdoor

Away

WWSD

MINMAX

Heat On

Off

Mode

Floor

Room

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